Journal Highlight: Imaging mass spectrometry for metabolites: technical progress, multimodal imaging, and biological interactions

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  • Published: Sep 11, 2017
  • Author: spectroscopyNOW
  • Channels: Base Peak
thumbnail image: Journal Highlight: Imaging mass spectrometry for metabolites: technical progress, multimodal imaging, and biological interactions

Recent developments in the use of imaging mass spectrometry for metabolite analysis, focusing specifically on technological advancement and their applications, have been reviewed, including technical advances and recent applications.

Imaging mass spectrometry for metabolites: technical progress, multimodal imaging, and biological interactions

Wiley Interdisciplinary Reviews: Systems Biology and Medicine, 2017, 9, e1387 online
Ying-Ning Ho, Lin-Jie Shu and Yu-Liang Yang

Abstract: Imaging mass spectrometry (IMS) allows the study of the spatial distribution of small molecules in biological samples. IMS is able to identify and quantify chemicals in situ from whole tissue sections to single cells. Both vacuum mass spectrometry (MS) and ambient MS systems have advanced considerably over the last decade; however, some limitations are still hard to surmount. Sample pretreatment, matrix or solvent choices, and instrument improvement are the key factors that determine the successful application of IMS to different samples and analytes. IMS with innovative MS analyzers, powerful MS spectrum databases, and analysis tools can efficiently dereplicate, identify, and quantify natural products. Moreover, multimodal imaging systems and multiple MS-based systems provide additional structural, chemical, and morphological information and are applied as complementary tools to explore new fields. IMS has been applied to reveal interactions between living organisms at molecular level. Recently, IMS has helped solve many previously unidentifiable relations between bacteria, fungi, plants, animals, and insects. Other significant interactions on the chemical level can also be resolved using expanding IMS techniques.

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