
Liquid chromatography–ion mobility spectrometry–high-resolution mass spectrometry (LC–IMS–HRMS) shows elephant seal pups carry more PFAS than their mothers do.
The elution patterns of oligo-RNA having ribose modified with 2'-MOE and non-modified oligo-RNA were separated successfully without the use of an ion-pair reagent using the Shodex™ VN-50 2D column.





