TY - RPRT TI - An Antibody Cocktail-Based Immunoaffinity-LC-MS Method Enabled Ultra-Sensitive and Robust Quantification of Circulating Proinsulin Proteoforms and C-Peptide AU - Shen, Qingqing [University at Buffalo, NY (United States)] AU - Cao, Wang [University at Buffalo, NY (United States)] AU - Zhang, Ming [University at Buffalo, NY (United States)] AU - Lin, Tai-Tu [Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)] AU - Monaco, Gabriela S. F. [Indiana University School of Medicine, Indianapolis, IN (United States)] AU - Nierves, Lorenz A. [Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)] AU - Shi, Tujin [Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)] (ORCID:0000000255923588) AU - Boeser, Cornelia [Thermo Fisher Scientific, San Jose, CA (United States)] AU - Peterman, Scott [Thermo Fisher Scientific, San Jose, CA (United States)] AU - Evans-Molina, Carmella [Indiana University School of Medicine, Indianapolis, IN (United States); Roudebush Veteran’s Affairs Medical Center, Indianapolis, IN (United States)] (ORCID:0000000177648663) AU - Sims, Emily K. [Indiana University School of Medicine, Indianapolis, IN (United States)] AU - Qian, Wei-Jun [Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)] (ORCID:0000000253932827) AU - Qu, Jun [University at Buffalo, NY (United States)] (ORCID:0000000213466809) PY - 2025 DO - 10.1021/acs.analchem.5c03256 UR - https://www.osti.gov/biblio/3016930 ID - 3016930 ER -