Rucai Qi

Xiamen University

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Dongtao Ge

Xiamen University

Wei Shi

Xiamen University

Jing Mu

University of California, San Diego

Sanqing Huang

Zhejiang Sci-Tech University

Yuqing Shen

Xiamen University

Shimin Hong

Xiamen University

Vladimir Linkov

University of the Western Cape

Xiuming Zhang

Zhejiang University

Shan Ji

Jiaxing University

Donghui Li

Wuhan University of Technology

Cooperative Institutions

Xiamen University

Fudan University

University of the Western Cape

Pingdingshan University

Jiaxing University

Qingdao University of Science and Technology

Nanjing Medical University

Collaborative Innovation Center of Chemistry for Energy Materials

Nanjing University of Aeronautics and Astronautics

Chinese Academy of Sciences

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A self-powered and thermally-responsive drug delivery system based on conducting polymers

Electrochemistry Communications (2010)

Dongtao Ge Rucai Qi Jing Mu Xiaoning Ru Shimin Hong

A simple self-powered drug delivery system was developed based on the galvanic cell mechanism, involving the direct deposition of a drug-contained polypyrrole (PPy) film on the one side of a titanium foil. After covering the other side with a eicosane-poly(l-lactide) (PLLA) blend film, it is interesting to observe that massive drug release only occurred when the release medium was heated to the body temperature. The methyltetrazolium (MTT) assay indicated that the system had good biocompatibility. Since titanium is one of the most commonly used load-bearing implant materials, it is expected that the present drug delivery system can find applications in titanium-related orthopaedic fields.

Biocompatibility

Polypyrrole

Galvanic cell

10.1016/j.elecom.2010.05.035

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Citations (23)

A polypyrrole-based microchip for controlled drug release

Electrochimica Acta (2009)

Dongtao Ge Xiangdong Tian Rucai Qi Sanqing Huang Jing Mu

Polypyrrole

Biocompatibility

10.1016/j.electacta.2009.08.049

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Citations (60)

Nanowire‐Based Polypyrrole Hierarchical Structures Synthesized by a Two‐Step Electrochemical Method

ChemPhysChem (2009)

Dongtao Ge Sanqing Huang Rucai Qi Jing Mu Yuqing Shen

Abstract A simple two‐step electrochemical method is proposed for the synthesis of nanowire‐based polypyrrole hierarchical structures. In the first step, microstructured polypyrrole films are prepared by electropolymerization. Then, polypyrrole nanowires are electrodeposited on the surface of the as‐synthesized microstructured polypyrrole films. As a result, hierarchical structures of polypyrrole nanowires on polypyrrole microstructures are obtained. The surface wettabilities of the resulting nanowire‐based polypyrrole hierarchical structures are examined. It is expected that this two‐step method can be developed into a versatile route to produce nanowire‐based polypyrrole hierarchical structures with different morphologies and surface properties.

Polypyrrole

10.1002/cphc.200900218

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Citations (12)

Cover Picture: Nanowire-Based Polypyrrole Hierarchical Structures Synthesized by a Two-Step Electrochemical Method (ChemPhysChem 11/2009)

ChemPhysChem (2009)

Dongtao Ge Sanqing Huang Rucai Qi Jing Mu Yuqing Shen

The cover picture illustrates a two-step electrochemical method for the formation of nanowire-based polypyrrole hierarchical structures, in which the conductivities of the working electrode ITO (indium tin oxide) are different. The authors D. Ge, W. Shi et al. show on page 1916 that the different geometric structures exhibit entirely different surface wettabilities.

Polypyrrole

Indium tin oxide

10.1002/cphc.200990039

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