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In situ detection and imaging of lysophospholipids in zebrafish using matrix‐assisted laser desorption/ionization Fourier transform ion cyclotron resonance mass spectrometry
Author(s) -
He Kaili,
Chen Chao,
Deng Jiewei,
Hou YaJun,
Xiang Zhangmin,
Yang Yunyun
Publication year - 2021
Publication title -
journal of mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.475
H-Index - 121
eISSN - 1096-9888
pISSN - 1076-5174
DOI - 10.1002/jms.4637
Subject(s) - fourier transform ion cyclotron resonance , chemistry , mass spectrometry , mass spectrometry imaging , maldi imaging , matrix assisted laser desorption/ionization , ion cyclotron resonance , analytical chemistry (journal) , selected ion monitoring , ion , desorption , chromatography , cyclotron , gas chromatography–mass spectrometry , organic chemistry , adsorption
In this paper, a matrix‐assisted laser desorption/ionization (MALDI) Fourier transform ion cyclotron resonance (FTICR) mass spectrometry (MS) (MALDI‐FTICR‐MS) imaging method was developed to rapid and in situ detect the spatial distribution of lysophospholipids (LPLs) in zebrafish. The combination of MALDI with ultrahigh‐resolution FTICR‐MS achieves the MS imaging of LPLs with a mass resolution up to 50 000, which allows accurate identification and clear spatial visualization of LPLs in complex biological tissues. A series of lysophosphatidylcholines (LPCs) was detected using positive ion detection mode, and their concentration differences and spatial distributions were clearly visualized in different parts of zebrafish tissue. The method is rapid, simple, and efficient, being a desirable way to understand the spatial distribution of LPLs in biosome.

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