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Surface Enhanced Raman Spectroscopy Detection of Biomolecules Using EBL Fabricated Nanostructured Substrates
11:44

Surface Enhanced Raman Spectroscopy Detection of Biomolecules Using EBL Fabricated Nanostructured Substrates

Published on: March 20, 2015

Surface-active substrates for Raman and luminescence analysis.

T Vo-Dinh1, G H Miller, J Bello

  • 1Advanced Monitoring Development Group, Health and Safety Research Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6101, U.S.A.

Talanta
|January 1, 1989
PubMed
Summary
This summary is machine-generated.

This study developed active materials for enhanced Raman and fluorescence spectroscopy. Silver-coated microspheres and silica-coated membranes improve sensitivity for analyzing compounds like benzo[a]pyrene.

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Area of Science:

  • Analytical Chemistry
  • Materials Science
  • Spectroscopy

Background:

  • Developing sensitive analytical techniques is crucial for detecting trace compounds.
  • Optically enhanced spectroscopy methods require specialized active materials for improved performance.

Purpose of the Study:

  • To develop and characterize active materials for optically enhanced Raman and fluorescence spectroscopy.
  • To investigate the efficacy of these materials for analyzing specific chemical compounds.

Main Methods:

  • Fabrication of silver-coated microsphere substrates for surface-enhanced Raman scattering (SERS).
  • Preparation of cellulose membranes coated with fumed silica microparticles for surface luminescence analysis.
  • Systematic investigation of experimental parameters like angle of incidence and excitation wavelength for SERS.
  • Analysis of benzo[a]pyrene and its derivatives using the developed substrates and techniques.

Main Results:

  • Demonstrated the effectiveness of silver-coated microspheres for SERS.
  • Showcased the enhanced sensitivity of silica-coated membranes for luminescence analysis.
  • Identified optimal experimental conditions for the spectroscopic techniques.
  • Successfully analyzed benzo[a]pyrene and its derivatives, validating the material's efficacy.

Conclusions:

  • The developed active materials significantly enhance Raman and fluorescence spectroscopy sensitivity.
  • These materials provide a robust platform for the sensitive detection and analysis of organic compounds.
  • The study highlights the potential of these optically enhanced spectroscopic methods in various analytical applications.