Oxidized TMB mediated dual-optical sensing-based paper analytical device for high-throughput visual monitoring of 2, 4-dichlorophenoxyacetic acid

J Xu, Y Yang, Z Qin, C Liao, Y Chen, S Shi, Y Guo - Microchemical Journal, 2024 - Elsevier
High-throughput and accurate monitoring of pesticide residues is extremely crucial, but
remains challenging. Herein, oxidized 3, 3′, 5, 5′-tetramethylbenzidine (oxTMB) mediated …

Ion-pair vortex assisted liquid phase micro-extraction coupled with UV-visible spectrophotometry for the determination of mesalazine in pharmaceutical formulations

SS Taha, DS Ali - Annales Pharmaceutiques Françaises, 2024 - Elsevier
This study demonstrates an effective, simple, and selective method for monitoring
mesalazine in pharmaceutical formulations using liquid phase micro-extraction (LPME) and …