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Related Concept Videos

Raman Spectroscopy: Overview01:20

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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.
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Related Experiment Video

Updated: Feb 12, 2026

Author Spotlight: Advancing SERS Technology: Au@Carbon Dot Nanoprobes for Label-Free Analysis and Imaging
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Surface-Enhanced Raman Spectroscopy for Bioanalysis: Reliability and Challenges.

Cheng Zong1, Mengxi Xu1, Li-Jia Xu1

  • 1State Key Laboratory of Physical Chemistry of Solid Surfaces, MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , China.

Chemical Reviews
|April 12, 2018
PubMed
Summary
This summary is machine-generated.

Surface-enhanced Raman spectroscopy (SERS) offers sensitive bioanalysis by leveraging plasmonics. This review focuses on SERS reliability for complex biological systems, addressing challenges in reproducibility and sensitivity.

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Area of Science:

  • Analytical Chemistry
  • Biophysics
  • Materials Science

Background:

  • Surface-enhanced Raman spectroscopy (SERS) provides rich chemical information with high sensitivity due to plasmon enhancement.
  • SERS is suitable for multiplex analysis under ambient and aqueous conditions, making it promising for biological studies.
  • Despite its potential, widespread adoption in biorelated fields faces challenges in reliability and addressing complex biological questions.

Purpose of the Study:

  • To provide a comprehensive overview of bioanalytical SERS, emphasizing the critical issue of reliability.
  • To guide the design of reliable SERS experiments for high detection sensitivity.
  • To discuss the interaction of nanomaterials with biological systems for functionalized SERS nanoparticle design.

Main Methods:

  • Review of SERS mechanisms and their application in bioanalysis.
  • Analysis of nanomaterial-biologics interactions, particularly with living cells.
  • Discussion of label-free and labeled SERS detection strategies for various biological targets.

Main Results:

  • SERS experiments require careful design to ensure reliability and high sensitivity.
  • Understanding nanomaterial-cell interactions is crucial for developing effective SERS probes.
  • Potential interferences from experimental design, conditions, and data analysis must be considered.

Conclusions:

  • Reliability is the key challenge for SERS in bioanalysis to extract meaningful data.
  • Future bioanalytical SERS development must address reproducibility, sensitivity, and resolution.
  • Overcoming these challenges will enable SERS to answer critical biological questions and solve clinical problems.