Material Responsive condition K0 (%, h-1) R2 KH (%, h-1) R2
MCM-NH2-Quer 2.5 0.143 0.411 0.395 0.9
KCC-NH2-Quer 2.5 0.055 0.767 0.459 0.907
MCM-NH2-Quer 5 0.051 0.738 0.428 0.917
KCC-NH2-Quer 5 0.076 0.202 0.664 0.803
MCM-NH2-Quer 7.5 0.144 0.331 1.278 0.704
KCC-NH2-Quer 7.5 0.151 0.669 1.337 0.93
  GSH        
MCM-NH2-Quer 0.5 mM 0.151 0.925 1.244 0.786
KCC-NH2-Quer 0.5 mM 0.206 0.963 1.71 0.873
MCM-NH2-Quer 2.5 mM 0.097 0.91 0.806 0.838
KCC-NH2-Quer 2.5 mM 0.146 0.365 1.248 0.925
MCM-NH2-Quer 10 mM 0.081 0.921 0.687 0.88
KCC-NH2-Quer 10 mM 0.13 0.544 1.299 0.956
R2: correlation coefficient, K0: zero-order rate constant, K1: first-order rate constant, KH: Higuchi rate constant.
Table 2: Kinetic parameters of quercetin release from silica materials as drug carrier systems under different pH conditions based on mathematical models.