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Quest Patient Service Centers will be closed on Friday, July 3 and Saturday, July 4, 2026, in observance of Independence Day, and to give our frontline team the time to recharge. Don't let the holiday interrupt your care. Plan your visit today.

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Critical Need to Assess Modified and Un-modified Peptides in C-Peptide Standard Materials

Critical need to assess modified and un-modified peptides in C-peptide standard materials

Authors: Wu Z, Kabytaev K, Mu J, Connolly S, Clarke NJ, Little R, McPhaul MJ

J Mass Spectrom Adv Clin Lab. 2022 Jul 22;26:7-8. doi: 10.1016/j.jmsacl.2022.07.003. eCollection 2022 Nov.

Specialties: Cardiology, Endocrinology