protonated molecule

protonated molecule

In mass spectrometry, an ion formed by adding a proton to a neutral molecule, which is designated as M H.
References in periodicals archive ?
VE and OHV were detected by the most intensive product ions of their protonated molecules (divalent cations; VE, m/z 279.
the ratio of the intensities of transmitted and incident neutron beams) is greatly dependent on the quantity of protonated molecules diffused into the gel.
The spectrum is very simple because the MALDI technique produces preferentially protonated molecules through ion-molecule reactions occurring in the selvage region close to the solidstate sample.
In essence, the electrospray ion source of the mass spectrometer generates a series of multiply protonated molecules for each protein present in the sample solution.
Mass-scale calibration was performed by using the multiply protonated molecules from the normal [alpha]-chain (15126.