期刊
INTERNATIONAL JOURNAL OF MASS SPECTROMETRY
卷 495, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.ijms.2023.117167
关键词
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Electrospray ionization (ESI) is a popular method for generating ions in mass spectrometry (MS). The use of triboelectric nanogenerators as power sources for ESI shows promise in improving the analytical capabilities. This review highlights the fundamentals of ESI driven by DC power supplies, the contrasting qualities to triboelectric nanogenerator power supplies, and its applications in forensics, metabolomics, and protein structure analysis.
Electrospray ionization (ESI) is one of the most popular methods to generate ions for mass spectrometry (MS). When compared with other ionization techniques, it can generate ions from liquid-phase samples without additives, retaining covalent and non-covalent interactions of the molecules of interest. When hyphenated to liquid chromatography, it greatly expands the versatility of MS analysis of complex mixtures. However, despite the extensive growth in the application of ESI, the technique still suffers from some drawbacks when powered by direct current (DC) power supplies. Triboelectric nanogenerators promise to be a new power source for the generation of ions by ESI, improving on the analytical capabilities of traditional DC ESI. In this review we highlight the fundamentals of ESI driven by DC power supplies, its contrasting qualities to triboelectric nanogenerator power supplies, and its applications to three distinct fields of research: forensics, metabolomics, and protein structure analysis.
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