Surface Modification of Polyacrylonitrile Fibre by Nitrile Hydratase from Corynebacterium nitrilophilus

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• 作者：Sheng Chen (1) (2)
  Huihui Gao (1) (2)
  Jian Chen (1) (2)
  Jing Wu (1) (2)
  
• 关键词：Corynebacterium nitrilophilus ; Nitrile hydratase ; Polyacrylonitrile ; Modification
• 刊名：Applied Biochemistry and Biotechnology
• 出版年：2014
• 出版时间：November 2014
• 年：2014
• 卷：174
• 期：6
• 页码：2058-2066
• 全文大小：1,368 KB
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• 作者单位：Sheng Chen (1) (2)
  Huihui Gao (1) (2)
  Jian Chen (1) (2)
  Jing Wu (1) (2)
  
  1. State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Ave., Wuxi, Jiangsu, 214122, China
  2. School of Biotechnology and Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, 1800 Lihu Ave., Wuxi, Jiangsu, 214122, China
  
• ISSN：1559-0291

文摘

Previously, nitrile hydratase (NHase) from Corynebacterium nitrilophilus was obtained and showed potential in polyacrylonitrile (PAN) fibre modification. In the present study, the modification conditions of C. nitrilophilus NHase on PAN were investigated. In the optimal conditions, the wettability and dyeability (anionic and reactive dyes) of PAN treated by C. nitrilophilus NHase reached a similar level of those treated by alkali. In addition, the chemical composition and microscopically observable were changed in the PAN surface after NHase treatment. Meanwhile, it revealed that cutinase combined with NHase facilitates the PAN hydrolysis slightly because of the ester existed in PAN as co-monomer was hydrolyzed. All these results demonstrated that C. nitrilophilus NHase can modify PAN efficiently without textile structure damage, and this study provides a foundation for the further application of C. nitrilophilus NHase in PAN modification industry.