MALDI-TOFMS(基质辅助激光解吸电离飞行时间质谱)培训预习提纲.docx
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【MALDI-TOF MS ](基质辅助激光解吸
电离飞行时间质谱)培训预习提纲
一仪器概况 仪器名称:基质辅助激光解析电离-飞行时间质谱仪
Matrix Assisted Laser Deso rp ti on loni zati on-Time
of Flight Mass Sp ectrometer
MALDI-TOF
司:美国应用生物系统
App lied Biosystem
号:Voyager DE-STR
点:DE Delayed Extraction
点:DE Delayed Extraction
延迟引出
PSD : Post Source Decay 源后裂解
技术指标:
Mass Accuracy
? Lin ear Mode, External Calibratio n:
<± 0.05% for an giote nsin [1,296.6853] a nd
myoglob in [16,952.5].
? Reflector Mode, External Calibrati on:
<± 0.008% for ACTH 18-39 [m/z 2,565.1989].
<± 0.005% for E.coli thioredoxin [m/z 1,1674.4]
士 0.005% for ACTH 18 -39
Mass Resoluti on:
? Reflector Resoluti on:
> 20,000 for in sulin (m/z 5,734).
> 12,000 for ACTH cli ps.
? Lin ear Resoluti on:
> 3,000 an giote nsin.
>3,500 for ACTH 18 -39 [m/z 2,465.1989].
> 1,000