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Multilayer Gold-Silver Bimetallic Nanostructures to Enhance SERS Detection of Drugs.


ABSTRACT: Surface-enhanced Raman scattering (SERS) is a widely used technique for drug detection due to high sensitivity and molecular specificity. The applicability and selectivity of SERS in the detection of specific drug molecules can be improved by gathering information on the specific interactions occurring between the molecule and the metal surface. In this work, multilayer gold-silver bimetallic nanorods (Au@Ag@AuNRs) have been prepared and used as platforms for SERS detection of specific drugs (namely promethazine, piroxicam, furosemide and diclofenac). The analysis of SERS spectra provided accurate information on the molecular location upon binding and gave some insight into molecule-surface interactions and selectivity in drug detection through SERS.

SUBMITTER: Gambucci M 

PROVIDER: S-EPMC7436262 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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Multilayer Gold-Silver Bimetallic Nanostructures to Enhance SERS Detection of Drugs.

Gambucci Marta M   Cambiotti Elena E   Sassi Paola P   Latterini Loredana L  

Molecules (Basel, Switzerland) 20200728 15


Surface-enhanced Raman scattering (SERS) is a widely used technique for drug detection due to high sensitivity and molecular specificity. The applicability and selectivity of SERS in the detection of specific drug molecules can be improved by gathering information on the specific interactions occurring between the molecule and the metal surface. In this work, multilayer gold-silver bimetallic nanorods (Au@Ag@AuNRs) have been prepared and used as platforms for SERS detection of specific drugs (na  ...[more]

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