Preparation and Characterization of Electrospun Poly(L-lactic acid)/Polyaniline/C<sub>60</sub> Fibers

Wu-dan Li; Jun-yan Yao; Shi-jie Zhang; Xiao Chen

doi:10.11777/j.issn1000-3304.2016.15297

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Preparation and Characterization of Electrospun Poly(L-lactic acid)/Polyaniline/C₆₀ Fibers

Research Article | 更新时间：2021-03-19

- Preparation and Characterization of Electrospun Poly(L-lactic acid)/Polyaniline/C₆₀ Fibers
- Acta Polymerica Sinica Issue 6, Pages: 715-721(2016)
- 作者机构：
  
  西北工业大学理学院应用化学系西安 710072
- 作者简介：
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2016.15297
  CLC：
- Published：2016-6，
  
  Received：3 November 2015，
  
  Revised：3 November 2015，
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Wu-dan Li, Jun-yan Yao, Shi-jie Zhang, Xiao Chen. Preparation and Characterization of Electrospun Poly(L-lactic acid)/Polyaniline/C₆₀ Fibers. [J]. Acta Polymerica Sinica (6):715-721(2016)
DOI：

Wu-dan Li, Jun-yan Yao, Shi-jie Zhang, Xiao Chen. Preparation and Characterization of Electrospun Poly(L-lactic acid)/Polyaniline/C₆₀ Fibers. [J]. Acta Polymerica Sinica (6):715-721(2016) DOI： 10.11777/j.issn1000-3304.2016.15297.

摘要

以富勒烯C

作为聚苯胺的导电掺杂剂

采用乳液聚合-复合法制备了聚乳酸/聚苯胺/富勒烯复合体系(PLA81/PANI14/C

并对其结构和性能进行了表征与理论分析.通过静电纺丝-编织法制备了PLA/PANI/C

导电纤维管.利用555定时器原理设计自制了多谐振荡信号的电刺激装置

将其用于导电纤维管的细胞培养

以考察电刺激作用下导电纤维管上成骨细胞的生长和增殖情况.结果表明

PLA/PANI/C

薄片的电阻率为10

Ω·cm数量级;C

能够促进苯胺乳液聚合的链增长

提高聚苯胺产物的聚合度;PLA/PANI/C

纤维管形貌规整

具有良好的亲水性;在18μA/1 Hz/500 ms电刺激的作用下

PLA/PANI/C

纤维对成骨细胞的生长具有明显的促进作用.加载适当电流电刺激能够加强生长因子对成骨细胞的分化作用

有利于促进成骨细胞的生长和繁殖.

Abstract

The acidified fullerene (C

) was doped into the polyaniline as a conducting dopant

then the poly-(L-lactic acid)/polyaniline/C

(PLA/PANI/C

) was prepared by the method of emulsion polymerization-blending.The structure and properties of PLA/PANI/C

were characterized.The PLA/PANI/C

fiber films and fiber tubes were fabricated by the electrospinning-weaving technology.The morphology

hydrophilicity and electrical properties of PLA/PANI/C

fibers were studied.The result indicated that the resistivity of PLA/PANI/C

films reached to the grade of 10

Ω·cm

which was a semiconductor.An electrical stimulation device outputting the square pulse wave signals was designed and assembled according to the principle of the 555 Timer to be used for electrically stimulating the osteoblast cells on the PLA/PANI/C

fiber mats.The PLA/PANI/C

fiber tube had stable shape and increasing hydrophilicity

so the PLA/PANI/C

fiber mat enhanced the adhesion

growth and proliferation of the osteoblast cells under the stimulation of 18 μA/1 Hz/500 ms signals when it was applied to be the electrical stimulation location material and the host matrix for the cell culture.C

could promote the chain growth of aniline oligomers during the emulsion polymerization

and improve the polymerization degree of polyaniline.The PLA/PANI/C

had the decreasing content of aniline oligomers and less poisonous effect on the osteoblast cells during the electrically stimulating.The appropriate electrical stimulation could enhance the differentiation of the growth factor to osteoblast and promote the growth and reproduction of osteoblasts with the PLA/PANI/C

mats as the concentrating electrical stimulation material.

关键词

聚苯胺聚乳酸富勒烯静电纺丝电刺激细胞增殖

Keywords

PolyanilinePoly (L-lactic acid)C60ElectrospinningElectrical stimulationCell proliferation

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Related Institution

白城师范学院化学系

1 Centre for Advanced Optoelectronic Functional Material Research,Northeast Normal University

The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University

State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University

College of Chemistry and Molecular Engineering, Peking University

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Preparation and Characterization of Electrospun Poly(L-lactic acid)/Polyaniline/C60 Fibers

DOI：10.11777/j.issn1000-3304.2016.15297

摘要

Abstract

关键词

Keywords

references

Preparation and Characterization of Electrospun Poly(L-lactic acid)/Polyaniline/C₆₀ Fibers