Assertion: phycoerythrin | /r/CapableOf | use anti-pe magnetic beads
Facets:
value: following vaccination
type: TEMPORAL
Source sentences:
text: Following vaccination, phycoerythrin (PE)–labeled tetramer + cells were enriched using anti-PE magnetic beads and columns, and activated epitope-specific T cells were quantified by flow cytometry as tetramer +