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Related Concept Videos

Raman Spectroscopy: Overview01:20

Raman Spectroscopy: Overview

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 the...
Raman Spectroscopy Instrumentation: Overview01:26

Raman Spectroscopy Instrumentation: Overview

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...
Applications Of NMR In Biology01:25

Applications Of NMR In Biology

Nuclear magnetic resonance (NMR) spectroscopy is a very valuable analytical technique for researchers. It has been used for more than 50 years as an analytical tool. F. Bloch and E. Purcell formulated NMR in 1946 and won the 1952 Nobel Prize in Physics  for their work. Biological macromolecules such as proteins, nucleic acids, lipids, and organic molecules including pharmaceutical compounds, can be studied using this versatile tool that exploits the magnetic properties of certain nuclei.
The...
Applications of IR Spectroscopy: Overview01:11

Applications of IR Spectroscopy: Overview

The non-destructive nature and ability to provide valuable chemical information make IR spectroscopy a versatile technique with broad applications in various scientific and industrial fields. IR spectroscopy is commonly used to identify and characterize organic and inorganic compounds. It provides information about the functional groups present in a molecule and the bonding between atoms. This helps in the structural elucidation of compounds during organic synthesis, pharmaceutical research,...

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Updated: Jun 28, 2026

Raman and IR Spectroelectrochemical Methods as Tools to Analyze Conjugated Organic Compounds
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Raman and IR Spectroelectrochemical Methods as Tools to Analyze Conjugated Organic Compounds

Published on: October 12, 2018

Raman spectroscopy in bioanalysis.

D Pappas1, B W Smith, J D Winefordner

  • 1Department of Chemistry, University of Florida, PO Box 117200, Gainesville, FL 32611-7200, USA.

Talanta
|October 31, 2008
PubMed
Summary
This summary is machine-generated.

Miniaturized Raman spectrometers offer enhanced performance for bioanalysis. This review covers instrument advancements and applications in biology, chemistry, and medicine for diagnostics.

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Rejection of Fluorescence Background in Resonance and Spontaneous Raman Microspectroscopy
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Raman and IR Spectroelectrochemical Methods as Tools to Analyze Conjugated Organic Compounds
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Published on: October 12, 2018

Rejection of Fluorescence Background in Resonance and Spontaneous Raman Microspectroscopy
15:04

Rejection of Fluorescence Background in Resonance and Spontaneous Raman Microspectroscopy

Published on: May 18, 2011

Area of Science:

  • Analytical Chemistry
  • Biotechnology
  • Medical Diagnostics

Background:

  • Raman spectroscopy is a powerful technique for molecular analysis.
  • Traditional Raman instruments faced limitations in size and efficiency.
  • Recent technological progress enables smaller, more efficient spectrometer designs.

Purpose of the Study:

  • To review recent advancements in Raman spectrometer instrumentation.
  • To discuss the impact of these improvements on bioanalysis.
  • To highlight diverse applications of Raman spectroscopy in diagnostics.

Main Methods:

  • Review of recent literature on Raman spectrometer design.
  • Analysis of performance enhancements in new instruments.
  • Compilation of case studies on diagnostic applications.

Main Results:

  • Smaller, more efficient components have been integrated into Raman spectrometers.
  • Instrument performance, including sensitivity and speed, has significantly improved.
  • Increased adoption of Raman spectroscopy in various bioanalytical fields.

Conclusions:

  • Modern Raman spectroscopy instrumentation is more accessible and versatile.
  • The technique shows significant promise for disease diagnosis and biological research.
  • Continued innovation in instrument design will further expand its utility.