Little is known about how the proteins forming ion channels -- the 'pores' on the cell membrane -- change when they open and close, especially the portion that is 'embedded' in the membrane.
The QTOF‐GCMS instrument integrates the excellent mass accuracy of the quadrupole time‐of‐flight (QTOF) mass spectrometer with the proven gas phase chromatography techniques. 1 Da (mass accuracy in ...
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