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For the initial conditions, a mass unit is used to simulate the counterbalance.
A naive algorithm would simply add a mass unit and check that it does not overlap with any existing mass.
Masses are generally accurate to within a few tenths of a mass unit (though this is not true for MALDI mass spectra).
The acid number describes the amount of KOH required to neutralize the free fatty acids and other acid compounds present in a mass unit of biodiesel.
The first peak therefore corresponds to a native peptide, whereas the second and the third peaks, a mass unit higher, are deamidated or citrullinated.
The corresponding peptides were present as two species with a mass unit difference of 2 and a 3 1 ratio of intensities, reflecting the occurrence of the two chlorine isotopes, Cl (75.8%) and Cl (24.2%).
Similar(53)
Parent ions were isolated using a 1 mass unit window, fragmented with a normalised collision energy of 10%, and MS/MS spectra recorded with a resolution >45,000 for the fragment ions.
For instance, from the fragmentation ions of the four H2A peptides with sequences shown in Figure S2A D, an observation of the immonium ion at m/z 126 and a 42 mass unit added to lysine 5 indicated an acetylation rather than tri-methylation at lysine 5.
The SPectrometer for Ion DEtermination in fission Research SPIDERR) is a 2E 2v spectrometer designed to measure the mass of light fission fragments to a single mass unit.
It was determined by dividing the total number of kilograms treatable with a single mass unit of the antimicrobial drug concerned, according to the package insert information, by the average number of animal kilograms on the farm.
Data were acquired at an atomic mass unit (a.m.u). of 193.693.
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