CD63 and non-small cell lung carcinoma: CD63+ expressions for EVs isolated using the iDEP device were found to be comparable to CD63+ expression from purified hTERT-immortalized mesenchymal stem cells (1.87 × 108 EVs/mL) and A549 NSCLC (2.36 × 106 EVs/mL) sEVs purchased from ATCC Inc as positive controls (Fig. 3G: iv, v).