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Effect of damping mechanisms on mass calibration equation for MALDI/FTMS
Alternative Title碰撞衰减机理对MALDI/FTMS准确质量校正的影响
Su Y(苏越); Wang HY(王昊阳); Guo YL(郭寅龙); Xiang BR(相秉仁); An DK(安登魁)
2005
Source PublicationChin. J. Chem.
ISSN1001-604X
Volume23Issue:8Pages:1053-1059
AbstractCollisional damping affects the relationship between ion mass and effective cyclotron frequency in Fourier transform mass spectrometry. The exact mass calibration equation [GRAPHICS] was therefore derived from the characteristic equation of system model, force = m dv/dt=qE - qvx B-0-xi v (xi v, a frictional damping force), in which k is amended by the shift of observed frequency of matrix ion or other known ion in external calibration. The mass obtained by the amended calibration equation is therefore immune to collisional damping and space-charge effects on mass accuracy. The relative errors of ion mass measured were all less than 2 x 10(-6).
Subject Area分析化学
Department上海有机所; 中国药科大学
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Indexed BySCI
Language英语
WOS IDWOS:000232194400021
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sioc.ac.cn/handle/331003/19880
Collection分析化学研究室
Corresponding AuthorGuo YL(郭寅龙)
Recommended Citation
GB/T 7714
Su Y,Wang HY,Guo YL,et al. Effect of damping mechanisms on mass calibration equation for MALDI/FTMS[J]. Chin. J. Chem.,2005,23(8):1053-1059.
APA 苏越,王昊阳,郭寅龙,相秉仁,&安登魁.(2005).Effect of damping mechanisms on mass calibration equation for MALDI/FTMS.Chin. J. Chem.,23(8),1053-1059.
MLA 苏越,et al."Effect of damping mechanisms on mass calibration equation for MALDI/FTMS".Chin. J. Chem. 23.8(2005):1053-1059.
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