and that the mass spectrometer does not detect every last peptide, so minor PTMs occurring on a small percentage of proteins are often not observed. In the top-down approach, intact proteins are ...

The introductions include the new Waters® Vion IMS QTof Mass Spectrometer, a new bench-top tandem mass spectrometer featuring ion mobility and REIMS Research System with iKnife Sampling, combining ...

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TThe expression CMS is a single quadrupole mass spectrometer, equipped with ESI and APCI probes, switchable with minimal effort. The instrument has a mass range of m/z 10 to m/z 1,200, and a ...