| 单词 | Spectrometry,Mass,Electrospray Ionization |
| 释义 | Spectrometry,Mass,Electrospray Ionization《英文msh词典》Spectrometry,Mass,Electrospray Ionization [主题词] Spectrometry,Mass,Electrospray Ionization [同义词] ESI Mass Spectrometry [同义词] Electrospray Ionization Mass Spectrometry [入口词] Mass Spectrometry,ESI [入口词] Spectrometry,ESI Mass [中文释义] 光谱法,质量,电喷雾电离 [英文释义] A mass spectrometry technique used for analysis of nonvolatile compounds such as proteins and macromolecules. The technique involves preparing electrically charged droplets from analyte molecules dissolved in solvent. The electrically charged droplets enter a vacuum chamber where the solvent is evaporated. Evaporation of solvent reduces the droplet size,thereby increasing the coulombic repulsion within the droplet. As the charged droplets get smaller,the excess charge within them causes them to disintegrate and release analyte molecules. The volatilized analyte molecules are then analyzed by mass spectrometry. |
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