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Related Experiment Video

Updated: Jun 5, 2026

Glycan Node Analysis: A Bottom-up Approach to Glycomics
11:36

Glycan Node Analysis: A Bottom-up Approach to Glycomics

Published on: May 22, 2016

Glycan analysis by modern instrumental methods.

Martin Pabst1, Friedrich Altmann

  • 1Department of Chemistry, University of Natural Resources and Life Sciences (BOKU), Vienna, Austria.

Proteomics
|January 18, 2011
PubMed
Summary

Analyzing complex oligosaccharides, like glycans, is challenging. This study assesses analytical strategies for identifying and quantifying diverse glycan structures, crucial for understanding their biological roles.

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Area of Science:

  • Glycomics
  • Analytical Chemistry
  • Biochemistry

Background:

  • Oligosaccharides (glycans) attached to proteins and lipids present significant analytical challenges due to their structural complexity and diversity.
  • The biosynthesis of glycans involves numerous genes and enzymes, leading to a vast array of potential structures and isomers.
  • Understanding the biological functions of glycans necessitates precise identification and quantification of all glycan species.

Purpose of the Study:

  • To evaluate analytical strategies with high-throughput potential for the comprehensive analysis of complex glycans.
  • To explore methods for translating analytical raw data into unambiguous glycan structural assignments.
  • To establish criteria for comparing different analytical approaches based on their ability to discriminate isomers and their resource requirements.

Main Methods:

  • Review and exposition of relevant analytical techniques for glycan analysis.
  • Description of data interpretation workflows, including the use of retention times, mass spectrometry, and fragment spectra.
  • Comparative assessment of analytical strategies based on isomer discrimination, throughput, time, effort, and sample amount.

Main Results:

  • Analytical raw data can be translated into structural assignments using retention times, mass, and fragment spectra.
  • The ability of a method to distinguish between numerous conceivable isomeric structures is a key factor in its effectiveness.
  • The time, effort, and sample quantity required are critical parameters for assessing and comparing analytical approaches.

Conclusions:

  • Developing analytical strategies with high-throughput potential is essential for advancing glycomics research.
  • A comparative assessment framework is proposed to evaluate the evolutionary stage and efficacy of different glycan analysis methods.
  • Unambiguous determination of glycan identity and quantity is achievable through sophisticated analytical techniques and data interpretation.

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Last Updated: Jun 5, 2026

Glycan Node Analysis: A Bottom-up Approach to Glycomics
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Glycan Node Analysis: A Bottom-up Approach to Glycomics

Published on: May 22, 2016

Mass Spectrometric Analysis of Glycosphingolipid Antigens
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Mass Spectrometric Analysis of Glycosphingolipid Antigens

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