Magnetically responsive elastic microspheres

被引：43
|
作者：
Peng, Suili [1 ,2 ]
Zhang, Mengying [1 ,2 ]
Niu, Xize [1 ,2 ]
Wen, Weijia [1 ,2 ]
Sheng, Ping [1 ,2 ]
Liu, Zhengyou [3 ]
Shi, Jing [3 ]
机构：
[1] Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China
[2] Hong Kong Univ Sci & Technol, Inst Nano Sci & Technol, Kowloon, Hong Kong, Peoples R China
[3] Wuhan Univ, Dept Phys, Wuhan 430072, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 01期
基金：
中国国家自然科学基金;
关键词：
17;
D O I：
10.1063/1.2830620
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report the design, fabrication, and characterization of magnetically responsive elastic microspheres consisting of polydimethylsioxane (PDMS) and magnetic nano-/microparticles. The microspheres can have either core-shell or solid structure, fabricated by using a microfluidic technique. The mechanical characteristics are determined with a modified electronic balance, and the results show that the microspheres exhibit magnetostrictive effect. Such microspheres can in addition behave as a smart material controllable through an external magnetic field. Owing to the transparency, biocompatibility and nontoxicity of PDMS, the magnetically responsive elastic microspheres may have potential applications in drug delivery, biosensing, bioseparation, and medical diagnosis. (C) 2008 American Institute of Physics.
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页数：3
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