Method and Device for Mass Spectrometry Examination of Analytes
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United States of America Patent
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Issued Date -
Dec 4, 2008
app pub date -
May 24, 2005
filing date -
May 24, 2004
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Abandoned
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Abstract
The invention relates to a method for the mass spectrometry examination of at least one analyte, wherein an analyte to be examined is photoionized and the mass of the ions produced is determined in a mass spectrometer. The analyte to be examined is ionized at normal atmospheric ambient pressure by means of laser light using multiphoton ionization, especially resonant multiphoton ionization. The invention also relates to a device which comprises an ionization chamber in which an analyte to be examined is ionized at normal atmospheric ambient pressure using resonant multiphoton ionization and is transferred into a mass spectrometer. Said device can be used as an interface between a device for the chromatographic or electrophoretic separation of analytes and a mass spectrometer.
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