With years of experience in the field of glycoprotein analysis, Creative Biolabs is able to offer a wide range of glycoprotein analysis services for customers all over the world. LC-ESI-MS is a sensitive analytical technique that has been widely used for glycoform profiling at the level of glycopeptides. Based on this technique, we can offer the most comprehensive information of protein glycosylation site(s) and occupancy of glycopeptide/glycoprotein. lcms esi https://www.creative-biolabs.com/glycoprotein/liquid-chromatography-electrospray-ionization-mass-spectrometry-lc-esi-ms.htm