Parker - Using an In-house H2 Generator to Replace He Carrier Gas for GC
Measuring Tooth Discoloration from Coffee with HPLC
December 11th 2024Researchers 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.