期刊
METALLOMICS
卷 2, 期 4, 页码 271-279出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b915782d
关键词
-
资金
- National Science Foundation [CHE-0520777]
- U.S. Department of Energy [DE-FG02-98ER14890]
A new time-of-flight mass spectrometer has been developed that uses an electrospray source and an inductively coupled plasma to extract molecular, atomic, and isotopic information simultaneously from a single sample. This paper will focus on characterization of the ESI channel. Sensitivities are reported for hexadecyltrimethylammonium, tetrahexylammonium, tetraoctylammonium, myoglobin, insulin, cyanocobalamin, leucine enkephalin, and alcohol dehydrogenase. Skimmer-nozzle collisionally induced dissociation is explored for adduct removal and analyte fragmentation on the ESI channel for tetraoctylammonium ion and leucine enkephalin. Long-term and short-term spray stability is also examined.
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