Figure 3. Dielectric constant and loss of collagen aqueous solution with glycine and pure water.

Dielectric constant and loss of (a) 4 wt% collagen aqueous solution with 3 mol% glycine (open symbols) and water (filled symbols); (b) best-fitting curve for the solution using three Debye functions (Eq. 1). As evident for the aqueous amino acid solutions, all the sample solutions exhibit the L, M and H processes. The dielectric relaxation times of the L processes for all the samples are very similar to those of the corresponding aqueous solutions of amino acids, as indicated in Table 2(a) and (b). Combining the results shown in this figure and Table 2, it is strongly suggested that the local viscosity in the collagen aqueous solution is almost the same as that of bulk water.