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Dissertations / Theses on the topic 'Boronic acid sensor'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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1

Jin, Shan. "Development of Boronic Acid-Based Chemosensors." Digital Archive @ GSU, 2009. http://digitalarchive.gsu.edu/chemistry_diss/31.

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It is well known that boronic acids can bind with diols and can be further applied as chemosensors for biomolecules such as carbohydrates and dopamine. Carbohydrates are known to mediate a large number of biological and pathological events. Small and macromolecules capable of carbohydrate recognition have great potentials as research tools, diagnostics, vectors for targeted delivery of therapeutic and imaging agents, and therapeutic agents.

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2

Cheng, Yunfeng. "Development of Boronic Acid Flurescent Reporters, Boronic Acid-Modified Thymidine Triphosphates for Sensor Design and Antagonists of Bacterial Quorum Sensing in Vibrio Harveyi." Digital Archive @ GSU, 2011. http://digitalarchive.gsu.edu/chemistry_diss/58.

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Carbohydrates are known to play important roles in a large number of physiological and pathological processes. Conceivably, “binders” of carbohydrates of biological importance could be used as diagnostic and therapeutic agents. Currently, lectins are the major available tools in research for carbohydrate recognition. However, the available lectins often have cross-reactivity issues, along with the high costs and stability issues. Therefore, there is a critical need to develop alternatives (lectin mimics). In this regard, there have been very active efforts in developing different “binders”, su

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3

Fowle, Chris. "Carbohydrate directed photoaffinity labelling." Thesis, University of Bath, 2018. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.760976.

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Glycoproteins have diverse and essential roles within biological systems. They are formed by enzymatic addition of saccharides to proteins during, or shortly after, translation. However, saccharides can also react with proteins non-enzymatically, a process termed glycation, which can cause impaired function and improper folding. Glycated proteins further react to form advanced glycation end-products, which have been implicated in the pathogenesis and progress of many diseases. Due to this pathological effect, glycation has been studied as a potential biomarker of these diseases. Photoaffinity

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4

Yang, Xiaochuan. "Design and Synthesis of Boronic Acid-Modified Nucleotides for Fluorescent Sensing and Cell Imaging." Digital Archive @ GSU, 2009. http://digitalarchive.gsu.edu/chemistry_diss/39.

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With the rapidly increasing interest in the field of glycomics, which is the comprehensive study of the roles carbohydrates play in a living system, urgent need for developing quick and highly selective carbohydrate sensors is growing. The boronic acid group, with its electron-deficient structure (6 valence electrons with an open shell), acts as a Lewis acid with high intrinsic affinity towards Lewis bases such as fluoride, cyanide and hydroxyl groups. Specifically, formation of a 5- or 6- membered ring between the boronic acid moiety and a1,2- or 1,3-diol in aqueous solution has been fully ex

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5

Wang, Hui-Chen. "Selective boronic acid fluorescent sensors for saccharide detection." Thesis, University of Bath, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.582865.

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Boronic acids in orgamc chemistry are extensively used as building blocks in coupling reactions. Moreover, boronic acids also act as Lewis acids which enable them to easily form reversible covalent complexes with sugars, amino acids and other Lewis base donors. Taking this unique characteristic that two phenylboronic acids separated by a six-carbon amino linker are especially selective for D-glucose. The major part of this research is to modify boronic acid sensors with various fluorophores and material supports, not just for saccharide detection, but also for other applications such as protei

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6

Ni, Weijuan. "Development of Boronic Acid-Based Spectroscopic Sensors for Saccharides." NCSU, 2004. http://www.lib.ncsu.edu/theses/available/etd-01052004-165857/.

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Boronic acid functional group is used widely as a recognition moiety for the development of sensors for saccharides, due to its unique strong and reversible interaction with diols. The fluorescence and/or UV spectroscopic method are the easiest and most common methods to signal the binding event of these receptors (boronic acid compounds) with saccharides. This dissertation consists of three major parts. First, a series of fluorescent diboronic acid compounds with an anthracene PET (photoinduced electron transfer) system were designed and synthesized (Chapter 1). These compounds can be used as

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7

Zhai, Wenlei. "'Click-fluors' : boronic acid-based saccharide sensors via CuAAC reaction." Thesis, University of Birmingham, 2017. http://etheses.bham.ac.uk//id/eprint/7197/.

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A series of mono- and bis-boronic acid compounds were synthesised via copper-catalysed azide-alkyne cycloaddition (CuAAC) reactions. The conditions of the CuAAC reaction were optimised across a range of substrates. In chapter 2, the saccharide binding capacity of the synthesised mono-boronic acids (1\(^s\)\(^t\) and 2\(^n\)\(^d\) generation "click-fluors") were studied by fluorescence spectroscopy and isothermal titration calorimetry (ITC). The fluorescence studies of the synthesised boronic acids binding with D-fructose indicated that the triazole ring - boron acid distance has an obvious eff

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8

Bosch, Laurence Isabelle. "Design synthesis and evaluation of novel boronic acid based fluorescent sensors." Thesis, University of Bath, 2004. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.398432.

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9

Ni, Nanting. "Application of Boronic Acids in Medicinal Chemistry (Inhibitors, Sensors)." Digital Archive @ GSU, 2010. http://digitalarchive.gsu.edu/chemistry_diss/34.

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It is well known boronic acids have its unique chemistry and related applications in organic synthesis. The boronic acid functionally group also plays very important roles in medicinal chemistry and chemical biology. For example, boronic acids have been developed as potential therapeutic agents, chemical biology tools. All these applications are directly related to the unique electronic and chemical properties of the boronic acid group. Herein, several application of boronic acids have been studied: 1) several groups of compounds were found as bacterial quorum sensing inhibitors; 2) a boronate

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10

Kaur, Gurpreet. "Synthesis of Boronic Acid Based Sensors for Glucose and Sialic Acid and Synthesis of Novel and Selective PDE4 Enzyme Inhibitors." Digital Archive @ GSU, 2006. http://digitalarchive.gsu.edu/chemistry_diss/9.

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The boronic acid functional group is known to bind compounds with the diol group tightly and reversibly in aqueous environment and has been used as a recognition moiety for the design of carbohydrate sensors. The first chapter of the dissertation studies the synthesis and substitution effect on the affinity and selectivity of a known boronic acid-based glucose sensor. In such a sensor design effort, the availability of a signaling event, whether it is fluorescence or UV, is crucial. The second chapter studies the detailed mechanism on how a well-known fluorescent boronic acid compound change

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11

Sun, Xiaolong. "Design, synthesis and evaluation of fluorescent sensors for the detection of saccharide and reactive oxygen species." Thesis, University of Bath, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.669030.

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Reactive oxygen species (ROS) and reactive nitrogen species (RNS), saccharide (i.e. monosaccharide, disaccharide and polysaccharide), are continuously generated, transformed and consumed in the living systems. As a consequence of their significant value towards human health in aerobic life, it is very important and has drawn much attention in the chemical and biological sensing of the species. It is our long-standing interest in the recognition of monosaccharide (e.g. glucose) through exploration of various boronate-based fluorescence probes, thus, based on the previous work, we started on the

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12

Broomsgrove, Alexander Edward John. "Ferrocene based Lewis acids for anion sensing." Thesis, University of Oxford, 2010. http://ora.ox.ac.uk/objects/uuid:bfab3690-f1de-4c8d-b111-ce9083710b16.

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The synthesis, characterisation and anion binding properties of a series of mono- and bifunctional Lewis acidic borylferrocene compounds are described within this thesis. The original parent compound FcBMes₂ (3.1), revealed a versatile route for the synthesis of such borylferrocenes and subsequently the analogous compound Fc*BMes₂ (3.2) was synthesised. The anion binding properties of (3.1) and (3.2) were investigated and both were shown to bind one equivalent of cyanide. The binding event was signalled by an electrochemical shift (ca. -560 mV) and a quenching of bands at 510 or 542 nm respect

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13

"Application of affinity mass sensor based on boronic acid derivatives." 2001. http://library.cuhk.edu.hk/record=b5890795.

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Chow Ka-man.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2001.<br>Includes bibliographical references (leaves 52-55).<br>Abstracts in English and Chinese.<br>Chapter 1 --- Introduction<br>Chapter 1.1 --- Chemical sensors --- p.1<br>Chapter 1.2 --- Quartz crystal microbalance --- p.4<br>Chapter 1.3 --- Concept of affinity mass sensor --- p.8<br>Chapter 1.4 --- Film immobilization technologies --- p.9<br>Chapter 1.5 --- Research outlines --- p.13<br>Chapter 2 --- Experimental<br>Chapter 2.1 --- Sensor fabrication --- p.14<br>Chapter 2.2 --- Flow-through cell --- p.16<br>Chapter

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14

Tsai, Ching-Hua, and 蔡靜樺. "Synthesis of Poly(amidoamine) Dendrimer with Peripheral Boronic Acid as Carbohydrates Sensor." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/897xz5.

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博士<br>高雄醫學大學<br>醫藥暨應用化學系博士班<br>106<br>Boronic acid-containing compounds have several unique features, such as strong affinity to diols and forming reversible covalent binding. The diol-containing biomolecules, such as saccharides, glycans, glycoproteins, nucleosides, are the important recognition targets in biomedical applications. Thus, boronic acid-containing compounds are important material for the selective separation and molecular recognition of diol-containing compounds. However, monoboronic acid suffers from low affinity and poor selectivity to glucose. Diboronic acid-containing compoun

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15

Neethirajan, Sureshraja. "DEVELOPMENT OF A POLYANILINE BORONIC ACID (PABA) CARBON DIOXIDE (CO2) SENSOR FOR USE IN THE AGRI-FOOD INDUSTRY." 2009. http://hdl.handle.net/1993/3214.

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In the agri-food industry, carbon dioxide sensors can be used for process control, monitoring quality, and assessing safety. A carbon dioxide sensor was developed using poly aniline boronic acid (PABA) conducting polymer as the electrically conductive region of the sensor for use in the agri-food industry and was demonstrated for use in detecting incipient or ongoing spoilage in stored grain. The developed sensor dynamically detected up to 2455 ppm CO2 concentration levels. The performance of the sensor in measurements of low concentrations of dissolved CO2 was characterized using standard sol

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16

Petersen, Paul Russell. "Design and Synthesis of a Boronic Acid Sensor to Study Carbohydrate Binding Using SERS." 2010. http://trace.tennessee.edu/utk_gradthes/740.

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Carbohydrates are known to play a large number of significant roles in various biological and pathological processes such as cancer metastasis and cellular communication. This is because of their ability to bind a wide range of hosts within the human body such as proteins and viruses. Due to these important interactions, carbohydrate sensing has long been a main focus of research. These research strategies have included the use of aptamers, non-covalent interactions, and boronic acid-based receptors. Boronic acid-based sensors are of particular interest due to their selectivity for 1,2- or 1,3

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17

Allen, Angela M. "The interaction of boronic acid based self-assembled monolayers as a potential glucose sensor." 2004. http://www.lib.ncsu.edu/theses/available/etd-11302004-115753/unrestricted/etd.pdf.

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18

Huang, YaLing, and 黃雅玲. "Synthesis of a Boronic Acid Color Sensor to Study Carbohydrate Binding Using Surface-Enhanced Absorption." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/47529416760537189583.

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碩士<br>國立中正大學<br>化學暨生物化學研究所<br>99<br>Synthesis of boronic acid color sensor is described, in which boronic acid modified gold nanoparticles was used as a sensor for saccharide by surface-enhanced absorption. 　　We used 4-pent-en-1-ol (9) as starting material, the aniline 7 was obtained via a four-steps sequence: protection of the alcohol, hydroboration, Suzuki coupling, and deprotection. Aniline 7 was then reacted with 2-formylphenylboronic acid (8) followed by reduction to generate boronic acid 17. 　　Finally, the alcohol in 17 was converted into thiol and subsequently treated with tetracyanoeth

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19

Metola, Pedro. "Boronic acids : structural and mechanistic studies and application as macromolecular sensing systems." Thesis, 2013. http://hdl.handle.net/2152/28345.

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Boronic acids, particularly those that carry an ortho-aminomethyl group, have been extensively utilized in the field of molecular recognition in recent years thanks to their ability to reversibly bind to a wide variety of polyol substrates. They have been shown to form cyclic boronate esters rapidly upon reaction with 1,2- and 1,3-diols, catechols, carbohydrates and hydroxycarboxylic acids, making them attractive as potential sensing units. While they have found broad application in this forum, the mechanism by which they work is still up for debate. This work begins in Chapter 1 with a review

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20

Murugan, Thiruppathi, and 莫西儒. "Oxygen and boronic acid functionalized screen printed carbon electrode for electrochemical sensors." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/rp8uxs.

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博士<br>國立中興大學<br>化學系所<br>106<br>This thesis describes the oxygen, boronic acid functionalization of screen printed carbon electrode (SPCE) and utilization of those functional moieties for versatile sensor applications. In-situ generated oxygen functionalities along with edge/defect sites of preanodized SPCE (SPCE*) is used for metal free oxidation of poly aromatic hydrocarbons (PAHs). In later sections, we report preparation of stimuli responsive boronic acid based probes on SPCE via both electrochemical as well as chemical routes. In the electrochemical method, 4-Aminophenylboronic acid (4-APB

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21

Swamy, Chinna Ayya P. "Design and Syntheses of Triarylborane Decorated Luminescent Dyes : Intriguing Optical Properties and Anion Sensing Applications." Thesis, 2014. http://etd.iisc.ernet.in/2005/3481.

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The main thrust of this thesis is the development of new triarylborane containing luminescent molecules as well as utilizing triarylboron center as a receptor for the selective detection of biologically, environmentally and industrially important anions such as fluoride and cyanide in aqueous and non-aqueous solutions. The thesis contains nine chapters. The contents of each chapter are described below. Chapter 1 The first chapter is an introduction to the theme of the thesis and presents a general review on the techniques, theories and photochemistry relevant to the present work with emphas

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