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. 2021 Oct 21;18(11):4210–4223. doi: 10.1021/acs.molpharmaceut.1c00716

Table 1. Stability Constants (K1:1), Complexation Efficiencies (CE), and Solubility Enhancement (Smax/S0) for Binary Systems of PZQ with Selected CDs Obtained by Different Analytical Methods.

  β-CD HPβCD RMβCD SBEβCD
K1:1/M–1 HPLC 456.77 ± 19.68 282.18 ± 5.90 543.02 ± 1.70 487.55 ± 34.61
UV–vis 422.63 ± 87.49 230.08 ± 43.05 483.64 ± 67.88 378.70 ± 47.40
fluorescence 441.67 ± 15.86 281.30 ± 16.60 517.24 ± 45.07 517.68 ± 55.06
CE HPLC 0.33 ± 0.03 0.21 ± 0.01 0.37 ± 0.01 0.34 ± 0.01
UV–vis 0.33 ± 0.05 0.21 ± 0.01 0.34 ± 0.04 0.33 ± 0.03
fluorescence 0.33 ± 0.03 0.23 ± 0.01 0.39 ± 0.01 0.35 ± 0.03
Smax/S0 HPLC 5.26 10.63 16.58 15.44
UV–vis 4.73 8.44 15.17 12.19
fluorescence 5.09 9.51 15.79 16.37