@article{Durkalo_Gorobchenko_Nikolov_Gatash_2005, title={Influence of ionizing radiation on bovine serum albumin structure}, volume={2}, url={https://periodicals.karazin.ua/biophysvisnyk/article/view/13287}, abstractNote={<p><span class="im">Results of measurement of dielectric characteristics of an aqueous </span>solution of bovine serum albumin (BSA) gamma-irradiated by doses 15 and 30 Gy in the concentration range 5 - 100 mg/ml are presented.<br>Measurements of real and imaginary parts of complex dielectric permittivity have been realized by the microwave dielectric method at 9.2 <span class="im">GHz. It was found that hydration of native BSA is 0.2 - 0.25 g/g.<br></span>Concentration dependence of dielectric permittivity has a complicated <span class="im">character. For low concentrated protein solutions (up to 20 mg/ml) the </span>value of dielectric permittivity for radiation-exposed protein samples<span class="im"><br>is less than that in control that indicates an increase of water </span>bounded by protein. For higher concentrations (more than 20 mg/ml) the dielectric permittivity grows and exceeds control roughly level by one<br>unit under exposure to dose 15 Gy and half unit at dose 30 Gy that can <span class="im">be explained by protein structure indurations.</span></p&gt;}, number={16}, journal={Biophysical Bulletin}, author={Durkalo, N. T. and Gorobchenko, O. A. and Nikolov, O. T. and Gatash, S. V.}, year={2005}, month={Jun.}, pages={15-18} }