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Surface characterization of a cross-linked cytochrome c film on cysteamine-modified gold electrodes

Karolien De Wael UGent, Sandra Van Vlierberghe UGent, Hans Buschop UGent, Peter Dubruel UGent, Bart Vekemans UGent, Etienne Schacht UGent, Laszlo Vincze UGent and Annemie Adriaens UGent (2009) Surface and Interface Analysis. 41(5). p.389-393
abstract
The aim of the present paper is to characterize a cross-linked horse heart cytochrome c (HHC) film on cysteamine-modified gold electrodes. The HHC film was deposited using 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide (EDC) as a coupling agent. Attenuated total reflection infrared (ATR-IR) spectroscopic analyses were performed to characterize the newly formed surface on a qualitative and conformational level. The film thickness was measured using a noncontact optical surface profiler, while quantitative data and information on the heterogeneity of the film were obtained by means of synchrotron radiation X-ray micro fluorescence (SR micro-XRF). Results indicate that, in addition to electrochemical studies, spectroscopic analysis methods are essential to gain insight in the effect of immobilization strategies on protein conformations. The latter is of relevance in the development and optimization of biosensors.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
keyword
Enzyme, Voltammetry, Immobilization, Microheterogeneity, Redox proteins, Spectra, Electrochemical Biosensors, biosensor, X-Ray-fluorescence, bioelectrochemistry, surface profilometry, EDC, ATR-IR spectroscopy, synchrotron radiation micro X-ray fluorescence, cross-linking, cytochrome c, Horse-heart, Bioelectrochemistry
journal title
Surface and Interface Analysis
Surf. Interface Anal.
volume
41
issue
5
pages
389 - 393
publisher
JOHN WILEY & SONS LTD
place of publication
JOHN WILEY & SONS LTD, THE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND
Web of Science type
Article
Web of Science id
000265542800007
JCR category
CHEMISTRY, PHYSICAL
JCR impact factor
0.998 (2009)
JCR rank
90/120 (2009)
JCR quartile
3 (2009)
ISSN
0142-2421
DOI
10.1002/sia.3035
language
English
UGent publication?
yes
classification
A1
id
669999
handle
http://hdl.handle.net/1854/LU-669999
date created
2009-05-28 10:10:18
date last changed
2009-06-26 15:12:05
@article{669999,
  abstract     = {The aim of the present paper is to characterize a cross-linked horse heart cytochrome c (HHC) film on cysteamine-modified gold electrodes. The HHC film was deposited using 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide (EDC) as a coupling agent. Attenuated total reflection infrared (ATR-IR) spectroscopic analyses were performed to characterize the newly formed surface on a qualitative and conformational level. The film thickness was measured using a noncontact optical surface profiler, while quantitative data and information on the heterogeneity of the film were obtained by means of synchrotron radiation X-ray micro fluorescence (SR micro-XRF). Results indicate that, in addition to electrochemical studies, spectroscopic analysis methods are essential to gain insight in the effect of immobilization strategies on protein conformations. The latter is of relevance in the development and optimization of biosensors.},
  author       = {De Wael, Karolien and Van Vlierberghe, Sandra and Buschop, Hans and Dubruel, Peter and Vekemans, Bart and Schacht, Etienne and Vincze, Laszlo and Adriaens, Annemie},
  issn         = {0142-2421},
  journal      = {Surface and Interface Analysis},
  keyword      = {Enzyme,Voltammetry,Immobilization,Microheterogeneity,Redox proteins,Spectra,Electrochemical Biosensors,biosensor,X-Ray-fluorescence,bioelectrochemistry,surface profilometry,EDC,ATR-IR spectroscopy,synchrotron radiation micro X-ray fluorescence,cross-linking,cytochrome c,Horse-heart,Bioelectrochemistry},
  language     = {eng},
  number       = {5},
  pages        = {389--393},
  publisher    = {JOHN WILEY \& SONS LTD},
  title        = {Surface characterization of a cross-linked cytochrome c film on cysteamine-modified gold electrodes},
  url          = {http://dx.doi.org/10.1002/sia.3035},
  volume       = {41},
  year         = {2009},
}

Chicago
De Wael, Karolien, Sandra Van Vlierberghe, Hans Buschop, Peter Dubruel, Bart Vekemans, Etienne Schacht, Laszlo Vincze, and Annemie Adriaens. 2009. “Surface Characterization of a Cross-linked Cytochrome c Film on Cysteamine-modified Gold Electrodes.” Surface and Interface Analysis 41 (5): 389–393.
APA
De Wael, K., Van Vlierberghe, S., Buschop, H., Dubruel, P., Vekemans, B., Schacht, E., Vincze, L., et al. (2009). Surface characterization of a cross-linked cytochrome c film on cysteamine-modified gold electrodes. Surface and Interface Analysis, 41(5), 389–393.
Vancouver
1.
De Wael K, Van Vlierberghe S, Buschop H, Dubruel P, Vekemans B, Schacht E, et al. Surface characterization of a cross-linked cytochrome c film on cysteamine-modified gold electrodes. Surface and Interface Analysis. JOHN WILEY & SONS LTD, THE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND: JOHN WILEY & SONS LTD; 2009;41(5):389–93.
MLA
De Wael, Karolien, Sandra Van Vlierberghe, Hans Buschop, et al. “Surface Characterization of a Cross-linked Cytochrome c Film on Cysteamine-modified Gold Electrodes.” Surface and Interface Analysis 41.5 (2009): 389–393. Print.