2004
DOI: 10.1002/app.20882
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Abstract: A novel water-soluble, conducting polypyrrole was synthesized by horseradish peroxidase (HRP), in the presence of sulfonated polystyrene, as a polyanionic template. The HRP is an effective catalyst for the oxidative polymerization of pyrrole in the presence of hydrogen peroxide at room temperature. The reaction is sensitive to solution pH and it is performed in pH 2 aqueous solutions. Polymerization of pyrrole by this biological route produced a conducting water-soluble polypyrrole for the first time. The reac… Show more

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Cited by 84 publications
(61 citation statements)
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“…The IR spectrum of polypyrrole exhibits well-defi ned peaks that are characteristic of this polymer (see Table S1). [39][40][41][42] In contrast, the carbonized and activated samples exhibit broader and overlapping bands due to the strong absorption of carbon. All the spectra exhibit a peak that is characteristic of C = C stretching vibrations in aromatic rings at ≈ 1590 cm − 1 for the carbonized sample and 1590-1620 cm − 1 for the activated samples.…”
Section: Chemical Properties Of N-doped Activated Carbonsmentioning
confidence: 86%
“…The IR spectrum of polypyrrole exhibits well-defi ned peaks that are characteristic of this polymer (see Table S1). [39][40][41][42] In contrast, the carbonized and activated samples exhibit broader and overlapping bands due to the strong absorption of carbon. All the spectra exhibit a peak that is characteristic of C = C stretching vibrations in aromatic rings at ≈ 1590 cm − 1 for the carbonized sample and 1590-1620 cm − 1 for the activated samples.…”
Section: Chemical Properties Of N-doped Activated Carbonsmentioning
confidence: 86%
“…Bruker FT-IR Spectrophotometer operated at room temperature in the normal IR region 4000-650 cm −1 and 4 cm −1 band resolutions was used for structural analysis [7].…”
Section: Ft-ir Analysismentioning
confidence: 99%
“…The characteristics bands of 1261, 1556, and 3431 cm −1 can be seen among the FTIR peaks of PPy and its nanocomposites which are due to C-N, C=C, and N-H bands. [9,37,39] An appeared peak at 1700 cm −1 is related to the C=O groups of surfactant which is used for the synthesis of neat PPy and its nanocomposites. [34] The spectra of the PPy/ITO have almost identical peaks as those associated with the structure of neat PPy, which is due to the dominating phase of PPy in the formed nanocomposites.…”
Section: Ftir Analysismentioning
confidence: 99%