日本質量分析学会 第68回質量分析総合討論会会

演題概要

ポスター発表

第3日 5月13日(水)  P会場(1008/09)

DESI用イオン取込みチューブの加熱によるコンタミネーション抑制と感度向上へのアプローチ

(浜松医大)
o高橋豊中嶋圓衛藤史博Ariful, IslamAl, Mamun瀬藤光利

Recently, DESI is commonly used to an IMS. Because, in case of DESI, any sample preparations are not necessary such as a matrix coating for ionization with MALDI. In DESI, ion evaporation from secondary charged droplets is considered to be an important factor for detection sensitivity. Also, in DESI, due to its structure, it is considered that the sample components contaminate to the sampling tube. We have considered that heating of the sampling tube is useful for promoting ion evaporation from the secondary charged droplets and for suppressing contamination of the sampling tube. A prototype of heated sampling tube was fabricated.