Fig. 2. Photoluminescence (PL) spectra of TCNTP (10 μM) treated with different concentrations of (A) αvβ3 (0, 5, 10, 30, 50, 100 μg mL–1) and (B) CD13 (0, 5, 10, 30, 50, 100 μg mL–1) for 30 min at 37 °C. (C) PL spectra of TCNTP (10 μM) treated with 30 μg mL–1 integrin αvβ3 (or CD13) and then 30 μg mL–1 CD13 (or integrin αvβ3) for 30 min at 37 °C. (D) Plot of (I – I 0)/I 0 versus different proteins (thrombin (TB), hemoglobin (HGB), trypsin (TP), carcinoembryonic antigen (CEA), bovine serum albumin (BSA)), where I and I 0 are the PL intensities at analyte concentrations of 50 and 0 μg mL–1, respectively. λ ex = 405 nm.
