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PROCÉDÉ DE DÉSORPTION/IONISATION PAR LASER, PROCÉDÉ DE SPECTROMÉTRIE DE MASSE, CORPS DE SUPPORT D'ÉCHANTILLON ET PROCÉDÉ DE PRODUCTION POUR CORPS DE SUPPORT D'ÉCHANTILLON
PROCÉDÉ DE DÉSORPTION/IONISATION PAR LASER, PROCÉDÉ DE SPECTROMÉTRIE DE MASSE, CORPS DE SUPPORT D'ÉCHANTILLON ET PROCÉDÉ DE PRODUCTION POUR CORPS DE SUPPORT D'ÉCHANTILLON
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摘要
A laser desorption/ionization method, includes: a first step of preparing a sample support body including a substrate on which a plurality of through holes opening to a first surface and a second surface facing each other are formed, a conductive layer provided on at least the first surface, and a matrix provided in the plurality of through holes; a second step of mounting a sample on a mounting surface of a mounting portion, and of disposing the sample support body on the sample such that the second surface is in contact with the sample; and a third step of ionizing a component of the sample that is mixed with the matrix and is moved to the first surface side from the second surface side through the through hole by irradiating the first surface with laser light while a voltage is applied to the conductive layer, in a state in which the sample is disposed between the mounting portion and the sample support body.
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