
High-performance liquid chromatography-tandem mass spectroscopy (HPLC–MS/MS) chromatography reveals pyrrolizidine alkaloids (PA)/pyrrolizidine alkaloid N-oxides (PANO) toxin risks in 63 tea samples.
Combining the efficient immunocapture and sample extraction of bioZen MagBeads, trastuzumab is isolated from rat plasma to yields greater selectivity relative to traditional ligand-binding assays.






