Use of halogenated derivatives of Shianokei cinnamic acid as a matrix in MALDI mass spectrometry

摘要

In the matrix for MALDI mass spectrometry of the sample, the invention has the general formula: On the use and / or 4-bromo--α- Shianokei cinnamic acid and / or α- cyano-2,4-dichloro cinnamic acid and halogenated Shianokei cinnamic acid derivative, has a. Here, independently selected from F, and Br and Cl, R is 5 or n = 3,4. "Selected from among, R" COOR and _2, SO ₃ H COOH, CONH is ₁ -C ₅ alkyl = _C is R '.