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Relevant bibliographies by topics / Bioelectrochemistry / Dissertations / Theses

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Dissertations / Theses on the topic 'Bioelectrochemistry'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Xie, Weihong. "Bioelectrochemistry of monooxygenases." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343062.

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2

Ritchie, Marcia D. "Bioelectrochemistry and metabolic sensing." Thesis, University of Oxford, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293437.

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3

Mizzon, Giulia. "Bioelectrochemistry by fluorescent cyclic voltammetry." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:6a1134dd-c24d-4e60-ac83-936a6918131f.

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Understanding the factors influencing the ET characteristics of redox proteins confined at an electrochemical interface is of fundamental importance from both pure (fundamental science) and applied (biosensory) perspectives. This thesis reports on progress made in the emerging field of coupled electrochemical characterization and optical imaging in moving the analysis of redox-active films to molecular scales. More specifically the combination of cyclic voltammetry and wide-field Total Internal Reflection (TIRF) microscopy, here named ‘Fluorescent Cyclic Voltammetry’ (FCV), was applied to moni

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4

Davies, Owen Glyn. "Ammonium electrochemical sensors for medical use." Thesis, Cardiff University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375942.

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5

Stevenson, Gareth P. "Mathematical modelling of ac voltammetry and its application in electrochemistry and bioelectrochemistry." Thesis, University of Oxford, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.540287.

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6

Park, Tae Jin, and 朴台鎮. "Microbial community ecology in bioelectrochemical systems (BESs) using 16S ribosomal RNA (rRNA) pyrosequencing." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/212634.

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7

Inglesby, Alister Edward. "Biochemical and bioelectrochemical technology for third generation biofuel production." Thesis, University of Cambridge, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.648335.

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8

Gomez-Mingot, Maria. "Bioelectrochemistry focused on oxidative stress: modification of proteins and development of electrochemical sensors and biosensors." Doctoral thesis, Universidad de Alicante, 2013. http://hdl.handle.net/10045/35717.

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Esta tesis doctoral se centra en el aprovechamiento de varias metodologías basadas en técnicas electroquímicas y analíticas para la detección del estrés oxidativo en medios complejos biológicos, en partículas, proteínas y medios complejos biológicos. 1. Modificación covalente de aminoácidos en proteínas redox y no redox por métodos electroquímicos, químicos o mediante irradiación ultrasónica, y estudios de cinética de la transferencia electrónica sobre electrodos serigrafiados de carbón. 2. Estudios metabolómicos de medios de cultivo celular complejos y desarrollo de sensores y biosensores par

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9

Pereira, Joana Fernandes Alberto Wilton. "Electrochemical characterization of Dps, a DNA-protecting protein." Master's thesis, Faculdade de Ciências e Tecnologia, 2011. http://hdl.handle.net/10362/7820.

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Dissertação para obtenção do Grau de Mestre em Biotecnologia<br>The objectives of the present work were the purification and electrochemical characterization of Dps and study its iron incorporation mechanism in the presence of hydrogen peroxide. A bacterial miniferritin (Dps) from Pseudomonas (Ps.) nautica 617 was expressed in BL21(DE3) E. coli cells transformed with pET21c(+)-1dps plasmid vector. Protein overexpression was performed in nutritionally rich LB medium containing 100 μg/mL ampicillin. Recombinant Dps was purified through a two-step process: weak ionic exchange chromatography (

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10

Evans, John Parker. "Autoregenerative Laccase Cathodes: Fungi at the Food, Water, and Energy Nexus." Thesis, The University of Arizona, 2016. http://hdl.handle.net/10150/612407.

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Today’s most pressing problems would greatly benefit from an integrated production method for food, water, and energy. Biological fuel cells can offer such a production method, but current designs cannot be scaled to meet global demand. The ability of five different fungal strains to secrete laccase was evaluated under optimized culture conditions using three inducers. A specialized electrode was developed to increase the loading of laccase on the cathode. Trametes versicolor was then immobilized at the modified cathode and shown to secrete electrochemically active laccase. This hybrid de

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11

Lyon, Jacob Daniel. "Exploring the mechanism of bioelectrocatalytic production of ammonia with whole cell Anabaena variabilis." Diss., University of Iowa, 2017. https://ir.uiowa.edu/etd/5962.

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Ammonia is an important compound to many industries around the world. Most of the fertilizers used by crop growers have ammonia as an essential ingredient. It can also be useful as a fuel source, offering greater energy density per unit than hydrogen and greater safety. Currently, the predominant method for producing ammonia on an industrial scale is by the Haber-Bosch process. This process uses steam evolution of methane to provide H2 gas, which is then combined with N2 gas over an iron catalyst to form NH3. This process requires large amounts of energy as well as high temperatures and pressu

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12

Gonzalez, Aravena Arely Carolina. "Strategies to enhance extracellular electron transfer rates in wild-type cyanobacterium Synechococcus elongatus PCC7942 for photo-bioelectricity generation." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/274353.

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The aim of this thesis is to enhance the extracellular electron transfer rates (exoelectrogenesis) in cyanobacteria, to be utilised for photo-bioelectricity generation in biophotovoltaics (electrochemical cell). An initial cross comparison of the cyanobacterium Synechococcus elongatus PCC7942 against other exoelectrogenic cultures showed a hindered exoelectrogenic capacity. Nonetheless, in mediatorless biophotovoltaics, it outperformed the microalgae Chlorella vulgaris. Furthermore, the performance of S. elongatus PCC7942 was improved by constructing a more efficient design (lower internal res

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13

Quintero-Jaime, Andrés Felipe. "Electrochemical Functionalization of Nanostructured Carbon Materials for Bioelectrochemical Applications." Doctoral thesis, Universidad de Alicante, 2020. http://hdl.handle.net/10045/116499.

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Esta tesis doctoral se centra en el desarrollo de diferentes métodos electroquímicos y químicos para la funcionalización de materiales de carbono nanoestructurados, obteniendo materiales electródicos funcionales para aplicaciones bioelectroquímicas. En este sentido, las propiedades en superficie influyen directamente en la interacción entre el elemento bioreceptor o biocatalizador con el electrodo. Por tal motivo, se puede mejorar la cinética de transferencia de electrones, la inmovilización, orientación y distribución del bioelemento en el electrodo, mejorando el rendimiento del dispositivo b

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14

McGroarty, Alan. "Electrophysiological investigation into the significance of ATP-sensitive K+ channels in Parkinson's disease." Thesis, University of Oxford, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.670218.

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15

Kadowaki, Jonathan. "Electrochemical Regeneration of Cofactors Using a Novel Cuprous Oxide Derived Cathode." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1555578179760958.

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16

Camacho, Inês Sofia Cortes Eusébio. "Effects of UV radiation exposure on DNA and DNA repair enzymes." Master's thesis, Faculdade de Ciências e Tecnologia, 2012. http://hdl.handle.net/10362/8263.

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Dissertação para obtenção do Grau de Mestre em Biotecnologia<br>DNA integrity in the cell is under constant threat from damaging agents of endogenous or exogenous origin, such as UV light, ionizing radiation and oxidative stress. Although the effects of these carcinogens on DNA have been extensively studied, very little is known about their effect on DNA repair enzymes. The aim of the present work was the study of the effect of UV radiation on E. coli Endonuclease III, a DNA glycosylase belonging to base excision repair system. This enzyme was homologously overexpressed and then purified wi

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17

Bonin, Lena. "Groundwater denitrification by fluidized bioelectrochemical systems." Thesis, KTH, Skolan för kemi, bioteknologi och hälsa (CBH), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-278589.

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Groundwater (GW) accounting for most of the freshwater available around the World, finding sustainable techniques to depollute it is of crucial importance for safe drinking water supply. The extensive use of fertilizers in the agriculture, as well as other anthropogenic activities, are contributing to the excessive nitrate levels in some aquifers. These levels need to be reduced to obtain potable water. Bioelectrochemical systems (BES), using microorganisms to catalyze a desired electrochemical reaction, recently proved to be a very promising technology for water remediation. Groundwater denit

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18

Prévoteau, Antonin. "Électrodes enzymatiques à base d’hydrogels rédox en vue de l’oxydation du glucose : effet de la déglycosylation de la glucose oxydase et mise en évidence d’une réduction parasite de l’oxygène sur le médiateur rédox." Thesis, Bordeaux 1, 2010. http://www.theses.fr/2010BOR14102/document.

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La possibilité de convertir l’activité catalytique d’une oxydoréductase en un courant électrique a permis le développement d’une grande diversité d’électrodes enzymatiques. Les anodes catalysant l’oxydation du glucose font partie des plus étudiées pour leurs applications dans la mesure de la glycémie ou dans des biopiles glucose/O2. Parmi les nombreuses stratégies disponibles, l’utilisation d’hydrogels à base de complexes d’osmium en guise de médiateurs rédox fournit d’excellents résultats, qui restent cependant limités en terme de densité de courant ou de sélectivité. Durant cette thèse, la g

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19

Blasco, Gómez Ramiro. "Steering CO2 bio-electrocycling into valuable compounds through inline monitoring of key operational parameters." Doctoral thesis, Universitat de Girona, 2020. http://hdl.handle.net/10803/670848.

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Microbial Electrochemical Technologies (METs) are a promising alternative for capturing and in-situ reducing CO2 through the use of renewable electricity. Microorganisms grown in autotrophic conditions use CO2 as an electron acceptor and an electrode provides them electrons in the form of electricity. In this process, known as microbial electrosynthesis (MES), different compounds are produced depending on the metabolic possibilities of the microorganisms present in the system. The potential of this technology is high: a culture enriched with selected electroactive microorganisms is able to eff

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20

Wenzel, Tobias. "Enhancing the functionality of photovoltaic and photonic biointerfaces through structuration." Thesis, University of Cambridge, 2017. https://www.repository.cam.ac.uk/handle/1810/268517.

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This two-part thesis focuses on biointerfaces of two different biological systems. It specifically examines the interplay of structure and functionality in these biointerfaces. Part one studies photo-bio-electrochemically active bacteria and the strong dependence of their electrical current generation on electrode structure and pigment organisation. Part two uncovers surprising design principles of photonic structures on flower petals and presents research tools to study disordered optical systems. Biophotovoltaics (BPV) is a newly described biophysical effect in which a biofilm of photosynthe

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21

Pierra, Mélanie. "Couplage de la fermentation sombre et de l’électrolyse microbienne pour la production d’hydrogène : formation et maintenance du biofilm électro-actif." Thesis, Montpellier 2, 2013. http://www.theses.fr/2013MON20150/document.

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L'hydrogène, qui constitue une solution alternative et durable à l’usage d’énergies fossiles, est produit essentiellement par reformage de combustibles fossiles (95%). Des filières de production plus soucieuses de l'environnement sont envisagées. Deux familles de technologies sont explorées: 1) par décomposition thermochimique ou électrochimique de l'eau et 2) à partir de différentes sources de biomasse. Parmi celles-ci, les cellules d'électrolyse microbienne ou «Microbial electrolysis cell (MEC)» permettent de produire de l'hydrogène par électrolyse de la matière organique. Une MEC consiste e

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22

Costa, Cícero de Oliveira. "Estudos bioeletroquímicos de quinonas." Universidade Federal de Alagoas, 2011. http://www.repositorio.ufal.br/handle/riufal/2238.

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Many quinones have been associated with a wide range of biological activities, including antitumoral, antimalarial, larvicidal and antibacterial activities. Although, there are many clinically important agents containing a quinone nucleus with excellent anticancer activity, many other quinones require testing for additional activities, for instance: Oncocalyxone A, Juglone, Biflorin and some hydroxylated and halogenated quinones. DNA represents one of the main targets of biologically active quinonoid compounds, which, generally, belong to the group of DNA intercalating and/or alkylating agent

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23

Steichen, Marc. "Etude de l'immobilisation et de la détection de la reconnaissance moléculaire d'acides nucléiques sur électrodes d'or." Doctoral thesis, Universite Libre de Bruxelles, 2008. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210547.

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Ce travail s’inscrit dans le cadre de la recherche relative au développement de biosenseurs à ADN électrochimiques. Des aspects fondamentaux, ainsi que des aspects d’application de la détection d’hybridation d’ADN sont envisagés.<p>Dans un premier temps, le comportement interfacial et le processus d’hybridation d’oligonucléotides d’ADN linéaires et ADN hairpin (structure en épingle à cheveux) nonmarqués sont étudiés en formant des monocouches auto-assemblées mixtes de monobrins d’ADN (ssADN) thiolés et d’un hydroxyalcanethiol (4-mercaptobutan-1-ol) par coadsorption spontanée sur des électrodes

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24

Hitaishi, Vivek Pratap. "Enzymatic oxygen electroreduction : from molecular basis of effective enzymes immobilization on planar electrodes to the electrocatalysis on nanostructured electrodes." Electronic Thesis or Diss., Aix-Marseille, 2020. http://theses.univ-amu.fr.lama.univ-amu.fr/200121_HITAISHI_431ad491kqfawo954pehyij849p_TH.pdf.

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L’immobilisation fonctionnelle des enzymes redox sur un support solide conducteur, en termes de densités de courant catalytique et de stabilité, est l’un des défis les plus importants à relever avant la commercialisation de systèmes tels que les piles à combustible enzymatiques et les biocapteurs. Cette thèse vise à la compréhension des facteurs moléculaires qui contrôlent le processus de transfert d'électrons interfacial et l'efficacité catalytique des enzymes redox immobilisées, en considérant l'effet de la quantité, de l'orientation et de la conformation des biomolécules à l’interface élect

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25

Souza, Antonio Albuquerque de. "Estudos bioeletroquímicos de nitroquinonas derivadas da Nor-β-Lapachona". Universidade Federal de Alagoas, 2011. http://www.repositorio.ufal.br/handle/riufal/2305.

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Quinones have been the subject of much interest due to their various biological activities, mainly as antitumor and as trypanocidal agents. Quinones are cytotoxic by two main mechanisms: the generation of ROS resulting in oxidative stress and alkylation of cellular nucleophiles, such as DNA and some enzymes such as topoisomerases. Their activity depends on bioreduction, similarly to what happens to nitroaromatic compounds. They also catalyze electron transfer reactions in biological processes and, after reduction generate radical anions (semiquinone radical anion and nitro), which depending on

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26

Nikolaev, Anton. "Inhibition studies of metalloproteins by means of electrochemistry and spectroscopy." Thesis, Strasbourg, 2018. http://www.theses.fr/2018STRAF053/document.

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Les études d'interaction protéine-ligand aident à mieux comprendre la structure et la fonction des protéines. Dans la première partie de la thèse, la cyt bd oxydase a été étudiée. La protéine d'E. coli a été immobilisée avec succès sur des électrodes modifiées par des nanoparticules d'or. Ainsi, un biocapteur électrochimique a été créé, permettant de tester certains inhibiteurs potentiels de cyt bd provenant d’E. coli. Le cyt bd issue de G. thermodenitrificans thermophile a également été étudié. En faisant appel aux spectroscopies IR et Raman ainsi que l’électrochimie, il a été démontré que la

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27

Llano, Jorge. "Modern Computational Physical Chemistry : An Introduction to Biomolecular Radiation Damage and Phototoxicity." Doctoral thesis, Uppsala University, Department of Cell and Molecular Biology, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4224.

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<p>The realm of molecular physical chemistry ranges from the structure of matter and the fundamental atomic and molecular interactions to the macroscopic properties and processes arising from the average microscopic behaviour.</p><p>Herein, the conventional electrodic problem is recast into the simpler molecular problem of finding the electrochemical, real chemical, and chemical potentials of the species involved in redox half-reactions. This molecular approach is followed to define the three types of absolute chemical potentials of species in solution and to estimate their standard values. Th

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28

Baier, Claudia [Verfasser]. "Electron transfer phenomena in interfacial bioelectrochemistry / Claudia Baier." 2010. http://d-nb.info/1009896415/34.

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29

Goran, Jacob Michael. "The bioelectrochemistry of enzymes and their cofactors at carbon nanotube and nitrogen-doped carbon nanotube electrodes." Thesis, 2014. http://hdl.handle.net/2152/30491.

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This dissertation explores the electrochemical behavior of enzymes and their cofactors at carbon nanotube (CNT) and nitrogen-doped carbon nanotube (N-CNT) electrodes. Two common types of oxidoreductases are considered: flavin adenine dinucleotide (FAD)-dependent oxidases and nicotinamide adenine dinucleotide-dependent (NAD⁺)-dehydrogenases. Chapter 1 presents the oxygen reduction reaction (ORR) at N-CNT electrodes as a way to electrochemically measure enzymatic turnover at the electrode surface. The unique peroxide pathway at N-CNT electrodes, which catalytically disproportionates hydrogen

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30

Campaniço, Mariana Lourenço Palma. "Electrochemical characterisation of Formate dehydrogenase and its catalytic properties." Master's thesis, 2018. http://hdl.handle.net/10362/61564.

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In recent years the amount of CO2 release into the planet atmosphere has increase exponentially due to a global dependency in fossil fuels. This is one of the major contributors to the climate change that is seen nowadays. On the other hand, due to the CO2 abundance, there has been an interest in developing methods to harvest and use this CO2 in the production of green energy and sustainable chemistry. Formate dehydrogenase (FDH) proteins are a class of metalloenzymes with different subunit composition containing either molybdenum or tungsten at the active site. FDH catalyses the oxidati

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