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Sensitive and Selective Detection of Prostate Specific Antigen beyond ELISA Using Photonic Crystal Nanolaser

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Abstract

We sensitively detected prostate specific antigen (PSA) using photonic crystal nanolaser sensors. In pure water and impure sample including 1 M BSA, we detected <100 fM PSA, which is lower than the limit of ELISA.

© 2015 Optical Society of America

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