Mass labels
DCFirst Claim
1. A set of two or more mass labels, each mass label in the set comprising a mass marker moiety attached via a cleavable linker to a mass normalisation moiety, the mass marker moiety being fragmentation resistant, wherein each mass normalisation moiety ensures that each mass label in the set has the same aggregate mass as determined by mass spectrometry, and wherein each mass marker moiety has a mass different from that of all other mass marker moieties as determined by mass spectrometry, and wherein all the mass labels in the set are distinguishable from each other by mass spectrometry.
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Abstract
Provided herein are sets of mass labels. Each mass label in a set includes 1) a mass marker moiety; 2) a mass normalisation moiety; and 3) a cleavable linker connecting the mass marker moiety to the mass normalisation moiety. Each mass marker moiety is characterised as having a mass different from that of all other mass marker moieties in the set as determined by mass spectrometry. Further, each mass normalisation moiety ensures that each mass label in the set has substantially the same mass as determined by mass spectrometry.
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25 Claims
- 1. A set of two or more mass labels, each mass label in the set comprising a mass marker moiety attached via a cleavable linker to a mass normalisation moiety, the mass marker moiety being fragmentation resistant, wherein each mass normalisation moiety ensures that each mass label in the set has the same aggregate mass as determined by mass spectrometry, and wherein each mass marker moiety has a mass different from that of all other mass marker moieties as determined by mass spectrometry, and wherein all the mass labels in the set are distinguishable from each other by mass spectrometry.
Specification