Synthesis, characterization, and electrospinning of novel polyaniline-peptide polymers

被引：3

作者：

Archibong, Edikan ^{[1
]}

Foster, Alexander ^{[2
]}

Caldwell, Keirsten ^{[2
]}

Lita, Adrian ^{[3
]}

Mochona, Bereket ^{[2
]}

Mateeva, Nelly ^{[2
]}

机构：

[1] Univ S Florida, Dept Chem & Biomed Engn, 4202 E Fowler Ave,ENB 118, Tampa, FL 33612 USA

[2] Florida A&M Univ, Dept Chem, 1530 South ML King,Jr Blvd, Tallahassee, FL 32307 USA

[3] Florida State Univ, Dept Chem, 95 Chieftan Way, Tallahassee, FL 32306 USA

来源：

APPLIED MATERIALS TODAY | 2016年 / 4卷

关键词：

Polyaniline; Peptides; Polymerization; Electrospinning; DIOXIN-BINDING PENTAPEPTIDE; CONDUCTING POLYMERS; CHIRAL POLYANILINE; PROTEIN MODIFICATION; NANOFIBERS; ANILINE;

D O I：

10.1016/j.apmt.2016.07.004

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Aniline-peptide (FLDQV, FLDQVC, Dansyl-FLDQV, Dansyl-FLDQVC, and FLDQV-AMC) mixtures underwent oxidative chemical and electrochemical polymerization in excess of aniline. The products of the chemical polymerization were low molecular weight polymers containing more than 70% peptide. Electrochemically polymerized species polyaniline-FLDQV (PANI-FLDQV) consisted mainly of polyaniline units containing about 10% peptide. The solubility of the latter in 1,1,1,3,3,3-hexafluoro-2-propanol (HFP) was similar to the camphorsulfonic acid (CSA) doped emeraldine base (PANI-CSA) solubility, however the weight composition of the electrospun fibers produced from the two polymers was significantly different. 2D 1H-13C HSQC analyses were employed to analyze the binding between the aniline and peptide moieties. Binding of peptide to polyaniline is reflected by the appearance of extra cross-peaks which display line broadening between the free polyaniline and the free pentapeptide. Peptides may be chemically bonded to the polymer molecules, but they may also act as doping agents to the nitrogen atoms via hydrogen bonding. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：78 / 82

页数：5

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