Influence of Physical and Chemical Modification on the Optical Rotatory Dispersion and Biological Activity of Chitosan Films

Table 2

Values of the rotation and dispersion constants of chitosan films in two chemical forms.

Sample	Chemical form of the polymer	Rotation constant 𝐾⋅10^−6				Dispersion constant 𝜆0 (nm)
		Lowry	Young-Doty	Heller	𝐾	Lowry	Young-Doty	Heller	𝜆0
CTS-87	Acetic	−1.6±0.2	−1.7±0.2	−1.6±0.1	−1.65	270±7	260±9	260±8	265
	Basic	−54±3	−56±2	−55±4	−55	140±10	160±5	160±8	150
CTS-640	Acetic	−3.3±0.4	−3.1±0.3	−3.0±0.4	−3.1	210±6	190±5	190±5	200
	Basic	−14.6±2	−15±2	−15.4±3	−15.0	110±3	100±2	100±2	100