A magnetically triggered composite membrane for on-demand drug delivery.

A magnetically triggered composite membrane for on-demand drug delivery.
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DOI:
10.1021/nl9018935
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发表时间:
2009-10
期刊:
影响因子:
10.8
通讯作者:
Kohane DS
Kohane DS
中科院分区:
材料科学1区
文献类型:
--
作者:
Hoare T;Santamaria J;Goya GF;Irusta S;Lin D;Lau S;Padera R;Langer R;Kohane DS

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Nanocomposite membranes based on thermosensitive, poly(N-isopropylacrylamide)-based nanogels and magnetite nanoparticles have been designed to achieve “on-demand” drug delivery upon the application of an oscillating magnetic field. On-off release of sodium fluorescein over multiple magnetic cycles has been successfully demonstrated using prototype membrane-based devices. The total drug dose delivered was directly proportional to the duration of the “on” pulse. The membranes were non-cytotoxic, biocompatible, and retained their switchable flux properties after 45 days of subcutaneous implantation.
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