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. 2022 Jun 29;7(27):23759–23770. doi: 10.1021/acsomega.2c02424

Table 1. Fluorescence Intensity (I) of [2AHBC] as a Function of Quencher (Aniline) Concentration [Q] at a Fixed Solute Concentration (1 × 10–6 M) in Different ACN + DXN Solvent Mixtures at Room Temperature.

  100% ACN + 0% DXN λexi = 379 nm, λemi = 456 nm
80% CAN + 20% DXN λexi = 375 nm, λemi = 450 nm
60% CAN + 40% DXN λexi = 375 nm, λemi = 447 nm
40% CAN + 60% DXN λexi = 375 nm, λemi = 443 nm
20% ACN + 80% DXN λexi = 375 nm, λemi = 440 nm
0% CAN + 100% DXN λexi = 380 nm, λemi = 420.5 nm
[Q] I I0/I I I0/I I I0/I I I0/I I I0/I I I0/I
0.00 4665.500   3747.270   3600.000   3560.000   3500.000   3028.000  
0.02 3301.952 1.412 2867.341 1.306 2873.643 1.252 2768.762 1.285 2892.044 1.210 2564.158 1.180
0.04 2421.604 1.926 2184.928 1.715 2329.616 1.545 2160.823 1.647 2389.436 1.464 2144.113 1.412
0.06 1818.371 2.565 1669.565 2.244 1891.168 1.903 1674.593 2.125 1959.627 1.786 1760.470 1.719
0.08 1394.835 3.344 1229.971 3.046 1558.597 2.312 1278.738 2.783 1587.816 2.204 1410.314 2.147
0.10 1069.995 4.360 963.880 3.887 1232.003 2.922 929.138 3.831 1253.798 2.791 1084.714 2.791