Table 1.

Thermodynamic and kinetic parameters of the activation energy and entropy associated to the transesterification reaction yield for free and immobilized CAL-B.

Biocatalyst	Ea (kJ mol−1)	ΔS ≠ (J mol−1)	k (μMs−1) a	Yield (%) b
Free CAL-B	29.4	−73	0.048	2/1.5 c
NP-ImS4/CAL-B	25.6	−138	33.2	79.7
NP-ImS10/CAL-B	18.2	−142	21.7	90
NP-ImS18/CAL-B	27.8	−145	14.0	83

a- Determined at 32 °C; b- determined at at 32 °C and 24 hours.; c- reaction in presence of ImS10 surfactant.