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Gold nanoparticle-polymer/biopolymer complexes for protein sensing.


ABSTRACT: Nanoparticle-based sensor arrays have been used to distinguish a wide range of biomolecular targets through pattern recognition. Such biosensors require selective receptors that generate a unique response pattern for each analyte. The tunable surface properties of gold nanoparticles make these systems excellent candidates for the recognition process. Likewise, the metallic core makes these particles fluorescence superquenchers, facilitating transduction of the binding event. In this report we analyze the role of gold nanoparticles as receptors in differentiating a diversity of important human proteins, and the role of the polymer/biopolymer fluorescent probes for transducing the binding event. A structure-activity relationship analysis of both the probes and the nanoparticles is presented, providing direction for the engineering of future sensor systems.

SUBMITTER: Moyano DF 

PROVIDER: S-EPMC4102399 | biostudies-literature | 2011

REPOSITORIES: biostudies-literature

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Gold nanoparticle-polymer/biopolymer complexes for protein sensing.

Moyano Daniel F DF   Rana Subinoy S   Bunz Uwe H F UH   Rotello Vincent M VM  

Faraday discussions 20110101


Nanoparticle-based sensor arrays have been used to distinguish a wide range of biomolecular targets through pattern recognition. Such biosensors require selective receptors that generate a unique response pattern for each analyte. The tunable surface properties of gold nanoparticles make these systems excellent candidates for the recognition process. Likewise, the metallic core makes these particles fluorescence superquenchers, facilitating transduction of the binding event. In this report we an  ...[more]

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