Chemistry: analytical and immunological testing – Nuclear magnetic resonance – electron spin resonance or other...
Patent
1994-03-28
1997-03-04
Warden, Jill
Chemistry: analytical and immunological testing
Nuclear magnetic resonance, electron spin resonance or other...
436 86, 436 87, 436 94, G01N 2400
Patent
active
056078595
ABSTRACT:
An improved method for the mass spectrometric determination of the molecular weight of a highly polyionic analyte is provided. The method employs reagents which are highly polyionic but which are of opposite charge to the analytes. The reagents and analytes form a non-covalent complex which is more easily ionized during mass spectrometry and decreases fragmentation of the analyte. Highly polyionic reagents are also provided. The reagents include a multiplicity of highly ionic groups covalently attached along a flexible molecular backbone.
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Biemann Klaus
Juhasz Peter
Massachusetts Institute of Technology
Soderquist Arlen
Warden Jill
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