Search Results - "Kriván, Emese"
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Characterization of polypyrrole/piperazine-1,4-bis(2-ethane sulfonate) film and its application for the immobilization of vitamin B12
Published in Electrochimica acta (20-12-2007)“…Vitamin B12 (B12) – possessing a redox active cobalt centre – is a candidate to be used as a mediator in bioelectrochemical processes. In order to exploit the…”
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Journal Article Conference Proceeding -
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Key role of the desolvation in the achievement of the quasi-metallic state of electronically conducting polymers
Published in Electrochimica acta (15-01-2005)“…Redox transformation of electronically conducting polymers was studied by different in situ combined electrochemical techniques. Results obtained with…”
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Journal Article -
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EQCM and in situ conductance studies on the polymerization and redox features of thiophene co-polymers
Published in Electrochimica acta (28-07-2000)“…3-Thiophene-acetic acid and 3-methylthiophene co-polymers have been prepared with the consideration that the solvation behaviour of the film could be modified…”
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Journal Article -
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Fast redox switching into the conducting state, related to single mono-cationic/polaronic charge carriers only in cation exchanger type conducting polymers
Published in Electrochemistry communications (2012)“…Simultaneously performed in situ conductance and spectro-electrochemical measurements—completed by EQCN—proved that fast redox switching can only be expected…”
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Journal Article -
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Combination of in situ UV–Vis-NIR spectro-electrochemical and a.c. impedance measurements: A new, effective technique for studying the redox transformation of conducting electroactive materials
Published in Electrochemistry communications (01-10-2009)“…Simultaneous in situ UV–Vis-NIR spectro-electrochemical and a.c. impedance techniques have been realized for the first time. Combination of the data obtained…”
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Journal Article -
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Minimizing analyte electrolysis in electrospray ionization mass spectrometry using a redox buffer coated emitter electrode
Published in Rapid communications in mass spectrometry (15-05-2010)“…An emitter electrode with an electroactive poly(pyrrole) (PPy) polymer film coating was constructed for use in electrospray ionization mass spectrometry…”
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Journal Article -
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Poly(3,4-ethylenedioxypyrrole)-modified emitter electrode for substitution of homogeneous redox buffer agent hydroquinone in electrospray ionization mass spectrometry
Published in Rapid communications in mass spectrometry (30-11-2010)“…The electrolysis inherent to the operation of the electrospray ionization (ESI) source used with mass spectrometry (MS) is a well-known attendant effect of…”
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Journal Article -
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Application of simultaneous monitoring of the in situ impedance and optical changes on the redox transformation of two polythiophenes: Direct evidence for their non-identical conductance–charge carrier correlation
Published in Electrochemistry communications (01-07-2010)“…The redox transformation of poly(3,4-ethylenedioxythiophene) (PEDOT) and poly(3-octylthiophene) (POT) has been studied and compared by combining simultaneous…”
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Journal Article -
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Deprotonation and Dehydration of Pristine PPy/DS Films during Open-Circuit Relaxation: an Ignored Factor in Determining the Properties of Conducting Polymers
Published in The journal of physical chemistry. B (13-02-2003)“…The relaxation process of pristine polypyrrole/dodecyl sulfate (PPy/DS) films at open circuit, immediately after electropolymerization, was studied by in situ…”
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Journal Article -
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Matrix rank analysis of spectral studies on the electropolymerisation and discharge process of conducting polypyrrole/dodecyl sulfate films
Published in Electrochimica acta (15-02-2005)“…The polymerisation of pyrrole in aqueous sodium dodecyl sulfate (SDS) solution was studied systematically by in situ spectroelectrochemical technique including…”
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Journal Article -
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Solvation/desolvation during the redox transformation of poly(3-methylthiophene)
Published in Journal of solid state electrochemistry (01-05-2005)Get full text
Journal Article -
12
EQCM and in situ conductance studies on the polymerisation and redox features of thiophene co-polymers
Published in Electrochimica acta (01-01-2000)“…3-Thiophene-acetic acid and 3-methylthiophene co-polymers have been prepared with the consideration that the solvation behaviour of the film could be modified…”
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Journal Article -
13
Irregular Response of the Polypyrrole Films to H2S
Published in Electroanalysis (New York, N.Y.) (01-10-2000)“…The immobilization of surfactant anions (e.g., dodecylsulfate, DS) in PPy films leads to stable, well conducting polymer films, and the film shows sensitivity…”
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Journal Article -
14
New phenomena observed during the electrochemical reduction of conducting polypyrrole films
Published in Journal of solid state electrochemistry (01-10-2001)Get full text
Journal Article -
15
Optimization of the photoactivity of conducting polymer covered ZnO nanorod composite electrodes
Published in Journal of solid state electrochemistry (01-01-2015)“…A simple, reproducible, one-step electrochemical synthesis of vertically aligned ZnO nanorod electrode has been worked out. The gradual decrease in the…”
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Journal Article -
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MRA combined spectroelectrochemical studies on the redox stability of PPy/DS films
Published in Journal of electroanalytical chemistry (Lausanne, Switzerland) (08-02-1999)“…Pyrrole was electropolymerized in aqueous sodium dodecyl sulfate (SDS) solutions and a correlation between the absorbance maximum ( λ max) and the effect of…”
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A polipirrol/dodecil-szulfát rendszer tanulmányozása
Published 01-01-2002“…E doktori munka során a polipirrol/dodecil-szulfát filmek alapvető spektrális és elektrokémiai sajátságait tanulmányoztuk vizes közegben. Mint a bevezetőben is…”
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Dissertation