Ultra-high performance liquid chromatographic (UHPLC) separation of ephedrine and its three structural analogs based on polar retention effect on graphite (PREG) mechanism using Supel™ Carbon LC column.
A comprehensive high performance liquid chromatography-diode array detection (HPLC-DAD) workflow for the analysis of 14 cannabinoids in hemp bud extracts within 10 minutes using robust Chromolith® monolithic silica HPLC columns with low column back pressure.
Separation of Ribonuclease A from bovine pancreas, Type I-A, powder, ≥60% RNase A basis (SDS-PAGE), ≥50 Kunitz units/mg protein; α-Chymotrypsinogen A from bovine pancreas, essentially salt-free, lyophilized powder; Cytochrome c from bovine heart, ≥95% based on Mol. Wt. 12,327 basis;
Developing an HPLC method for quantifying ephedrine HCl and pseudoephedrine HCl in traditional Chinese medicine (TCM) with a Discovery® C18 column to report: chromatographic data, linearity, specificity and repeatability, LOD and LOQ.
A complete SEC-UV workflow for the characterization of mAb monomers, aggregates, and fragments using Zenix® and Zenix®-C SEC columns, including system suitability testing and forced pH and temperature stress studies.
Glycosylation is known to have profound influence on various physiochemical, cellular and biological functions of proteins. Alterations in this modification are known to affect the immune system and have been associated with various pathological states such as cancer, rheumatoid arthritis