. Author manuscript; available in PMC: 2013 Oct 1.

Published in final edited form as: J Chem Thermodyn. 2012 May 7;53:125–130. doi: 10.1016/j.jct.2012.04.028

TABLE 1.

The estimated apparent maximum freezing point depression, adsorption coefficients and free energy change of adsorption for the AFPs.^a

Antifreeze Protein
(AFP)

Δ T_{max}^{'} (K)

K
(10⁻³ M⁻¹)

ΔG at 273 K
(kJ mol⁻¹)

Type I AFP

0.37 (0.01)

0.968 (0.08)

−15.60 (0.08)

Type II AFP-Ca²⁺

0.58 (0.03)

0.981 (0.05)

−15.64 (0.05)

Type II AFP

1.44 (0.01)

0.990 (0.05)

−15.66 (0.05)

Type III AFP

1.10 (0.01)

0.991 (0.03)

−15.66 (0.03)

TmAFP

10.9 (0.3)

0.980 (0.06)

−15.63 (0.06)

The Langmuir adsorption coefficient, K, was estimated by fitting the experimental data using Eq. 12. The free energy change of adsorption is estimated from ΔG_a = −RT ln K, where R = 8.314 J mol⁻¹ K⁻¹ and T = 273 K. Standard errors are in the parentheses.