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Fragmentation of Phosphotyrosine-Containing Peptides by Atmospheric Pressure MALDI Ion Trap Mass Spectrometry

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Air date: Tuesday, August 13, 2002, 2:00:00 PM
Time displayed is Eastern Time, Washington DC Local
Views: Total views: 19 * This only includes stats from October 2011 and forward.
Category: Mass Spectrometry
Runtime: 00:32:56
Description: Recently, we combined atmospheric pressure matrix assisted laser desorption (AP-MALDI) with a commercial ion trap mass spectrometer (ITMS) [1]. Coupling the AP-MALDI source with an ion trap mass analyzer combines the benefits of MALDI sample preparation and simplicity of spectral analysis resulting from the production of predominantly singly charged ions, with the MSn capabilities of the quadrupole ion trap mass spectrometer. This configuration has proven to be useful in obtaining structural information from peptides and protein digests as well as for the identification and characterization of posttranslational modifications.

Sponsored by the
Mass Spectrometry Interest Group of the NCI-Frederick
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NLM Title: Fragmentation of phosphotyrosine-containing peptides by atmospheric pressure MALDI ion trap mass spectrometry [electronic resource] / Susanne C. Moyer.
Author: Moyer, Susanne C.
National Institutes of Health (U.S.)
Publisher:
Abstract: (CIT): Recently, we combined atmospheric pressure matrix assisted laser desorption (AP-MALDI) with a commercial ion trap mass spectrometer (ITMS) [1]. Coupling the AP-MALDI source with an ion trap mass analyzer combines the benefits of MALDI sample preparation and simplicity of spectral analysis resulting from the production of predominantly singly charged ions, with the MSn capabilities of the quadrupole ion trap mass spectrometer. This configuration has proven to be useful in obtaining structural information from peptides and protein digests as well as for the identification and characterization of posttranslational modifications. Sponsored by the Mass Spectrometry Interest Group of the NCI-Frederick.
Subjects: Peptides
Phosphotyrosine
Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
Publication Types: Webcasts
Rights: This is a work of the United States Government. No copyright exists on this material. It may be disseminated freely.
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NLM Classification: QC 454.M3
NLM ID: 101267832
CIT Live ID: 1763
Permanent link: https://videocast.nih.gov/launch.asp?10745