Deuterium isobaric tag reagents for quantitative analysis

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United States of America Patent

PATENT NO 8486712
APP PUB NO 20110318771A1
SERIAL NO

13255849

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Abstract

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Deuterium isobaric tag reagents are provided for the quantitation of biomolecules, where the reagents contain heavy isotope atoms, including one or more 2H in each reagent. Generally, the reagents are described by the formula: reporter group—balancer group—reactive group, wherein the reporter group and the balancer group are linked by an MS/MS scissionable bond. Each of the reporter group and balancer groups independently contain 0 to 9 heavy isotope atoms selected from 13C, 15N and 2H and the total number of 2H atoms in each reagent is 1 to 6. The mass of the reporter group is from 114-123 Daltons. Exemplary deuterium isobaric tag reagents include Di-ART, DiART-t-I, DiART-t-Br and DiART-t-M. Also provided are compositions containing more than one deuterium isobaric tag reagent and methods for making and using deuterium isobaric tag reagents.

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Patent Owner(s)

Patent OwnerAddress
UNIVERSITY OF MARYLAND COLLEGE PARK0134 LEE BUILDING 7809 REGENTS DRIVE UM VENTURES COLLEGE PARK MD 20742

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Shuwei Rockville, US 31 693
Zeng, Dexing St. Louis, US 11 12

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