Mds Analytical Technologies, a Business Unit of Mds Inc.

Erkin Nazarov

Bradley B Schneider

Tom Covey

A mass spectrometer system including a differential mobility spectrometer and a mass spectrometer at least partially sealed to, and in fluid communication, with, the differential mobility spectrometer, together with a related method, are provided. The mass spectrometer system can be operable to, and method can comprise, a) maintaining the differential mobility spectrometer at an internal operating pressure; b) providing ions to the differential mobility spectrometer; c) maintaining the mass spectrometer at a vacuum pressure lower than the internal operating pressure to draw a gas flow including the ions through the differential mobility spectrometer and into the vacuum chamber; and, d) modifying the gas flow between the differential mobility spectrometer and the mass spectrometer to change a gas flow rate through the differential mobility spectrometer.

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Bedford, MA, United States of America

Erkin Nazarov