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Please use this identifier to cite or link to this item: http://hdl.handle.net/10112/5900

Title: Oxidation of Ferrocene Derivatives in Desorption/Ionization on Porous Silicon
Authors: Okuno, Shoji
Oka, Kunihiko
Arakawa, Ryuichi
Author's alias: 奥野, 昌二
岡, 邦彦
荒川, 隆一
Issue Date: 10-Dec-2005
Publisher: The Japan Society for Analytical Chemistry
出版者の別表記: 日本分析化学会
Shimei: Analytical Sciences
Volume: 21
Start page: 1449
End page: 1451
Abstract: In matrix-assisted laser desorption/ionization(MALDI),the true molecular structures of some analytes are not represented by the observed ions due to a redox reaction.In earlier reports,electron transfer from analyte to chemical matrix has been proposed for the oxidation of ferrocene derivatives in MALDI.To address such a redox phenomenon in laser desorption/ionization processes,two ferrocene derivatives,FcCH2CH2Fc and FcCH2NMe2[Fc:(C5H5)Fe(C5H4)],were analyzed by a matrix-free method,desorption/ionization on porous silicon(DIOS). The oxidized species,Fc+CH2NMe2 and FcCH2CH2Fc+,were detected in the DIOS mass spectra.The results suggested that electron transfer from the analytes to the sample target occurs during the ionization process.
type: Journal Article
URI: http://hdl.handle.net/10112/5900
ISSN: 09106340
NCID: AA10500785
Text Version: publisher
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