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Shuyan Gao, Naoto Koshizaki, Hideo Tokuhisa, Emiko Koyama, Takeshi Sasaki, Jae-Kwan Kim, Joonghyun Ryu, Deok-Soo Kim and Yoshiki Shimizu Highly Stable Au Nanoparticles with Tunable Spacing and Their Potential Application in Surface Plasmon Resonance Biosensors Advanced Functional Materials 20

Version of Record online: 24 NOV 2009 | DOI: 10.1002/adfm.200901232

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An innovative colloidal Au-amplified surface plasmon resonance (SPR) transducer is achieved by a using remarkably stable and space-tunable Au/Al2O3 nanocomposite film. This study indicates that the Au/Al2O3 nanocomposite film is very promising; it simultaneously overcomes the instability and uncontrollable interparticle distance, which are the current bottlenecks hampering the application of SPR sensors.

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