
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 note we look at a method for determining the level of aggregation in a commercially available sample of intact NIST mAb using a bioZen SEC-2 column together with the SCIEX X500B mass spec.






