期刊
ANALYST
卷 146, 期 24, 页码 7418-7430出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1an00967b
关键词
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资金
- AMED (PRIME)
- JSPS KAKENHI [16K14930, 19H02567, 19H05545, 21H05092]
- Grants-in-Aid for Scientific Research [21H05092, 16K14930, 19H02567] Funding Source: KAKEN
This review paper highlights recent research on liquid-phase microscale separation techniques for lipidome analysis, with a focus on capillary liquid chromatography and capillary electrophoresis coupled with mass spectrometry. Microscale separation techniques show promise as fundamental technology in next-generation lipidome analysis.
This review paper highlights the recent research on liquid-phase microscale separation techniques for lipidome analysis over the last 10 years, mainly focusing on capillary liquid chromatography (LC) and capillary electrophoresis (CE) coupled with mass spectrometry (MS). Lipids are one of the most important classes of biomolecules which are involved in the cell membrane, energy storage, signal transduction, and so on. Since lipids include a variety of hydrophobic compounds including numerous structural isomers, lipidomes are a challenging target in bioanalytical chemistry. MS is the key technology that comprehensively identifies lipids; however, separation techniques like LC and CE are necessary prior to MS detection in order to avoid ionization suppression and resolve structural isomers. Separation techniques using mu m-scale columns, such as a fused silica capillary and microfluidic device, are effective at realizing high-resolution separation. Microscale separation usually employs a nL-scale flow, which is also compatible with nanoelectrospray ionization-MS that achieves high sensitivity. Owing to such analytical advantages, microscale separation techniques like capillary/microchip LC and CE have been employed for more than 100 lipidome studies. Such techniques are still being evolved and achieving further higher resolution and wider coverage of lipidomes. Therefore, microscale separation techniques are promising as the fundamental technology in next-generation lipidome analysis.
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