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Fluorescence quenching spectra of BSA–ATX system with increased concentration of ATX (a) 0 µM, (b) 5 µM, (c)10 µM, (d) 15 µM, (e) 20 µM, (f) 25 µM, (g) 30 µM, (h) 35 µM, (i) 40 µM, and (j) 45 µM while BSA concentration was fixed at 5 µM in physiological pH 7.4 PBS buffer at 298 K.
