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Basic Electrochemistry Meets Nanotechnology: Electrochemical Preparation of Artificial Receptors Based on Nanostructured Conducting Polymer, Polypyrrole

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Almira Ramanaviciene

Institute of Immunology of Vilnius University, 08409 Vilnius, Lithuania

Arunas Ramanavicius

Institute of Immunology of Vilnius University, 08409 Vilnius, Lithuania; Faculty of Chemistry, Vilnius University, 03225 Vilnius, Lithuania

Arnonas Finkelsteinas

Faculty of Chemistry, Vilnius University, 03225 Vilnius, Lithuania

J. Chem. Educ., 2006, 83 (8), p 1212

DOI: 10.1021/ed083p1212

Publication Date (Web): August 1, 2006

Section:

History, Education, and Documentation

Abstract

This article examines the usefulness of a conducting polymer, polypyrrole, in the design of molecularly imprinted polymer-based sensors. Basic electrochemical techniques previously described in this Journal are applied in the preparation of the molecularly imprinted conducting polymer polypyrrole (mPpy). Pulsed amperometric detection (PAD) method is applied for the estimation of success in the preparation of mPpy and for the detection of analyte interaction with the complementary cavities imprinted within the polymeric backbone. Caffeine was selected as a template molecule for molecular imprinting of polypyrrole. Estimation of caffeine concentration has an analytical impact owing to its high biological activity. Moreover, caffeine is well known to the students. Application of electrochemical polymerization techniques enables preparation of molecularly imprinted conducting polymer-based analytical systems. Such systems exhibit an artificially created affinity and can act as synthetic receptors.

Keywords (Audience):

Upper-Division Undergraduate

Keywords (Domain):

Analytical Chemistry

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Bioanalytical Chemistry

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This article has been cited by 4 ACS Journal articles (4 most recent appear below).

Polymerization Model for Hydrogen Peroxide Initiated Synthesis of Polypyrrole Nanoparticles
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  Langmuir 0 (ja),
  A very simple, environmentally friendly, one-step oxidative polymerization route to fabricate polypyrrole (Ppy) nanoparticles of fixed size and morphology was developed and investigated. The herein proposed method is based on the application of sodium ...
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Regiochemistry of Poly(3-hexylthiophene): Synthesis and Investigation of a Conducting Polymer
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  A series of experiments for undergraduate laboratory courses (e.g., organic, polymer, inorganic) have been developed. These experiments focus on understanding the regiochemistry of the conducting polymer poly(3-hexylthiophene) (P3HT). The substitution ...
  Abstract | Full Text HTML | Hi-Res PDF | PDF w/ Links
Layer-by-Layer Assembly of a pH-Responsive and Electrochromic Thin Film
Daniel J. Schmidt, Eric M. Pridgen, Paula T. Hammond and J. Christopher Love
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  Journal of Chemical Education2010 87 (2), 208-211
  This article summarizes an experiment on thin-film fabrication with layer-by-layer assembly that is appropriate for undergraduate laboratory courses. The purpose of this experiment is to teach students about self-assembly in the context of thin films and ...
  Abstract | Full Text HTML | Hi-Res PDF | PDF w/ Links
Gold Electrodes Modified with Self-Assembled Monolayers for Measuring L-Ascorbic Acid: An Undergraduate Analytical Chemistry Laboratory Experiment
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Journal of Chemical Education2008 85 (8), 1112
- Gold Electrodes Modified with Self-Assembled Monolayers for Measuring L-Ascorbic Acid: An Undergraduate Analytical Chemistry Laboratory Experiment
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  This article describes an undergraduate electrochemistry laboratory experiment in which the students measure the L-ascorbic acid content of a real sample. Gold electrodes modified with self-assembled monolayers (SAMs) of thioctic acid and cysteamine are ...
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