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Electropolymerized Molecularly Imprinted Polymers as Receptor Layers in Capacitive Chemical Sensors

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Panasyuk, Tatiana L., Mirsky, Vladimir M., Piletsky, Sergey A., Wolfbeis, Otto S.·1999·Analytical Chemistry

Abstract

The first application of molecularly imprinted polymers to chemical sensors with capacitive detection is described. The sensitive layer was prepared by electropolymerization of phenol on gold electrodes in the presence of the template (phenylalanine). The insulating properties of the polymer layer were studied by electrochemical impedance spectroscopy. Electrical leakages through the polymer layer were suppressed by deposition of a self-assembled monolayer of mercaptophenol before polymerization and of alkanethiol after polymerization. At the final stage of sensor preparation, the template was removed. The multilayer system obtained displayed a decrease in electrical capacitance on addition of phenylalanine. Only a low response was observed toward other amino acids and phenol.

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Metadata

Authors
Panasyuk, T. L., Mirsky, V. M., Piletsky, S. A., & Wolfbeis, O. S.
Venue
Analytical Chemistry
Published
1999-09-11
Volume
71
Issue
20
Pages
4609-4613
ISSN
  • 0003-2700 (ISSN-L)
  • 1520-6882
OpenAlex
W2007712302
Cited by
273
References
0
FWCI
7.94
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Electropolymerized Molecularly Imprinted Polymers as Receptor Layers in Capacitive Chemical Sensors. https://app.cochat.ai/papers/10.1021/ac9903196
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Panasyuk, T. L., Mirsky, V. M., Piletsky, S. A., & Wolfbeis, O. S. (1999). Electropolymerized Molecularly Imprinted Polymers as Receptor Layers in Capacitive Chemical Sensors. Analytical Chemistry. https://doi.org/10.1021/ac9903196

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.