Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Mass spectrometry quantification of change in free thiol levels for HCCF at t = 0 and after a 2 week hold at 2–8°C in the presence of 0 and 0.8 mM cystine per gram mAb. (b) Free thiol levels determined by colorimetric assay for purification process intermediates generated from HCCF purified immediately and held for 2 weeks in the presence of no cystine (0 mM) and 0.8 mM cystine per gram mAb.
