Miniature flowing atmospheric-pressure afterglow ion source for facile interfacing of CE with MS

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Author(s) Jecklin, Matthias C., Schmid, Stefan, Urban, Pawel L., Amantonico, Andrea, Zenobi, Renato
Publication Type Journal Items, Publication Status: Published
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Title Miniature flowing atmospheric-pressure afterglow ion source for facile interfacing of CE with MS
Author(s) Jecklin, Matthias C.
Schmid, Stefan
Urban, Pawel L.
Amantonico, Andrea
Zenobi, Renato
Journal or Series Title Electrophoresis
Volume Number 31
Issue Number 21
Start Page 3597
End Page 3605
ISSN 0173-0835
Publisher Wiley-Blackwell
Publication Place Weinheim
Publication Date 2010-10
Keyword(s) Ambient ionization techniques
Flowing atmospheric-pressure afterglow
Abstract Here, we present a miniaturized version of the flowing atmospheric-pressure afterglow (miniFAPA) ion source and use it for sheathless coupling of CE with MS. The simple design of the CE-miniFAPA-MS interface makes it easy to separate the electric potentials used for CE and for ionization. A pneumatically assisted nebulization of the CE effluent transfers the analytes from the liquid phase into the gas phase before they are ionized by interacting with reactive species produced by the FAPA. An important advantage of this interface is its high stability during operation: optimization of five different parameters indicated that the interface is not sensitive to minor deviations from the optimum values. Other advantages include ease of construction and maintenance, as well as relatively low cost. Samples with complex matrices, such as yeast extract, soil extract and urine, spiked with the test compounds, were successfully analyzed using the CE-miniFAPA-MS setup.
DOI 10.1002/elps.201000350
Additional Notes Received 1 July 2010, Revised 7 August 2010, Accepted 9 August 2010, Article first published online 21 October 2010
Document Type Article
Publication Status Published
Language English
Assigned Organisational Unit(s) 03430
Organisational Unit(s)
NEBIS System Number 000008397
Source Database ID WOS-000284056100016
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  author = "Jecklin, Matthias C. and Schmid, Stefan and Urban, Pawel L. and Amantonico, Andrea and Zenobi, Renato",
  title = "{M}iniature flowing atmospheric-pressure afterglow ion source for facile interfacing of {C}{E} with {M}{S}",
  journal = "Electrophoresis",
  year = 2010,
  volume = "31",
  number = "21",
  pages = "3597--3605",
  month = oct,

E-Citations record created: Mon, 06 Dec 2010, 08:15:06 CET