1. J. S. Zhang, X. Y. Gao, and L. D. Zhang, Biofactors 15, 27 (2001).
2. D. Yu. Ershov, A. I. Kipper, L. N. Borovikova, et al., Sorbtsion. Khromatogr. Protsessy 11, 922 (2011).
3. Yu. E. Kirsh, Poly-Vinyl-Pyrrolidone and Other Poly-NVinylamides (Nauka, Moscow, 1998) [in Russian].
4. S. V. Valueva, A. I. Kipper, L. N. Borovikova, and N. A. Matveeva, Russ. J. Phys. Chem. A 84, 2110 (2010).
5. S. V. Valueva, S. G. Azizbekyan, M. P. Kuchinskii, et al., Nanotekhnika, No. 12, 53 (2012).