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Organic silica porous membrane substrates for laser desorption ionization mass spectrometry and laser desorption ionization mass spectrometry
Organic silica porous membrane substrates for laser desorption ionization mass spectrometry and laser desorption ionization mass spectrometry
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机译：用于激光解吸电离质谱和激光解吸电离质谱的有机硅片多孔膜基材
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摘要
PROBLEM TO BE SOLVED: To provide a laser desorption ionization mass spectrometry capable of performing mass analysis efficiently with higher detection sensitivity without utilizing a matrix.;SOLUTION: In a laser desorption ionization mass spectrometry, a sample containing measuring object molecules is carried on an organic silica porous membrane having an organic group capable of absorbing an irradiation laser beam on a skeleton, having pores with an average pore diameter of 5-50 nm, and having a surface aperture ratio of 33-70%, and then a laser beam is radiated onto a sample carrying portion on the membrane, to thereby ionize measuring object molecules, and to perform mass analysis.;SELECTED DRAWING: None;COPYRIGHT: (C)2019,JPO&INPIT
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