期刊
RAPID COMMUNICATIONS IN MASS SPECTROMETRY
卷 21, 期 20, 页码 3295-3300出版社
WILEY
DOI: 10.1002/rcm.3216
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Free 9-aminoacridine base is demonstrated to be a suitable matrix for negative mode matrix-assisted laser desorption/ionization time-of-flight mass spectrometric (MALDI-TOFMS) analysis of a wide range of low molecular weight organic acids including aliphatic (from acetic to palmitic acid), aromatic acids, phytohormones (e.g. jasmonic and salicylic acids), and amino acids. Low limits of quantitation in the femtomolar range (jasmonic - 250 fmol; caffeic - 160 fmol and salicylic - 12.5 fmol) and linear detector response over two concentration orders in the pico- and femtomolar range are extremely encouraging for the direct study of such acids in complex biological matrices. Copyright (c) 2007 John Wiley & Sons, Ltd.
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