Facile approach to the fabrication of 3D electroconductive nanofibers with controlled size and conductivity templated by bacterial cellulose

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• 作者：Chuntao Chen ; Yalin Yu ; Kangming Li ; Mengyao Zhao ; Lin Liu ; Jiazhi Yang…
• 关键词：Controllable fabrication ; 3D nanofibers ; Bacterial cellulose ; Biocompatible ; Electroconductive ; Templated
• 刊名：Cellulose
• 出版年：2015
• 出版时间：December 2015
• 年：2015
• 卷：22
• 期：6
• 页码：3929-3939
• 全文大小：2,625 KB
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• 作者单位：Chuntao Chen (1) (2)
  Yalin Yu (2)
  Kangming Li (2)
  Mengyao Zhao (2)
  Lin Liu (1) (2)
  Jiazhi Yang (1) (2)
  Jian Liu (3)
  Dongping Sun (1) (2)
  
  1. Institute of Chemicobiology and Functional Materials, Nanjing University of Science and Technology, 200 Xiao Ling Wei Street, Nanjing, Jiangsu Province, China
  2. School of Chemical Engineering, Nanjing University of Science and Technology, 200 Xiao Ling Wei Street, Nanjing, Jiangsu Province, China
  3. Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, 199 Ren Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu Province, China
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Bioorganic Chemistry
  Physical Chemistry
  Organic Chemistry
  Polymer Sciences
  
• 出版者：Springer Netherlands
• ISSN：1572-882X

文摘

Controlled fabrication of biocompatible nanofibers with the required nanoscale and electrical performance can meet the needs of practical applications in biomedicine and electrochemistry. Here we report a high-performance 3D electroconductive nanomaterial templated by biocompatible bacterial cellulose (BC) nanofibers. Our approach can coat BC nanofibers with poly(3,4-ethylenedioxythiophene) (PEDOT) by in situ interfacial polymerization in a controllable manner, with average nanofiber diameters of 30-00 nm. PSS (poly(styrene sulfonate)) was doped to improve its conductivity in a controlled way. Mechanical performance and electrochemical measurements showed that the composite possesses excellent electroactive and mechanical stability. Especially evidence was provided that the BC/PEDOT nanofibers with moderate PSS doping had excellent biocompatibility according to the results concerning the cellular morphology and proliferation of human mesenchymal stem cells cultured on the BC/PEDOT/PSS nanofibers. As a 3D conductive nanomaterial with flexibility, it shows potential application in electroactive substrates/scaffolds for tissue engineering, cell culture, biosensors, drug delivery and implanted electrodes. Keywords Controllable fabrication 3D nanofibers Bacterial cellulose Biocompatible Electroconductive Templated