Дисертації з теми "Electrochemical impedance spectroscopy studies"
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Aaron, Douglas Scott. "Transport in fuel cells: electrochemical impedance spectroscopy and neutron imaging studies." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34699.
Повний текст джерелаKlett, Matilda. "Electrochemical Studies of Aging in Lithium-Ion Batteries." Doctoral thesis, KTH, Tillämpad elektrokemi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-145057.
Повний текст джерелаQC 20140512
Abdur, Rahman Abdur Rub. "CellMap: An Automated Multielectrode Array Cell Culture Analysis System Based on Electrochemical Impedance Spectroscopy." [Tampa, Fla] : University of South Florida, 2007. http://purl.fcla.edu/usf/dc/et/SFE0002185.
Повний текст джерелаKang, Jiho. "Electrochemical studies of coatings and thin films." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1138388240.
Повний текст джерелаCampos, Rui César de Almeida. "Studies of electron transfer in self-assembled monolayers and bilayer lipid membranes." Thesis, Durham University, 2012. http://etheses.dur.ac.uk/3899/.
Повний текст джерелаXu, Mingming. "Electrochemical Kinetics Studies of Copper Anode Materials in Lithium Battery Electrolyte." Ohio University / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1127139833.
Повний текст джерелаLopez-Sabando, Jaime. "Practical vibration evaluation and early warning of damage in post-tensioned tendons." [Tampa, Fla.] : University of South Florida, 2007. http://purl.fcla.edu/usf/dc/et/SFE0002311.
Повний текст джерелаOcaña, Tejada Cristina. "Aptasensors based on electrochemical impedance spectroscopy." Doctoral thesis, Universitat Autònoma de Barcelona, 2015. http://hdl.handle.net/10803/305103.
Повний текст джерелаIn the recent years, due to the need for rapid diagnosis and improvements in sensing, new recognition elements are employed in biosensors. One kind of these new recognition elements are aptamers. Aptamers are synthetic strands of DNA or RNA which are selected in vitro and have the ability to bind to proteins, ions, whole cells, drugs and low molecular weight ligands recognizing their target with high affinity and specificity. Several aptamer-based biosensors, also called aptasensors, have been recently developed. Among all the transduction techniques employed in biosensors, Electrochemical Impedance Spectroscopy has widely used as a tool for characterizing sensor platforms and for studying biosensing events at the surface of the electrodes. The important feature presented by this technique is that it does not require any labelled species for the transduction; thus, this detection technique can be used for designing label-free protocols thus avoiding more expensive and time-consuming assays. The main aim of this PhD work was the development of aptasensors using the electrochemical impedance technique previously mentioned for protein detection. For that, different types of electrodes were used, such as Graphite Epoxy Composite electrodes (GECs), Avidin Graphite Epoxy Composite electrodes (AvGECs) and commercial Multi-Walled carbon nanotubes screen printed electrodes (MWCNT-SPE). The work was divided in two main parts according to the detection of the two different proteins. The first part was focused on thrombin detection. First of all, different impedimetric label-free aptasensors based on several aptamer immobilization techniques such as wet physical adsorption, avidin-biotin affinity and covalent bond via electrochemical activation of the electrode surface and via electrochemical grafting were developed and evaluated. Then, AvGECs electrodes were compared as a platform for genosensing and aptasensing. With the aim to amplying the obtained impedimetric signal using AvGECs, an aptamer sandwich protocol for thrombin detection was used including streptavidin gold-nanoparticles (Strep-AuNPs) and silver enhancement treatment. The second part of the study was based on cytochrome c detection. Firstly, a simple label-free aptasensor for the detection of this protein using a wet physical adsorption immobilization technique was performed. Finally, with the goal to amplify the impedimetric signal, a hybrid aptamer-antibody sandwich assay using MWCNT-SPE for the detection of the target protein was carried out. In this way, the thesis explores and compares a wide scope of immobilization procedures, the use of label-free or nanocomponent modified biomolecules in different direct or amplified protocols, and the use of direct recognition and sandwich alternatives to enhance sensitivity and/or selectivity of the assay
Barton, Raymond Terence. "Characterisation of nickel electrodes by electrochemical impedance spectroscopy." Thesis, Loughborough University, 1995. https://dspace.lboro.ac.uk/2134/12219.
Повний текст джерелаMa, Hongshen 1978. "Electrochemical Impedance Spectroscopy using adjustable nanometer-gap electrodes." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/42240.
Повний текст джерелаIncludes bibliographical references (p. 151-154).
Electrochemical Impedance Spectroscopy (EIS) is a simple yet powerful chemical analysis technique for measuring the electrical permittivity and conductivity of liquids and gases. Presently, the limiting factor for using EIS as a portable chemical detection technology is the lack of absolute accuracy stemming from uncertainties in the geometrical factor used to convert measurable quantities of capacitance and conductance into the intrinsic parameters of permittivity and conductivity. The value of this geometrical conversion factor can be difficult to predict since it is easily affected by fringing electric fields, manufacturing variations, and surface chemistry. Existing impedance test cells typically address this problem using a calibration liquid with known permittivity and conductivity, however, this correction is not feasible in many applications since the calibration liquid may irreversibly contaminate the test electrodes. This thesis presents a technique for accurately measuring the permittivity and conductivity of liquids and gases without requiring the use of calibration liquids. This technique is made possible by precisely controlling the separation between two spherical electrodes to measure capacitance and conductance of the sample medium as a function of electrode separation. By leveraging the geometrical accuracy of the spherical electrodes and precise control of the electrode separation, the permittivity and conductivity of the sample can be determined without wet calibration. The electrode separation is adjusted using a flexure stage and a servomechanical actuator, which enables control the electrode separation with 0.25 nm resolution over a range of 50 gm. The nanometer smooth surfaces of the spherical electrodes also enable electrode gaps of less than 20 nm to be created.
(cont.) The technique for measuring permittivity and conductivity presented in this thesis could eventually be adapted to make miniaturized disposable impedance test cells for chemical analysis. Such systems could take advantage of conductivity assays to determine the presence and concentration of specific substances. The adjustable nanometer electrode gap can also be used to study the properties of chemical and biological systems in highly confined states. These studies are fundamentally important for understanding biochemical processes in natural systems where reactions often take place inside confined structures such as cells, organelles, and the intercellular matrix.
by Hongshen Ma.
Ph.D.
Zheng, Linan. "DETECTION OF CHLAMYDIA TRACHOMATIS BY ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY." OpenSIUC, 2016. https://opensiuc.lib.siu.edu/theses/1966.
Повний текст джерелаXu, Mengyun. "Optimised label-free biomarker assays with electrochemical impedance spectroscopy." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:e527a06b-25e5-48fe-8be5-3c0c10210b74.
Повний текст джерелаFoley, John J. "Microfluidic Electrical Impedance Spectroscopy." DigitalCommons@CalPoly, 2018. https://digitalcommons.calpoly.edu/theses/1950.
Повний текст джерелаFormisano, Nello. "A study on the optimisation of electrochemical impedance spectroscopy biosensors." Thesis, University of Bath, 2016. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.687325.
Повний текст джерелаValenzuela, Jorge Ignacio. "Electrochemical impedance spectroscopy options for proton exchange membrane fuel cell diagnostics." Thesis, University of British Columbia, 2007. http://hdl.handle.net/2429/266.
Повний текст джерелаBhatnagar, Purva. "A microcontroller-based Electrochemical Impedance Spectroscopy Platform for Health Monitoring Systems." University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1439307617.
Повний текст джерелаArgyle, Hillary McKenna. "Sensitivity of Electrochemical Impedance Spectroscopy Measurements to Concrete Bridge Deck Properties." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/3963.
Повний текст джерелаBaumeister, Carl Robert. "Electrochemical impedance spectroscopy and surface plasmon resonance for diagnostic antibody detection." Diss., University of Pretoria, 2012. http://hdl.handle.net/2263/31495.
Повний текст джерелаDissertation (MSc)--University of Pretoria, 2012.
Biochemistry
MSc
Unrestricted
Piippo, Juha. "Electrochemical characterization of inorganic coatings : titanium nitride and aluminium oxide coatings characterized using electrochemical impedance spectroscopy /." [S.l.] : [s.n.], 1993. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=10309.
Повний текст джерелаLiu, Xing, and s3072856@student rmit edu au. "Electrical Impedance Spectroscopy Applied in Plant Physiology Studies." RMIT University. Electrical and Computer Engineering, 2006. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080428.092529.
Повний текст джерелаLu, Yuan S. B. Massachusetts Institute of Technology. "Using electrochemical impedance spectroscopy to characterize vertically-aligned carbon nanotube forest porosimetry." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/98662.
Повний текст джерелаCataloged from PDF version of thesis.
Includes bibliographical references (pages 55-56).
Carbon nanotubes have generated much research interest and potential applications due to their unique properties such as their high tensile strength, high thermal conductivity, and unique semiconductor properties. Vertically-aligned carbon nanotubes (VA-CNTs) have been used in applications for electrochemical systems in energy storage systems and desalination systems. Typical methods of characterizing the morphology and composition of CNTs are limited in providing information on the packing density of CNTs, and therefore, an effective method for in situ characterization of VA-CNT electrodes is needed. This method explores the use of impedance spectroscopy and other electrochemical methods to characterize VA-CNTs in situ. VA-CNTs forests were grown via chemical vapor densification on pre-oxidized silicon wafers, mechanically densified to achieve varying volume fractions (1%, 2%, 5%, and 10%), and tested in a three-electrode electrochemical cell. Electrochemical techniques (cyclic voltammetry, impedance spectroscopy, and potentiostatic techniques) were used to measure the performance of the VA-CNTs in 1 M and 500 mM electrolyte solutions. Optimization of the experimental setup design and data collection methods yielded data that resulted in the expected cyclic voltammetry response and impedance behavior of porous electrodes. A transmission line model-pore size distribution (TLM-PSD) model was applied to the data collected in order to predict and model porosimetry characteristics. Porous behavior was observed in the VA-CNT electrodes of all volume fractions tested, and the impedance spectra showed that the volume fraction affected the overall impedance but not the characteristic shape of the spectra. Comparison between the impedance data collected in 1 M NaCl and 500 mM NaCl showed the expected corresponding inverse correlation with solution conductivity. Parameters that describe the VA-CNT electrode porosity were calculated and predicted using electrochemical data and the TLM-PSD model. The porous volume Vtot and total ionic conductance Yp values calculated using the model applied to the impedance spectroscopy data showed trends as expected for the different volume fractions of VA-CNT. The results show that electrochemical impedance spectroscopy can be used to characterize certain physical characteristics of the VA-CNT electrodes and further development of the model can yield insights into the porous geometry of VA-CNT forests.
by Yuan Lu.
S.B.
Gruden, Roman, Andreas Buchholz, and Olfa Kanoun. "Electrochemical analysis of water and suds by impedance spectroscopy and cyclic voltammetry." Universitätsbibliothek Chemnitz, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-149036.
Повний текст джерелаFredlén, Alexander. "Electrochemical impedance spectroscopy on NMC811 at varying temperature and state of charge." Thesis, KTH, Tillämpad elektrokemi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-299455.
Повний текст джерелаIn this work, electrochemical impedance spectroscopy has been used to try and produce reproducible impedance data for the cathode material NMC811. Data that could serve as the basis of parameter extraction for the construction of a physics-based model. Furthermore, the effect of state of charge, temperature, and history of the cell on the impedance has been analysed. Based on the results of preliminary tests, an experimental cycle was constructed in which the cathode impedance of a NMC811//Graphite cell was measured at varying temperatures and state of charge, both following charge and discharge of the cell. Reproducible results were achieved, and it was shown how the state of charge and temperature of the cell had a major effect on the measured impedance. Unfortunately, no conclusions could be made about the history effect on impedance due to poor stability in the low frequency regions of the impedance measurements.
Lai, Wei Haile Sossina M. "Impedance spectroscopy as a tool for electrochemical study of mixed conducting ceria /." Diss., Pasadena, Calif. : California Institute of Technology, 2007. http://resolver.caltech.edu/CaltechETD:etd-12072006-123745.
Повний текст джерелаPali, Madhavi L. "Detection of Small Molecule Analytes with Biosensors based on Electrochemical Impedance Spectroscopy." OpenSIUC, 2019. https://opensiuc.lib.siu.edu/dissertations/1651.
Повний текст джерелаCoignet, Philippe. "Transport-reaction modeling of the impedance response of a fuel cell." Link to electronic thesis, 2004. http://www.wpi.edu/Pubs/ETD/Available/etd-0526104-151500/.
Повний текст джерелаAteh, Davidson Day. "Study of epithelial cells on polypyrrole based conducting polymers using electrochemical impedance spectroscopy." Thesis, Queen Mary, University of London, 2005. http://qmro.qmul.ac.uk/xmlui/handle/123456789/1749.
Повний текст джерелаWilliams, Brian J. "Applications of Electrochemical Impedance Spectroscopy in In Vivo Corrosion Monitoring and Tissue Discrimination." University of Cincinnati / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1311605422.
Повний текст джерелаMohammad, Naim Nur Nafisah. "Modelling the ageing behaviour of supercapacitors using electrochemical impedance spectroscopy for dynamic applications." Thesis, University of Nottingham, 2015. http://eprints.nottingham.ac.uk/29169/.
Повний текст джерелаDay, M. J. "Mechanistic studies using in situ electrochemical-ESR spectroscopy." Thesis, University of Liverpool, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384356.
Повний текст джерелаSmila-Castro, Ornella. "X-ray absorption spectroscopy studies of electrochemical processes." Thesis, University of Birmingham, 2012. http://etheses.bham.ac.uk//id/eprint/3766/.
Повний текст джерелаLa, Mantia Fabio. "Characterization of electrodes for lithium-ion batteries through electrochemical impedance spectroscopy and mass spectrometry /." Zürich : ETH, 2008. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=17848.
Повний текст джерелаHusain, Adel Abdulmajeed. "Paint coated steel in Kuwaiti corrosion environment : surface corrosion mapping & electrochemical impedance spectroscopy." Thesis, Imperial College London, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336601.
Повний текст джерелаPavlacky, Drew Adam. "Electrochemical Impedance Spectroscopy Study of the Ultraviolet Exposure of Ballistic Resistant Polymer Matrix Composites." Thesis, North Dakota State University, 2012. https://hdl.handle.net/10365/26755.
Повний текст джерелаArmy Research Laboratory
taki, motahareh. "DEVELOPING PROBES FOR LABEL-FREE DETECTION OF HEXANUCLEOTIDE GGGGCC REPEATS BY ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY." OpenSIUC, 2019. https://opensiuc.lib.siu.edu/theses/2634.
Повний текст джерелаWaligo, Alfred. "Condition monitoring of lithium-ion batteries using broadband multisine excitation and electrochemical impedance spectroscopy." Master's thesis, University of Cape Town, 2018. http://hdl.handle.net/11427/28109.
Повний текст джерелаWang, Peng. "Corrosion behaviour of zirconium alloys in high temperature aqueous environment by electrochemical impedance spectroscopy." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/corrosion-behaviour-of-zirconium-alloys-in-high-temperature-aqueous-environment-by-electrochemical-impedance-spectroscopy(e1bf6a9f-c8ca-45db-8e05-14ee723886d9).html.
Повний текст джерелаJeffers, Kenneth E. "Electrochemical impedance spectroscopy for the characterization of corrosion and cathodic protection of buried pipelines." [Florida] : State University System of Florida, 1999. http://etd.fcla.edu/etd/uf/1999/amj9949/jeffers.pdf.
Повний текст джерелаTitle from first page of PDF file. Document formatted into pages; contains xx, 206 p.; also contains graphics. Vita. Includes bibliographical references (p. 202-205).
Lu, Yunxiang. "Study of electrochemical performance of strontium doped lanthanum cobalt oxides using electrochemical impedance spectroscopy and microelectrode array cell design /." Thesis, Connect to this title online; UW restricted, 2007. http://hdl.handle.net/1773/9818.
Повний текст джерелаMedina, Francelys A. Lanagan Michael Thomas. "Impedance spectroscopy studies of silica-titania glasses and glass-ceramics." [University Park, Pa.] : Pennsylvania State University, 2009. http://etda.libraries.psu.edu/theses/approved/PSUonlyIndex/ETD-4566/index.html.
Повний текст джерелаJayaraj, Balaji. "Correlating microstructural development and failure mechanisms to photo stimulated luminescence spectroscopy and electrochemical impedance spectroscopy in thermal barrier coatings." Doctoral diss., University of Central Florida, 2011. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4948.
Повний текст джерелаID: 029810158; System requirements: World Wide Web browser and PDF reader.; Mode of access: World Wide Web.; Thesis (Ph.D.)--University of Central Florida, 2011.; Includes bibliographical references (p. 213-217).
Ph.D.
Doctorate
Mechanical, Materials, and Aerospace Engineering
Engineering and Computer Science
Khani, Meynaq Mohammad Yaser. "Electrochemical investigations on lipid cubic phases." Doctoral thesis, Umeå universitet, Kemiska institutionen, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-130174.
Повний текст джерелаElektrokemisk impedans spektroskopi har använts för att utveckla en ny metod för att studera joners växelverkan med lipider som bildat en kubisk fas. Olika typer av joner, både positiva och negativa, användes för att validera metoden. Ett fristående membran uppbyggt av en kubisk fas separerade två avdelningar i en elektrokemisk cell. Cellen fylldes med elektrolyt-lösningar och impedansmätningar kunde utföras mellan två platina elektroder placerade i vardera avdelning. Membranet exponerades för följande elektrolytlösningar av olika koncentration: KCl, CsBr, CaCl2, MgCl2, CsCl, NaCl, NaOAc and NaTryptofan. Två olika kubiska faser användes i denna uppställning, dvs: Monoloein/vatten och det ternära systemet monoolein/dioleoylfosfatidylkolin/vatten(MO/DOPC/H2O). Med hjälp av SAXRD kunde den kubiska fasens kristallstruktur bestämmas och dess stabilitet under mätningarna bekräftas. De dielektriska egenskaperna hos membranet bestämdes genom att anpassa impedansspektrat till en ekvivalent krets bestående av resistanser, kapacitanser och konstant-faselement. Membranresistansen visade sig vara relaterad till jonernas växelverkan med lipidhuvudgruppen i vattenkanalerna i kubiska fasen. Ju starkare växelverkan desto högre var resistansen. Membrankapacitansen kunde korreleras med kondenserande och uppsvällande effekter på kubiska fasen förorsakade av exponeringen till joner. Resultaten bekräftades av SAXRD mätningar och även tidigare publicerade data. Resultaten indikerar också tydligt att permeabiliteten hos membranet minskar med ökad jonstorlek, jonladdningoch polaritet hos jonen. Cyklisk voltammetri användes för att studera en tillämpning av kubiska fasen i en tänkt applikation som bioanod i en biobränslecell. Elektroden modifierades med en kubisk fas innehållande GOx och tillsammans med en fritt diffunderande ferrocen karboxylat som mediator, där oxidation av glukos studeras. Det visade sig att den kubiska fasen hade en resistans av samma storleksordning som det fristående membranet uppmätt med impedansspektroskopi.
Wasala, KWM Milinda Prabath. "ELECTROCHEMICAL CHARACTERIZATION OF EXFOLIATED GRAPHENE." OpenSIUC, 2014. https://opensiuc.lib.siu.edu/theses/1418.
Повний текст джерелаSkoorka, Michelle E. "The effect of humidity on composite lap joints and an electrochemical study on coatings and galvanic systems /." View online ; access limited to URI, 2004. http://0-wwwlib.umi.com.helin.uri.edu/dissertations/dlnow/3135915.
Повний текст джерелаProtsailo, Lesia V. "Characterization of the electrode/SAM/electrolyte interface and intermolecular interactions in solutions using electrochemical impedance spectroscopy and ATR-FTIR spectroscopy /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2002. http://uclibs.org/PID/11984.
Повний текст джерелаSmiechowski, Matthew F. "Electrochemical Characterization of Lubricants for Microfabricated Sensor Applications." Case Western Reserve University School of Graduate Studies / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=case1121349361.
Повний текст джерелаYuan, Qifan. "Physical, electrical and electrochemical characterizations of transition metal compounds for electrochemical energy storage." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/71869.
Повний текст джерелаPh. D.
Boychuk, O. V. "Electrochemical Impedance Spectroscopy Study In-Situ State of Health of the Alkaline Zn-Mno2 Batteriesunder Changing of Thermal Modes." Thesis, Київський національний університет технологій та дизайну, 2017. https://er.knutd.edu.ua/handle/123456789/8396.
Повний текст джерелаRaghunathan, Anand. "Electrochemical impedance spectroscopy as a method of predict delamination of coated steel in cathodic disbondment tests." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/43449.
Повний текст джерелаVita.
Includes bibliographical references (leaves 66-67).
by Anand Raghunathan.
M.S.
Kwiecien, Monika [Verfasser], Dirk Uwe [Akademischer Betreuer] Sauer, and Julia [Akademischer Betreuer] Kowal. "Electrochemical impedance spectroscopy on lead-acid cells during aging / Monika Kwiecien ; Dirk Uwe Sauer, Julia Kowal." Aachen : Universitätsbibliothek der RWTH Aachen, 2019. http://d-nb.info/1211960137/34.
Повний текст джерела