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Measuring the metabolome: current analytical technologies.

Warwick B Dunn1, Nigel J C Bailey, Helen E Johnson

  • 1Bioanalytical Sciences Group, School of Chemistry, University of Manchester, Faraday Building, Sackville Street, P. O. Box 88, Manchester, UKM60 1QD. Warwick.Dunn@manchester.ac.uk.

The Analyst
|April 27, 2005
PubMed
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Metabolomics studies biological variation using techniques like mass spectrometry and NMR. This review compares methods for analyzing metabolites, aiding researchers in choosing the best approach for their studies.

Area of Science:

  • Biochemistry
  • Systems Biology
  • Analytical Chemistry

Background:

  • The post-genomics era necessitates comprehensive analysis of biological variation.
  • Variation is studied at genomic, proteomic, and metabolomic levels.
  • Metabolomics, the study of small molecule metabolites, lacks a definitive primary analytical technique.

Purpose of the Study:

  • To review and compare techniques used in metabolomics.
  • To discuss the advantages and disadvantages of various metabolomic analytical methods.
  • To provide context for the current state of metabolomics research.

Main Methods:

  • Mass spectrometry (MS)
  • Nuclear Magnetic Resonance (NMR) spectroscopy
  • Vibrational spectroscopic techniques

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Main Results:

  • Each technique (MS, NMR, vibrational spectroscopy) has unique strengths and weaknesses for metabolomic analysis.
  • Published research demonstrates diverse applications of these techniques across various biological systems.
  • A comparative analysis highlights the trade-offs in sensitivity, resolution, and scope for each method.

Conclusions:

  • The choice of technique in metabolomics depends on the specific research question and biological system.
  • Further development and comparative studies are crucial for advancing metabolomic analysis.
  • Understanding the capabilities of different techniques is key to effectively characterizing biological variation.