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Related Concept Videos

Raman Spectroscopy: Overview01:20

Raman Spectroscopy: Overview

2.0K
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...
2.0K
Raman Spectroscopy Instrumentation: Overview01:26

Raman Spectroscopy Instrumentation: Overview

1.5K
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...
1.5K
Molecular Spectroscopy: Absorption and Emission01:14

Molecular Spectroscopy: Absorption and Emission

5.0K
Molecules possess discrete energy levels called quantum states. Unlike atoms, which have simpler energy levels, molecules possess additional rotational and vibrational energy levels.  Each energy level is separated by an energy gap, with the gaps between adjacent electronic, vibrational, and rotational levels varying significantly. The three types of energy levels in a diatomic molecule are shown in Figure 1.
5.0K
Applications of IR Spectroscopy: Overview01:11

Applications of IR Spectroscopy: Overview

2.5K
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,...
2.5K
UV–Vis Spectroscopy: Molecular Electronic Transitions01:16

UV–Vis Spectroscopy: Molecular Electronic Transitions

3.2K
In Ultraviolet–Visible (UV–Vis) spectroscopy, the absorption of electromagnetic radiation is used to probe the electronic structure of molecules. This technique provides insights into molecular electronic transitions, particularly the movement of electrons between different molecular orbitals. Radiation is absorbed if the energy of the electromagnetic radiation passing through the molecule is precisely equal to the energy difference between the excited and ground states. During this...
3.2K
Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview01:02

Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview

8.2K
Ultraviolet–visible (UV–visible or UV–Vis) spectroscopy is an analytical technique that investigates the interaction between matter and UV–Vis light within the electromagnetic spectrum. This method is widely used for its versatility, simplicity, and relatively quick data acquisition, making it valuable for both qualitative and quantitative analysis. When UV–Vis radiation passes through a material,  molecules absorb light depending on the energy required for...
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Updated: Mar 1, 2026

Raman and IR Spectroelectrochemical Methods as Tools to Analyze Conjugated Organic Compounds
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Raman spectroscopy as a tool for ecology and evolution.

Arno Germond1, Vipin Kumar2, Taro Ichimura2

  • 1RIKEN Quantitative Biology Center, 6-2-3 Furuedai, Suita, Osaka 565-0874, Japan arno.germond@gmail.com.

Journal of the Royal Society, Interface
|June 9, 2017
PubMed
Summary

Raman spectroscopy offers a powerful, non-destructive method to analyze intra- and interspecies variations in ecology and evolution. This technique provides insights into environmental influences, selective pressures, and fitness, enhancing biological system complexity studies.

Keywords:
Raman spectroscopyecologyexperimental evolutionphenotypingpigmentvibrational imaging

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Area of Science:

  • Ecology and evolutionary biology
  • Biophysical techniques

Background:

  • Biological systems complexity requires novel information modalities.
  • Raman spectroscopy is a microscopy technique with potential applications in ecology and evolution.

Purpose of the Study:

  • Introduce Raman spectroscopy for ecology and evolution research.
  • Discuss its conceptual, technical, and pragmatic integration.
  • Highlight its potential to reveal new biological features.

Main Methods:

  • Utilizing spectral information from Raman spectroscopy.
  • Assessing non-destructive, non-labeling, and rapid data acquisition.
  • Combining with conventional ecological and evolutionary methodologies.

Main Results:

  • Spectral data reliably indicate intra- and interspecies variations.
  • Variations correlate with environmental factors, selective pressures, and fitness.
  • Technical advantages facilitate integration with existing methods.

Conclusions:

  • Raman spectroscopy is a viable tool for ecological and evolutionary studies.
  • It offers new insights into biological variations and their drivers.
  • Encourages expanded research methodologies in ecology and evolution.