Drug release from electric-field-responsive nanoparticles.
Drug release from electric-field-responsive nanoparticles.
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DOI:
10.1021/nn203430m
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发表时间:
2012-01-24
期刊:
影响因子:
17.1
通讯作者:
Zare RN
中科院分区:
文献类型:
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作者:
Ge J;Neofytou E;Cahill TJ 3rd;Beygui RE;Zare RN
We describe a new temperature and electric field dual-stimulus responsive nanoparticle system for programmed drug delivery. Nanoparticles of a conducting polymer (polypyrrole) are loaded with therapeutic pharmaceuticals and are subcutaneously localized in vivo with the assistance of a temperature-sensitive hydrogel (PLGA-PEG-PLGA). We have shown that drug release from the conductive nanoparticles is controlled by the application of a weak, external DC electric field. This approach represents a novel interactive drug delivery system that can show an externally tailored release profile with an excellent spatial, temporal, and dosage control.
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