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Related Concept Videos

Raman Spectroscopy: Overview01:20

Raman Spectroscopy: Overview

506
The underlying principle of Raman spectroscopy is based on the interaction between light and matter, specifically molecules' inelastic scattering of photons. When a monochromatic beam of light, typically from a laser source, interacts with a sample, most scattered light has the same frequency as the incident light. This is known as Rayleigh scattering.
However, a small fraction of the scattered light exhibits a frequency shift due to the exchange of energy between the incident photons and...
506
Raman Spectroscopy Instrumentation: Overview01:26

Raman Spectroscopy Instrumentation: Overview

513
A conventional Raman spectrophotometer includes a laser source, a sample holding system, a wavelength selector, and a detector.
The monochromatic laser source, typically using visible or near-infrared radiation, generates a highly focused beam of light. This light interacts with the molecules of the sample, scattering some of the light. Liquid and gaseous samples are usually tested in ordinary glass capillaries, while solids can be analyzed as powders packed in capillaries or as potassium...
513

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Updated: Aug 22, 2025

Surface Enhanced Raman Spectroscopy Detection of Biomolecules Using EBL Fabricated Nanostructured Substrates
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Recent Progress on Solid Substrates for Surface-Enhanced Raman Spectroscopy Analysis.

Kun Ge1, Yuling Hu1, Gongke Li1

  • 1School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China.

Biosensors
|November 10, 2022
PubMed
Summary
This summary is machine-generated.

Solid SERS substrates offer enhanced sensitivity and portability for rapid analysis. This review covers their fabrication, types, and applications in bio-analysis, food safety, and environmental monitoring.

Keywords:
applicationsconstructionperspectivessolid substratesurface-enhanced Raman spectroscopy

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Area of Science:

  • Analytical Chemistry
  • Materials Science
  • Spectroscopy

Background:

  • Surface-enhanced Raman spectroscopy (SERS) is a sensitive vibrational spectroscopy technique.
  • SERS signal quality relies heavily on substrate engineering.
  • Solid SERS substrates are gaining attention for their stability, portability, and hot spot density.

Purpose of the Study:

  • To comprehensively review recent advances in solid SERS substrates.
  • To detail fabrication methods, categories, features, and applications.
  • To discuss challenges and future perspectives for solid SERS substrates.

Main Methods:

  • Review of common fabrication strategies for solid SERS substrates.
  • Categorization of solid SERS substrates (membrane, self-assembled, chip, magnetic, etc.).
  • Analysis of substrate features and representative applications.

Main Results:

  • Detailed introduction to various solid SERS substrate categories and their construction.
  • Overview of applications in bio-analysis, food safety, and environmental monitoring.
  • Identification of key features like hot spot density, stability, and portability.

Conclusions:

  • Solid SERS substrates are versatile tools for various analytical challenges.
  • Further improvements in analytical performance and large-scale production are needed.
  • The field shows significant promise for advancing sensing technologies.