Photosensitized NO release from water-soluble nanoparticle assemblies

被引:61
|
作者
Neuman, Daniel
Ostrowski, Alexis D.
Absalonson, Ryan O.
Strouse, Geoffrey F.
Ford, Peter C. [1 ]
机构
[1] Univ Calif Santa Barbara, Dept Chem & Biochem, Santa Barbara, CA 93106 USA
[2] Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USA
关键词
D O I
10.1021/ja070490w
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The photoluminescence from CdSe/ZnS core/shell quantum dots, modified to make them water-soluble by exchanging the surface ligands with dihydrolipoic acid, is partially quenched by adding the chromium(III) complex trans-Cr(cylcam)(ONO)(2)(+) (1, BF4- salt). This quenching, attributed to the formation of electrostatic assemblies due to ion pairing of 1 with the negatively charged QD surface, is accompanied by the release of NO owing to photosensitized reaction of the Cr(III) nitrito complex.
引用
收藏
页码:4146 / +
页数:3
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