Characterization of simple isomeric oligosaccharides and the rapid separation of glycan mixtures by ion mobility mass spectrometry (CAT#: STEM-ST-0156-LJX)

Name: Characterization of simple isomeric oligosaccharides and the rapid separation of glycan mixtures by ion mobility mass spectrometry
SKU: STEM-ST-0156-LJX
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Introduction

Ion mobility techniques, using both traveling wave-based technology and standard drift tube methods, along with molecular modeling were used to examine the gas-phase conformational properties of a series of isomeric oligosaccharides and hydrazine-released N-linked glycans from various sources. Electrospray ionization was used to generate H+ and Na+ adducts of oligosaccharides as well as Na+ and H2PO4− adducts of released N-linked glycans. The ion mobility mass spectrometry techniques were used to separate the isomeric oligosaccharides and the glycan mixtures.

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Principle Applications Procedure Materials Notes

Principle

Ion mobility spectrometry–mass spectrometry (IMS-MS) is an analytical chemistry method that separates gas phase ions based on their interaction with a collision gas and their masses. In the first step, the ions are separated according to their mobility through a buffer gas on a millisecond timescale using an ion mobility spectrometer. The separated ions are then introduced into a mass analyzer in a second step where their mass-to-charge ratios can be determined on a microsecond timescale.

Applications

For studying the gas phase ion structure
For detecting the chemical warfare agents and explosives
For the analysis of proteins, peptides, drug-like molecules and nano particles
For monitoring isomeric reaction intermediates and probe their kinetics
For proteomics and pharmaceutical analysis

Procedure

1. Add sample
2. The ions in the sample are separated in the ion mobility spectrometer
3. The separated ions are introduced into the mass analyzer for detection
4. Store the detection results

Materials

• Sample Type:
Glycan mixtures

Notes

1. Ion mobility spectrometry is also a very fast technique, making it suitable for high-throughput applications. The entire analysis can be completed in just a few minutes.
2. The method is extremely sensitive and able to detect trace amounts of contaminants that other spectrometry methods would miss.
3. The effective separation of analytes achieved with this method makes it widely applicable in the analysis of complex samples such as in proteomics and metabolomics.

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