Direct tissue analysis using matrix-assisted laser desorption/ionization mass spectrometry: practical aspects of sample preparation

被引:461
作者
Schwartz, SA [1 ]
Reyzer, ML [1 ]
Caprioli, RM [1 ]
机构
[1] Vanderbilt Univ, Mass Spectrometry Res Ctr, Nashville, TN 37232 USA
来源
JOURNAL OF MASS SPECTROMETRY | 2003年 / 38卷 / 07期
关键词
sample preparation; MALDI-MS; tissue analysis; imaging MS; proteins;
D O I
10.1002/jms.505
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Practical guidelines for the preparation of tissue sections for direct analysis by matrix-assisted laser desorption/ionization (MALDI) mass spectrometry are presented. Techniques for proper sample handling including tissue storage, sectioning and mounting are described. Emphasis is placed on optimizing matrix parameters such as the type of matrix molecule used, matrix concentration, and solvent composition. Several different techniques for matrix application are illustrated. Optimal instrument parameters and the necessity for advanced data analysis approaches with regards to direct tissue analysis are also discussed. Copyright (C) 2003 John Wiley Sons, Ltd.
引用
收藏
页码:699 / 708
页数:10
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