期刊
JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
卷 13, 期 9, 页码 1129-1137出版社
SPRINGER
DOI: 10.1016/S1044-0305(02)00430-0
关键词
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Molecular complexes such as double-stranded oligonucleotides contain non-covalent bonds that are difficult to maintain in the MALDI experiment. Quantifiers are introduced in order to evaluate, summarize, and compare spectra from experiments in which additives are used to stabilize duplex oligonucleotides. Compounds known to complex with and stabilize duplex molecules can be useful as additives in MALDI. Spermine and methylene blue, present at concentrations similar to the matrix, are detected, bound to the duplex. When peptides are used as additives, the duplex is stabilized when the peptide is present at an amount less than that of the duplex. (J Am Soc Mass Spectrom 2002, 13, 1129-1137) (C) 2002 American Society for Mass Spectrometry.
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