Michael Dong recently discussed sample preparation (SP) techniques for small-molecule drug substances and solid dosage forms.

Following a court-authorized search of the apartment, detectives recovered: 520 heroin folds 22 vials of crack cocaine 11 Xanax pills without a prescription $954 in cash, believed to be proceeds from ...

As demonstrated in in vitro studies, polystyrene nanoplastics (PSNPs ... were purchased from Sigma-Aldrich and used as received. Tetrahydrofuran for HPLC (THF, ≥99.8%), chloroform for HPLC (≥99.8%) ...