Yuan-Chin Chen

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For the first time, we observed a stable and intense ion (m/z 376) of the oxygenated water cluster ion ((H(2)O)(20)O(+)) produced from simply spraying an aqueous solution of iron nanoparticles (Fe NPs) into an electrospray mass spectrometry (ESI-MS) system. Tandem mass spectrometric (MS/MS and MS/MS/MS) results were applied to identify the assignments of(More)
The Na(+) channel-subunit containing an Ile1488, Phe1489 and Met1490 (IFM) motif is critical for a fast inactivation process. BL-1, a model IFM-containing peptide with a sequence of acetyl-GGQDIFMTEEK-OH, was observed as a doubly charged potassium-adduct ion by electrospray ionization mass spectrometry (ESI-MS) and a singly charged ion by(More)
A dynamic liquid phase microextraction method using a revolving hollow fiber was demonstrated for coupling to GC/MS [using EI (electronic ionization) and selected ion monitor (SIM)] as a concentrating probe for rapid analysis and quantitative determination of five aromatic hydrocarbon isomers (cumene; propylbenzene; 2-ethyltoluene; 1,2,3-trimethylbenzene;(More)
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