Polyelectrolyte Wrapping Layers Control Rates of Photothermal Molecular Release from Gold Nanorods

被引：55

作者：

Huang, Jingyu ^{[1
]}

Jackson, Kaliah S. ^{[1
]}

Murphy, Catherine J. ^{[1
]}

机构：

[1] Univ Illinois, Dept Chem, Urbana, IL 61801 USA

来源：

NANO LETTERS | 2012年 / 12卷 / 06期

关键词：

Gold nanorod; continuous-wave laser; photothermal; polyelectrolyte coating; drug delivery; METAL NANOPARTICLES; TRIGGERED RELEASE; REMOTE RELEASE; DRUG-DELIVERY; AU NANORODS; NANOCAGES; THERAPY; SURFACE; CELLS; DNA;

D O I：

10.1021/nl3007402

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Gold nanorods show great promise as light-controlled molecular release systems. Dye molecules were loaded within a variable number of polyelectrolyte multilayers wrapped around gold nanorods. The dye photoinduced release rate depended on the quantity and type of polyelectrolyte trapping layers and could be tuned by a factor of 100. Only two molecular capping layers were sufficient to turn off release. Comparison of the phototriggered molecular release rate to a pure thermal experiment provides an estimate of the effective temperature of the nanorod solution upon irradiation.

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收藏

页码：2982 / 2987

页数：6

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