
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 the impact that mobile phase concentration has on the sensitivity of SEC-MS when used to analyze intact mAb’s under non-denaturing conditions.






