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 ...

Proanthocyanidins (PACs) are naturally occurring flavonoids possessing health beneficial bioactivities. Their quantification often utilizes the 4-dimethylaminocinnamaldehyde (DMAC) spectrophotometric ...

ORIGINAL PAPERS Determination of sun protection factor (SPF) of sunscreens by ultraviolet spectrophotometry Determinação do fator de proteção solar (FPS) de protetores solares por espectrofotometria ...

Ce IV has been used as an oxidizing agent in the determination of many pharmaceutical compounds by spectrophotometric 23, 24 and spectrofluorimetric 25 - 27 methods or by both of them 28, 29 and ...

Researchers have engineered a portable “lab‑in‑tube” (LIT) assay that detects Mycobacterium tuberculosis (Mtb) DNA directly from blood, saliva, or sputum in less than 60 minutes at a relatively low ...