subject:(photodissociation)

1. Klein, Dustin Roni. Structural characterization of lipids using 193 nm ultraviolet photodissociation mass spectrometry.

Degree: PhD, Chemistry, 2019, University of Texas – Austin

URL: http://dx.doi.org/10.26153/tsw/2277

► As their diversity of structures suggests, lipids have a wide range of functions from storing energy to participant signal transduction. Over the last decade, mass… (more)

▼ As their diversity of structures suggests, lipids have a wide range of functions from storing energy to participant signal transduction. Over the last decade, mass spectrometry has emerged as a powerful analytical tool for identification and quantitation of lipids. While tandem mass spectrometry affords a higher level of structural characterization than intact mass measurements alone, conventional ion activation methods often fail to elucidate subtle yet critical structural features. The research presented in this dissertation explores the utility of 193 nm ultraviolet photodissociation (UVPD), a fast and high-energy alternative ion activation method, for structural characterization of phosphatidylcholines and lipooligosaccharides. Phosphatidylcholines are the most abundant glycerophospholipid in mammalian cell membranes and therefore represent an important analytical target. Low-energy collision-based activation methods generate head group and acyl chain fragment ions that permit determination of the lipid class and acyl chain composition, respectively. Photodissociation at 193 nm UVPD similarly produced head group and acyl chain fragment ions, in addition to diagnostic pairs of fragment ions that afforded localization of double bonds within acyl chains. Implementation of UVPD in a shotgun lipidomic workflow enabled identification of double bond positional isomers in complex glycerophospholipid extracts that otherwise would have gone undetected with low-energy collision-based activation methods. Coupling of the UVPD method to a mass spectrometry imaging workflow further facilitated detection of double bond positional isomers in situ. Changes in the relative abundances of double bond positional isomers were correlated to specific tissue features. Lipooligosaccharides (LOS) are saccharolipids that are the main component of the outer membrane of Gram-negative bacteria. Determination of unknown lipooligosaccharides structures and modifications is crucial considering the relationship between LOS structures and the development of antibiotic resistance. A mass spectrometry method utilizing the MS [superscript n] capabilities of linear ion trap mass analyzer, 193 nm UVPD, and high resolution scanning in the Orbitrap mass analyzer facilitated detailed structural characterization of intact LOS structures in both shotgun and chromatographic workflows. The methods permitted both localization of non-stoichiometric modification and determination of unknown core oligosaccharide structures Advisors/Committee Members: Brodbelt, Jennifer S. (advisor), Anslyn, Eric V (committee member), Davies, Bryan W (committee member), Eberlin, Livia Schiavinato (committee member), Webb, Lauren J (committee member).

Subjects/Keywords: Lipids; Photodissociation

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APA (6^th Edition):

Klein, D. R. (2019). Structural characterization of lipids using 193 nm ultraviolet photodissociation mass spectrometry. (Doctoral Dissertation). University of Texas – Austin. Retrieved from http://dx.doi.org/10.26153/tsw/2277

Chicago Manual of Style (16^th Edition):

Klein, Dustin Roni. “Structural characterization of lipids using 193 nm ultraviolet photodissociation mass spectrometry.” 2019. Doctoral Dissertation, University of Texas – Austin. Accessed April 17, 2021. http://dx.doi.org/10.26153/tsw/2277.

MLA Handbook (7^th Edition):

Klein, Dustin Roni. “Structural characterization of lipids using 193 nm ultraviolet photodissociation mass spectrometry.” 2019. Web. 17 Apr 2021.

Vancouver:

Klein DR. Structural characterization of lipids using 193 nm ultraviolet photodissociation mass spectrometry. [Internet] [Doctoral dissertation]. University of Texas – Austin; 2019. [cited 2021 Apr 17]. Available from: http://dx.doi.org/10.26153/tsw/2277.

Council of Science Editors:

Klein DR. Structural characterization of lipids using 193 nm ultraviolet photodissociation mass spectrometry. [Doctoral Dissertation]. University of Texas – Austin; 2019. Available from: http://dx.doi.org/10.26153/tsw/2277

Texas A&M University

2. Morgan, Joseph William. Development of tandem time-of-flight instrumentation for the examination of prompt photodissociation of peptides using 193-nm radiation.

Degree: PhD, Chemistry, 2006, Texas A&M University

URL: http://hdl.handle.net/1969.1/3293

► The design and incorporation of a decelerating/accelerating cell into a reflectron time-of-flight mass spectrometer is described for the examination of promptly-formed photodissociation products of peptide… (more)

Subjects/Keywords: Photodissociation; Instrumentation

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APA (6^th Edition):

Morgan, J. W. (2006). Development of tandem time-of-flight instrumentation for the examination of prompt photodissociation of peptides using 193-nm radiation. (Doctoral Dissertation). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/3293

Chicago Manual of Style (16^th Edition):

Morgan, Joseph William. “Development of tandem time-of-flight instrumentation for the examination of prompt photodissociation of peptides using 193-nm radiation.” 2006. Doctoral Dissertation, Texas A&M University. Accessed April 17, 2021. http://hdl.handle.net/1969.1/3293.

MLA Handbook (7^th Edition):

Morgan, Joseph William. “Development of tandem time-of-flight instrumentation for the examination of prompt photodissociation of peptides using 193-nm radiation.” 2006. Web. 17 Apr 2021.

Vancouver:

Morgan JW. Development of tandem time-of-flight instrumentation for the examination of prompt photodissociation of peptides using 193-nm radiation. [Internet] [Doctoral dissertation]. Texas A&M University; 2006. [cited 2021 Apr 17]. Available from: http://hdl.handle.net/1969.1/3293.

Council of Science Editors:

Morgan JW. Development of tandem time-of-flight instrumentation for the examination of prompt photodissociation of peptides using 193-nm radiation. [Doctoral Dissertation]. Texas A&M University; 2006. Available from: http://hdl.handle.net/1969.1/3293

NSYSU

3. Luo, Yun-Wen. Surface Photochemical Synthesis of Azoarenes from Aryl Azides.

Degree: Master, Chemistry, 2018, NSYSU

URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0702118-151936

► Thermal, photochemical and metal-facilitated routes to aryl nitrenes via the extrusion of dinitrogen from 4-methoxyphenyl azide adsorbed on a single crystal Cu(100) surface have been… (more)

Subjects/Keywords: azides; azoarenes; nitrenes; surface; photodissociation

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APA (6^th Edition):

Luo, Y. (2018). Surface Photochemical Synthesis of Azoarenes from Aryl Azides. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0702118-151936

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):

Luo, Yun-Wen. “Surface Photochemical Synthesis of Azoarenes from Aryl Azides.” 2018. Thesis, NSYSU. Accessed April 17, 2021. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0702118-151936.

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

MLA Handbook (7^th Edition):

Luo, Yun-Wen. “Surface Photochemical Synthesis of Azoarenes from Aryl Azides.” 2018. Web. 17 Apr 2021.

Vancouver:

Luo Y. Surface Photochemical Synthesis of Azoarenes from Aryl Azides. [Internet] [Thesis]. NSYSU; 2018. [cited 2021 Apr 17]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0702118-151936.

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

Council of Science Editors:

Luo Y. Surface Photochemical Synthesis of Azoarenes from Aryl Azides. [Thesis]. NSYSU; 2018. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0702118-151936

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

Texas A&M University

4. Wallace, Colin James. The Photodissociation of OCS and HN3: Understanding Dynamics in the First Absorption Band.

Degree: PhD, Chemistry, 2019, Texas A&M University

URL: http://hdl.handle.net/1969.1/188810

► This dissertation is focused on describing the photodissociation dynamics of both OCS and HN3 in the first UV absorption band. The photodissociation of OCS in… (more)

▼ This dissertation is focused on describing the photodissociation dynamics of both OCS and HN3 in the first UV absorption band. The photodissociation of OCS in the first UV absorption band has continuously been a test case for theoretical models. Experimental measurements using Velocity Map Ion Imaging (VELMI) at 214 nm uncovered previously unseen vibrational excitation of the CO fragment. The photodissociation of OCS is known to result in a j-dependent β parameter. The origin of the j-dependence has been hypothesized to occur via two different mechanisms: a two electronic state model and a non-axial recoil model. This work has confirmed the origin of the j-dependent β originates from two nearby electronic states, the A(21A¹) and B(1^1A”) electronic states, of OCS with opposite symmetry. Using these measurements in addition to experimental data from the literature the fractional contributions of each state excited state is determined. The contribution of the B state (fvB) did not agree well with theory over the first absorption band. Additionally, experimental measurements at 214 nm have indicated an underestimation in the surface hopping trajectories in the photodissociation of OCS, possibly originating from discrepancies in the calculated initial impulse along the bending coordinate or the coupling between the ground X(1^1A′ ) and A(2^1A ′ ). The photodissociation of HN3 in the first UV absorption band near 256 nm, 271 nm, and 285 nm were measured using VELMI. A series of images across the HN rotational distribution were collected at each wavelength. The experimental measurements at 285 nm are in good agreement with previous measurements in the literature. Speed dependent vector correlations were successfully measured using the recently developed 2+1 REMPI equations. The speed dependent vector correlations measured from the HN fragment provided insight into the correlated dynamics of the Nv2 cofragment. The speed dependent vector correlations at 285 nm indicated the low jvN2 originated primarily from the νv5 in plane bend, with increasing dependence on the νv6 torsion with increasing jvN2 . In the future, additional measurements of the Nv2 fragment using a 2+2 REMPI scheme at 283 nm are possible. Ion images of the Nv2 fragment would allow for the direct determination of the Nv2 vector properties providing a way to validate the speed dependent vector correlations measured using the 2+1 HN REMPI scheme at 285 nm. Additional measurements at 256 nm and 271 nm are necessary to determine the accuracy of the vector correlations in the current data. Keywords: Photodissociation, VELMI, vector correlations. Advisors/Committee Members: North, Simon W (advisor), Welch, George R (committee member), Russell, David H (committee member), Son, Dong H (committee member).

Subjects/Keywords: photodissociation; VELMI; vector correlations

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APA (6^th Edition):

Wallace, C. J. (2019). The Photodissociation of OCS and HN3: Understanding Dynamics in the First Absorption Band. (Doctoral Dissertation). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/188810

Chicago Manual of Style (16^th Edition):

Wallace, Colin James. “The Photodissociation of OCS and HN3: Understanding Dynamics in the First Absorption Band.” 2019. Doctoral Dissertation, Texas A&M University. Accessed April 17, 2021. http://hdl.handle.net/1969.1/188810.

MLA Handbook (7^th Edition):

Wallace, Colin James. “The Photodissociation of OCS and HN3: Understanding Dynamics in the First Absorption Band.” 2019. Web. 17 Apr 2021.

Vancouver:

Wallace CJ. The Photodissociation of OCS and HN3: Understanding Dynamics in the First Absorption Band. [Internet] [Doctoral dissertation]. Texas A&M University; 2019. [cited 2021 Apr 17]. Available from: http://hdl.handle.net/1969.1/188810.

Council of Science Editors:

Wallace CJ. The Photodissociation of OCS and HN3: Understanding Dynamics in the First Absorption Band. [Doctoral Dissertation]. Texas A&M University; 2019. Available from: http://hdl.handle.net/1969.1/188810

University of New South Wales

5. Quinn, Mitchell S. The photodissociation of small Aldehydes: a refined understanding of prototypical dynamical systems.

Degree: Chemistry, 2017, University of New South Wales

URL: http://handle.unsw.edu.au/1959.4/57237 ; https://unsworks.unsw.edu.au/fapi/datastream/unsworks:42935/SOURCE02?view=true

► H2CO is photolysed between 30000 cm-1 to 37500 cm-1 ascertaining the individual quantum yield of all fiveradical, molecular and triple fragmentation channels. Branching fractions are… (more)

▼ H2CO is photolysed between 30000 cm-1 to 37500 cm-1 ascertaining the individual quantum yield of all fiveradical, molecular and triple fragmentation channels. Branching fractions are extracted from H atom velocitymapped ion (VMI) images and speed correlated REMPI spectra of CO(v = 0, 1). The traditional transition state(TS) mechanism is dominant at the extremes of this energy range, with the radical channels on the T1 and Sosurfaces dominant elsewhere. The roaming channel branching fraction is constant, accounting for -20 % ofCO produced. Roaming occurs on a timescale shorter than the vibrational predissociation of HCO. Thequantum yield of the triple fragmentation channel grows exponentially above threshold and is well modelledby a modified double phase space theory (PST) model.The (2+1) REMPI spectrum of H2 via the E,F state was collected and assigned. Nuclear spin is conserved inboth the 'tight'-TS and roaming pathways. VMI images of H2 (v = 3 - 9, J = 0 -12) are collected following thephotodissociation of H2CO via the rR0(0), rR0(1), and rR1(1) transitions to the 2143 state. CO(v, J) distributionscorrelated with individual H2 (v, J) states reveal that the CO(v) rotational distributions from the 'tight'-transition state (TS) and roaming pathways are multimodal. The multimodal nature of these distributions iscaused by structure in the nuclear wave function mapping onto the product rotational distribution (i.e.rotation-reflection principle).Two roaming pathways are identified as the major pathways for the production of CO and CH4 from thephotodissociation of CH3CHO. The two components of the bimodal CO product state distribution areattributed to the H- and CH3-roaming channels. No clear signature of the 'tight'-TS channel is observed. H2 isdetected for the first time as a product of the unimolecular decay of CH3CHO in a jet. These products areassigned to the H-roaming mechanism, similar to that producing CO + CH4. This is the first example ofmultiple roaming channels on the same electronic state and of two roaming channels associated with asingle barrierless dissociation channel. The results demonstrate that roaming can be significant in chemicalreactions and outweigh traditional pathways. Advisors/Committee Members: Kable , Scott H. , Chemistry, Faculty of Science, UNSW.

Subjects/Keywords: Prototypical Dynamical Systems; Photodissociation; Aldehydes

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APA (6^th Edition):

Quinn, M. S. (2017). The photodissociation of small Aldehydes: a refined understanding of prototypical dynamical systems. (Doctoral Dissertation). University of New South Wales. Retrieved from http://handle.unsw.edu.au/1959.4/57237 ; https://unsworks.unsw.edu.au/fapi/datastream/unsworks:42935/SOURCE02?view=true

Chicago Manual of Style (16^th Edition):

Quinn, Mitchell S. “The photodissociation of small Aldehydes: a refined understanding of prototypical dynamical systems.” 2017. Doctoral Dissertation, University of New South Wales. Accessed April 17, 2021. http://handle.unsw.edu.au/1959.4/57237 ; https://unsworks.unsw.edu.au/fapi/datastream/unsworks:42935/SOURCE02?view=true.

MLA Handbook (7^th Edition):

Quinn, Mitchell S. “The photodissociation of small Aldehydes: a refined understanding of prototypical dynamical systems.” 2017. Web. 17 Apr 2021.

Vancouver:

Quinn MS. The photodissociation of small Aldehydes: a refined understanding of prototypical dynamical systems. [Internet] [Doctoral dissertation]. University of New South Wales; 2017. [cited 2021 Apr 17]. Available from: http://handle.unsw.edu.au/1959.4/57237 ; https://unsworks.unsw.edu.au/fapi/datastream/unsworks:42935/SOURCE02?view=true.

Council of Science Editors:

Quinn MS. The photodissociation of small Aldehydes: a refined understanding of prototypical dynamical systems. [Doctoral Dissertation]. University of New South Wales; 2017. Available from: http://handle.unsw.edu.au/1959.4/57237 ; https://unsworks.unsw.edu.au/fapi/datastream/unsworks:42935/SOURCE02?view=true

University of California – Berkeley

6. Harrison, Aaron Woods. Investigations of Two- and Three-Body Molecular Photodissociation Dynamics by Fast Beam Photofragment Translational Spectroscopy.

Degree: Chemistry, 2014, University of California – Berkeley

URL: http://www.escholarship.org/uc/item/1q80b8sd

► AbstractInvestigations of Two- and Three-Body Molecular Photodissociation Dynamics by Fast Beam Photofragment Translational SpectroscopybyAaron Woods HarrisonDoctor of Philosophy in ChemistryUniversity of California, BerkeleyProfessor Daniel M.… (more)

▼ AbstractInvestigations of Two- and Three-Body Molecular Photodissociation Dynamics by Fast Beam Photofragment Translational SpectroscopybyAaron Woods HarrisonDoctor of Philosophy in ChemistryUniversity of California, BerkeleyProfessor Daniel M. Neumark, ChairFast beam photofragment translational spectroscopy is used to study the two- and three-body photodissociation dynamics of neutral molecules and molecular anions. With this method, a time- and position-sensitive coincident measurement of the dissociation products is made. This allows an accurate determination of the masses and populations of the available product channels as well as the corresponding translational energy release and photofragment angular distribution. This information provides insight into the branching ratios between the product channels and the potential energy surfaces involved in the dissociation mechanism. In addition, it is possible to elucidate three-body dissociation mechanisms (concerted vs. sequential) through the use of Dalitz plot analysis. The details of the experimental apparatus are outlined in Chapter 2. Most importantly, the time- and position-sensitive detector utilized on the instrument has been recently upgraded to a delay-line detector from the previous CCD/PMT coincidence imaging detector. The principles of operation and the advantages of using this detector are discussed as well as the spatial and the translational energy resolution of the new detection system.The photodissociation of the thiophenoxy radical (Chapter 3) was studied by preparing a fast beam of the thiophenoxide anion followed by threshold photodetachment to form the neutral radical. The fragmentation of thiophenoxy was investigated at 248, 193, and 157 nm. At each wavelength, this study revealed that following absorption to an excited state, there is internal conversion to the ground state potential energy surface followed by statistical dissociation. CS loss and SH loss are found to be the major dissociation pathways with a minor contribution from S loss. Electronic strucuture and RRKM calculations are employed to support the experimental data.The three-body dissociation of ozone at 193 and 157 nm was investigated (Chapter 4). At 193 nm, this dissociation pathway is just barely accessible at this photon energy and is a relatively minor pathway (5.2(6)%). However at 157 nm, it is found that three-body dissociation constitutes 26(4)% of the total fragmentation. Dalitz plot analysis showed the three-body decay to occur through a concerted mechanism. The three-body dissociation of the ion-molecule complex I2¯(CO2) was also examined (Chapter 5). Photodissociation of this complex is initiated by excitation of the I2¯ chromophore to the repulsive A-state at 720 nm and B-state at 386 nm. The translational energy distributions showed excitation in the bending mode of CO2 photofragment and provided an accurate measurement of the CO2 binding energy (218 ± 10 meV). An asynchronous-concerted three-body dissociation mechanism was evidenced through Dalitz plot…

Subjects/Keywords: Chemistry; Dalitz; Delay-line detector; Photodissociation

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APA (6^th Edition):

Harrison, A. W. (2014). Investigations of Two- and Three-Body Molecular Photodissociation Dynamics by Fast Beam Photofragment Translational Spectroscopy. (Thesis). University of California – Berkeley. Retrieved from http://www.escholarship.org/uc/item/1q80b8sd

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):

Harrison, Aaron Woods. “Investigations of Two- and Three-Body Molecular Photodissociation Dynamics by Fast Beam Photofragment Translational Spectroscopy.” 2014. Thesis, University of California – Berkeley. Accessed April 17, 2021. http://www.escholarship.org/uc/item/1q80b8sd.

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

MLA Handbook (7^th Edition):

Harrison, Aaron Woods. “Investigations of Two- and Three-Body Molecular Photodissociation Dynamics by Fast Beam Photofragment Translational Spectroscopy.” 2014. Web. 17 Apr 2021.

Vancouver:

Harrison AW. Investigations of Two- and Three-Body Molecular Photodissociation Dynamics by Fast Beam Photofragment Translational Spectroscopy. [Internet] [Thesis]. University of California – Berkeley; 2014. [cited 2021 Apr 17]. Available from: http://www.escholarship.org/uc/item/1q80b8sd.

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

Council of Science Editors:

Harrison AW. Investigations of Two- and Three-Body Molecular Photodissociation Dynamics by Fast Beam Photofragment Translational Spectroscopy. [Thesis]. University of California – Berkeley; 2014. Available from: http://www.escholarship.org/uc/item/1q80b8sd

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

San Jose State University

7. Houck, Paul. H2O and O2 Line Emission from Star-Forming Molecular Gas: Photodissociation Regions and Shocks.

Degree: MS, Physics and Astronomy, 2011, San Jose State University

URL: https://doi.org/10.31979/etd.guk9-vkbw ; https://scholarworks.sjsu.edu/etd_theses/4054

► H₂O and O₂ have long been predicted to be major constituents of star-forming molecular gas. Line emission from these molecules are explored using the… (more)

Subjects/Keywords: Herschel; oxygen; photodissociation; shocks; spectra; star-forming

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APA (6^th Edition):

Houck, P. (2011). H2O and O2 Line Emission from Star-Forming Molecular Gas: Photodissociation Regions and Shocks. (Masters Thesis). San Jose State University. Retrieved from https://doi.org/10.31979/etd.guk9-vkbw ; https://scholarworks.sjsu.edu/etd_theses/4054

Chicago Manual of Style (16^th Edition):

Houck, Paul. “H2O and O2 Line Emission from Star-Forming Molecular Gas: Photodissociation Regions and Shocks.” 2011. Masters Thesis, San Jose State University. Accessed April 17, 2021. https://doi.org/10.31979/etd.guk9-vkbw ; https://scholarworks.sjsu.edu/etd_theses/4054.

MLA Handbook (7^th Edition):

Houck, Paul. “H2O and O2 Line Emission from Star-Forming Molecular Gas: Photodissociation Regions and Shocks.” 2011. Web. 17 Apr 2021.

Vancouver:

Houck P. H2O and O2 Line Emission from Star-Forming Molecular Gas: Photodissociation Regions and Shocks. [Internet] [Masters thesis]. San Jose State University; 2011. [cited 2021 Apr 17]. Available from: https://doi.org/10.31979/etd.guk9-vkbw ; https://scholarworks.sjsu.edu/etd_theses/4054.

Council of Science Editors:

Houck P. H2O and O2 Line Emission from Star-Forming Molecular Gas: Photodissociation Regions and Shocks. [Masters Thesis]. San Jose State University; 2011. Available from: https://doi.org/10.31979/etd.guk9-vkbw ; https://scholarworks.sjsu.edu/etd_theses/4054

8. Kawade, Monali Nitin. Photodissociation dynamics of polyatomic molecules in gas phase; -.

Degree: Chemical science, 2013, INFLIBNET

URL: http://shodhganga.inflibnet.ac.in/handle/10603/39079

None

Reference p.257 - 268

Advisors/Committee Members: Naik, P D.

Subjects/Keywords: dynamics; Photodissociation; polyatomic

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APA (6^th Edition):

Kawade, M. N. (2013). Photodissociation dynamics of polyatomic molecules in gas phase; -. (Thesis). INFLIBNET. Retrieved from http://shodhganga.inflibnet.ac.in/handle/10603/39079

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):

Kawade, Monali Nitin. “Photodissociation dynamics of polyatomic molecules in gas phase; -.” 2013. Thesis, INFLIBNET. Accessed April 17, 2021. http://shodhganga.inflibnet.ac.in/handle/10603/39079.

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

MLA Handbook (7^th Edition):

Kawade, Monali Nitin. “Photodissociation dynamics of polyatomic molecules in gas phase; -.” 2013. Web. 17 Apr 2021.

Vancouver:

Kawade MN. Photodissociation dynamics of polyatomic molecules in gas phase; -. [Internet] [Thesis]. INFLIBNET; 2013. [cited 2021 Apr 17]. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/39079.

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

Council of Science Editors:

Kawade MN. Photodissociation dynamics of polyatomic molecules in gas phase; -. [Thesis]. INFLIBNET; 2013. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/39079

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

University of Florida

9. Bailey, Laura S. Characterization of Phosphopeptides by Mass Spectrometry and Infrared Photodissociation.

Degree: PhD, Chemistry, 2019, University of Florida

URL: https://ufdc.ufl.edu/UFE0054206

► The high sensitivity and selectivity of mass spectrometry (MS) has made MS the main avenue for protein sequencing. Various activation methods, including ultraviolet (UV) and… (more)

Subjects/Keywords: cryogenics – ion-spectroscopy – mass-spectrometry – phosphopeptide – photodissociation

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APA (6^th Edition):

Bailey, L. S. (2019). Characterization of Phosphopeptides by Mass Spectrometry and Infrared Photodissociation. (Doctoral Dissertation). University of Florida. Retrieved from https://ufdc.ufl.edu/UFE0054206

Chicago Manual of Style (16^th Edition):

Bailey, Laura S. “Characterization of Phosphopeptides by Mass Spectrometry and Infrared Photodissociation.” 2019. Doctoral Dissertation, University of Florida. Accessed April 17, 2021. https://ufdc.ufl.edu/UFE0054206.

MLA Handbook (7^th Edition):

Bailey, Laura S. “Characterization of Phosphopeptides by Mass Spectrometry and Infrared Photodissociation.” 2019. Web. 17 Apr 2021.

Vancouver:

Bailey LS. Characterization of Phosphopeptides by Mass Spectrometry and Infrared Photodissociation. [Internet] [Doctoral dissertation]. University of Florida; 2019. [cited 2021 Apr 17]. Available from: https://ufdc.ufl.edu/UFE0054206.

Council of Science Editors:

Bailey LS. Characterization of Phosphopeptides by Mass Spectrometry and Infrared Photodissociation. [Doctoral Dissertation]. University of Florida; 2019. Available from: https://ufdc.ufl.edu/UFE0054206

University of Oxford

10. Campbell, Ewen K. Atomic polarisation in molecular photodissociation.

Degree: PhD, 2011, University of Oxford

URL: http://ora.ox.ac.uk/objects/uuid:d1fd3e32-62be-4154-880f-431ec6045baa ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.547451

1) species show a preference for the MJ = ±1 sub-levels. For these bands the electronic alignment is very similar to that observed in the dissociation of OCS, indicating a similar mechanism, at least in the exit channel, is responsible for the polarisation in both systems.

Subjects/Keywords: 539.6; Physical & theoretical chemistry; molecular photodissociation

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APA (6^th Edition):

Campbell, E. K. (2011). Atomic polarisation in molecular photodissociation. (Doctoral Dissertation). University of Oxford. Retrieved from http://ora.ox.ac.uk/objects/uuid:d1fd3e32-62be-4154-880f-431ec6045baa ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.547451

Chicago Manual of Style (16^th Edition):

Campbell, Ewen K. “Atomic polarisation in molecular photodissociation.” 2011. Doctoral Dissertation, University of Oxford. Accessed April 17, 2021. http://ora.ox.ac.uk/objects/uuid:d1fd3e32-62be-4154-880f-431ec6045baa ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.547451.

MLA Handbook (7^th Edition):

Campbell, Ewen K. “Atomic polarisation in molecular photodissociation.” 2011. Web. 17 Apr 2021.

Vancouver:

Campbell EK. Atomic polarisation in molecular photodissociation. [Internet] [Doctoral dissertation]. University of Oxford; 2011. [cited 2021 Apr 17]. Available from: http://ora.ox.ac.uk/objects/uuid:d1fd3e32-62be-4154-880f-431ec6045baa ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.547451.

Council of Science Editors:

Campbell EK. Atomic polarisation in molecular photodissociation. [Doctoral Dissertation]. University of Oxford; 2011. Available from: http://ora.ox.ac.uk/objects/uuid:d1fd3e32-62be-4154-880f-431ec6045baa ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.547451

University of Texas – Austin

11. -8757-3869. Mass spectrometry combined with strategic enzymatic digestion, selective derivatization and ultraviolet photodissociation for the identification and characterization of Immunoglobulin G antibodies.

Degree: PhD, Chemistry, 2016, University of Texas – Austin

URL: http://hdl.handle.net/2152/72663

► Immunoglobulin G (IgG) antibodies represent important analytical targets both for their therapeutic properties and for their critical role in the adaptive immune response. While much… (more)

▼ Immunoglobulin G (IgG) antibodies represent important analytical targets both for their therapeutic properties and for their critical role in the adaptive immune response. While much of the primary structure is conserved across the IgG class, subtle changes in amino acid sequence and the presence or absence of post-translational modifications can have a profound effect on the function and therapeutic potential of a given antibody. As such, there remains a high demand for versatile analytical tools capable of both identification and complete structural characterization of IgGs. The work presented in this dissertation largely focuses on the development of mass spectrometry-based methods for the improved analysis of antibodies. This was accomplished using strategic enzymatic Brodbeltselectivity for regions of particular diagnostic value or to facilitate comprehensive structural characterization. A method based on chromophore-mediated 351 nm UVPD was developed as a means to streamline the identification of antibodies in mixtures by enhancing selectively for the third complementarity determining region of the IgG heavy chain (CDR-H3). The hypervariable sequences within this region serve as the primary determinant of antigen binding specificity and thus provide a molecular signature by which to differentiate unique antibodies. To accomplish this, a highly conserved cysteine residue located in the framework preceding the CDR-H3 region was exploited for selective tagging with an Alexa Fluor 350 (AF350) thiol-selective maleimide. This site-specific tagging combined with strategic enzymatic digestion and 351 nm UVPD allowed selective dissociation of only AF350-labeled peptides for facile discrimination of CDR-H3 sequences within a high-throughput liquid chromatography-tandem mass spectrometry (LC-MS/MS) based workflow. Two variations of middle-down mass spectrometry based on either restricted Lys-C proteolysis or hinge-selective IdeS digestion combined with 193 nm UVPD were used for the characterization of monoclonal antibodies. Both strategies yielded considerably greater diagnostic sequence information when benchmarked against conventional collision- and electron-based activation methods. The Lys-C proteolysis method was found to have considerable implications for the analysis of serological antibody repertoires owing to its facile implementation into high-throughput proteomic workflows and ability to unambiguously differentiate unique CDR-H3 sequences. The development and implementation of a front-end dual spray reactor for high-throughput ion/ion-mediated bioconjugation is demonstrated for the enhanced structural characterization of unmodified and post-translationally modified peptide cations by 193 nm UVPD and CID. The ability to generate ion/ion complexes in real-time followed by efficient covalent conversion allowed integration of the dual spray reactor into a high-throughput LC-MS [superscript n] workflow for rapid derivatization of peptide mixtures. Advisors/Committee Members: Brodbelt, Jennifer S. (advisor), Crooks, Richard M (committee member), Georgiou, George (committee member), Webb, Lauren J (committee member), Zhang, Yan (committee member).

Subjects/Keywords: Mass spectrometry; Antibodies; IgG; Ultraviolet photodissociation

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

APA (6^th Edition):

-8757-3869. (2016). Mass spectrometry combined with strategic enzymatic digestion, selective derivatization and ultraviolet photodissociation for the identification and characterization of Immunoglobulin G antibodies. (Doctoral Dissertation). University of Texas – Austin. Retrieved from http://hdl.handle.net/2152/72663

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Chicago Manual of Style (16^th Edition):

-8757-3869. “Mass spectrometry combined with strategic enzymatic digestion, selective derivatization and ultraviolet photodissociation for the identification and characterization of Immunoglobulin G antibodies.” 2016. Doctoral Dissertation, University of Texas – Austin. Accessed April 17, 2021. http://hdl.handle.net/2152/72663.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

MLA Handbook (7^th Edition):

-8757-3869. “Mass spectrometry combined with strategic enzymatic digestion, selective derivatization and ultraviolet photodissociation for the identification and characterization of Immunoglobulin G antibodies.” 2016. Web. 17 Apr 2021.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Vancouver:

-8757-3869. Mass spectrometry combined with strategic enzymatic digestion, selective derivatization and ultraviolet photodissociation for the identification and characterization of Immunoglobulin G antibodies. [Internet] [Doctoral dissertation]. University of Texas – Austin; 2016. [cited 2021 Apr 17]. Available from: http://hdl.handle.net/2152/72663.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Council of Science Editors:

-8757-3869. Mass spectrometry combined with strategic enzymatic digestion, selective derivatization and ultraviolet photodissociation for the identification and characterization of Immunoglobulin G antibodies. [Doctoral Dissertation]. University of Texas – Austin; 2016. Available from: http://hdl.handle.net/2152/72663

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

12. -5604-9810. Advancement of photodissociation mass spectrometry methods for the analysis of protein post-translational modifications.

Degree: PhD, Chemistry, 2018, University of Texas – Austin

URL: http://hdl.handle.net/2152/68369

► Post-translational modifications (PTMs) are important for regulating protein structure and function. Despite significant progress for PTM analysis using liquid chromatography tandem mass spectrometry (LC-MS/MS), opportunities… (more)

▼ Post-translational modifications (PTMs) are important for regulating protein structure and function. Despite significant progress for PTM analysis using liquid chromatography tandem mass spectrometry (LC-MS/MS), opportunities for new method development remain. The research presented in this dissertation promotes 193 nm ultraviolet photodissociation (UVPD) as an alternative activation technique for PTM analysis with specific utility for phosphorylated and sulfated peptides. A novel de novo sequencing method with applications for unbiased PTM discovery was developed utilizing Lys-N proteolysis, N-terminal imidazolinylation, and UVPD to direct fragmentation for the formation of N-terminal ions. The N-terminal a, b, and c ions generated by UVPD were differentiated from one another by characteristic mass shifts. Sets of triplet peaks were used to distinguish N-terminal ions from confounding C-terminal ions and improve the accuracy of de novo sequencing. UVPD was evaluated for the analysis of phosphopeptide cations and anions. Negative mode analysis was advantageous for the detection of casein peptides in high phosphorylation states, while positive mode proved more robust for global phosphoproteomic analysis of HeLa and HCC70 cell lysates. Compared to collisional activation, the depth of coverage was lower using UVPD yet more extensive fragmentation and improved phosphate retention on products ions was achieved. Phosphorylation mapping by LC-UVPD-MS was carried out in the C-terminal domain (CTD) of RNA polymerase II as a function of kinase treatment, ERK2 or TFIIH, and organism, yeast or fruit fly. Single phosphorylations on Ser2 or Ser5 in the consensus heptad, YSPTSPS, were observed across all experimental conditions. Analysis of the non-consensus fruit fly CTD revealed the significance of Tyr1 and Pro residues in the +1 position relative to Ser for phosphorylation to occur. For sulfated peptides, negative mode UVPD yielded a and x ions that largely retained the labile sulfate modification, facilitating peptide sequencing and PTM localization. With appropriate MS/MS tools established, the next step towards global sulfoproteomics was the development of enrichment methods. Weak anion exchange (WAX) was applied for this purpose. Following carbamylation to neutralize primary amines which otherwise repel the anion exchanger; improved WAX retention was observed for sulfopeptides relative to a complex mixture of unmodified bovine serum albumin peptides. Advisors/Committee Members: Brodbelt, Jennifer S. (advisor), Crooks, Richard M (committee member), Dalby, Kevin N (committee member), Webb, Lauren J (committee member), Zhang, Yan J (committee member).

Subjects/Keywords: Mass spectrometry; Ultraviolet photodissociation; Proteomics; Phosphorylation; Sulfation

10 more images…

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APA (6^th Edition):

-5604-9810. (2018). Advancement of photodissociation mass spectrometry methods for the analysis of protein post-translational modifications. (Doctoral Dissertation). University of Texas – Austin. Retrieved from http://hdl.handle.net/2152/68369

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Chicago Manual of Style (16^th Edition):

-5604-9810. “Advancement of photodissociation mass spectrometry methods for the analysis of protein post-translational modifications.” 2018. Doctoral Dissertation, University of Texas – Austin. Accessed April 17, 2021. http://hdl.handle.net/2152/68369.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

MLA Handbook (7^th Edition):

-5604-9810. “Advancement of photodissociation mass spectrometry methods for the analysis of protein post-translational modifications.” 2018. Web. 17 Apr 2021.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Vancouver:

-5604-9810. Advancement of photodissociation mass spectrometry methods for the analysis of protein post-translational modifications. [Internet] [Doctoral dissertation]. University of Texas – Austin; 2018. [cited 2021 Apr 17]. Available from: http://hdl.handle.net/2152/68369.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Council of Science Editors:

-5604-9810. Advancement of photodissociation mass spectrometry methods for the analysis of protein post-translational modifications. [Doctoral Dissertation]. University of Texas – Austin; 2018. Available from: http://hdl.handle.net/2152/68369

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

13. Garcia, Leny. Développement d’une méthodologie couplant la photodissociation laser et la spectrométrie de masse haute résolution pour l’identification de nouveaux biomarqueurs : Development of a new methodology coupling photodissociation and high-resolution mass spectrometry with the aim of identifiying new biomarkers.

Degree: Docteur es, Sciences analytiques, 2017, Lyon

URL: http://www.theses.fr/2017LYSE1287

►

La spectrométrie de masse est un outil performant pour identifier des biomarqueurs protéines dans des fluides biologiques. Plusieurs modes sont accessibles dont le mode «… (more)

▼

La spectrométrie de masse est un outil performant pour identifier des biomarqueurs protéines dans des fluides biologiques. Plusieurs modes sont accessibles dont le mode « Data Independent Acquisition » (DIA), qui permet une sélection et une fragmentation exhaustive de tous les peptides détectables par l'appareillage. Cependant, ce mode génère des spectres de (co)-fragmentation très complexes rendant l'étape d'identification délicate. Pour surmonter cette limitation, nous nous sommes tournés vers une méthode d'activation des ions spécifique. La photodissociation laser (LID) à 473 nm, longueur d'onde à laquelle les peptides n'absorbent pas naturellement, a été implémentée dans un appareil Qexactive. La spécificité de fragmentation est induite après dérivation spécifique des peptides à cystéine (acide aminé rare présent globalement à 2 % mais présent dans 89 % des protéines) à l'aide d'un chromophore absorbant à 473 nm. Dans un premier temps, une bibliothèque de 354 spectres LID de peptides à cystéine dérivés a été créée pour le développement de la méthode DIA-LID. Cette méthodologie DIA-LID a ensuite été utilisée pour identifier et quantifier des biomarqueurs protéines kinases humaines putatifs endogènes au sein d'un extrait cellulaire mammaire cancéreux humain. Les comportements de fragmentation de 401 peptides à cystéine dérivés en LID à 473 nm ont également été étudiés permettant l'optimisation des méthodes d'identification et de quantification. Pour finir, une nouvelle méthodologie, intitulée C-trap-LID, a été appliquée pour repérer et extraire rapidement tous les m/z des ions précurseurs détectables par l'appareillage ayant photo-fragmentés dans une matrice complexe

Mass spectrometry is a powerful tool to detect putative proteins biomarkers in biological samples. Several methods are accessible, including Data Independent Acquisition (DIA) which allows the fragmentation of all detectable peptides in high resolution mass spectrometer. However, DIA methods are not able to exhaustively identify compounds due to the excessive complexity of fragmentation spectra of multiple precursor ions. Thus, we developed an alternative technique that adds specificity during fragmentation step to detect only a subset of peptides. We replaced the classical gas-collision fragmentation by a highly specific laser-induced photodissociation (LID) at 473 nm, for which peptides do not naturally absorb, in a Q-exactive. The specific absorption and photofragmentation is induced by grafting an adequate quenching chromophore to the thiol group of cysteine-containing peptides (a rare amino acid with a frequency of 2 % but present in 89 % of all human proteins) through a chemically controlled route. First, to develop the DIA-LID method, a spectral library including LID spectra of 354 cysteine-containing peptides was built. Then, this methodology was used to identify and quantify putative human protein kinases biomarkers in human cancerous mammalian cells. Simultaneously the fragmentation behavior of 401 derivatized cysteine-containing peptides…

Advisors/Committee Members: Lemoine, Jérôme (thesis director), Girod, Marion (thesis director).

Subjects/Keywords: Spectrométrie de masse; Protéomique; Biomarqueur; Kinases; Photodissociation laser; Mass spectrometry; Proteomics; Biomarkers; Kinases; Photodissociation; 540

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

APA (6^th Edition):

Garcia, L. (2017). Développement d’une méthodologie couplant la photodissociation laser et la spectrométrie de masse haute résolution pour l’identification de nouveaux biomarqueurs : Development of a new methodology coupling photodissociation and high-resolution mass spectrometry with the aim of identifiying new biomarkers. (Doctoral Dissertation). Lyon. Retrieved from http://www.theses.fr/2017LYSE1287

Chicago Manual of Style (16^th Edition):

Garcia, Leny. “Développement d’une méthodologie couplant la photodissociation laser et la spectrométrie de masse haute résolution pour l’identification de nouveaux biomarqueurs : Development of a new methodology coupling photodissociation and high-resolution mass spectrometry with the aim of identifiying new biomarkers.” 2017. Doctoral Dissertation, Lyon. Accessed April 17, 2021. http://www.theses.fr/2017LYSE1287.

MLA Handbook (7^th Edition):

Garcia, Leny. “Développement d’une méthodologie couplant la photodissociation laser et la spectrométrie de masse haute résolution pour l’identification de nouveaux biomarqueurs : Development of a new methodology coupling photodissociation and high-resolution mass spectrometry with the aim of identifiying new biomarkers.” 2017. Web. 17 Apr 2021.

Vancouver:

Garcia L. Développement d’une méthodologie couplant la photodissociation laser et la spectrométrie de masse haute résolution pour l’identification de nouveaux biomarqueurs : Development of a new methodology coupling photodissociation and high-resolution mass spectrometry with the aim of identifiying new biomarkers. [Internet] [Doctoral dissertation]. Lyon; 2017. [cited 2021 Apr 17]. Available from: http://www.theses.fr/2017LYSE1287.

Council of Science Editors:

Garcia L. Développement d’une méthodologie couplant la photodissociation laser et la spectrométrie de masse haute résolution pour l’identification de nouveaux biomarqueurs : Development of a new methodology coupling photodissociation and high-resolution mass spectrometry with the aim of identifiying new biomarkers. [Doctoral Dissertation]. Lyon; 2017. Available from: http://www.theses.fr/2017LYSE1287

University of Georgia

14. Grieves, Gregory Alan. Photodissociation studies of gas phase metal ion-molecule complexes.

Degree: 2014, University of Georgia

URL: http://hdl.handle.net/10724/20792

► A survey of metal ion-molecule complexes produced by pulsed laser vaporization and studied in the gas phase is presented. The technique of laser vaporization is… (more)

Subjects/Keywords: Laser vaporization; Metal clusters; Metal ion solvation; Resonance; Enhanced Photodissociation Spectroscopy; REPD; Infrared Photodissociation

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

APA (6^th Edition):

Grieves, G. A. (2014). Photodissociation studies of gas phase metal ion-molecule complexes. (Thesis). University of Georgia. Retrieved from http://hdl.handle.net/10724/20792

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):

Grieves, Gregory Alan. “Photodissociation studies of gas phase metal ion-molecule complexes.” 2014. Thesis, University of Georgia. Accessed April 17, 2021. http://hdl.handle.net/10724/20792.

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

MLA Handbook (7^th Edition):

Grieves, Gregory Alan. “Photodissociation studies of gas phase metal ion-molecule complexes.” 2014. Web. 17 Apr 2021.

Vancouver:

Grieves GA. Photodissociation studies of gas phase metal ion-molecule complexes. [Internet] [Thesis]. University of Georgia; 2014. [cited 2021 Apr 17]. Available from: http://hdl.handle.net/10724/20792.

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

Council of Science Editors:

Grieves GA. Photodissociation studies of gas phase metal ion-molecule complexes. [Thesis]. University of Georgia; 2014. Available from: http://hdl.handle.net/10724/20792

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

Université de Bordeaux I

15. Arbelo Gonzalez, Wilmer. Nouvelles perspectives dans les traitements classique et semiclassique de la dynamique réactionnelle : New insights into the classical and semiclassical treatments of chemical reaction dynamics.

Degree: Docteur es, Chimie-Physique, 2013, Université de Bordeaux I

URL: http://www.theses.fr/2013BOR14668

►

La théorie de la dynamique des processus chimiques élementaires cherche à décrire quantitativement les collisions réactives à l'échelle atomique. Les mouvements des noyaux étant extrêmement… (more)

Subjects/Keywords: Dynamique réactionnelle; Approche semi-classique; Photodissociation; Distribution de Wigner; Chemical reaction dynamics; Semi-classical approach; Photodissociation; Wigner distribution function

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APA (6^th Edition):

Arbelo Gonzalez, W. (2013). Nouvelles perspectives dans les traitements classique et semiclassique de la dynamique réactionnelle : New insights into the classical and semiclassical treatments of chemical reaction dynamics. (Doctoral Dissertation). Université de Bordeaux I. Retrieved from http://www.theses.fr/2013BOR14668

Chicago Manual of Style (16^th Edition):

Arbelo Gonzalez, Wilmer. “Nouvelles perspectives dans les traitements classique et semiclassique de la dynamique réactionnelle : New insights into the classical and semiclassical treatments of chemical reaction dynamics.” 2013. Doctoral Dissertation, Université de Bordeaux I. Accessed April 17, 2021. http://www.theses.fr/2013BOR14668.

MLA Handbook (7^th Edition):

Arbelo Gonzalez, Wilmer. “Nouvelles perspectives dans les traitements classique et semiclassique de la dynamique réactionnelle : New insights into the classical and semiclassical treatments of chemical reaction dynamics.” 2013. Web. 17 Apr 2021.

Vancouver:

Arbelo Gonzalez W. Nouvelles perspectives dans les traitements classique et semiclassique de la dynamique réactionnelle : New insights into the classical and semiclassical treatments of chemical reaction dynamics. [Internet] [Doctoral dissertation]. Université de Bordeaux I; 2013. [cited 2021 Apr 17]. Available from: http://www.theses.fr/2013BOR14668.

Council of Science Editors:

Arbelo Gonzalez W. Nouvelles perspectives dans les traitements classique et semiclassique de la dynamique réactionnelle : New insights into the classical and semiclassical treatments of chemical reaction dynamics. [Doctoral Dissertation]. Université de Bordeaux I; 2013. Available from: http://www.theses.fr/2013BOR14668

16. Ndengue, Steve. Photodissociation de l'ozone : sélectivité isotopique : Ozone photodissociation : isotopic selectivity.

Degree: Docteur es, Physique de la matière condensée et du rayonnement, 2011, Grenoble; Université de Douala

URL: http://www.theses.fr/2011GRENY074

►

L'anomalie isotopique de l'ozone observée au début des années 1980 a été la première manifestation de fractionnement isotopique indépendant de la masse d'origine chimique. Attribuée… (more)

Subjects/Keywords: Ozone; Photodissociation; Sections Efficaces d'Absorption Vis-UV; Photochimie Atmosphérique; Ozone; Photodissociation; Vis-UV Absorption Cross Section; Atmospheric Photochemistry; 530

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

APA (6^th Edition):

Ndengue, S. (2011). Photodissociation de l'ozone : sélectivité isotopique : Ozone photodissociation : isotopic selectivity. (Doctoral Dissertation). Grenoble; Université de Douala. Retrieved from http://www.theses.fr/2011GRENY074

Chicago Manual of Style (16^th Edition):

Ndengue, Steve. “Photodissociation de l'ozone : sélectivité isotopique : Ozone photodissociation : isotopic selectivity.” 2011. Doctoral Dissertation, Grenoble; Université de Douala. Accessed April 17, 2021. http://www.theses.fr/2011GRENY074.

MLA Handbook (7^th Edition):

Ndengue, Steve. “Photodissociation de l'ozone : sélectivité isotopique : Ozone photodissociation : isotopic selectivity.” 2011. Web. 17 Apr 2021.

Vancouver:

Ndengue S. Photodissociation de l'ozone : sélectivité isotopique : Ozone photodissociation : isotopic selectivity. [Internet] [Doctoral dissertation]. Grenoble; Université de Douala; 2011. [cited 2021 Apr 17]. Available from: http://www.theses.fr/2011GRENY074.

Council of Science Editors:

Ndengue S. Photodissociation de l'ozone : sélectivité isotopique : Ozone photodissociation : isotopic selectivity. [Doctoral Dissertation]. Grenoble; Université de Douala; 2011. Available from: http://www.theses.fr/2011GRENY074

University of Georgia

17. Carnegie, Prosser DeVane. Infrared photodissociation spectroscopic studies on the solvation of metal cations.

Degree: 2014, University of Georgia

URL: http://hdl.handle.net/10724/24848

► Metal cation water complexes are generated by a laser vaporization of a metal rod coupled to a supersonic expansion. The ions are then analyzed with… (more)

Subjects/Keywords: Spectroscopy; Metal ion solvation; Ion chemistry; Infrared; Photodissociation; Condensation reactions; Photodissociation; Density functional theory; Solution chemistry

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APA (6^th Edition):

Carnegie, P. D. (2014). Infrared photodissociation spectroscopic studies on the solvation of metal cations. (Thesis). University of Georgia. Retrieved from http://hdl.handle.net/10724/24848

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):

Carnegie, Prosser DeVane. “Infrared photodissociation spectroscopic studies on the solvation of metal cations.” 2014. Thesis, University of Georgia. Accessed April 17, 2021. http://hdl.handle.net/10724/24848.

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

MLA Handbook (7^th Edition):

Carnegie, Prosser DeVane. “Infrared photodissociation spectroscopic studies on the solvation of metal cations.” 2014. Web. 17 Apr 2021.

Vancouver:

Carnegie PD. Infrared photodissociation spectroscopic studies on the solvation of metal cations. [Internet] [Thesis]. University of Georgia; 2014. [cited 2021 Apr 17]. Available from: http://hdl.handle.net/10724/24848.

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

Council of Science Editors:

Carnegie PD. Infrared photodissociation spectroscopic studies on the solvation of metal cations. [Thesis]. University of Georgia; 2014. Available from: http://hdl.handle.net/10724/24848

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

NSYSU

18. Lai, Shih-ying. Optical-optical double resonance spectroscopy of photo-generated CN radicals.

Degree: Master, Chemistry, 2013, NSYSU

URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0618113-111542

► The optical-optical double resonance spectroscopic technique was employed to investigate CN photofragments from ICN photodissociation at 266 nm. The electronic spectroscopy (B â A â… (more)

Subjects/Keywords: optical-optical double resonance; photodissociation; CN radicals; rotational constant; spectroscopy

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APA (6^th Edition):

Lai, S. (2013). Optical-optical double resonance spectroscopy of photo-generated CN radicals. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0618113-111542

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):

Lai, Shih-ying. “Optical-optical double resonance spectroscopy of photo-generated CN radicals.” 2013. Thesis, NSYSU. Accessed April 17, 2021. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0618113-111542.

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

MLA Handbook (7^th Edition):

Lai, Shih-ying. “Optical-optical double resonance spectroscopy of photo-generated CN radicals.” 2013. Web. 17 Apr 2021.

Vancouver:

Lai S. Optical-optical double resonance spectroscopy of photo-generated CN radicals. [Internet] [Thesis]. NSYSU; 2013. [cited 2021 Apr 17]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0618113-111542.

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

Council of Science Editors:

Lai S. Optical-optical double resonance spectroscopy of photo-generated CN radicals. [Thesis]. NSYSU; 2013. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0618113-111542

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

NSYSU

19. Chiu, Pei-lun. Imaging photodissociation of ICN: Employing the Method of Fluorescense Imaging by Sliced Microscopy.

Degree: Master, Chemistry, 2007, NSYSU

URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0117107-165318

none Advisors/Committee Members: Chao-Ming Chiang (chair), Tsai-Chuan Wen (chair), Kuo-Mei Chen (committee member).

Subjects/Keywords: Fluorescense; ICN; Sliced Microscopy; photodissociation

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APA (6^th Edition):

Chiu, P. (2007). Imaging photodissociation of ICN: Employing the Method of Fluorescense Imaging by Sliced Microscopy. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0117107-165318

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):

Chiu, Pei-lun. “Imaging photodissociation of ICN: Employing the Method of Fluorescense Imaging by Sliced Microscopy.” 2007. Thesis, NSYSU. Accessed April 17, 2021. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0117107-165318.

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

MLA Handbook (7^th Edition):

Chiu, Pei-lun. “Imaging photodissociation of ICN: Employing the Method of Fluorescense Imaging by Sliced Microscopy.” 2007. Web. 17 Apr 2021.

Vancouver:

Chiu P. Imaging photodissociation of ICN: Employing the Method of Fluorescense Imaging by Sliced Microscopy. [Internet] [Thesis]. NSYSU; 2007. [cited 2021 Apr 17]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0117107-165318.

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

Council of Science Editors:

Chiu P. Imaging photodissociation of ICN: Employing the Method of Fluorescense Imaging by Sliced Microscopy. [Thesis]. NSYSU; 2007. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0117107-165318

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

NSYSU

20. Yang, Tsung-hang. Vector correlations in the photodissociation of ICN at 266 nm.

Degree: Master, Chemistry, 2012, NSYSU

URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0803112-141040

► The photodissociation dynamics of cyanogen iodide (ICN) in the A continuum was studied by the three-dimensional sliced fluorescence imaging (3DSFI) method. The fourth harmonic of… (more)

Subjects/Keywords: fluorescence imaging; optical-optical double resonance; photodissociation; vector correlations

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APA (6^th Edition):

Yang, T. (2012). Vector correlations in the photodissociation of ICN at 266 nm. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0803112-141040

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):

Yang, Tsung-hang. “Vector correlations in the photodissociation of ICN at 266 nm.” 2012. Thesis, NSYSU. Accessed April 17, 2021. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0803112-141040.

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

MLA Handbook (7^th Edition):

Yang, Tsung-hang. “Vector correlations in the photodissociation of ICN at 266 nm.” 2012. Web. 17 Apr 2021.

Vancouver:

Yang T. Vector correlations in the photodissociation of ICN at 266 nm. [Internet] [Thesis]. NSYSU; 2012. [cited 2021 Apr 17]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0803112-141040.

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

Council of Science Editors:

Yang T. Vector correlations in the photodissociation of ICN at 266 nm. [Thesis]. NSYSU; 2012. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0803112-141040

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

University of California – Berkeley

21. Negru, Bogdan. Photodissociaion Dynamics of Neutral Free Radicals.

Degree: Chemistry, 2012, University of California – Berkeley

URL: http://www.escholarship.org/uc/item/3bx6v3r5

► Photofragment translational spectroscopy was used to study the photodissociation dynamics of the phenyl and tert-butyl radicals. These radicals were produced in a collisionless environment from… (more)

Subjects/Keywords: Chemistry; Physical chemistry; Dynamics; Neutral Radicals; Photodissociation; Photofragment; Spectroscopy

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APA (6^th Edition):

Negru, B. (2012). Photodissociaion Dynamics of Neutral Free Radicals. (Thesis). University of California – Berkeley. Retrieved from http://www.escholarship.org/uc/item/3bx6v3r5

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):

Negru, Bogdan. “Photodissociaion Dynamics of Neutral Free Radicals.” 2012. Thesis, University of California – Berkeley. Accessed April 17, 2021. http://www.escholarship.org/uc/item/3bx6v3r5.

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

MLA Handbook (7^th Edition):

Negru, Bogdan. “Photodissociaion Dynamics of Neutral Free Radicals.” 2012. Web. 17 Apr 2021.

Vancouver:

Negru B. Photodissociaion Dynamics of Neutral Free Radicals. [Internet] [Thesis]. University of California – Berkeley; 2012. [cited 2021 Apr 17]. Available from: http://www.escholarship.org/uc/item/3bx6v3r5.

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

Council of Science Editors:

Negru B. Photodissociaion Dynamics of Neutral Free Radicals. [Thesis]. University of California – Berkeley; 2012. Available from: http://www.escholarship.org/uc/item/3bx6v3r5

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

University of California – Berkeley

22. Cole-Filipiak, Neil Charles. Production and Photodissociation of Neutral Free Radicals.

Degree: Chemistry, 2015, University of California – Berkeley

URL: http://www.escholarship.org/uc/item/61v7c7n0

► The primary photochemistry of several combustion-relevant free radicals have been in- vestigated via photofragment translational spectroscopy. The relevance of radical photo- chemistry will be discussed,… (more)

Subjects/Keywords: Chemistry; Physical chemistry; ionization; photochemistry; photodissociation; pyrolysis; radical

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APA (6^th Edition):

Cole-Filipiak, N. C. (2015). Production and Photodissociation of Neutral Free Radicals. (Thesis). University of California – Berkeley. Retrieved from http://www.escholarship.org/uc/item/61v7c7n0

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):

Cole-Filipiak, Neil Charles. “Production and Photodissociation of Neutral Free Radicals.” 2015. Thesis, University of California – Berkeley. Accessed April 17, 2021. http://www.escholarship.org/uc/item/61v7c7n0.

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

MLA Handbook (7^th Edition):

Cole-Filipiak, Neil Charles. “Production and Photodissociation of Neutral Free Radicals.” 2015. Web. 17 Apr 2021.

Vancouver:

Cole-Filipiak NC. Production and Photodissociation of Neutral Free Radicals. [Internet] [Thesis]. University of California – Berkeley; 2015. [cited 2021 Apr 17]. Available from: http://www.escholarship.org/uc/item/61v7c7n0.

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

Council of Science Editors:

Cole-Filipiak NC. Production and Photodissociation of Neutral Free Radicals. [Thesis]. University of California – Berkeley; 2015. Available from: http://www.escholarship.org/uc/item/61v7c7n0

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

University of California – Berkeley

23. Crider, Paul. Fast Beam Investigations of Two- and Three-Body Photodissociation by Time- and Position-Coincidence Imaging.

Degree: Chemistry, 2010, University of California – Berkeley

URL: http://www.escholarship.org/uc/item/3n90z0zq

► Fast beam photofragment translational spectroscopy has been used to elucidate the photodissociation dynamics of small radicals and closed-shell anions. Imaging of photofragments in time- and… (more)

Subjects/Keywords: Chemistry; photodissociation; radical; three-body dissociation; translational spectroscopy

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APA (6^th Edition):

Crider, P. (2010). Fast Beam Investigations of Two- and Three-Body Photodissociation by Time- and Position-Coincidence Imaging. (Thesis). University of California – Berkeley. Retrieved from http://www.escholarship.org/uc/item/3n90z0zq

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):

Crider, Paul. “Fast Beam Investigations of Two- and Three-Body Photodissociation by Time- and Position-Coincidence Imaging.” 2010. Thesis, University of California – Berkeley. Accessed April 17, 2021. http://www.escholarship.org/uc/item/3n90z0zq.

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

MLA Handbook (7^th Edition):

Crider, Paul. “Fast Beam Investigations of Two- and Three-Body Photodissociation by Time- and Position-Coincidence Imaging.” 2010. Web. 17 Apr 2021.

Vancouver:

Crider P. Fast Beam Investigations of Two- and Three-Body Photodissociation by Time- and Position-Coincidence Imaging. [Internet] [Thesis]. University of California – Berkeley; 2010. [cited 2021 Apr 17]. Available from: http://www.escholarship.org/uc/item/3n90z0zq.

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

Council of Science Editors:

Crider P. Fast Beam Investigations of Two- and Three-Body Photodissociation by Time- and Position-Coincidence Imaging. [Thesis]. University of California – Berkeley; 2010. Available from: http://www.escholarship.org/uc/item/3n90z0zq

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

Texas A&M University

24. Warter, Michelle L. The "Odd" Behavior of Ozone Photodissociation.

Degree: PhD, Chemistry, 2016, Texas A&M University

URL: http://hdl.handle.net/1969.1/158039

► The dissociation dynamics of ozone photolysis in the Hartley band have been studied to help uncover the origin of the rotational population alternation. Velocity map… (more)

▼ The dissociation dynamics of ozone photolysis in the Hartley band have been studied to help uncover the origin of the rotational population alternation. Velocity map ion imaging experiments have been performed on the dissociation of ozone at 248, 266 and 282 nm. Rotational distributions and vector correlations for the O2 (a ¹Δg) fragment have been measured to elucidate the origin of the observed even/odd J state population alternation. The population alternation is considerably stronger for jet-cooled ozone than the previous measurements at 300 K. The alternation is dependent on J state, i.e., it is weaker at the high and low sides of the rotational distribution, but the alternation is not greatly dependent on photolysis wavelength or O2 vibrational state. A simple curve crossing model has been used to explain the alternation. The difference in temperature between the previous and current experiments has led to the study of the parent internal energy effects on the alternation. The even/odd alternation is clearly present for a 60 ±10 K beam, but is not observed when the beam temperature reaches 200 ±20 K. This is direct evidence that the parent internal energy must be taken into account to explain the origin of the alternation and is inconsistent with a simple curve crossing model. The dissociation dynamics have also been studied to help determine if the odd and even J states arise from different dissociation pathways. The correlation between fragment velocity and rotational angular momentum, the v-J correlation, has been obtained, and no difference in the v-J correlation is observed between the even and odd J states. A previous research group has reported differences between the even and odd states for a 140 K beam, and the difference was shown to be dependent on fragment speed. Since no alternation is present for the 60 K beam, this indicates that the alternation of the v-J correlation may also be dependent on parent internal energy. The spatial anisotropy, the μ-v correlation, showed no alternation in both the current and previous results. It has been shown that the odd J state population increases with increasing parent internal energy, so the odd states may preferentially arise from parent molecules with out-of-plane rotational motion. When the internal energy of ozone is increased, the out-of-plane motion becomes more significant and produces more odd states. A consequence of this is that the out-of-plane motion will depolarize the v-J correlation more than the in-plane parent rotation, but it will not affect the μ-v correlation. Therefore, it would be expected that if the odd states are associated with rotationally excited parent molecules, the v-J would be more depolarized compared to the even states, but the spatial anisotropy would be the same for both states. Advisors/Committee Members: North, Simon W (advisor), Wheeler, Steven E (committee member), Russell, David H (committee member), Welch, George R (committee member).

Subjects/Keywords: Ozone; Photodissociation; Molecular Beam; Velocity Map Ion Imaging

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APA (6^th Edition):

Warter, M. L. (2016). The "Odd" Behavior of Ozone Photodissociation. (Doctoral Dissertation). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/158039

Chicago Manual of Style (16^th Edition):

Warter, Michelle L. “The "Odd" Behavior of Ozone Photodissociation.” 2016. Doctoral Dissertation, Texas A&M University. Accessed April 17, 2021. http://hdl.handle.net/1969.1/158039.

MLA Handbook (7^th Edition):

Warter, Michelle L. “The "Odd" Behavior of Ozone Photodissociation.” 2016. Web. 17 Apr 2021.

Vancouver:

Warter ML. The "Odd" Behavior of Ozone Photodissociation. [Internet] [Doctoral dissertation]. Texas A&M University; 2016. [cited 2021 Apr 17]. Available from: http://hdl.handle.net/1969.1/158039.

Council of Science Editors:

Warter ML. The "Odd" Behavior of Ozone Photodissociation. [Doctoral Dissertation]. Texas A&M University; 2016. Available from: http://hdl.handle.net/1969.1/158039

Texas A&M University

25. Kaya, Necati. Filamantation and White Light Generation with Spatially and Temporally Controlled Femtosecond Radiation.

Degree: PhD, Physics, 2014, Texas A&M University

URL: http://hdl.handle.net/1969.1/153925

► Present laser technology allows the production of ultrashort and intense laser pulses. When matter is exposed to the laser field of such pulses, it exhibits… (more)

Subjects/Keywords: Holography, white light generation; filamentation; photodissociation; ultrashort and intense laser pulses

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APA (6^th Edition):

Kaya, N. (2014). Filamantation and White Light Generation with Spatially and Temporally Controlled Femtosecond Radiation. (Doctoral Dissertation). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/153925

Chicago Manual of Style (16^th Edition):

Kaya, Necati. “Filamantation and White Light Generation with Spatially and Temporally Controlled Femtosecond Radiation.” 2014. Doctoral Dissertation, Texas A&M University. Accessed April 17, 2021. http://hdl.handle.net/1969.1/153925.

MLA Handbook (7^th Edition):

Kaya, Necati. “Filamantation and White Light Generation with Spatially and Temporally Controlled Femtosecond Radiation.” 2014. Web. 17 Apr 2021.

Vancouver:

Kaya N. Filamantation and White Light Generation with Spatially and Temporally Controlled Femtosecond Radiation. [Internet] [Doctoral dissertation]. Texas A&M University; 2014. [cited 2021 Apr 17]. Available from: http://hdl.handle.net/1969.1/153925.

Council of Science Editors:

Kaya N. Filamantation and White Light Generation with Spatially and Temporally Controlled Femtosecond Radiation. [Doctoral Dissertation]. Texas A&M University; 2014. Available from: http://hdl.handle.net/1969.1/153925

Texas A&M University

26. Kmiec, Kevin. Factors Affecting the Fragmentation of Peptide Ions: Metal Cationization and Fragmentation Timescale.

Degree: PhD, Chemistry, 2012, Texas A&M University

URL: http://hdl.handle.net/1969.1/ETD-TAMU-2012-08-11243

► The factors affecting peptide fragmentation have been extensively studied in the literature in order to better predict the fragment ion spectra of peptides and proteins.… (more)

▼ The factors affecting peptide fragmentation have been extensively studied in the literature in order to better predict the fragment ion spectra of peptides and proteins. While there are countless influences to consider, metal cation binding in the gas-phase is particularly interesting. Herein, a comparison of fragmentation patterns of a model peptide series with various charge carriers (H+, Li+, Na+, K+, and Cu+) will assist in determining the location of the preferred binding site of the metal cation and in assessing differences in the fragmentation pattern as a result of this binding site. An interesting observation from these studies reveals abundant x-type fragment ions occurring from the fragmentation of alkali-metal cationized peptides. As these fragment ions have been observed in previous studies by others but not addressed, the factors affecting the formation of these x-type fragment ions are explored. Additionally, a home-built 193-nm photodissociation tandem time-of-flight mass spectrometer is utilized to study how peptide fragmentation kinetics affect the fragmentation pattern observed. Initially, the fragmentation timescales of various peptides are investigated. Results indicate that longer fragmentation timescales (~10 microseconds) result in an increased number of identified peaks with internal and ammonia loss fragment ions being the most common in comparison to 'prompt' fragmentation timescales (~1 microsecond). Furthermore, b-type fragment ion formation is also favored at longer timescales for the arginine containing peptides investigated. The fragmentation pattern of several proline containing peptides is examined by collision-induced dissociation and 193-nm photodissociation. Unique fragment ions are observed with each occurring at a proline residue. Few differences are detected between CID and 193-nm photodissociation spectra, indicating that the proline residues direct fragmentation rather than the dissociation method. In an effort to improve the performance of the photodissociation tandem TOF instrument, the addition of a second source and a dual-stage reflectron are incorporated. The modifications result in improved mass range, signal-to-noise, and increased fragment ion collection efficiencies. High quality mass spectra are acquired across a range of mass-to-charge ratios from ~600 to 1900. Furthermore, the modifications continue to allow investigation of various fragmentation timescales with the addition of an additional timeframe of ~3 microseconds. Advisors/Committee Members: Russell, David H. (advisor), Hardin, Paul E. (committee member), North, Simon W. (committee member), Schweikert, Emile A. (committee member).

Subjects/Keywords: mass spectrometry; peptides; fragmentation; photodissociation; tandem MS; metal cationization

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APA (6^th Edition):

Kmiec, K. (2012). Factors Affecting the Fragmentation of Peptide Ions: Metal Cationization and Fragmentation Timescale. (Doctoral Dissertation). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/ETD-TAMU-2012-08-11243

Chicago Manual of Style (16^th Edition):

Kmiec, Kevin. “Factors Affecting the Fragmentation of Peptide Ions: Metal Cationization and Fragmentation Timescale.” 2012. Doctoral Dissertation, Texas A&M University. Accessed April 17, 2021. http://hdl.handle.net/1969.1/ETD-TAMU-2012-08-11243.

MLA Handbook (7^th Edition):

Kmiec, Kevin. “Factors Affecting the Fragmentation of Peptide Ions: Metal Cationization and Fragmentation Timescale.” 2012. Web. 17 Apr 2021.

Vancouver:

Kmiec K. Factors Affecting the Fragmentation of Peptide Ions: Metal Cationization and Fragmentation Timescale. [Internet] [Doctoral dissertation]. Texas A&M University; 2012. [cited 2021 Apr 17]. Available from: http://hdl.handle.net/1969.1/ETD-TAMU-2012-08-11243.

Council of Science Editors:

Kmiec K. Factors Affecting the Fragmentation of Peptide Ions: Metal Cationization and Fragmentation Timescale. [Doctoral Dissertation]. Texas A&M University; 2012. Available from: http://hdl.handle.net/1969.1/ETD-TAMU-2012-08-11243

University of Wollongong

27. Pham, Huong Thu. Differentiation of isomeric lipids using novel ion activation methods in mass spectrometry.

Degree: Doctor of Philosophy, 2013, University of Wollongong

URL: 0301 ANALYTICAL CHEMISTRY, 0306 PHYSICAL CHEMISTRY (INCL. STRUCTURAL) ; https://ro.uow.edu.au/theses/3877

► Lipids serve numerous cellular functions that are essential to the survival of species ranging from the smallest micro-organisms to the largest plants and the… (more)

▼ Lipids serve numerous cellular functions that are essential to the survival of species ranging from the smallest micro-organisms to the largest plants and the most highly evolved animals. In all cases, the ability of an individual lipid (or a class of lipids) to perform its biochemical role is dependent on its molecular structure. As a result, small alterations in the chemical structures of lipids can change their physical and biochemical properties, and thus affect their roles within a living organism. Extensive work on the relationship between lipid bio-activity and molecular structure points to the importance of acyl chain length, relative acyl chain position (i.e., sn-position), chain branching, location and even stereochemistry of carbon-carbon double bonds (i.e., cis versus trans). It is becoming increasingly apparent therefore, that detailed molecular structure elucidation of lipids is critical to informing our understanding of both their structural and signaling functions. Contemporary lipidomics protocols rely on tandem mass spectrometry and in particular collision-induced dissociation (CID) of even-electron ions. While these approaches are powerful for determining lipid class and identifying the number of carbons and the degree of unsaturation of any acyl chain substituents, they are typically blind to isomeric variants arising from different carbon-carbon bonding motifs within these chains, including double bond position, chain branching and cyclic structures. In this work, we have reviewed the current mass spectrometrybased methods for structural characterisation and investigated some alternative ion activation methods directed toward the complete structure elucidation of lipids. Ozone-induced dissociation (OzID) was previously developed in our laboratory for localisation of carbon-carbon double bonds by utilising the gas phase ion-molecule reaction between ionised unsaturated lipids and ozone in an ion-trap mass spectrometer. Herein, we evaluated the performance of OzID for both structural elucidation and selective detection of conjugated carbon-carbon double bond motifs within lipids. Strikingly, conjugated lipids were found to react up to one hundred times faster than a comparable non-conjugated isomer for any given metal adduct ion. In addition, ozonolysis of each conjugated isomer was found to yield a unique radical ion that was associated with the position of the conjugated diene motif. This phenomenon has been exploited to undertake neutral-loss (NL) scans on a triple…

Subjects/Keywords: lipids; ozonolysis; conjugated double bonds; radical fragmentation; photodissociation

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APA (6^th Edition):

Pham, H. T. (2013). Differentiation of isomeric lipids using novel ion activation methods in mass spectrometry. (Doctoral Dissertation). University of Wollongong. Retrieved from 0301 ANALYTICAL CHEMISTRY, 0306 PHYSICAL CHEMISTRY (INCL. STRUCTURAL) ; https://ro.uow.edu.au/theses/3877

Chicago Manual of Style (16^th Edition):

Pham, Huong Thu. “Differentiation of isomeric lipids using novel ion activation methods in mass spectrometry.” 2013. Doctoral Dissertation, University of Wollongong. Accessed April 17, 2021. 0301 ANALYTICAL CHEMISTRY, 0306 PHYSICAL CHEMISTRY (INCL. STRUCTURAL) ; https://ro.uow.edu.au/theses/3877.

MLA Handbook (7^th Edition):

Pham, Huong Thu. “Differentiation of isomeric lipids using novel ion activation methods in mass spectrometry.” 2013. Web. 17 Apr 2021.

Vancouver:

Pham HT. Differentiation of isomeric lipids using novel ion activation methods in mass spectrometry. [Internet] [Doctoral dissertation]. University of Wollongong; 2013. [cited 2021 Apr 17]. Available from: 0301 ANALYTICAL CHEMISTRY, 0306 PHYSICAL CHEMISTRY (INCL. STRUCTURAL) ; https://ro.uow.edu.au/theses/3877.

Council of Science Editors:

Pham HT. Differentiation of isomeric lipids using novel ion activation methods in mass spectrometry. [Doctoral Dissertation]. University of Wollongong; 2013. Available from: 0301 ANALYTICAL CHEMISTRY, 0306 PHYSICAL CHEMISTRY (INCL. STRUCTURAL) ; https://ro.uow.edu.au/theses/3877

University of Wollongong

28. Hansen, Christopher S. Ultraviolet photodissociation of protonated pyridine derivatives: action spectroscopy and mass spectrometry.

Degree: PhD, 2016, University of Wollongong

URL: 030606 Structural Chemistry and Spectroscopy ; https://ro.uow.edu.au/theses/4665

This thesis describes the development and benchmarking of photodissociation action spectroscopy instrumentation bringing together a commercial linear ion trap mass spectrometer and multiple pulsed laser systems. The focus of the thesis is then a study of the spectroscopy and photochemistry of gas-phase protonated pyridine derivatives using this instrumentation.

Subjects/Keywords: Electronic spectroscopy; action spectroscopy; photochemistry; photodissociation; ions; nitrogen heterocycles

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APA (6^th Edition):

Hansen, C. S. (2016). Ultraviolet photodissociation of protonated pyridine derivatives: action spectroscopy and mass spectrometry. (Doctoral Dissertation). University of Wollongong. Retrieved from 030606 Structural Chemistry and Spectroscopy ; https://ro.uow.edu.au/theses/4665

Chicago Manual of Style (16^th Edition):

Hansen, Christopher S. “Ultraviolet photodissociation of protonated pyridine derivatives: action spectroscopy and mass spectrometry.” 2016. Doctoral Dissertation, University of Wollongong. Accessed April 17, 2021. 030606 Structural Chemistry and Spectroscopy ; https://ro.uow.edu.au/theses/4665.

MLA Handbook (7^th Edition):

Hansen, Christopher S. “Ultraviolet photodissociation of protonated pyridine derivatives: action spectroscopy and mass spectrometry.” 2016. Web. 17 Apr 2021.

Vancouver:

Hansen CS. Ultraviolet photodissociation of protonated pyridine derivatives: action spectroscopy and mass spectrometry. [Internet] [Doctoral dissertation]. University of Wollongong; 2016. [cited 2021 Apr 17]. Available from: 030606 Structural Chemistry and Spectroscopy ; https://ro.uow.edu.au/theses/4665.

Council of Science Editors:

Hansen CS. Ultraviolet photodissociation of protonated pyridine derivatives: action spectroscopy and mass spectrometry. [Doctoral Dissertation]. University of Wollongong; 2016. Available from: 030606 Structural Chemistry and Spectroscopy ; https://ro.uow.edu.au/theses/4665

Wayne State University

29. Gichuhi, Wilson Kamundia. Astrochemical dynamics: Fundamental studies relevant to titan's atmosphere.

Degree: PhD, Chemistry, 2011, Wayne State University

URL: https://digitalcommons.wayne.edu/oa_dissertations/274

► This work presents results of primary fundamental photodissociation and state-specific ion-molecule dynamical studies that are relevant to understanding the formation and growth mechanisms of… (more)

Subjects/Keywords: ion-molecule; photodissociation; state-specific; Titan; Chemistry; Physical Chemistry

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APA (6^th Edition):

Gichuhi, W. K. (2011). Astrochemical dynamics: Fundamental studies relevant to titan's atmosphere. (Doctoral Dissertation). Wayne State University. Retrieved from https://digitalcommons.wayne.edu/oa_dissertations/274

Chicago Manual of Style (16^th Edition):

Gichuhi, Wilson Kamundia. “Astrochemical dynamics: Fundamental studies relevant to titan's atmosphere.” 2011. Doctoral Dissertation, Wayne State University. Accessed April 17, 2021. https://digitalcommons.wayne.edu/oa_dissertations/274.

MLA Handbook (7^th Edition):

Gichuhi, Wilson Kamundia. “Astrochemical dynamics: Fundamental studies relevant to titan's atmosphere.” 2011. Web. 17 Apr 2021.

Vancouver:

Gichuhi WK. Astrochemical dynamics: Fundamental studies relevant to titan's atmosphere. [Internet] [Doctoral dissertation]. Wayne State University; 2011. [cited 2021 Apr 17]. Available from: https://digitalcommons.wayne.edu/oa_dissertations/274.

Council of Science Editors:

Gichuhi WK. Astrochemical dynamics: Fundamental studies relevant to titan's atmosphere. [Doctoral Dissertation]. Wayne State University; 2011. Available from: https://digitalcommons.wayne.edu/oa_dissertations/274

Wayne State University

30. Broderick, Bernadette Michlewicz. Rydberg Time-Of-Flight And Imaging Probes Of The Velocity-Dependent Hydrogen Atom Spin Polarization.

Degree: PhD, Chemistry, 2014, Wayne State University

URL: https://digitalcommons.wayne.edu/oa_dissertations/1085

► Insights into electron spin and nuclei are central to the field of chemical reaction dynamics. Of particular note is the study of spin-polarized hydrogen… (more)

Subjects/Keywords: non-adiabatic dynamics; photodissociation; spin polarization; Chemistry; Physical Chemistry

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APA (6^th Edition):

Broderick, B. M. (2014). Rydberg Time-Of-Flight And Imaging Probes Of The Velocity-Dependent Hydrogen Atom Spin Polarization. (Doctoral Dissertation). Wayne State University. Retrieved from https://digitalcommons.wayne.edu/oa_dissertations/1085

Chicago Manual of Style (16^th Edition):

Broderick, Bernadette Michlewicz. “Rydberg Time-Of-Flight And Imaging Probes Of The Velocity-Dependent Hydrogen Atom Spin Polarization.” 2014. Doctoral Dissertation, Wayne State University. Accessed April 17, 2021. https://digitalcommons.wayne.edu/oa_dissertations/1085.

MLA Handbook (7^th Edition):

Broderick, Bernadette Michlewicz. “Rydberg Time-Of-Flight And Imaging Probes Of The Velocity-Dependent Hydrogen Atom Spin Polarization.” 2014. Web. 17 Apr 2021.

Vancouver:

Broderick BM. Rydberg Time-Of-Flight And Imaging Probes Of The Velocity-Dependent Hydrogen Atom Spin Polarization. [Internet] [Doctoral dissertation]. Wayne State University; 2014. [cited 2021 Apr 17]. Available from: https://digitalcommons.wayne.edu/oa_dissertations/1085.

Council of Science Editors:

Broderick BM. Rydberg Time-Of-Flight And Imaging Probes Of The Velocity-Dependent Hydrogen Atom Spin Polarization. [Doctoral Dissertation]. Wayne State University; 2014. Available from: https://digitalcommons.wayne.edu/oa_dissertations/1085

Open Access Theses and Dissertations