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材料导报  2021, Vol. 35 Issue (20): 20183-20189    https://doi.org/10.11896/cldb.20080232
  高分子与聚合物基复合材料 |
图案化与生物功能化聚3,4-乙烯二氧噻吩生物界面
张亚琼1,2, 林兴安2, 潘齐超1,2, 钱思昊1,2, 张述华2, 邱高1, 朱波2
1 东华大学材料科学与工程学院纤维材料改性国家重点实验室,上海 201620
2 上海大学材料科学与工程学院,上海 200444
Patterned and Biofunctionalized Poly(3,4-ethylenedioxythiophene) Interfaces
ZHANG Yaqiong1,2, LIN Hsing-An2, PAN Qichao1,2, QIAN Sihao1,2, ZHANG Shuhua2, QIU Gao1, ZHU Bo2
1 State Key Laboratory for Modification of Chemical Fibers and Polymer Materials & College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
2 School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
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摘要 本工作制备了具有可调控蛋白/细胞作用且低阻抗的功能化聚3,4-乙烯二氧噻吩(PEDOT)的图案化生物界面,并在空间上引导细胞的粘附行为。功能化PEDOT共聚物由具有抗非特异性粘附的磷酸胆碱功能化的EDOT(EDOT-PC)和可进行生物耦合反应的羧基功能化的EDOT(EDOT-COOH)两种单体共聚而成。本工作研究了不同组分共聚物的电化学阻抗性能及其对蛋白、细胞的抗粘附性能,同时通过精氨酸-甘氨酸-天冬氨酸(RGD)多肽的引入实现了在抗非特异性粘附背景下对细胞的特异性粘附。在此基础上,通过光刻及电化学沉积技术制备了由细胞特异性粘附区与抗细胞粘附区组成的图案化PEDOT生物界面,可有效地在空间上控制细胞粘附行为。该工作为研究细胞在材料表面的其他行为提供了可能性,在组织修复、再生工程中有着潜在的应用价值。
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张亚琼
林兴安
潘齐超
钱思昊
张述华
邱高
朱波
关键词:  聚3,4-乙烯二氧噻吩  磷酸胆碱  羧酸功能化  图案化    
Abstract: This study demonstrates that functionalized poly(3,4-ethylenedioxythiophenes) (PEDOTs) with tunable protein/cell interactions and low impedance are applied to fabricate the patterned bio-platform for spatially guiding cell attachment. These functionalized PEDOTs copolymers are prepared by electropolymerized an antifouling EDOT bearing phosphorylcholine (EDOT-PC) and conjugatable EDOT bearing carboxyl acid (EDOT-COOH) into the copolymers. We investigate electrochemical impedance, anti-protein/cell attachment for different composition of the PEDOT copolymers. The specific cell-adhesion on the copolymer surfaces is achieved through grafting RGD peptide on the PEDOTs. Furthermore, we fabricate cell-attachment and cell-repellent micro-patterned PEDOT platforms with different widths by photolithography and electrochemical deposition techniques, the platforms can spatially guide cell attachment effectively, which make it possible for investigating cell behavior. This PEDOT platforms have the potential for tissue repair/regeneration.
Key words:  poly(3,4-ethylenedioxythiophene)    phosphorylcholine    carboxyl acid    micropattern
               出版日期:  2021-10-25      发布日期:  2021-11-12
ZTFLH:  TQ317  
基金资助: 国家自然科学基金(21474014)
通讯作者:  halin@shu.edu.cn; bozhu@shu.edu.cn   
作者简介:  张亚琼,东华大学材料物理与化学专业博士研究生。
林兴安,上海大学教授。主要从事刺激响应性共轭聚合物、pi-共轭分子以及功能化的芳烃研究。
朱波,上海大学教授。主要从事功能化的导电高分子、电响应聚合物、纤维增强复合材料、柔性生物电子、无线无源传感的研究。
引用本文:    
张亚琼, 林兴安, 潘齐超, 钱思昊, 张述华, 邱高, 朱波. 图案化与生物功能化聚3,4-乙烯二氧噻吩生物界面[J]. 材料导报, 2021, 35(20): 20183-20189.
ZHANG Yaqiong, LIN Hsing-An, PAN Qichao, QIAN Sihao, ZHANG Shuhua, QIU Gao, ZHU Bo. Patterned and Biofunctionalized Poly(3,4-ethylenedioxythiophene) Interfaces. Materials Reports, 2021, 35(20): 20183-20189.
链接本文:  
http://www.mater-rep.com/CN/10.11896/cldb.20080232  或          http://www.mater-rep.com/CN/Y2021/V35/I20/20183
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