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. 2023 Nov 13;8(47):44820–44830. doi: 10.1021/acsomega.3c06006

Table 3. Stern–Volmer Constants and Bimolecular Quenching Rate Constant, kq, at 25 and 50 °C for Monomer Crowdersa.

  KSV (M–1)
kq (M–1 ns–1)
crowders 25°C 50°C 25°C 50°C
dextrose 0.0415 (0.90) –0.038 (0.74) 0.0134  
sucrose 0.444 (0.96) 0.241 (1.0) 0.143 0.155
ethylene glycol –0.0325 (0.97) –0.040 (0.94)    
1-ethyl-2-pyrrolidone 0.254 (0.92) 0.138 (0.84) 0.0819 0.0888
a

The bimolecular quenching rate constant, kq, values were obtained using eq 2 with τ0 value of 3.1 ns4 and 1.55 ns at 25 and at 50 °C, respectively. The goodness-of-fit (correlation coefficient) of the fitted functions are given in parentheses.