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mass spectrometry
(redirected from mass spectrometer)

    Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia, Hutchinson 0.03 sec.

mass spectrometry

 or mass spectroscopy

Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph uses photographic or other nonelectrical means; either device is a mass spectroscope. The process is widely used to measure masses and relative abundances of different isotopes, to analyze products of a separation by liquid or gas chromatography, to test vacuum integrity in high-vacuum equipment, and to measure the geological age of minerals.
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Peptide Composer is a composition-based sequencing (CBS) software package available to all FT-ICR mass spectrometer users.
Sequencing by Rubber World
The new kit, which is used in combination with mass spectrometer, can quickly identify the N-terminal amino acid sequence of proteins.
Shimadzu Launches Reagent Kit for N-terminal Amino Acid Sequencing ... by JCNN News Summaries
Considering the fact that approximately 3 000 new versions of the library are installed on mass spectrometer data systems each year, and at least 30 000 copies of earlier versions have been installed over the years, we anticipate that this effort will have an even more substantial impact.
2002 Update of Mass Spectral Library released. (General Developments) by Journal of Research of the National Institute of Standards and Technology
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