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Electrochemically deposited nano fibrous polyanilne for amperometric determination of glucose

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2012
466.pdf (381.7Kb)
Authors
Jambrec, Daliborka
Gvozdenović, Milica M.
Antov, Mirjana
Grgur, Branimir
Jokić, Bojan
Stevanović, Jasmina S.
Jugović, Branimir
Article (Published version)
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Abstract
Electrochemical deposition of polyaniline (PANI) on graphite electrode was performed galvanostaticaly at constant current density in the range of 1.0 – 5.0 mA cm-2 from aqueous acidic electrolyte containing aniline monomer. Based on ratio of doping/dedoping charge capacities, it was estimated that current density of 2.0 mA cm-2 was optimal. The structure of the electrochemically synthesized PANI was fibrous, uniform and three dimensional with highly developed surface. Immobilization of glucose oxidise (GOx) was achieved by cross linking via glutaraldehyde and the efficiency of the immobilization was determined spectrophotometrically. Chronoamperometric curves were recorded at different glucose concentrations and used to estimate the apparent Michaelis constant, which was shown to be 0.27 mM. The storage stability of the PANI enzyme electrode was also estimated.
Keywords:
electrochemical synthesis / polyaniline / immobilization / Michaelis constant
Source:
Digest journal of nanomaterials and biostructures, 2012, 785-794
Publisher:
  • Bucharest : National Institute of Materials Physics
Projects:
  • Electrochemical synthesis and characterization of nanostructured functional materials for application in new technologies (RS-172046)

ISSN: 1842-3582

[ Google Scholar ]
URI
http://dais.sanu.ac.rs/123456789/469
Collections
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Jambrec, Daliborka
AU  - Gvozdenović, Milica M.
AU  - Antov, Mirjana
AU  - Grgur, Branimir
AU  - Jokić, Bojan
AU  - Stevanović, Jasmina S.
AU  - Jugović, Branimir
PY  - 2012
UR  - http://dais.sanu.ac.rs/123456789/469
AB  - Electrochemical deposition of polyaniline (PANI) on graphite electrode was performed galvanostaticaly at constant current density in the range of 1.0 – 5.0 mA cm-2 from aqueous acidic electrolyte containing aniline monomer. Based on ratio of doping/dedoping
charge capacities, it was estimated that current density of 2.0 mA cm-2 was optimal. The structure of the electrochemically synthesized PANI was fibrous, uniform and three dimensional with highly developed surface. Immobilization of glucose oxidise (GOx) was achieved by cross linking via glutaraldehyde and the efficiency of the immobilization was determined spectrophotometrically. Chronoamperometric curves were recorded at different glucose concentrations and used to estimate the apparent Michaelis constant, which was shown to be 0.27 mM. The storage stability of the PANI enzyme electrode was also estimated.
PB  - Bucharest : National Institute of Materials Physics
T2  - Digest journal of nanomaterials and biostructures
T1  - Electrochemically deposited nano fibrous polyanilne for amperometric determination of glucose
SP  - 785
EP  - 794
ER  - 
@article{
author = "Jambrec, Daliborka and Gvozdenović, Milica M. and Antov, Mirjana and Grgur, Branimir and Jokić, Bojan and Stevanović, Jasmina S. and Jugović, Branimir",
year = "2012",
url = "http://dais.sanu.ac.rs/123456789/469",
abstract = "Electrochemical deposition of polyaniline (PANI) on graphite electrode was performed galvanostaticaly at constant current density in the range of 1.0 – 5.0 mA cm-2 from aqueous acidic electrolyte containing aniline monomer. Based on ratio of doping/dedoping
charge capacities, it was estimated that current density of 2.0 mA cm-2 was optimal. The structure of the electrochemically synthesized PANI was fibrous, uniform and three dimensional with highly developed surface. Immobilization of glucose oxidise (GOx) was achieved by cross linking via glutaraldehyde and the efficiency of the immobilization was determined spectrophotometrically. Chronoamperometric curves were recorded at different glucose concentrations and used to estimate the apparent Michaelis constant, which was shown to be 0.27 mM. The storage stability of the PANI enzyme electrode was also estimated.",
publisher = "Bucharest : National Institute of Materials Physics",
journal = "Digest journal of nanomaterials and biostructures",
title = "Electrochemically deposited nano fibrous polyanilne for amperometric determination of glucose",
pages = "785-794"
}
Jambrec D, Gvozdenović MM, Antov M, Grgur B, Jokić B, Stevanović JS, Jugović B. Electrochemically deposited nano fibrous polyanilne for amperometric determination of glucose. Digest journal of nanomaterials and biostructures. 2012;:785-794
Jambrec, D., Gvozdenović, M. M., Antov, M., Grgur, B., Jokić, B., Stevanović, J. S.,& Jugović, B. (2012). Electrochemically deposited nano fibrous polyanilne for amperometric determination of glucose.
Digest journal of nanomaterials and biostructuresBucharest : National Institute of Materials Physics., null, 785-794. 
Jambrec Daliborka, Gvozdenović Milica M., Antov Mirjana, Grgur Branimir, Jokić Bojan, Stevanović Jasmina S., Jugović Branimir, "Electrochemically deposited nano fibrous polyanilne for amperometric determination of glucose" null (2012):785-794

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