
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.
In this application, Streptavidin coated bioZen MagBeads are utilized for the fast and accurate immunocapture of insulin aspart novolog. By combining immunocapture sample preparation with LC MS/MS, this method demonstrates a functionalized assay that yields greater selectivity and sensitivity.






