Fabricating a reactive surface on the fibroin film by a room-temperature plasma jet array for biomolecule immobilization

doi:10.1088/1674-1056/21/10/105201

中国物理B ›› 2012, Vol. 21 ›› Issue (10): 105201-105201.doi: 10.1088/1674-1056/21/10/105201

• PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES • 上一篇下一篇

Fabricating a reactive surface on the fibroin film by a room-temperature plasma jet array for biomolecule immobilization

陈光良^a, 郑旭^a, 吕国华^b, 张朝霞^a, Sylvain Massey^c, Wilson Smith^c, Michael Tatoulian^c, 杨思泽^b

a Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, and Engineering Research Center for Eco-Dyeing & Finishing of Textiles, Zhejiang Sci-Tech University, Hangzhou 310018, China;
b Key Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;
c École Nationale Supérieure de Chimie de Paris-Chimie ParisTech, Laboratoire de Génie des Procédés Plasmas et Traitements de Surfaces, Université Pierre et Marie Curie, Paris 75005, France

收稿日期:2012-04-09 修回日期:2012-06-21 出版日期:2012-09-01 发布日期:2012-09-01
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 11175157), the Young Scientists Fund of the National Natural Science Foundation of China (Grant No. 11005151), the Natural Science Foundation of Zhejiang Province, China (Grant No. Y6100045), the Project for Zhejiang Provincial Key Innovation Team, China (Grant No. 2012R10038).

Fabricating a reactive surface on the fibroin film by a room-temperature plasma jet array for biomolecule immobilization

Chen Guang-Liang (陈光良)^a, Zheng Xu (郑旭)^a, Lü Guo-Hua (吕国华)^b, Zhang Zhao-Xia (张朝霞)^a, Sylvain Massey^c, Wilson Smith^c, Michael Tatoulian^c, Yang Si-Ze (杨思泽)^b

a Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, and Engineering Research Center for Eco-Dyeing & Finishing of Textiles, Zhejiang Sci-Tech University, Hangzhou 310018, China;
b Key Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;
c École Nationale Supérieure de Chimie de Paris-Chimie ParisTech, Laboratoire de Génie des Procédés Plasmas et Traitements de Surfaces, Université Pierre et Marie Curie, Paris 75005, France

Received:2012-04-09 Revised:2012-06-21 Online:2012-09-01 Published:2012-09-01
Contact: Chen Guang-Liang E-mail:glchen@zstu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 11175157), the Young Scientists Fund of the National Natural Science Foundation of China (Grant No. 11005151), the Natural Science Foundation of Zhejiang Province, China (Grant No. Y6100045), the Project for Zhejiang Provincial Key Innovation Team, China (Grant No. 2012R10038).

摘要/Abstract

摘要： A simple dielectric barrier discharge (DBD) jet array was designed with a liquid electrode and helium gas. The characteristics of the jet array discharge and the preliminary polymerization with acrylic acid (AA) monomer were presented. The plasma reactor can produce a cold jet array with a gas temperature lower than 315 K, using an applied discharge power between 6 W and 30 W (V_dis×I_dis). A silk fibroin film (SFF) was modified using the jet array and AA monomer, and the treated SFF samples were characterized by atomic force microscopy (AFM), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), and contact angle (CA). The deposition rate of the poly acrylic acid (PAA) was able to reach 300 nm/min, and the surface roughness and energy increased with the AA flow rate. The FTIR results indicate that the modified SFF had more carboxyl groups (-COOH) than the original SFF. This latter characteristic allowed the modified SFF to immobilize more quantities of antimicrobial peptide (AP, LL-37) which inhibited the Escherichia coli (E. Coli) effectively.

关键词: plasma jet array, polymerizing modification, fibroin film, antimicrobial property

Abstract: A simple dielectric barrier discharge (DBD) jet array was designed with a liquid electrode and helium gas. The characteristics of the jet array discharge and the preliminary polymerization with acrylic acid (AA) monomer were presented. The plasma reactor can produce a cold jet array with a gas temperature lower than 315 K, using an applied discharge power between 6 W and 30 W (V_dis×I_dis). A silk fibroin film (SFF) was modified using the jet array and AA monomer, and the treated SFF samples were characterized by atomic force microscopy (AFM), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), and contact angle (CA). The deposition rate of the poly acrylic acid (PAA) was able to reach 300 nm/min, and the surface roughness and energy increased with the AA flow rate. The FTIR results indicate that the modified SFF had more carboxyl groups (-COOH) than the original SFF. This latter characteristic allowed the modified SFF to immobilize more quantities of antimicrobial peptide (AP, LL-37) which inhibited the Escherichia coli (E. Coli) effectively.

Key words: plasma jet array, polymerizing modification, fibroin film, antimicrobial property

中图分类号: (Plasma torches)

52.75.Hn

52.70.Kz (Optical (ultraviolet, visible, infrared) measurements) 52.80.Hc (Glow; corona)

陈光良, 郑旭, 吕国华, 张朝霞, Sylvain Massey, Wilson Smith, Michael Tatoulian, 杨思泽. Fabricating a reactive surface on the fibroin film by a room-temperature plasma jet array for biomolecule immobilization[J]. 中国物理B, 2012, 21(10): 105201-105201.

Chen Guang-Liang (陈光良), Zheng Xu (郑旭), Lü Guo-Hua (吕国华), Zhang Zhao-Xia (张朝霞), Sylvain Massey, Wilson Smith, Michael Tatoulian, Yang Si-Ze (杨思泽). Fabricating a reactive surface on the fibroin film by a room-temperature plasma jet array for biomolecule immobilization[J]. Chin. Phys. B, 2012, 21(10): 105201-105201.

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Fabricating a reactive surface on the fibroin film by a room-temperature plasma jet array for biomolecule immobilization

Fabricating a reactive surface on the fibroin film by a room-temperature plasma jet array for biomolecule immobilization

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