https://www.selleckchem.com/pr....oducts/Gefitinib.htm
An improved pretreatment approach of human breast tissue is demonstrated for subsequent analysis of seven parabens including methyl paraben (MP, ethyl paraben (EP, propyl paraben (PP, butyl paraben (BP, isopropyl paraben (iPP, isobutyl paraben (iBP, and benzyl paraben (BzP. Specifically, a well-designed homogenization procedure, conjugated with an optimized fabric phase sorptive extraction (FPSE) protocol, resulted in a carefully outlined sample preparation process as part of a green, simple, sensitive, economical and fa