For the spectrophotometric and biological investigations, vitamin A concentrates of widely varying activity as well as crude liver oils were used.

The USP Microbiology Expert Committee officially approved the use of recombinant Factor C for endotoxin testing in July 2024.

On June 25, 2025, the Rezolex, Ltd. Co. (“Petitioner”), filed a petition for the imposition of antidumping duties and countervailing duties on ...

Martin Kahanec, the co-founder and scientific director of the Central European Labour Studies Institute (CELSI), has received ...

A self-consistent spectrophotometric basicity scale in acetonitrile, including DBU, ten (arylimino)tris (1-pyrrolidinyl)phosphoranes, two (arylimino)tris (dimethylamino)phosphoranes, ...

Given their putative role in chemoprevention, validated methods are needed for quantification of total glucosinolates. Based on the colorimetric reaction of ferricyanide with 1-thioglucose, released ...

A fast, simple, sensitive, selective and inexpensive spectrophotometric method was developed for quantification of cephalexin that is widely available in the market and manufactured by the indigenous ...

The proposed spectrophotometric method is simple and rapid for the in vitro determination of SPF values of sunscreens emulsions. Sunscreens; Cosmetic products; Sun protection factor; UV ...