subject:(pesticides)

1. Ross, Jennifer Ann. Environmental Health Education in Underserved Hispanic Communities.

Degree: 2013, Texas Digital Library

URL: http://hdl.handle.net/1969; http://hdl.handle.net/2249.1/66865

► The focus of this study was to use environmental health education to improve topic-specific health literacy in two underserved Hispanic communities, Webb County and San… (more)

▼ The focus of this study was to use environmental health education to improve topic-specific health literacy in two underserved Hispanic communities, Webb County and San Antonio. Hispanic communities may have disparities in income, health care, pesticide use, and access to health information when compared to non-Hispanic communities. The education intervention topics, pesticides and nutrition, were topics of relevance to participants in these communities. Promotoras delivered the health education interventions and assessments. Assessments of knowledge, attitudes, and behaviors were given to participants prior to, immediately after, and several months after the health education intervention. These repeated measures assessed change and persistence of change following the message. Paired t-tests, McNemar???s chi square, and Wilcoxon sign rank test were used to assess significance of change in the repeated measures. Between-community differences were assessed with Wilcoxon rank sum tests. One community, San Antonio, was in an urban setting, while the other community in Webb County was functionally rural despite the location near Laredo. The demographics of the participants from the two study communities were very similar in gender, country of origin, education status, employment status of self and spouse, and language. Participants in the two study communities reported similar pests, household pesticide use, continuing pest problems, planned household pesticide use, and past use of illegal pesticides. In Webb County, the mean summed pesticide knowledge pre-test score was 13.68 (98.33% CI: 13.24, 14.13). The summed knowledge scores for the knowledge assessment after the module were 15.92 (98.33% CI: 15.58, 16.25) in Webb County and 15.36 (98.33% CI: 14.90, 15.82) in San Antonio. There were also statistically significant changes in some attitudes and behaviors regarding pesticides in both communities; however, the communities had different baseline attitudes and behaviors. For the nutrition intervention in San Antonio there was an increase of 0.92 (98.33% CI: 0.28, 1.56) points between the pre-test and immediate post-test, an almost 10% increase in the mean participant score following the module. Between the pre-test and three month post-test, there was a 0.54 (98.33%CI: -0.21, 1.28) point increase in mean knowledge score on the three month post-test when compared to the pre-test. The results suggest that pesticide health education can change attitudes and behaviors regarding pesticides. The nutrition module resulted in significant immediate changes in knowledge, but not in the long-term. However, there were long-term changes in some attitudes and behaviors following the nutrition module. Additionally, the Webb County pesticide intervention results suggest that even with linguistically and culturally appropriate promotora driven interventions, evaluation and education modules should be developed taking into account the baseline knowledge, attitudes, and behaviors of the community. Advisors/Committee Members: Cizmas, Leslie H (advisor).

Subjects/Keywords: pesticides

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APA (6^th Edition):

Ross, J. A. (2013). Environmental Health Education in Underserved Hispanic Communities. (Thesis). Texas Digital Library. Retrieved from http://hdl.handle.net/1969; http://hdl.handle.net/2249.1/66865

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Ross, Jennifer Ann. “Environmental Health Education in Underserved Hispanic Communities.” 2013. Thesis, Texas Digital Library. Accessed March 01, 2021. http://hdl.handle.net/1969; http://hdl.handle.net/2249.1/66865.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Ross, Jennifer Ann. “Environmental Health Education in Underserved Hispanic Communities.” 2013. Web. 01 Mar 2021.

Vancouver:

Ross JA. Environmental Health Education in Underserved Hispanic Communities. [Internet] [Thesis]. Texas Digital Library; 2013. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/1969; http://hdl.handle.net/2249.1/66865.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Ross JA. Environmental Health Education in Underserved Hispanic Communities. [Thesis]. Texas Digital Library; 2013. Available from: http://hdl.handle.net/1969; http://hdl.handle.net/2249.1/66865

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Tasmania

2. Dyson, David Hartnett. Disposal of waste pesticides and pesticide containers by Tasmanian farmers.

Degree: 1982, University of Tasmania

URL: https://eprints.utas.edu.au/19965/1/whole_DysonDavidHartnett1982_thesis.pdf

► The subject is introduced with short reviews of the effects of pesticides in the environment, and of the fate of pesticides in the environment. A… (more)

Subjects/Keywords: Pesticides; Pesticides

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APA (6^th Edition):

Dyson, D. H. (1982). Disposal of waste pesticides and pesticide containers by Tasmanian farmers. (Thesis). University of Tasmania. Retrieved from https://eprints.utas.edu.au/19965/1/whole_DysonDavidHartnett1982_thesis.pdf

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Dyson, David Hartnett. “Disposal of waste pesticides and pesticide containers by Tasmanian farmers.” 1982. Thesis, University of Tasmania. Accessed March 01, 2021. https://eprints.utas.edu.au/19965/1/whole_DysonDavidHartnett1982_thesis.pdf.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Dyson, David Hartnett. “Disposal of waste pesticides and pesticide containers by Tasmanian farmers.” 1982. Web. 01 Mar 2021.

Vancouver:

Dyson DH. Disposal of waste pesticides and pesticide containers by Tasmanian farmers. [Internet] [Thesis]. University of Tasmania; 1982. [cited 2021 Mar 01]. Available from: https://eprints.utas.edu.au/19965/1/whole_DysonDavidHartnett1982_thesis.pdf.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Dyson DH. Disposal of waste pesticides and pesticide containers by Tasmanian farmers. [Thesis]. University of Tasmania; 1982. Available from: https://eprints.utas.edu.au/19965/1/whole_DysonDavidHartnett1982_thesis.pdf

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Oregon State University

3. Jernstedt, Maurice Luther. Economic aspects of chemical application by custom operators in Oregon.

Degree: MS, Agricultural Economics, 1957, Oregon State University

URL: http://hdl.handle.net/1957/20305

Subjects/Keywords: Pesticides

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APA (6^th Edition):

Jernstedt, M. L. (1957). Economic aspects of chemical application by custom operators in Oregon. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/20305

Chicago Manual of Style (16^th Edition):

Jernstedt, Maurice Luther. “Economic aspects of chemical application by custom operators in Oregon.” 1957. Masters Thesis, Oregon State University. Accessed March 01, 2021. http://hdl.handle.net/1957/20305.

MLA Handbook (7^th Edition):

Jernstedt, Maurice Luther. “Economic aspects of chemical application by custom operators in Oregon.” 1957. Web. 01 Mar 2021.

Vancouver:

Jernstedt ML. Economic aspects of chemical application by custom operators in Oregon. [Internet] [Masters thesis]. Oregon State University; 1957. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/1957/20305.

Council of Science Editors:

Jernstedt ML. Economic aspects of chemical application by custom operators in Oregon. [Masters Thesis]. Oregon State University; 1957. Available from: http://hdl.handle.net/1957/20305

4. Kokkinaki, Aikaterini. Επιδημιολογική διερεύνηση περιβαλλοντικής υποβάθμισης και επιπτώσεις στην ανθρώπινη υγεία από τη χρόνια και εντατική χρήση φυτοφαρμάκων.

Degree: 2019, University of Crete (UOC); Πανεπιστήμιο Κρήτης

URL: http://hdl.handle.net/10442/hedi/45244

► The present study was designed to investigate the degree of environmental deterioration through the detection of pesticides residues in agricultural products and biological samples (human… (more)

▼ The present study was designed to investigate the degree of environmental deterioration through the detection of pesticides residues in agricultural products and biological samples (human hair and urine), in order to explain the negative effects on human health by chronic and widespread use of pesticides in the primary agricultural sector, especially in the area of Ierapetra. The increase in health problems and in particular the increasing trend in several types of cancer in the region and in other European countries that follow intensive agricultural practices show an urgent need to investigate the deterioration in public health.This study tries to answers questions such as: the degree of contamination of human population affected by the chronic and intensive use of pesticides (by detecting organophosphate metabolites in biological samples, hair and urine) and the consumption of agricultural products (by detecting common pesticides used in agriculture). Also, the possible correlation between the detected levels in biological samples of hair and urine was examined.The main steps of this thesis was a)the detection of non-specific metabolites of organophosphorus pesticides in hair and urine samples of rural and professionally exposed population of Crete and b) the investigation of residual levels of pesticides in fresh agricultural products. The results were analyzed and a total assessment of the hazard exposure, on the population of Crete and especially in the area of Ierapetra, was estimated. The detection of pesticides in agricultural products was focused mainly on plant protection substances that are widely used in the area.For the implementation of this study, hair and urine samples of sprayers and residents of Ierapetra were collected. The sprayers involved in this study were employed in greenhouse cultivations but they also involved themselves in sprays throughout the year (n=34). The residents of the area of Ierapetra were people who lived in the area, but not involved in agricultural activities (n=86). Because of the high rate of organophosphates pesticides in the area of Ierapetra, the samples that were collected, were analyzed by the technique of gas chromatography – mass spectrometry for the detection of non-specific metabolites of organophosphates (dialkylofosfines, dialkylphosphates DAPs). For the isolation of analytes from biological samples of hair, the technique of solid-liquid extraction with methanol in an ultrasonic bath was followed, while for the isolation of analytes from biological samples of urine the technique of liquid-liquid extraction with a mixture of diethylether:acetonitrile was followed. The combined organic solvent from each sample was collected and evaporated to dryness under a nitrogen blander after added 15mg K2CO3. The resulting precipitate was followed by the derivatization procedure with 2, 3,4,5,6 pentafluorobenzyl bromide (PFBBr). To control methods for both hair and urine samples various analytical parameters were calculated and found satisfactory. Differences were observed…

Subjects/Keywords: Φυτοφάρμακα; Pesticides

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APA (6^th Edition):

Kokkinaki, A. (2019). Επιδημιολογική διερεύνηση περιβαλλοντικής υποβάθμισης και επιπτώσεις στην ανθρώπινη υγεία από τη χρόνια και εντατική χρήση φυτοφαρμάκων. (Thesis). University of Crete (UOC); Πανεπιστήμιο Κρήτης. Retrieved from http://hdl.handle.net/10442/hedi/45244

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Kokkinaki, Aikaterini. “Επιδημιολογική διερεύνηση περιβαλλοντικής υποβάθμισης και επιπτώσεις στην ανθρώπινη υγεία από τη χρόνια και εντατική χρήση φυτοφαρμάκων.” 2019. Thesis, University of Crete (UOC); Πανεπιστήμιο Κρήτης. Accessed March 01, 2021. http://hdl.handle.net/10442/hedi/45244.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Kokkinaki, Aikaterini. “Επιδημιολογική διερεύνηση περιβαλλοντικής υποβάθμισης και επιπτώσεις στην ανθρώπινη υγεία από τη χρόνια και εντατική χρήση φυτοφαρμάκων.” 2019. Web. 01 Mar 2021.

Vancouver:

Kokkinaki A. Επιδημιολογική διερεύνηση περιβαλλοντικής υποβάθμισης και επιπτώσεις στην ανθρώπινη υγεία από τη χρόνια και εντατική χρήση φυτοφαρμάκων. [Internet] [Thesis]. University of Crete (UOC); Πανεπιστήμιο Κρήτης; 2019. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/10442/hedi/45244.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Kokkinaki A. Επιδημιολογική διερεύνηση περιβαλλοντικής υποβάθμισης και επιπτώσεις στην ανθρώπινη υγεία από τη χρόνια και εντατική χρήση φυτοφαρμάκων. [Thesis]. University of Crete (UOC); Πανεπιστήμιο Κρήτης; 2019. Available from: http://hdl.handle.net/10442/hedi/45244

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Oregon State University

5. Hartman, Margaret Jane, 1943-. The effects of four anticholinesterase compounds on the embryology of Acheta domesticus (L.) (Orthoptera: Gryllidae).

Degree: PhD, Entomology, 1970, Oregon State University

URL: http://hdl.handle.net/1957/45470

► Two organophosphates (Ruelene and Tiguvon) and two carbamates (Sevin and Baygon) were administered topically at various sublethal concentrations to cricket eggs. All the pesticides caused… (more)

Subjects/Keywords: Pesticides

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APA (6^th Edition):

Hartman, Margaret Jane, 1. (1970). The effects of four anticholinesterase compounds on the embryology of Acheta domesticus (L.) (Orthoptera: Gryllidae). (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/45470

Chicago Manual of Style (16^th Edition):

Hartman, Margaret Jane, 1943-. “The effects of four anticholinesterase compounds on the embryology of Acheta domesticus (L.) (Orthoptera: Gryllidae).” 1970. Doctoral Dissertation, Oregon State University. Accessed March 01, 2021. http://hdl.handle.net/1957/45470.

MLA Handbook (7^th Edition):

Hartman, Margaret Jane, 1943-. “The effects of four anticholinesterase compounds on the embryology of Acheta domesticus (L.) (Orthoptera: Gryllidae).” 1970. Web. 01 Mar 2021.

Vancouver:

Hartman, Margaret Jane 1. The effects of four anticholinesterase compounds on the embryology of Acheta domesticus (L.) (Orthoptera: Gryllidae). [Internet] [Doctoral dissertation]. Oregon State University; 1970. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/1957/45470.

Council of Science Editors:

Hartman, Margaret Jane 1. The effects of four anticholinesterase compounds on the embryology of Acheta domesticus (L.) (Orthoptera: Gryllidae). [Doctoral Dissertation]. Oregon State University; 1970. Available from: http://hdl.handle.net/1957/45470

Oregon State University

6. Henny, Charles J. An analysis of the population dynamics of selected avian species.

Degree: PhD, Wildlife Ecology, 1970, Oregon State University

URL: http://hdl.handle.net/1957/17890

► The impact that pesticides may have had on the mortality rates and productivity rates of non-game birds during the last 25 years was evaluated by… (more)

▼ The impact that pesticides may have had on the mortality rates and productivity rates of non-game birds during the last 25 years was evaluated by studying the population dynamics of 16 species. A mathematical model showing the relationships between population parameters that yielded stable populations was developed. The information needed for the model included: (1) mortality rate schedule (obtained from recoveries of banded birds), (2) productivity rates, and (3) the age of sexual maturity. Production requirements for a stable population and annual rate of change (increase or decrease) in population levels were estimated. Population parameters were compared to determine if changes had occurred between time periods (i.e, 1925-1945 vs. 1946-1965). The great horned owl, red-shouldered hawk, sparrow hawk, osprey, barn owl, Cooper's hawk, red-tailed hawk, great blue heron, black-crowned night heron, brown pelican, barn owl, chimney swift, blue jay, black-capped chickadee, cardinal, and robin were subjected to this analysis. No increase in post-fledging mortality rates in any of the species has occurred since 1945. Therefore, accelerated decline in the species studied must have resulted from lowered reproductive rates. Mortality rates have decreased in the Cooper's hawk, sparrow hawk, great blue heron, and brown pelican. A decrease in shooting pressure was associated with decreased mortality rates. Evidence of declining reproductive rates were found in the brown pelican, osprey, Cooper's hawk, red-shouldered hawk, and sparrow hawk. No changes in reproductive rates were noted in the red-tailed hawk, great horned owl, or barn owl. Information on productivity rates was not available for comparison with the other species although rates of productivity essential for a stable population were estimated. This work will provide the basis for making comparisons in future studies. No change in reproductive rates was apparent among species feeding primarily on mammals. Species exhibiting a lowered reproductive success since 1945 were those whose major food items consisted of fish, reptiles, amphibians, or birds. Lowered reproductive success was accompanied by a decrease in eggshell thickness. Other investigators have reported that sparrow hawks and mallard ducks fed a diet of DDE and dieldrin have produced thin eggshells under laboratory conditions, and exhibited a lower reproductive success. Many bird species which consume food in which chlorinated hydrocarbon pesticides have been concentrated through a series of transfers along food chains have declined. The chlorinated hydrocarbon pesticides are believed responsible. Advisors/Committee Members: Wight, Howard M. (advisor).

Subjects/Keywords: Pesticides

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APA (6^th Edition):

Henny, C. J. (1970). An analysis of the population dynamics of selected avian species. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/17890

Chicago Manual of Style (16^th Edition):

Henny, Charles J. “An analysis of the population dynamics of selected avian species.” 1970. Doctoral Dissertation, Oregon State University. Accessed March 01, 2021. http://hdl.handle.net/1957/17890.

MLA Handbook (7^th Edition):

Henny, Charles J. “An analysis of the population dynamics of selected avian species.” 1970. Web. 01 Mar 2021.

Vancouver:

Henny CJ. An analysis of the population dynamics of selected avian species. [Internet] [Doctoral dissertation]. Oregon State University; 1970. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/1957/17890.

Council of Science Editors:

Henny CJ. An analysis of the population dynamics of selected avian species. [Doctoral Dissertation]. Oregon State University; 1970. Available from: http://hdl.handle.net/1957/17890

Michigan State University

7. Jackman, John Alfred, 1948-. Agricultural and household pesticide use in southwestern Michigan from 1965 through 1967.

Degree: MS, Dept. of Entomology, 1973, Michigan State University

URL: http://etd.lib.msu.edu/islandora/object/etd:14576

Subjects/Keywords: Pesticides

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APA (6^th Edition):

Jackman, John Alfred, 1. (1973). Agricultural and household pesticide use in southwestern Michigan from 1965 through 1967. (Masters Thesis). Michigan State University. Retrieved from http://etd.lib.msu.edu/islandora/object/etd:14576

Chicago Manual of Style (16^th Edition):

Jackman, John Alfred, 1948-. “Agricultural and household pesticide use in southwestern Michigan from 1965 through 1967.” 1973. Masters Thesis, Michigan State University. Accessed March 01, 2021. http://etd.lib.msu.edu/islandora/object/etd:14576.

MLA Handbook (7^th Edition):

Jackman, John Alfred, 1948-. “Agricultural and household pesticide use in southwestern Michigan from 1965 through 1967.” 1973. Web. 01 Mar 2021.

Vancouver:

Jackman, John Alfred 1. Agricultural and household pesticide use in southwestern Michigan from 1965 through 1967. [Internet] [Masters thesis]. Michigan State University; 1973. [cited 2021 Mar 01]. Available from: http://etd.lib.msu.edu/islandora/object/etd:14576.

Council of Science Editors:

Jackman, John Alfred 1. Agricultural and household pesticide use in southwestern Michigan from 1965 through 1967. [Masters Thesis]. Michigan State University; 1973. Available from: http://etd.lib.msu.edu/islandora/object/etd:14576

Rutgers University

8. Zhang, Han, 1990-. Optimization of encapsulation methods and conditions to maximize 1-MCP loading in modified beta-cyclodextrins.

Degree: MS, Food Science, 2016, Rutgers University

URL: https://rucore.libraries.rutgers.edu/rutgers-lib/49354/

► 1-methylcyclopropene (1-MCP) is a gas compound which can inhibit ethylene response in climacteric fruits. It is used to delay the ripening process and so to… (more)

▼ 1-methylcyclopropene (1-MCP) is a gas compound which can inhibit ethylene response in climacteric fruits. It is used to delay the ripening process and so to extend the shelf life of fresh produce. However, 1-MCP requires certain storage technology because it is highly unstable and flammable. Current storage technology is to use carrier systems such as α-cyclodextrin to encapsulate 1-MCP and thus protect and stabilize it. In the industry, high level of 1-MCP loading in carrier system is highly preferred to minimize the cost and maximize the efficiency. Therefore, encapsulation methods and conditions are critical for 1-MCP application as they determine the loading level of 1-MCP in the carrier system. The objective of this research is to identify optimum method and conditions to encapsulate 1-MCP into a newly-developed carrier system, modified β-cyclodextrin (MβCD), to maximize the loading of 1-MCP. In this research, two encapsulation methods (solution method and solid method) and five condition factors (pH, MβCD concentration, temperature, 1-MCP concentration and encapsulation duration) were investigated to identify dominant factors for each method. 1-MCP concentration and encapsulation duration were found to be two dominant factors for both methods. Response Surface Methodology (RSM) was then used to optimize those two factors to identify optimum condition with maximum 1-MCP loading. Given by RSM, optimum condition of solution method was identified at (1.33X105 ppm, 21.2 hours) with maximum loading of 0.320% while optimum condition of solid method was at (1.39x105 ppm, 12.25 hours) with maximum loading of 0.529%. After testing the actual loading at optimum condition of the two methods, results showed 0.317% loading in solution method and 0.535% loading in solid method, which were -0.937% (solution method) and +1.13% (solid method) off to predicted values given by RSM respectively, confirming found optimum condition was valid. In conclusion, solid encapsulation method gives maximum 1-MCP loading of 0.535% in MβCD at the condition of (12.25 hours, 1.39X105 ppm). The result proves the effectiveness of the chemical modification of β-CD and provides further understanding of different encapsulation mechanisms followed by those two methods. Advisors/Committee Members: Yam, Kit (chair), LIU, LINSHU (internal member), Mir, Nazir (internal member).

Subjects/Keywords: Pesticides; Ethylene

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APA (6^th Edition):

Zhang, Han, 1. (2016). Optimization of encapsulation methods and conditions to maximize 1-MCP loading in modified beta-cyclodextrins. (Masters Thesis). Rutgers University. Retrieved from https://rucore.libraries.rutgers.edu/rutgers-lib/49354/

Chicago Manual of Style (16^th Edition):

Zhang, Han, 1990-. “Optimization of encapsulation methods and conditions to maximize 1-MCP loading in modified beta-cyclodextrins.” 2016. Masters Thesis, Rutgers University. Accessed March 01, 2021. https://rucore.libraries.rutgers.edu/rutgers-lib/49354/.

MLA Handbook (7^th Edition):

Zhang, Han, 1990-. “Optimization of encapsulation methods and conditions to maximize 1-MCP loading in modified beta-cyclodextrins.” 2016. Web. 01 Mar 2021.

Vancouver:

Zhang, Han 1. Optimization of encapsulation methods and conditions to maximize 1-MCP loading in modified beta-cyclodextrins. [Internet] [Masters thesis]. Rutgers University; 2016. [cited 2021 Mar 01]. Available from: https://rucore.libraries.rutgers.edu/rutgers-lib/49354/.

Council of Science Editors:

Zhang, Han 1. Optimization of encapsulation methods and conditions to maximize 1-MCP loading in modified beta-cyclodextrins. [Masters Thesis]. Rutgers University; 2016. Available from: https://rucore.libraries.rutgers.edu/rutgers-lib/49354/

9. Bouya, Houceine. Dégradation par voie électrochimique de nitro-benzaldehyde et cyperméthrine et étude cinétique d’oxydation atmosphérique du bupirimate et nitrobenzaldehyde : Electrochemical degradation of nitro-benzaldehyde and cypermethrin and kinetics study of atmospheric oxidation of bupirimate and nitrobenzaldehyde.

Degree: Docteur es, Sciences - STS, 2015, Reims; Université Ibn Zohr Agadir, École Nationale des Sciences Appliquées d'Agadir

URL: http://www.theses.fr/2015REIMS018

►

Cette thèse porte sur l’étude des composés organiques semi-volatils, notamment les pesticides et les composés nitro-aromatiques dans les deux compartiments l’eau et l’atmosphère. La première… (more)

▼

Cette thèse porte sur l’étude des composés organiques semi-volatils, notamment les pesticides et les composés nitro-aromatiques dans les deux compartiments l’eau et l’atmosphère. La première partie de ce travail concerne l'optimisation des différents paramètres expérimentaux (concentration initiale des composés, concentration de l’électrolyte support, température et la densité de courant imposé) de la dégradation de la cypermethrine et du 2-Nitrobenzaldehyde (2-NBA) par oxydation direct moyennant les électrodes de l'oxyde d'étain (SnO2) et le diamant dopé au bore (DDB). Cette dégradation a été suivie par les analyses de la demande chimique en oxygène (DCO) et la chromatographie en phase gazeuse. Les résultats obtenus montrent que le taux de minéralisation dépasse 80 % pour le cypermethrine en utilisant le DDB. La deuxième partie est consacrée à l'étude de la réactivité du bupirimate vis-à-vis de l’ozone et les radicaux OH• en phase hétérogène. Les résultats obtenus montrent que les valeurs de la constante cinétique pour la réaction du bupirimate avec les radicaux OH• et l’ozone sont respectivement de l’ordre de 1,06 x 10-12 et 5,4 x 10-20 (cm3 molecule-1 s-1). La durée de vie du bupirimate est de plusieurs mois par rapport à l'ozone et de quelques jours par rapport aux radicaux OH•. Les spectres UV et la réactivité homogène vis-à-vis des radicaux OH• du 2-Nitrobenzaldehyde (2-NBA) a été déterminé en phase gazeuse. Les études cinétiques ont été réalisées dans une chambre atmosphérique couplée à un spectromètre IR. Les résultats obtenus montrent que le 2-NBA est sensibles à la photolyse dans l’atmosphère et que sa réactivité vis-à-vis des radicaux OH• est non négligeable. En effet, la durée de vie atmosphérique de ce composé est relativement courte. Elle varie de quelques minutes à quelques heures. Le 2-NBA est donc non persistant dans l’atmosphère.

This thesis focused on the study of semi-volatile organic compounds (SVOC), including pesticides and nitro-aromatics compounds in the two compartments, water and atmosphere. The first part of this work concerns the optimization of the different experimental parameters in order to mineralize two compounds (cypermethrin and of 2-Nitrobenzaldehyd), those parameters are initial concentration of compounds, concentration of the electrolyte support, temperature and the density of the current imposed. This mineralization has been done by a direct oxidation through the electrodes of the tin oxide (SnO2) and Boron Doped Diamond (BDD). The degradation process has been followed by the DCO analyzes and the gas chromatography. It has been shown that the rate of mineralization exceeds 80 % for the cypermethrine compound using BDD electrode. The second part is devoted to study the reactivity of bupirimate in heterogeneous phase using ozone and OH radicals as oxidant. The obtained results show that the rate constant values of the analyte are (1,06 ± 0,87) x 10-12 and (5,4 ± 0,3) x 10-20 (cm3 molecule-1 s-1) relative to heterogeneous OH-oxidation and O3, respectively. Such values…

Advisors/Committee Members: Chakir, Abdelkhaleq (thesis director).

Subjects/Keywords: Pesticides; Electrochimie; Atmosphère; Pesticides; Electrochemistry; Atmosphere

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APA (6^th Edition):

Bouya, H. (2015). Dégradation par voie électrochimique de nitro-benzaldehyde et cyperméthrine et étude cinétique d’oxydation atmosphérique du bupirimate et nitrobenzaldehyde : Electrochemical degradation of nitro-benzaldehyde and cypermethrin and kinetics study of atmospheric oxidation of bupirimate and nitrobenzaldehyde. (Doctoral Dissertation). Reims; Université Ibn Zohr Agadir, École Nationale des Sciences Appliquées d'Agadir. Retrieved from http://www.theses.fr/2015REIMS018

Chicago Manual of Style (16^th Edition):

Bouya, Houceine. “Dégradation par voie électrochimique de nitro-benzaldehyde et cyperméthrine et étude cinétique d’oxydation atmosphérique du bupirimate et nitrobenzaldehyde : Electrochemical degradation of nitro-benzaldehyde and cypermethrin and kinetics study of atmospheric oxidation of bupirimate and nitrobenzaldehyde.” 2015. Doctoral Dissertation, Reims; Université Ibn Zohr Agadir, École Nationale des Sciences Appliquées d'Agadir. Accessed March 01, 2021. http://www.theses.fr/2015REIMS018.

MLA Handbook (7^th Edition):

Bouya, Houceine. “Dégradation par voie électrochimique de nitro-benzaldehyde et cyperméthrine et étude cinétique d’oxydation atmosphérique du bupirimate et nitrobenzaldehyde : Electrochemical degradation of nitro-benzaldehyde and cypermethrin and kinetics study of atmospheric oxidation of bupirimate and nitrobenzaldehyde.” 2015. Web. 01 Mar 2021.

Vancouver:

Bouya H. Dégradation par voie électrochimique de nitro-benzaldehyde et cyperméthrine et étude cinétique d’oxydation atmosphérique du bupirimate et nitrobenzaldehyde : Electrochemical degradation of nitro-benzaldehyde and cypermethrin and kinetics study of atmospheric oxidation of bupirimate and nitrobenzaldehyde. [Internet] [Doctoral dissertation]. Reims; Université Ibn Zohr Agadir, École Nationale des Sciences Appliquées d'Agadir; 2015. [cited 2021 Mar 01]. Available from: http://www.theses.fr/2015REIMS018.

Council of Science Editors:

Bouya H. Dégradation par voie électrochimique de nitro-benzaldehyde et cyperméthrine et étude cinétique d’oxydation atmosphérique du bupirimate et nitrobenzaldehyde : Electrochemical degradation of nitro-benzaldehyde and cypermethrin and kinetics study of atmospheric oxidation of bupirimate and nitrobenzaldehyde. [Doctoral Dissertation]. Reims; Université Ibn Zohr Agadir, École Nationale des Sciences Appliquées d'Agadir; 2015. Available from: http://www.theses.fr/2015REIMS018

The Ohio State University

10. Lohner, Timothy W. Effects of pH, temperature, and sediment on the aquatic fate and toxicity of selected pesticides.

Degree: PhD, Graduate School, 1987, The Ohio State University

URL: http://rave.ohiolink.edu/etdc/view?acc_num=osu1487332636474975

Subjects/Keywords: Education; Pesticides; Pesticides

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APA (6^th Edition):

Lohner, T. W. (1987). Effects of pH, temperature, and sediment on the aquatic fate and toxicity of selected pesticides. (Doctoral Dissertation). The Ohio State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=osu1487332636474975

Chicago Manual of Style (16^th Edition):

Lohner, Timothy W. “Effects of pH, temperature, and sediment on the aquatic fate and toxicity of selected pesticides.” 1987. Doctoral Dissertation, The Ohio State University. Accessed March 01, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487332636474975.

MLA Handbook (7^th Edition):

Lohner, Timothy W. “Effects of pH, temperature, and sediment on the aquatic fate and toxicity of selected pesticides.” 1987. Web. 01 Mar 2021.

Vancouver:

Lohner TW. Effects of pH, temperature, and sediment on the aquatic fate and toxicity of selected pesticides. [Internet] [Doctoral dissertation]. The Ohio State University; 1987. [cited 2021 Mar 01]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1487332636474975.

Council of Science Editors:

Lohner TW. Effects of pH, temperature, and sediment on the aquatic fate and toxicity of selected pesticides. [Doctoral Dissertation]. The Ohio State University; 1987. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1487332636474975

University of Zambia

11. Inambao, Pauline Manayiwa Tanaye. Levels of Chlorine and phosphorus containing pesticide residues on selected vegetables in Zambia .

Degree: 2011, University of Zambia

URL: http://hdl.handle.net/123456789/272

► Tomatoes and cabbage samples were analysed for chlorpyrifos and monocrotophos residues by Gas Chromatography (^GC) vntYv electron capture detector. One field o? tomatoes and cabbage… (more)

Subjects/Keywords: Chlorine; Pesticides; Phosphorus

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APA (6^th Edition):

Inambao, P. M. T. (2011). Levels of Chlorine and phosphorus containing pesticide residues on selected vegetables in Zambia . (Thesis). University of Zambia. Retrieved from http://hdl.handle.net/123456789/272

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Inambao, Pauline Manayiwa Tanaye. “Levels of Chlorine and phosphorus containing pesticide residues on selected vegetables in Zambia .” 2011. Thesis, University of Zambia. Accessed March 01, 2021. http://hdl.handle.net/123456789/272.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Inambao, Pauline Manayiwa Tanaye. “Levels of Chlorine and phosphorus containing pesticide residues on selected vegetables in Zambia .” 2011. Web. 01 Mar 2021.

Vancouver:

Inambao PMT. Levels of Chlorine and phosphorus containing pesticide residues on selected vegetables in Zambia . [Internet] [Thesis]. University of Zambia; 2011. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/123456789/272.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Inambao PMT. Levels of Chlorine and phosphorus containing pesticide residues on selected vegetables in Zambia . [Thesis]. University of Zambia; 2011. Available from: http://hdl.handle.net/123456789/272

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Louisiana State University

12. Marsh, Brendan Michael. Pesticide Partitioning In Louisiana Wetland Aand Ricefield Sediment.

Degree: MS, Environmental Sciences, 2016, Louisiana State University

URL: etd-11072016-130626 ; https://digitalcommons.lsu.edu/gradschool_theses/4478

► Pesticides are used globally and are often found within bodies of water. The EPA investigates the potential environmental impact through computer modeling in order to… (more)

Subjects/Keywords: sediment; partitioning; pesticides

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APA (6^th Edition):

Marsh, B. M. (2016). Pesticide Partitioning In Louisiana Wetland Aand Ricefield Sediment. (Masters Thesis). Louisiana State University. Retrieved from etd-11072016-130626 ; https://digitalcommons.lsu.edu/gradschool_theses/4478

Chicago Manual of Style (16^th Edition):

Marsh, Brendan Michael. “Pesticide Partitioning In Louisiana Wetland Aand Ricefield Sediment.” 2016. Masters Thesis, Louisiana State University. Accessed March 01, 2021. etd-11072016-130626 ; https://digitalcommons.lsu.edu/gradschool_theses/4478.

MLA Handbook (7^th Edition):

Marsh, Brendan Michael. “Pesticide Partitioning In Louisiana Wetland Aand Ricefield Sediment.” 2016. Web. 01 Mar 2021.

Vancouver:

Marsh BM. Pesticide Partitioning In Louisiana Wetland Aand Ricefield Sediment. [Internet] [Masters thesis]. Louisiana State University; 2016. [cited 2021 Mar 01]. Available from: etd-11072016-130626 ; https://digitalcommons.lsu.edu/gradschool_theses/4478.

Council of Science Editors:

Marsh BM. Pesticide Partitioning In Louisiana Wetland Aand Ricefield Sediment. [Masters Thesis]. Louisiana State University; 2016. Available from: etd-11072016-130626 ; https://digitalcommons.lsu.edu/gradschool_theses/4478

Rutgers University

13. Louis, Lydia M., 1981-. A prospective study of cancer risk among the agricultural health study farm spouses associated with personal use of organochlorine insecticides.

Degree: MS, Toxicology, 2017, Rutgers University

URL: https://rucore.libraries.rutgers.edu/rutgers-lib/55575/

► BACKGROUND: Organochlorine insecticides (OCs) have historically been used worldwide to control insects, although most have now been banned in developed countries. Evidence for an association… (more)

▼ BACKGROUND: Organochlorine insecticides (OCs) have historically been used worldwide to control insects, although most have now been banned in developed countries. Evidence for an association between OC exposures and cancer predominantly comes from occupational and population based-studies among men. We evaluated the association between the use of specific OCs and cancer among the female spouses of pesticide applicators in the Agricultural Health Study. METHODS: At enrollment (1993–1997), spouses of private applicators in the cohort provided information about their own personal use of pesticides, including seven OCs (aldrin, chlordane, dieldrin, DDT, heptachlor, lindane, and toxaphene), and information on potential confounders. We used Poisson regression to estimate relative risks (RRs) and 95% confidence intervals (CIs) for cancers (n≥3 exposed cancer cases) reported to state cancer registries from enrollment through 2012 (North Carolina) and 2013 (Iowa), and the self-reported personal use OCs. RESULTS: Among 28,909 female spouses, 2,191 (7.58%) reported ever use of at least one OC, of whom 287 were diagnosed with cancer. Most cancers were not associated with OC use. Risk of glioma was increased among users of at least one OC (Nexposed=11, RR=3.52, 95%CI 1.72-7.21) and specifically among lindane users (Nexposed=3, RR=4.45, 95%CI 1.36-14.55). Multiple myeloma was associated with chlordane (Nexposed=6, RR=2.71, 95%CI 1.12-6.55). Based on 3 exposed cases each, there were also positive associations between pancreatic cancer and lindane, and ER-PR- breast cancer and dieldrin. No other associations with breast cancer were found. CONCLUSIONS: Overall, there were some associations with OC use and cancer incidence, however we were limited by the small number of exposed cancer cases. Future research should attempt to expand on these findings by assessing environmental sources of OC exposures, to fully evaluate the role of OC exposures on cancer risk in women. Advisors/Committee Members: Robson, Mark (chair), Buckley, Brian (internal member), Gochfeld, Michael (internal member), School of Graduate Studies.

Subjects/Keywords: Organochlorine compounds; Pesticides

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APA (6^th Edition):

Louis, Lydia M., 1. (2017). A prospective study of cancer risk among the agricultural health study farm spouses associated with personal use of organochlorine insecticides. (Masters Thesis). Rutgers University. Retrieved from https://rucore.libraries.rutgers.edu/rutgers-lib/55575/

Chicago Manual of Style (16^th Edition):

Louis, Lydia M., 1981-. “A prospective study of cancer risk among the agricultural health study farm spouses associated with personal use of organochlorine insecticides.” 2017. Masters Thesis, Rutgers University. Accessed March 01, 2021. https://rucore.libraries.rutgers.edu/rutgers-lib/55575/.

MLA Handbook (7^th Edition):

Louis, Lydia M., 1981-. “A prospective study of cancer risk among the agricultural health study farm spouses associated with personal use of organochlorine insecticides.” 2017. Web. 01 Mar 2021.

Vancouver:

Louis, Lydia M. 1. A prospective study of cancer risk among the agricultural health study farm spouses associated with personal use of organochlorine insecticides. [Internet] [Masters thesis]. Rutgers University; 2017. [cited 2021 Mar 01]. Available from: https://rucore.libraries.rutgers.edu/rutgers-lib/55575/.

Council of Science Editors:

Louis, Lydia M. 1. A prospective study of cancer risk among the agricultural health study farm spouses associated with personal use of organochlorine insecticides. [Masters Thesis]. Rutgers University; 2017. Available from: https://rucore.libraries.rutgers.edu/rutgers-lib/55575/

University of Aberdeen

14. Yusof, Muhammad Zubir. Mosquito control workers in Malaysia : is lifetime pesticide exposure associated with health impacts?.

Degree: PhD, 2016, University of Aberdeen

URL: https://abdn.alma.exlibrisgroup.com/view/delivery/44ABE_INST/12152477120005941 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.698849

► Use of pesticides has been linked to health effects among exposed workers. Organophosphate and pyrethroid pesticides are commonly used to control mosquito-borne diseases in Malaysia.… (more)

▼ Use of pesticides has been linked to health effects among exposed workers. Organophosphate and pyrethroid pesticides are commonly used to control mosquito-borne diseases in Malaysia. This project aimed to estimate workers' lifetime exposure to pesticides and to examine the relationship between that exposure and health-related quality of life and neurobehavioural performances. A total of 158 workers who had regular contact with pesticides and 176 officebased workers were recruited to the study. Information on past exposure was collected through questionnaire and occupational history interview to help reconstruct workers' historical exposures. Personal inhalation and dermal exposure measurement were carried out to evaluate current pesticide exposure. Subjective inhalation and dermal models were used to allow the estimation of combined pesticide intake for each worker. Neurobehavioural performance was assessed using CANTAB® computerized tests. Total lifetime pesticides intake for exposed workers ranged from 0.006 g to 12,800 g (median (IQR) = 379 g (131, 794)). Estimated dermal exposure accounted for the majority of total lifetime intake of pesticides (median (IQR) = 369 g (128, 772)). After adjusting for age, education, smoking and BMI, exposure to pesticides was associated with lower physical health scores. All of the neurobehavioural performance test scores, with the exception of Reaction Time (RT) and Pattern Recognition Memory (PRM) tests, showed significant differences in relation to total lifetime pesticides intake after adjusting for age, education and smoking. The majority of pesticide-exposed workers indicated a positive awareness about pesticide risk. However, this awareness was not reflected to their selfprotective behaviours such as wearing PPE. Findings from this study suggest that lifetime pesticide intake is associated with physical health and cognitive impairment. It is not clear if this association is causal. Occupational hygiene control measures should focus on reducing the amount of pesticides workers get on their skin due to the high percentage of total intake arising from dermal exposure.

Subjects/Keywords: 614.4; Pesticides; Mosquitoes

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APA (6^th Edition):

Yusof, M. Z. (2016). Mosquito control workers in Malaysia : is lifetime pesticide exposure associated with health impacts?. (Doctoral Dissertation). University of Aberdeen. Retrieved from https://abdn.alma.exlibrisgroup.com/view/delivery/44ABE_INST/12152477120005941 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.698849

Chicago Manual of Style (16^th Edition):

Yusof, Muhammad Zubir. “Mosquito control workers in Malaysia : is lifetime pesticide exposure associated with health impacts?.” 2016. Doctoral Dissertation, University of Aberdeen. Accessed March 01, 2021. https://abdn.alma.exlibrisgroup.com/view/delivery/44ABE_INST/12152477120005941 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.698849.

MLA Handbook (7^th Edition):

Yusof, Muhammad Zubir. “Mosquito control workers in Malaysia : is lifetime pesticide exposure associated with health impacts?.” 2016. Web. 01 Mar 2021.

Vancouver:

Yusof MZ. Mosquito control workers in Malaysia : is lifetime pesticide exposure associated with health impacts?. [Internet] [Doctoral dissertation]. University of Aberdeen; 2016. [cited 2021 Mar 01]. Available from: https://abdn.alma.exlibrisgroup.com/view/delivery/44ABE_INST/12152477120005941 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.698849.

Council of Science Editors:

Yusof MZ. Mosquito control workers in Malaysia : is lifetime pesticide exposure associated with health impacts?. [Doctoral Dissertation]. University of Aberdeen; 2016. Available from: https://abdn.alma.exlibrisgroup.com/view/delivery/44ABE_INST/12152477120005941 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.698849

Oregon State University

15. Saremi, Mahnaz. An econometric analysis of the Mexican import demand for U.S. pesticide[s].

Degree: PhD, Agricultural and Resource Economics, 1984, Oregon State University

URL: http://hdl.handle.net/1957/20052

Subjects/Keywords: Pesticides – Mexico

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APA (6^th Edition):

Saremi, M. (1984). An econometric analysis of the Mexican import demand for U.S. pesticide[s]. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/20052

Chicago Manual of Style (16^th Edition):

Saremi, Mahnaz. “An econometric analysis of the Mexican import demand for U.S. pesticide[s].” 1984. Doctoral Dissertation, Oregon State University. Accessed March 01, 2021. http://hdl.handle.net/1957/20052.

MLA Handbook (7^th Edition):

Saremi, Mahnaz. “An econometric analysis of the Mexican import demand for U.S. pesticide[s].” 1984. Web. 01 Mar 2021.

Vancouver:

Saremi M. An econometric analysis of the Mexican import demand for U.S. pesticide[s]. [Internet] [Doctoral dissertation]. Oregon State University; 1984. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/1957/20052.

Council of Science Editors:

Saremi M. An econometric analysis of the Mexican import demand for U.S. pesticide[s]. [Doctoral Dissertation]. Oregon State University; 1984. Available from: http://hdl.handle.net/1957/20052

16. Jose,Jacob P. Combined Toxic Effects of Oil and Pesticides on Selected Marine Invertebrates-1989.

Degree: Marine Science;, 1989, Cochin University of Science and Technology

URL: http://dyuthi.cusat.ac.in/purl/1223

Subjects/Keywords: Pesticides; Invertebrates

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APA (6^th Edition):

P, J. (1989). Combined Toxic Effects of Oil and Pesticides on Selected Marine Invertebrates-1989. (Thesis). Cochin University of Science and Technology. Retrieved from http://dyuthi.cusat.ac.in/purl/1223

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

P, Jose,Jacob. “Combined Toxic Effects of Oil and Pesticides on Selected Marine Invertebrates-1989.” 1989. Thesis, Cochin University of Science and Technology. Accessed March 01, 2021. http://dyuthi.cusat.ac.in/purl/1223.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

P, Jose,Jacob. “Combined Toxic Effects of Oil and Pesticides on Selected Marine Invertebrates-1989.” 1989. Web. 01 Mar 2021.

Vancouver:

P J. Combined Toxic Effects of Oil and Pesticides on Selected Marine Invertebrates-1989. [Internet] [Thesis]. Cochin University of Science and Technology; 1989. [cited 2021 Mar 01]. Available from: http://dyuthi.cusat.ac.in/purl/1223.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

P J. Combined Toxic Effects of Oil and Pesticides on Selected Marine Invertebrates-1989. [Thesis]. Cochin University of Science and Technology; 1989. Available from: http://dyuthi.cusat.ac.in/purl/1223

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Oregon State University

17. Khasawneh, Mohammad A. Natural and semi-synthetic compounds with biocidal activity against arthropods of public health importance.

Degree: PhD, Chemistry, 2003, Oregon State University

URL: http://hdl.handle.net/1957/30966

► This study identified new compounds with pest control activities. The two sources of candidates that were followed here were the main heartwood extract of Alaska… (more)

▼ This study identified new compounds with pest control activities. The two sources of candidates that were followed here were the main heartwood extract of Alaska Yellow Cedar (AYC) constituents and several semi-synthetic counterparts. Five compounds were isolated and identified for the first time in AYC heartwood in this research: two monoterpenes, two sesquiterpenes, and one lignan. The two monoterpenes were (1S)-2-oxo-3-p-menthenol (41) and (4R)-4-hydroxy-4-isopropyl-cyclohex-1-enecarboxylic acid (63). The two sesquiterpenes were (5S,7R,10R,11R)-eudesm-4(14)-ene-11,12-diol (46) and (4R,5S,7R)-1(10)- eremohpilen-11,12-diol (59). The lignan was (1R,2S,5R,6S)-2,6-bis-(3,5- dimethoxy-4-hydroxyphenyl)-3,7-dioxabicyclo-[3.3.0]octane,(67). Structures for these compounds were confirmed on the basis of spectroscopic techniques such as 1- and 2-D NMR, high resolution MS and IR. The pest control activity studies of 15 compounds isolated or semi-synthesized from AYC heartwood were conducted at the Centers for Disease Control and Prevention (CDC). Two types of studies were conducted – short-term (24h) and residual (over 1-4 weeks) activity for application against three types of pests related to human health - nymphal I. scapularis ticks, adult X cheopis fleas and adult Ae. eagypti mosquitoes. The 24 h studies revealed that nootkatone, valencene-13-aldehyde and valencene-13-ol were the most active among the studied compounds against the three pests. They exhibited highly improved pest control activities compared to valencene. This suggests that oxidation on both positions C-2 and C-13 of the eremophilane ring structure has an important effect on the activity. For compounds where the conformation of the eremophilane bicyclic ring has been altered, the activity seemed to diminish greatly. The above mentioned three compounds can be good candidates as pest control lead compounds. The residual studies revealed that the most active compounds exhibited activity profiles that generally decreased with time. Although the long-term safety of these compounds has yet to be evaluated, the natural origin and the long history of use of these compounds suggest that they can be promising candidates. This study revealed that the three most promising compounds in the 24 h study exhibited reasonably promising behavior, which makes them even stronger as pest control candidates. Advisors/Committee Members: Karchesy, Joseph J. (advisor).

Subjects/Keywords: Botanical pesticides

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APA (6^th Edition):

Khasawneh, M. A. (2003). Natural and semi-synthetic compounds with biocidal activity against arthropods of public health importance. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/30966

Chicago Manual of Style (16^th Edition):

Khasawneh, Mohammad A. “Natural and semi-synthetic compounds with biocidal activity against arthropods of public health importance.” 2003. Doctoral Dissertation, Oregon State University. Accessed March 01, 2021. http://hdl.handle.net/1957/30966.

MLA Handbook (7^th Edition):

Khasawneh, Mohammad A. “Natural and semi-synthetic compounds with biocidal activity against arthropods of public health importance.” 2003. Web. 01 Mar 2021.

Vancouver:

Khasawneh MA. Natural and semi-synthetic compounds with biocidal activity against arthropods of public health importance. [Internet] [Doctoral dissertation]. Oregon State University; 2003. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/1957/30966.

Council of Science Editors:

Khasawneh MA. Natural and semi-synthetic compounds with biocidal activity against arthropods of public health importance. [Doctoral Dissertation]. Oregon State University; 2003. Available from: http://hdl.handle.net/1957/30966

18. Schaefer, Melissa Claire. Evaluation of manufacturing processes for the production of atrazine.

Degree: Faculty of Science, 2002, Port Elizabeth Technikon

URL: http://hdl.handle.net/10948/96

► This report describes the results of investigations carried out with the view to find an alternative for MIBK as solvent for the production of atrazine… (more)

▼ This report describes the results of investigations carried out with the view to find an alternative for MIBK as solvent for the production of atrazine as currently practised by Dow AgroSciences in South Africa. The main motivating factors for the said investigation was: · to increase the yield of atrazine produced, · to reduce the amount of organics, consisting essentially of reaction solvent containing dissolved product, in the aqueous process effluent, and · to improve the properties of the solid (crystalline) product to enable easier product formulation. Synthetic reactions carried out in the absence of organic solvent, i.e. in essentially a 10% NaCl solution containing a surfactant, proved rather disappointing. Low yields of atrazine were obtained together with relatively large amounts of by-products such as propazine and simazine, irrespective of the nature of the surfactant. The reason for the low yield of atrazine and high yields of by-products were established in competing substitution reactions. In these reactions, IPA was reacted with an equimolar mixture of cyanuric chloride and mono-i (first reaction intermediate) in both aqueous medium and in toluene as reaction solvent. The results of these experiments indicated that in aqueous medium IPA reacts faster with mono-i than cyanuric chloride to give propazine as by-product. In toluene, however, the preferred reaction is with cyanuric chloride to give more mono-i as product. Toluene was investigated as an alternative organic solvent to MIBK in view of its desirable properties such as low solubility in water and ease of recovery and recycling. The synthesis of atrazine was optimised in terms of addition sequence and rates of amine reagents and base (HCl acceptor), both by means of benchscale reactions and reaction calorimetry. Reaction energy profiles indicated that both the reaction of secondary amine/NaOH and primary amine/NaOH were virtually instantaneous. This implies that the reaction can be performed under feed control conditions. Of particular importance in ensuring high yields of high purity product was accurate temperature control (since both reaction steps are highly exothermic) and mixing. The latter was important in view of the rapid reaction of amine/NaOH with cyanuric chloride, as well as the possible reaction of mono-i, the first reaction intermediate, with IPA in cases of local excesses of reagent. Under optimum conditions, a yield of atrazine > 97% could be achieved where the resultant product was well within stipulated product specifications. In view of the results obtained, the following recommendations regarding the synthesis of atrazine in toluene as reaction solvent can be made: · Use a reagent addition sequence that staggers the addition of amine and NaOH in such a manner that amine is added first for a short while, followed by the simultaneous addition of amine and NaOH, and ending with NaOH. Use two reaction vessels in series, one for the IPA addition reaction and one for the MEA addition reaction. In this manner the reaction can be…

Subjects/Keywords: Atrazine; Pesticides

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APA (6^th Edition):

Schaefer, M. C. (2002). Evaluation of manufacturing processes for the production of atrazine. (Thesis). Port Elizabeth Technikon. Retrieved from http://hdl.handle.net/10948/96

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Schaefer, Melissa Claire. “Evaluation of manufacturing processes for the production of atrazine.” 2002. Thesis, Port Elizabeth Technikon. Accessed March 01, 2021. http://hdl.handle.net/10948/96.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Schaefer, Melissa Claire. “Evaluation of manufacturing processes for the production of atrazine.” 2002. Web. 01 Mar 2021.

Vancouver:

Schaefer MC. Evaluation of manufacturing processes for the production of atrazine. [Internet] [Thesis]. Port Elizabeth Technikon; 2002. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/10948/96.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Schaefer MC. Evaluation of manufacturing processes for the production of atrazine. [Thesis]. Port Elizabeth Technikon; 2002. Available from: http://hdl.handle.net/10948/96

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Georgia

19. Sathyanarayanan, Lakshmi. Effects of pesticides and temperature on sporulation and viability of cyclospora cayetanensis.

Degree: 2014, University of Georgia

URL: http://hdl.handle.net/10724/20658

► Outbreaks of Cyclospora cayetanensis had been associated with raspberries, basil and lettuce. The leading hypotheses in the raspberry associated outbreaks were that fungicidal spray water… (more)

Subjects/Keywords: CYCLOSPORA; PESTICIDES; BASIL; RASPBERRIES; CRYPTOSPORIDIUM

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APA (6^th Edition):

Sathyanarayanan, L. (2014). Effects of pesticides and temperature on sporulation and viability of cyclospora cayetanensis. (Thesis). University of Georgia. Retrieved from http://hdl.handle.net/10724/20658

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Sathyanarayanan, Lakshmi. “Effects of pesticides and temperature on sporulation and viability of cyclospora cayetanensis.” 2014. Thesis, University of Georgia. Accessed March 01, 2021. http://hdl.handle.net/10724/20658.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Sathyanarayanan, Lakshmi. “Effects of pesticides and temperature on sporulation and viability of cyclospora cayetanensis.” 2014. Web. 01 Mar 2021.

Vancouver:

Sathyanarayanan L. Effects of pesticides and temperature on sporulation and viability of cyclospora cayetanensis. [Internet] [Thesis]. University of Georgia; 2014. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/10724/20658.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Sathyanarayanan L. Effects of pesticides and temperature on sporulation and viability of cyclospora cayetanensis. [Thesis]. University of Georgia; 2014. Available from: http://hdl.handle.net/10724/20658

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

20. Chilumuru, Rama Mohana Rao. Development and Validation of Hplc Methods For The Analysis Of Selected Antibiotics And Pesticides: Application To Food Stuffs; -.

Degree: Physics, 2013, Acharya Nagarjuna University

URL: http://shodhganga.inflibnet.ac.in/handle/10603/49140

None

Bibliography given

Advisors/Committee Members: Cyril, Arun Kumar L.

Subjects/Keywords: Antibiotics; Pesticides

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APA (6^th Edition):

Chilumuru, R. M. R. (2013). Development and Validation of Hplc Methods For The Analysis Of Selected Antibiotics And Pesticides: Application To Food Stuffs; -. (Thesis). Acharya Nagarjuna University. Retrieved from http://shodhganga.inflibnet.ac.in/handle/10603/49140

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Chilumuru, Rama Mohana Rao. “Development and Validation of Hplc Methods For The Analysis Of Selected Antibiotics And Pesticides: Application To Food Stuffs; -.” 2013. Thesis, Acharya Nagarjuna University. Accessed March 01, 2021. http://shodhganga.inflibnet.ac.in/handle/10603/49140.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Chilumuru, Rama Mohana Rao. “Development and Validation of Hplc Methods For The Analysis Of Selected Antibiotics And Pesticides: Application To Food Stuffs; -.” 2013. Web. 01 Mar 2021.

Vancouver:

Chilumuru RMR. Development and Validation of Hplc Methods For The Analysis Of Selected Antibiotics And Pesticides: Application To Food Stuffs; -. [Internet] [Thesis]. Acharya Nagarjuna University; 2013. [cited 2021 Mar 01]. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/49140.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Chilumuru RMR. Development and Validation of Hplc Methods For The Analysis Of Selected Antibiotics And Pesticides: Application To Food Stuffs; -. [Thesis]. Acharya Nagarjuna University; 2013. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/49140

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

21. Reddy, Mohana Muni Sidda K. Electrochemical reduction behaviour and analysis of some selective pesticides; -.

Degree: Chemistry, 2004, Sri Venkateswara University

URL: http://shodhganga.inflibnet.ac.in/handle/10603/53423

None

Bibliography given

Advisors/Committee Members: Reddy, Sursh C.

Subjects/Keywords: Electrochemical; Pesticides

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APA (6^th Edition):

Reddy, M. M. S. K. (2004). Electrochemical reduction behaviour and analysis of some selective pesticides; -. (Thesis). Sri Venkateswara University. Retrieved from http://shodhganga.inflibnet.ac.in/handle/10603/53423

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Reddy, Mohana Muni Sidda K. “Electrochemical reduction behaviour and analysis of some selective pesticides; -.” 2004. Thesis, Sri Venkateswara University. Accessed March 01, 2021. http://shodhganga.inflibnet.ac.in/handle/10603/53423.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Reddy, Mohana Muni Sidda K. “Electrochemical reduction behaviour and analysis of some selective pesticides; -.” 2004. Web. 01 Mar 2021.

Vancouver:

Reddy MMSK. Electrochemical reduction behaviour and analysis of some selective pesticides; -. [Internet] [Thesis]. Sri Venkateswara University; 2004. [cited 2021 Mar 01]. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/53423.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Reddy MMSK. Electrochemical reduction behaviour and analysis of some selective pesticides; -. [Thesis]. Sri Venkateswara University; 2004. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/53423

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Rhodes University

22. Solomon, Keith Ross. The mode of action of the acyl-diethylamide molluscicides.

Degree: MS, Faculty of Science, Zoology and Entomology, 1971, Rhodes University

URL: http://hdl.handle.net/10962/d1007406

► From Introduction: That bilharziasis an important public health, social and economic problem in the tropical and subtropical countries of the world is well appreciated. (WHO,… (more)

Subjects/Keywords: Pesticides; Molluscicides

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APA (6^th Edition):

Solomon, K. R. (1971). The mode of action of the acyl-diethylamide molluscicides. (Masters Thesis). Rhodes University. Retrieved from http://hdl.handle.net/10962/d1007406

Chicago Manual of Style (16^th Edition):

Solomon, Keith Ross. “The mode of action of the acyl-diethylamide molluscicides.” 1971. Masters Thesis, Rhodes University. Accessed March 01, 2021. http://hdl.handle.net/10962/d1007406.

MLA Handbook (7^th Edition):

Solomon, Keith Ross. “The mode of action of the acyl-diethylamide molluscicides.” 1971. Web. 01 Mar 2021.

Vancouver:

Solomon KR. The mode of action of the acyl-diethylamide molluscicides. [Internet] [Masters thesis]. Rhodes University; 1971. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/10962/d1007406.

Council of Science Editors:

Solomon KR. The mode of action of the acyl-diethylamide molluscicides. [Masters Thesis]. Rhodes University; 1971. Available from: http://hdl.handle.net/10962/d1007406

Stellenbosch University

23. Fourie, Frana. Evaluation of the suitability of responses on various organisational levels in terrestrial Oligochaeta to determine species sensitivity relationships.

Degree: PhD, Botany and Zoology, 2011, Stellenbosch University

URL: http://hdl.handle.net/10019.1/6906

► ENGLISH ABSTRACT: Species differ in their sensitivities to toxicants and these differences are exploited in ecological risk assessment methods such as species sensitivity distributions (SSDs).… (more)

▼ ENGLISH ABSTRACT: Species differ in their sensitivities to toxicants and these differences are exploited in ecological risk assessment methods such as species sensitivity distributions (SSDs). The most commonly used endpoints for ecotoxicity testing and thus to generate data for use in SSDs are on the whole-organismal level, and usually include the evaluation of survival and reproduction. However, suborganismal biomarker responses are in many instances more sensitive than these whole-organismal responses. Therefore, this study investigated and compared responses on various biological organisational levels to determine their suitability for use in SSDs. Five terrestrial oligochaete species (earthworms) were selected as model test organisms, and were exposed to a range of concentrations of a well-studied pesticide, copper oxychloride. The investigated responses included survival, biomass change and reproduction on the whole-organismal level. In order to investigate responses on the suborganismal level, cells (coelomocytes) were extracted non-invasively. The spectrophotometric neutral red retention (NRR) assay was used to determine cell survival and the MTT assay to determine mitochondrial metabolic activity of the coelomocytes. The alkaline single cell gel electrophoresis (comet) assay was used to assess DNA integrity in these cells. The amount of Cu taken up by earthworms was also determined and compared to their responses. Species differences were observed in all responses, and EC50 and EC10 values were calculated for the whole-organismal endpoints and used to generate SSDs. From these SSDs, the hazardous concentrations where 5% of all species would be detrimentally affected (HC5) were calculated, which indicated that the most sensitive whole-organismal endpoint was mass change, followed by reproduction and survival. It was found that earthworms avoided feeding on the contaminated substrate in high copper oxychloride concentration exposures. The concentration where this behaviour occurred could be estimated for each species, and an SSD was constructed with these data. The HC5 value indicated that this response is more sensitive than earthworm survival, but less sensitive than the other responses. It was shown that the earthworms regulated their body Cu concentrations in a species-specific manner. This regulation of Cu was reflected in the suborganismal responses, and the species that had taken up the highest amount of Cu was the most sensitive species for all three suborganismal assays. Due to this regulation of Cu, the resulting dose-responses for the suborganismal endpoints did not allow for the calculation of EC50 values in most of the species and such data could thus not be used to generate SSDs. Sufficient EC10 values were however generated to construct SSDs from the results of the NRR and comet assays. The HC5 values obtained from SSDs constructed with EC10 values for both suborganismal and whole-organismal endpoints indicated that the NRR assay was the most sensitive endpoint, followed by both the comet… Advisors/Committee Members: Reinecke, S. A., Reinecke, A. J., Stellenbosch University. Faculty of Science. Dept. of Botany and Zoology..

Subjects/Keywords: Zoology; Pesticides; Soil contamination

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APA (6^th Edition):

Fourie, F. (2011). Evaluation of the suitability of responses on various organisational levels in terrestrial Oligochaeta to determine species sensitivity relationships. (Doctoral Dissertation). Stellenbosch University. Retrieved from http://hdl.handle.net/10019.1/6906

Chicago Manual of Style (16^th Edition):

Fourie, Frana. “Evaluation of the suitability of responses on various organisational levels in terrestrial Oligochaeta to determine species sensitivity relationships.” 2011. Doctoral Dissertation, Stellenbosch University. Accessed March 01, 2021. http://hdl.handle.net/10019.1/6906.

MLA Handbook (7^th Edition):

Fourie, Frana. “Evaluation of the suitability of responses on various organisational levels in terrestrial Oligochaeta to determine species sensitivity relationships.” 2011. Web. 01 Mar 2021.

Vancouver:

Fourie F. Evaluation of the suitability of responses on various organisational levels in terrestrial Oligochaeta to determine species sensitivity relationships. [Internet] [Doctoral dissertation]. Stellenbosch University; 2011. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/10019.1/6906.

Council of Science Editors:

Fourie F. Evaluation of the suitability of responses on various organisational levels in terrestrial Oligochaeta to determine species sensitivity relationships. [Doctoral Dissertation]. Stellenbosch University; 2011. Available from: http://hdl.handle.net/10019.1/6906

Texas A&M University

24. Cowman, Deborah Fay. Pesticides and amphibian declines in the Sierra Nevada Mountains, California.

Degree: PhD, Wildlife and Fisheries Sciences, 2007, Texas A&M University

URL: http://hdl.handle.net/1969.1/4770

► Pacific chorus frog (Pseudacris regilla) hatchlings were translocated and placed in cages in sites (~2,200 m elevation) located in Lassen, Yosemite, and Sequoia National Parks.… (more)

▼ Pacific chorus frog (Pseudacris regilla) hatchlings were translocated and placed in cages in sites (~2,200 m elevation) located in Lassen, Yosemite, and Sequoia National Parks. DDE was found in 97% of Yosemite National Park samples, 84% in Sequoia National Park samples, and 15% of Lassen Volcanic National Park samples in 2001 and 2002. Total endosulfans were detected in 3% of Sequoia samples, 9% of Lassen samples and 24% of Yosemite samples. Both pesticides were detected in tadpoles and metamorphs raised at the three parks regardless of origin. Because the tadpoles were translocated post hatching, this finding indicates that the pesticides, particularly DDE, were accumulated at the site, instead of through deposition in the egg mass. Liver cells from 108 newly metamorphosed frogs were examined with flow cytometry (FCM) techniques for evaluation of chromosome breakage as measured by the half-peak coefficient of variation (HPCV) of the G1 peak. Regardless of origin, experimental groups raised at Lassen, the reference site, had significantly less chromosomal breakage (p=0.04) than metamorphs raised at the other two parks. This is the first documented evidence of DNA damage in juvenile frogs in the Sierra Nevada Mountains. Cholinesterase (ChE) was measured in tadpoles collected at 28 days and in juvenile frogs collected upon metamorphosis. In 2001, ChE activity was significantly higher in animals raised at Lassen (reference site), than at the other two parks, indicating less exposure to cholinesterase-inhibiting pesticides. This trend was not observed in 2002, although Sequoia ChE values were consistently lower than the other two parks. Temperatures were significantly different among the three parks for both years (p<0.0001) and lower temperatures may correlate with lower ChE levels. Survivorship to metamorphosis, days to metamorphosis, snout-vent lengths (SVL), and malformations were evaluated. Animals raised in Sequoia had shorter SVLs, took longer to metamorphose, and had lower survivorship to metamorphosis than in the other two parks (p<0.0001). Effects noted in P. regilla may be magnified in long lived ranid species. These findings may be important in evaluating the overall impact of aerially transported pesticides on declining frog populations in the Sierra Nevada Mountains. Advisors/Committee Members: Lacher, Thomas E. (advisor), Sparling, Donald W. (advisor), Bickham, John W. (committee member), Peterson, Tarla R. (committee member).

Subjects/Keywords: amphibians; pesticides

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APA (6^th Edition):

Cowman, D. F. (2007). Pesticides and amphibian declines in the Sierra Nevada Mountains, California. (Doctoral Dissertation). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/4770

Chicago Manual of Style (16^th Edition):

Cowman, Deborah Fay. “Pesticides and amphibian declines in the Sierra Nevada Mountains, California.” 2007. Doctoral Dissertation, Texas A&M University. Accessed March 01, 2021. http://hdl.handle.net/1969.1/4770.

MLA Handbook (7^th Edition):

Cowman, Deborah Fay. “Pesticides and amphibian declines in the Sierra Nevada Mountains, California.” 2007. Web. 01 Mar 2021.

Vancouver:

Cowman DF. Pesticides and amphibian declines in the Sierra Nevada Mountains, California. [Internet] [Doctoral dissertation]. Texas A&M University; 2007. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/1969.1/4770.

Council of Science Editors:

Cowman DF. Pesticides and amphibian declines in the Sierra Nevada Mountains, California. [Doctoral Dissertation]. Texas A&M University; 2007. Available from: http://hdl.handle.net/1969.1/4770

University of Johannesburg

25. Nicholls, Irene Barbara. Isolation, identification and estimation of organochlorine pesticide residues in purified sewage effluent of the Johannesburg Metropolitan Area.

Degree: 2015, University of Johannesburg

URL: http://hdl.handle.net/10210/14591

M.Sc.

The Johannesburg Metropolitan area drains sewage from approximately 1,3 million people which is treated at five different works. The Northern Works discharges approximately 50 Mt of effluent per day, which, together with 27 MX from Alexandria Works flows into the Jukskei River and hence to Hartebeespoort Dam ...

Subjects/Keywords: Organochlorine compounds; Pesticides - Environmental aspects

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APA (6^th Edition):

Nicholls, I. B. (2015). Isolation, identification and estimation of organochlorine pesticide residues in purified sewage effluent of the Johannesburg Metropolitan Area. (Thesis). University of Johannesburg. Retrieved from http://hdl.handle.net/10210/14591

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Nicholls, Irene Barbara. “Isolation, identification and estimation of organochlorine pesticide residues in purified sewage effluent of the Johannesburg Metropolitan Area.” 2015. Thesis, University of Johannesburg. Accessed March 01, 2021. http://hdl.handle.net/10210/14591.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Nicholls, Irene Barbara. “Isolation, identification and estimation of organochlorine pesticide residues in purified sewage effluent of the Johannesburg Metropolitan Area.” 2015. Web. 01 Mar 2021.

Vancouver:

Nicholls IB. Isolation, identification and estimation of organochlorine pesticide residues in purified sewage effluent of the Johannesburg Metropolitan Area. [Internet] [Thesis]. University of Johannesburg; 2015. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/10210/14591.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Nicholls IB. Isolation, identification and estimation of organochlorine pesticide residues in purified sewage effluent of the Johannesburg Metropolitan Area. [Thesis]. University of Johannesburg; 2015. Available from: http://hdl.handle.net/10210/14591

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Nairobi

26. M'Anampiu, Japhet M. Organochlorine pesticides residues in fish and sediment from lake Naivasha .

Degree: 2011, University of Nairobi

URL: http://erepository.uonbi.ac.ke:8080/xmlui/handle/123456789/14197

► The main objective of this study was to identify and determine the levels of organochlorine pesticides residues in fish and sediment from Lake Naivasha and… (more)

▼ The main objective of this study was to identify and determine the levels of organochlorine pesticides residues in fish and sediment from Lake Naivasha and to evaluate the toxicological implications of their presence. A total of 82 fish samples and 24 samples of sediment were analyzed using a Packard gas liquid chromatograph fitted with a 63Ni electron capture detector. The fish samples comprised of liver, eggs and muscle tissues. Out of 82 samples of fish analyzed 93.9% had detectable levels of at least one of the organochlorine compounds. Hexachlorocyclohexanes were the most frequently detected pesticides residues, α ‐HCH showing in 93.9% of the samples, β‐HCH in 60.9% of the samples and lindane in 6% of the samples. The cyclodienes were also detected with 50% of fish samples having heptachlor which had a mean of 0.004mg/kg, dieldrin was detected in 26 samples with a mean of 0.023 mg/kg, heptachlor epoxide in 25 samples with a mean of 0.0052mg/kg, aldrin was detected in only one liver sample of a female black bass and endrin was also found in only one liver sample of a male Tilapia fish. The 24 sediment samples analyzed, 62.5% showed presence of α ‐HCH with a mean of 0.003mg/kg, 37.5% samples had β‐HCH with a mean of 0.00315mg/kg, 12 samples had lindane with a mean of 0.00175mg/kg; Heptachlor epoxide was detected in only one sample with a value of 0.0012mg/kg, dieldrin was found in one sample with a value of 0.0033mg/kg and aldrin in one sample with a mean of 0.0025mg/kg. No DDT or its analogue was detected in fish and sediment samples. This showed that there has not been any recent use of the pesticide in the surrounding areas. The presence of α ‐HCH, β‐HCH and γ‐HCH in both fish and sediment samples indicate continuous use of these chemicals in the numerous flower farms around Lake Naivasha. The organochlorine pesticide residues found in the present study are generally below the maximum residue limits (MRL) set by FAO/WHO bodies. This indicated that the organochlorine pesticide residues do not pose a health risk to the consumers of the fish from Lake Naivasha. However emphasis should be laid on a continuous monitoring programme to safe guard the consumer of fish and animal products from Lake Naivasha

Subjects/Keywords: Pesticides residues; Organochlorine; Fish; Sediment

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APA (6^th Edition):

M'Anampiu, J. M. (2011). Organochlorine pesticides residues in fish and sediment from lake Naivasha . (Thesis). University of Nairobi. Retrieved from http://erepository.uonbi.ac.ke:8080/xmlui/handle/123456789/14197

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

M'Anampiu, Japhet M. “Organochlorine pesticides residues in fish and sediment from lake Naivasha .” 2011. Thesis, University of Nairobi. Accessed March 01, 2021. http://erepository.uonbi.ac.ke:8080/xmlui/handle/123456789/14197.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

M'Anampiu, Japhet M. “Organochlorine pesticides residues in fish and sediment from lake Naivasha .” 2011. Web. 01 Mar 2021.

Vancouver:

M'Anampiu JM. Organochlorine pesticides residues in fish and sediment from lake Naivasha . [Internet] [Thesis]. University of Nairobi; 2011. [cited 2021 Mar 01]. Available from: http://erepository.uonbi.ac.ke:8080/xmlui/handle/123456789/14197.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

M'Anampiu JM. Organochlorine pesticides residues in fish and sediment from lake Naivasha . [Thesis]. University of Nairobi; 2011. Available from: http://erepository.uonbi.ac.ke:8080/xmlui/handle/123456789/14197

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Rhodes University

27. Akinbulu, Isaac Adebayo. Surface properties and electrocatalytic applications of metallophthalocyanines confined on electrode surfaces.

Degree: Faculty of Science, Chemistry, 2011, Rhodes University

URL: http://hdl.handle.net/10962/d1005030

► New cobalt (13, 16 19 and 22), manganese (14, 17, 20 and 23) and iron (15, 18, 21 and 24)phthalocyanine complexes were synthesized and characterized.… (more)

▼ New cobalt (13, 16 19 and 22), manganese (14, 17, 20 and 23) and iron (15, 18, 21 and 24)phthalocyanine complexes were synthesized and characterized. The UV-Vis spectral properties of the complexes were typical of the nature of central metal and position of substituent on the Pc ligand. Their electrochemical behaviors were signatures of the central metals, with varying influences of the nature and position of substituents. Nanocomposite of complex 18 and single walled carbon nanotubes (SWCNTs) (SWCNT-18)was fabricated. Formation of this nano-composite was confirmed by infrared (IR)spectroscopy, X-ray diffraction (XRD) spectroscopy and transmission electron microscopy (TEM). Self-assembled monolayers (SAMs) of SWCNT-18, complexes 13-15, and 20 were electropolymerized on glassy carbon electrodes (GCE). Complex 14 was also electrodeposited on GCE. Surface properties of the SAMs were consistent with the molecular feature of the substituent and the nature of central metal in the adsorbed species, while those of the MnPc modified GCEs were dependent on point of substitution and number of substituent. The SAM-modified gold electrodes were used for the electrocatalytic oxidation of the carbamate insecticide, carbofuran. Amplification of the current signal of the insecticide, at more energetically feasible oxidation potentials, on the SAM-modified gold electrodes, relative to bare gold electrode,justified electrocatalysis. There was enhanced sensitivity (attributed to the presence of SWCNT) of the SWCNT-18-SAM-modified gold electrode towards carbofuran, relative to the signals observed on the other SAMs. Current response of the insecticide,bendiocarb, was also intensified, at more favorable oxidation potentials, on the MnPc (14 and 17) modified GCEs, relative to the response on bare GCE, substantiating electrocatalysis. Also, catalysis of the oxidation of the herbicide, bentazon, was observed on polymeric film of complex 20. The current response of the herbicide on this film was better than that observed on bare GCE. Electrocatalysis of the analytes, on the respective modified electrodes, occurred via closely related mechanisms.

Subjects/Keywords: Phthalocyanines; Electrochemistry; Electrocatalysis; Pesticides

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APA (6^th Edition):

Akinbulu, I. A. (2011). Surface properties and electrocatalytic applications of metallophthalocyanines confined on electrode surfaces. (Thesis). Rhodes University. Retrieved from http://hdl.handle.net/10962/d1005030

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Akinbulu, Isaac Adebayo. “Surface properties and electrocatalytic applications of metallophthalocyanines confined on electrode surfaces.” 2011. Thesis, Rhodes University. Accessed March 01, 2021. http://hdl.handle.net/10962/d1005030.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Akinbulu, Isaac Adebayo. “Surface properties and electrocatalytic applications of metallophthalocyanines confined on electrode surfaces.” 2011. Web. 01 Mar 2021.

Vancouver:

Akinbulu IA. Surface properties and electrocatalytic applications of metallophthalocyanines confined on electrode surfaces. [Internet] [Thesis]. Rhodes University; 2011. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/10962/d1005030.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Akinbulu IA. Surface properties and electrocatalytic applications of metallophthalocyanines confined on electrode surfaces. [Thesis]. Rhodes University; 2011. Available from: http://hdl.handle.net/10962/d1005030

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Oregon State University

28. Cobb, William Thompson. The influence of sulfur and carbohydrate nutrition of Fusarium oxysporum f. sp. lycopersici on resistance to methylisothiocyanate.

Degree: PhD, Botany, 1972, Oregon State University

URL: http://hdl.handle.net/1957/45009

Subjects/Keywords: Pesticides – Toxicology

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APA (6^th Edition):

Cobb, W. T. (1972). The influence of sulfur and carbohydrate nutrition of Fusarium oxysporum f. sp. lycopersici on resistance to methylisothiocyanate. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/45009

Chicago Manual of Style (16^th Edition):

Cobb, William Thompson. “The influence of sulfur and carbohydrate nutrition of Fusarium oxysporum f. sp. lycopersici on resistance to methylisothiocyanate.” 1972. Doctoral Dissertation, Oregon State University. Accessed March 01, 2021. http://hdl.handle.net/1957/45009.

MLA Handbook (7^th Edition):

Cobb, William Thompson. “The influence of sulfur and carbohydrate nutrition of Fusarium oxysporum f. sp. lycopersici on resistance to methylisothiocyanate.” 1972. Web. 01 Mar 2021.

Vancouver:

Cobb WT. The influence of sulfur and carbohydrate nutrition of Fusarium oxysporum f. sp. lycopersici on resistance to methylisothiocyanate. [Internet] [Doctoral dissertation]. Oregon State University; 1972. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/1957/45009.

Council of Science Editors:

Cobb WT. The influence of sulfur and carbohydrate nutrition of Fusarium oxysporum f. sp. lycopersici on resistance to methylisothiocyanate. [Doctoral Dissertation]. Oregon State University; 1972. Available from: http://hdl.handle.net/1957/45009

Oregon State University

29. Smith, Harry Glen. The comparative pharmacodynamics of three organophosphate pesticides on host rabbits and two ectoparasites.

Degree: PhD, Entomology, 1969, Oregon State University

URL: http://hdl.handle.net/1957/46419

► Proban, Famphur and Tiguvon were administered intravenously, subcutaneously, and orally at varying concentrations to 101 female rabbits. The cholinesterase (ChE) activity levels of both plasma… (more)

Subjects/Keywords: Pesticides – Testing

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Smith, H. G. (1969). The comparative pharmacodynamics of three organophosphate pesticides on host rabbits and two ectoparasites. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/46419

Chicago Manual of Style (16^th Edition):

Smith, Harry Glen. “The comparative pharmacodynamics of three organophosphate pesticides on host rabbits and two ectoparasites.” 1969. Doctoral Dissertation, Oregon State University. Accessed March 01, 2021. http://hdl.handle.net/1957/46419.

MLA Handbook (7^th Edition):

Smith, Harry Glen. “The comparative pharmacodynamics of three organophosphate pesticides on host rabbits and two ectoparasites.” 1969. Web. 01 Mar 2021.

Vancouver:

Smith HG. The comparative pharmacodynamics of three organophosphate pesticides on host rabbits and two ectoparasites. [Internet] [Doctoral dissertation]. Oregon State University; 1969. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/1957/46419.

Council of Science Editors:

Smith HG. The comparative pharmacodynamics of three organophosphate pesticides on host rabbits and two ectoparasites. [Doctoral Dissertation]. Oregon State University; 1969. Available from: http://hdl.handle.net/1957/46419

University of Guelph

30. Gordon, Rebecca. Evaluating Biological and Chemical Contaminant Removal and Recovery from Water using Capacitive Deionization.

Degree: MFA, School of Environmental Sciences, 2016, University of Guelph

URL: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/9704

► Enteric viruses and herbicides may pose a health and economic risk to populations worldwide at low environmental concentrations in source waters. Since the current concentration… (more)

Subjects/Keywords: enteric viruses; pesticides; capacitive deionization

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Gordon, R. (2016). Evaluating Biological and Chemical Contaminant Removal and Recovery from Water using Capacitive Deionization. (Thesis). University of Guelph. Retrieved from https://atrium.lib.uoguelph.ca/xmlui/handle/10214/9704

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Gordon, Rebecca. “Evaluating Biological and Chemical Contaminant Removal and Recovery from Water using Capacitive Deionization.” 2016. Thesis, University of Guelph. Accessed March 01, 2021. https://atrium.lib.uoguelph.ca/xmlui/handle/10214/9704.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Gordon, Rebecca. “Evaluating Biological and Chemical Contaminant Removal and Recovery from Water using Capacitive Deionization.” 2016. Web. 01 Mar 2021.

Vancouver:

Gordon R. Evaluating Biological and Chemical Contaminant Removal and Recovery from Water using Capacitive Deionization. [Internet] [Thesis]. University of Guelph; 2016. [cited 2021 Mar 01]. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/9704.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Gordon R. Evaluating Biological and Chemical Contaminant Removal and Recovery from Water using Capacitive Deionization. [Thesis]. University of Guelph; 2016. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/9704

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Open Access Theses and Dissertations