Structural characterization of mycotoxin metabolites by ion mobility mass spectrometry (CAT#: STEM-ST-0174-LJX)

Name: Structural characterization of mycotoxin metabolites by ion mobility mass spectrometry
SKU: STEM-ST-0174-LJX
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Introduction

Mycotoxins are toxic secondary metabolites produced by a large number of fungal species, potentially infesting foodstuffs at all stages of food production, processing and storage. Therefore, humans and animals can be simultaneously exposed through the diet to "cocktails" of mycotoxins. A new analytical technique, ion mobility spectrometry (IMS), is gaining wider recognition as a promising approach that can overcome the above-mentioned NMR limitations, making it an ideal candidate for improving confidence in the identification and separation of structurally closely related isomers.

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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:
Mycotoxin metabolites

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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