Ruth Frenkel

NIST Interlaboratory Study on Glycosylation Analysis of Monoclonal Antibodies: Comparison of Results from Diverse Analytical Methods

Maria Lorna A. De Leoz, David L. Duewer, Adam Fung et al. · Molecular & Cellular Proteomics · 2019 · 112 citations · Full text

Analytical Quality by Design, Life Cycle Management, and Method Control

Thorsten Verch, Cristiana Campa, Cyrille C. Chéry et al. · The AAPS Journal · 2022 · 97 citations · Full text

Engineering, Immunology, Life Cycle Costing +23

Residual metals cause variability in methionine oxidation measurements in protein pharmaceuticals using LC-UV/MS peptide mapping

Li Zang, Tyler Carlage, David Murphy et al. · Journal of Chromatography B · 2012 · 57 citations

Chemical Analysis, Biochemistry, Medicine +13

Metabolomics Profiling of Cell Culture Media Leading to the Identification of Riboflavin Photosensitized Degradation of Tryptophan Causing Slow Growth in Cell Culture

Li Zang, Ruth Frenkel, Jeffrey Simeone et al. · Analytical Chemistry · 2011 · 43 citations

Characterization of a PEGylated protein therapeutic by ion exchange chromatography with on-line detection by native ESI MS and MS/MS

Khaja Muneeruddin, Cedric E. Bobst, Ruth Frenkel et al. · The Analyst · 2016 · 38 citations