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Girija Gaur, Dmitry S. Koktysh and Sharon M. Weiss Immobilization of Quantum Dots in Nanostructured Porous Silicon Films: Characterizations and Signal Amplification for Dual-Mode Optical Biosensing Advanced Functional Materials 23

Version of Record online: 27 FEB 2013 | DOI: 10.1002/adfm.201202697

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White light reflective interferometric spectroscopy and fluorescence measurements are used to implement a novel dual-mode optical porous silicon biosensor. Quantum dots act as signal amplifiers resulting in over an order of magnitude increase in sensor response and providing a secondary means of biomolecule-specific recognition through their distinct fluorescence spectra.

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