Abstract
In this article, the ability of porous graphitic carbon (PGC) to discriminate between structurally similar compounds is described. After a brief overview of the particle technology and its use in liquid chromatography (LC), two case studies are presented using small-molecule probes to illustrate the importance on how molecular shape and the ability to interact with the graphitic surface lead to the resolution of structural isomers. Finally, an application of this technology in the area of glycan analysis is showcased where released N-glycans from human immunoglobulin G (IgG) were resolved without derivatization, enabling the glycan profile of a biotherapeutic to be determined.
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