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You searched for subject:(Ion pair receptor). Showing records 1 – 2 of 2 total matches.

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University of Texas – Austin

1. Yeon, Yerim. Calix[4]arene-based ion or ion-pair receptors.

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

Calix[4]arene derivatives are one of the most important supramolecular scaffolds. They have been extensively exploited to build more elaborate systems. Calix[4]arene derivatives can stabilize host-guest complexes with various ions and neutral molecular guests through non-covalent interactions (e.g., hydrogen bonding, electrostatic interactions and cation-π interactions). This dissertation describes efforts to develop more efficient calix[4]arene-based ion and ion-pair receptors. Chapter 1 describes an overview of sensitive ion selective chromogenic and fluoregenic sensors based on calix[4]arene derivatives. Chapter 2 details a chromogenic calix[4]arene-calix[4]pyrrole sensor system formed by appending an indane substituent to the β-pyrrole position of the calix[4]pyrrole portion of the hybrid and its use in detecting cesium salts. The indane substituted calix[4]arene-calix[4]pyrrole system gives rise to a colorimetric response when only exposed to simple ion pairs containing the cesium cation. Chapter 3 describes amido-indole incorporated calix[4]arene anion receptors. An amido-indole moieties appended calix[4]arene provides multiple hydrogen bond donors for the interaction with anions. In Chapter 4, graphene field-effect transistors (GFETs) are introduced for cesium ion sensing based on electrostatic measurements. In this work, a crown-6-ether strapped calix[4]arene derivative that adopts a cesium ion selective conformation was prepared. Then, it was attached to various graphene field-effect transistors (GFETs) via π−π interactions. The co-complexation of Cs⁺ ion and calix[4]arene receptor on the GFETs alters the electronic behavior of the system in an ion and concentration dependent manner. This work serves to extend the fundamental chemistry of calix[4]arene-based cesium ion recognition to new research areas. Lastly, an experimental section and characterization data are provided in Chapter 5. Advisors/Committee Members: Sessler, Jonathan L. (advisor), Liu, Hung-wen (committee member), Keatinge-Clay, Adrian T (committee member), Dong, Guangbin (committee member), Kerwin, Sean M (committee member).

Subjects/Keywords: Calix[4]arene; Sensor; Colorimetric; Chromogenic; Cesium; Lithium; Graphene; Ion-pair receptor; Anion receptor

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APA (6th Edition):

Yeon, Y. (2018). Calix[4]arene-based ion or ion-pair receptors. (Doctoral Dissertation). University of Texas – Austin. Retrieved from http://hdl.handle.net/2152/71510

Chicago Manual of Style (16th Edition):

Yeon, Yerim. “Calix[4]arene-based ion or ion-pair receptors.” 2018. Doctoral Dissertation, University of Texas – Austin. Accessed November 28, 2020. http://hdl.handle.net/2152/71510.

MLA Handbook (7th Edition):

Yeon, Yerim. “Calix[4]arene-based ion or ion-pair receptors.” 2018. Web. 28 Nov 2020.

Vancouver:

Yeon Y. Calix[4]arene-based ion or ion-pair receptors. [Internet] [Doctoral dissertation]. University of Texas – Austin; 2018. [cited 2020 Nov 28]. Available from: http://hdl.handle.net/2152/71510.

Council of Science Editors:

Yeon Y. Calix[4]arene-based ion or ion-pair receptors. [Doctoral Dissertation]. University of Texas – Austin; 2018. Available from: http://hdl.handle.net/2152/71510

2. -7333-2493. New calix[4]pyrrole derivatives for ionic and neutral guests.

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

The first chapter is a review of fluorescent sensors for explosives detection and ion pair receptors. In the second chapter, two novel pyrene-appended calix[4]pyrroles are reported. Their binding properties to various guests including aromatic explosives and anions are discussed. The third chapter describes the design and synthetic attempts of two calix[4]arene-strapped calix[4]pyrroles to serve as ion pair receptor in order to be selective for potassium salts and sodium salts, respectively Advisors/Committee Members: Sessler, Jonathan L. (advisor).

Subjects/Keywords: Explosives detection; Calix[4]pyrrole; Ion pair receptor

…systems displayed cooperative ion-pair recognition whereas the receptor displayed no affinity… …cancer treatment. 8 Not only are ion pair receptor able to recognized various ions, they also… …5 Figure 1.2 Three limiting modes for ion-pair interactions. C+: cation. A-: anion. S… …emission. 6 1.4 GENERAL INTRODUCTION TO ION PAIR RECEPTORS A great deal of effort has been… …of control over ion recognition, ion pair receptors, bearing both cation and anion binding… 

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

APA (6th Edition):

-7333-2493. (2018). New calix[4]pyrrole derivatives for ionic and neutral guests. (Masters Thesis). University of Texas – Austin. Retrieved from http://dx.doi.org/10.26153/tsw/2838

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

Chicago Manual of Style (16th Edition):

-7333-2493. “New calix[4]pyrrole derivatives for ionic and neutral guests.” 2018. Masters Thesis, University of Texas – Austin. Accessed November 28, 2020. http://dx.doi.org/10.26153/tsw/2838.

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

MLA Handbook (7th Edition):

-7333-2493. “New calix[4]pyrrole derivatives for ionic and neutral guests.” 2018. Web. 28 Nov 2020.

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

Vancouver:

-7333-2493. New calix[4]pyrrole derivatives for ionic and neutral guests. [Internet] [Masters thesis]. University of Texas – Austin; 2018. [cited 2020 Nov 28]. Available from: http://dx.doi.org/10.26153/tsw/2838.

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

Council of Science Editors:

-7333-2493. New calix[4]pyrrole derivatives for ionic and neutral guests. [Masters Thesis]. University of Texas – Austin; 2018. Available from: http://dx.doi.org/10.26153/tsw/2838

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

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