1998
DOI: 10.1021/ja982270b
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Enzymatically Synthesized Conducting Polyaniline

Abstract: A novel strategy for the enzymatic synthesis of a water-soluble, conducting polyaniline (PANI)/sulfonated polystyrene (SPS) complex is presented. The enzyme horseradish peroxidase (HRP) is used to polymerize aniline in the presence of a polyanionic template, sulfonated polystyrene. The synthesis is simple, and the conditions are mild in that the polymerization may be carried out in a 4.3 pH buffered aqueous solution, with a stoichiometric amount of hydrogen peroxide and a catalytic amount of enzyme. UV−visible… Show more

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Cited by 488 publications
(429 citation statements)
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References 74 publications
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“…570 nm suggests that, at pH 10, PANi has been completely de-doped to the base form. These results are comparable to those previously observed for both chemically and enzymatically synthesized PANi [27,28,30,37].…”
Section: Nano Researchsupporting
confidence: 92%
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“…570 nm suggests that, at pH 10, PANi has been completely de-doped to the base form. These results are comparable to those previously observed for both chemically and enzymatically synthesized PANi [27,28,30,37].…”
Section: Nano Researchsupporting
confidence: 92%
“…3(a), upon modifi cation, m-M13 239 Nano Res (2008) 1: 235 241 Composite fiber conductivity was determined to be 5×10 4 S/cm using a standard four-point probe technique. The conductivity is similar to literature reports where PSS was used as the doping agent [27,28]. The PSS-PANi/m-M13 composite fibers could be easily fabricated into thin fi lms via a spincoating process (Fig.…”
Section: Nano Researchsupporting
confidence: 84%
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“…The pK a of the benzenesulfonic group in SPS is much lower than that of the phosphate group in DNA. 21 Therefore, at pH 4, the DNA is less dissociated when compared with the SPS, therefore affecting the degree and reversibility of the doping/dedoping process. It is important to note however that observance of this doping/dedoping process further supports both the presence and electroactivity of polyaniline with the DNA template.…”
Section: Resultsmentioning
confidence: 99%