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© 2022 MJH Life Sciences and Pharmaceutical Technology. All rights reserved.
© 2022 MJH Life Sciences™ and Pharmaceutical Technology. All rights reserved.
John C. Gebler is a senior scientist at Biopharmaceutical Sciences, Waters Corporation, 34 Maple Street, Milford, MA 01757.
July 02, 2008
The authors developed a method to accurately measure the average molecular weight of large poly(ethylene glycols) (PEGs) using ion-mobility time-of-flight mass spectrometry coupled with gas-phase ion–molecule reactions.