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Related Concept Videos

Mass Spectrometry: Complex Analysis01:21

Mass Spectrometry: Complex Analysis

Mass spectrometry is an important technique for the identification of pure compounds. However, it has some limitations for the analysis of complex mixtures, often due to excessive fragmentation making the spectrum too complicated to decipher. Mass spectrometry can be combined with suitable separation methods in sequence, forming hyphenated methods, which are useful in the analysis of complex mixtures.
GC–MS is a powerful hyphenated method commonly used in forensics and environmental...
Peptide Identification Using Tandem Mass Spectrometry01:33

Peptide Identification Using Tandem Mass Spectrometry

Tandem mass spectrometry, also known as MS/MS or MS2, is an analytical technique that employs two mass analyzers. Essentially it is a series of mass spectrometers that helps isolate a particular biomolecule and then helps study its chemical properties.
This technique helps gather information regarding the protein from which the peptide was obtained and to study the peptides’ amino acid sequence. Identifying peptides from a complex mixture is an important component of the growing field of...
MALDI-TOF Mass Spectrometry01:19

MALDI-TOF Mass Spectrometry

Mass spectrometry is a powerful characterization technique that can identify and separate a wide variety of compounds ranging from chemical to biological entities, based on their mass-to-charge ratio (m/z). The instruments that allow this detection, known as mass spectrometers, have three components: an ion source, a mass analyzer, and a detector. These spectrometers differ based on the nature of their ion source and analyzers.Matrix-assisted laser desorption ionization (MALDI) is a commonly...

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Related Experiment Video

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Mass Spectrometric Analysis of Glycosphingolipid Antigens
13:09

Mass Spectrometric Analysis of Glycosphingolipid Antigens

Published on: April 16, 2013

Chip-mass spectrometry for glycomic studies.

Laura Bindila1, Jasna Peter-Katalinić

  • 1Institute for Medical Physics and Biophysics, University of Münster, Robert Koch Str. 31, 48149 Münster, Germany. bindila@uni-muenster.de

Mass Spectrometry Reviews
|January 16, 2009
PubMed
Summary
This summary is machine-generated.

Microchip electrospray mass spectrometry enhances carbohydrate analysis by improving sensitivity and heterogeneity assessment. This chip/MS technique is a versatile tool for glycomics and biomarker discovery.

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Area of Science:

  • Analytical Chemistry
  • Biochemistry
  • Glycomics

Background:

  • Carbohydrate analysis faces challenges in sensitivity and heterogeneity assessment of complex biological mixtures.
  • Electrospray mass spectrometry (MS) is crucial for glycan analysis but requires technological advancements.

Purpose of the Study:

  • To review advancements in chip-based electrospray ionization mass spectrometry for carbohydrate analysis.
  • To highlight the potential of lab-on-chip MS glycomics for systems glycobiology.

Main Methods:

  • Implementation of micro- and nanochip front-end technologies for electrospray ionization mass spectrometry.
  • Coupling of chip systems with various mass spectrometers.
  • Integration of analytical functions onto chip devices for direct hyphenation to MS.

Main Results:

  • Chip-enhanced electrospray ionization provides reproducible performance across different carbohydrate types.
  • Improved accuracy in representing the glycan repertoire, revealing novel biological information.
  • Demonstrated potential for glycan biomarker discovery and monitoring in biological samples.

Conclusions:

  • Chip/MS technology is a versatile and valuable tool for glycomic studies and biomarker discovery.
  • Lab-on-chip MS glycomics is maturing into a powerful analytical platform for systems glycobiology.
  • Advancements in chip technologies have significantly addressed challenges in high-sensitivity carbohydrate analysis.