Vol 1 No 10 LCGC International November/December 2024 North America PDF

This article describes the current highlights of using molecular imprinted polymers (MIPs) in sample preparation.

Ronald Piervincenzi, chief executive officer of the United States Pharmacoepia, focused on how collaboration and component quality can improve worldwide pharmaceutical production standards during a lecture at the Eastern Analytical Symposium (EAS) last month.

Researchers measured bovine tooth enamel samples with colorimetry, high-performance liquid chromatography (HPLC), and ultraviolet-visible (UV-Vis) spectrophotometry to develop a comprehensive understanding of coffee-induced tooth discoloration by examining the individual and combined effects of CGA and pigments and determining how their concentrations are affected by coffee roast level.

A comparison made between a stainless steel hardware column and an INERT column using the same lot of HALO 90 Å C18, 2.7µm results in tailing factor and area improvement using the HALO®INERT column.