Dielectric relaxation time values for water bound to various biomolecules |
Molecule |
τ (s) |
Remarks |
Reference |
Horse haemoglobin |
2 x 10-10 |
22% solution, 25 ºC |
173 |
Lysozyme |
5 x 10-10 |
powder, 33% H2O, 25 ºC |
175 |
Bovine serum albumin |
1.6 x 10-9 |
1% solution, 25 ºC |
171 |
Egg albumin |
5.3 x 10-10 |
1% solution, 25 ºC |
171 |
Proline, hydroxyproline |
~10-10 |
2 M solutions, 20 ºC |
179 |
ε-Amino-n-caprioc acid |
Starch |
(a) 1 x 10-9 (b) 2 x 10-10 |
powder, 25 ºC (a) 15% H2O, (b) 20% H2O |
180 |
D-Glucose |
2 x 10-10 |
2 M solution, 5 ºC |
181 |
Liquid water |
8.2 x 10-12 |
25 ºC |
158 |
Ice |
2.8 x 10-5 2.4 x 10-6 |
-3.8 ºC extrapolated to 25 ºC |
159 |
Pethig p.144 |
Reference 158: C. H. Collie, J. B. Hasted, and D. M. Ritson,
Proc. Roy. Soc. (London),
60, 145 (1948)
Reference 159: R. P. Auty and R. H. Cole,
J. Chem. Phys.,
20, 1303 (1952)
Reference 171: E. H. Grant,
Ann. N.Y. Acac. Sci.,
125, Art. 2, 418 (1965)
Reference 173: B. E. Pennock and H. P. Schwan,
J. Phys, Chem.,
73, 2600 (1969)
Reference 175: S. C. Harvey and P. Hoekstra,
J. Phys. Chem.,
76, 2987 (1972)
Reference 179: J. C. W. Shepherd and E. H, grant, Ii> Proc. Roy. Soc. (London(,
A307, 345 (1968)
Reference 180: P. Abadie, R. Charonniere, A. Gidel, P. Girard, and A. Guilbot,
J. Chim. Phys.,
50, C46 (1953)
Reference 181: M. J. Tait, A. Suggett, F. Franks, P. A. Quickenden, and S. Ablett,
J. Solution Chem.,
1, 131 (1972)