{"in": [], "out": ""}
{"in": [], "out": ""}
{"in": [], "out": "the exosome fraction (4 \u00b5g each)"}
{"in": ["fractions"], "out": ""}
{"in": ["anti-CD63 monoclonal antibody (1:1,000 dilution)", "the exosome fraction (4 \u00b5g each)"], "out": "exosomes"}
{"in": ["exosomes"], "out": ""}