MALDI电离原理Sample plate hn Laser1. Sample (A) is mixed with excess matrix (M) and dried on a MALDI plate. 2. Laser flash ionizes matrix molecules. 3. Sample molecules are ionized by proton transfer from matrix: MH++ AÆ M+ AH+.
AH+
+20 kV
Variable Ground Grid Grid
选择合适基质Sinapinic Acid a-Cyano-4-Hydroxycinnamic acid(CHCA) 2,5 Dihydroxybenzoic acid“Super DHB” 3-Hydroxypicolinic acid HABA蛋白质>10kDa多肽<10kDa Neutral Carbohydrates, Synthetic Polymers Proteins, Glycosylated proteins Oligonucleotides Proteins, Oligosaccharides
质量分析器
Q (quadrupole) 四极杆TRAP (Ion Trap) 离子阱TOF (Time -of –flight) 飞行时间FT (Fourier Transform) 傅立叶变换………
，请把【付款记录详情】截图给客服，同时把您购买的文章【网址】发给客服。客服会在24小时内把文档发送给您。
