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. 2019 Oct 30;9:15667. doi: 10.1038/s41598-019-52187-5

Table 1.

Stern-Volmer constant (KSV), binding constant (Ka) and number of sites (n) calculated through the fluorescence intensities at 340 nm and through the area below the fluorescence spectra in the range 305–400 nm.

Temperature (K) KSV(x104 M−1) kq(x1012 M−1s−1) Ka (x104 M−1) n
Intensity Areas Intensity Areas Intensity Areas Intensity Areas
288 1.78 ± 0.04 1.49 ± 0.04 2.65 ± 0.01 2.22 ± 0.01 1.72 ± 0.07 1.49 ± 0.04 0.83 0.86
298 2.11 ± 0.05 1.83 ± 0.04 3.14 ± 0.01 2.72 ± 0.01 2.24 ± 0.09 1.84 ± 0.07 1.02 0.97
308 2.38 ± 0.05 2.08 ± 0.05 3.54 ± 0.01 3.09 ± 0.01 2.54 ± 0.09 2.17 ± 0.09 0.88 0.80