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Titolo:
Laser desorption electron attachment time-of-flight mass spectrometry: A new approach to detection of involatile compounds
Autore:
Ingolfsson, O; Wodtke, AM;
Indirizzi:
Univ Calif Santa Barbara, Dept Chem & Biochem, Santa Barbara, CA 93106 USAUniv Calif Santa Barbara Santa Barbara CA USA 93106 Barbara, CA 93106 USA
Titolo Testata:
JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
fascicolo: 12, volume: 12, anno: 2001,
pagine: 1339 - 1347
SICI:
1044-0305(200112)12:12<1339:LDEATM>2.0.ZU;2-D
Fonte:
ISI
Lingua:
ENG
Soggetto:
MULTIPHOTON IONIZATION; NEGATIVE-ION; GAS-PHASE; LARGE MOLECULES; NUCLEIC-ACIDS; SF6 CLUSTERS; PHOTOIONIZATION; CAPTURE; ENERGY; MALDI;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
50
Recensione:
Indirizzi per estratti:
Indirizzo: Wodtke, AM Univ Calif Santa Barbara, Dept Chem & Biochem, Santa Barbara, CA 93106 USA Univ Calif Santa Barbara Santa Barbara CA USA 93106 93106 USA
Citazione:
O. Ingolfsson e A.M. Wodtke, "Laser desorption electron attachment time-of-flight mass spectrometry: A new approach to detection of involatile compounds", J AM SOC M, 12(12), 2001, pp. 1339-1347

Abstract

We report initial results of a new method for obtaining mass spectra of involatile compounds: laser desorption electron attachment time-of-flight mass spectrometry. With this approach, laser desorbed neutral molecules are entrained in a molecular beam and subsequently ionized by low energy electronattachment. Mass analysis is carried out by a linear time-of-flight. We present a description of the apparatus and a number of examples of our early results on: van der Waals condensates of SF6, Fullerenes, derivatized Fullerenes, perfluorinated polyethers, polyphenylethers, and 5-bromouracil. (C) 2001 American Society for Mass Spectrometry.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 21/09/20 alle ore 12:39:02