Zobrazeno 1 - 8
of 8
pro vyhledávání: '"A. N. Sonina"'
Autor:
M. G. Drozdova, A. N. Veleshko, A. N. Sonina, E. A. Markvicheva, L. S. Gal′braikh, I. E. Veleshko, G. A. Vikhoreva
Publikováno v:
Fibre Chemistry. 45:79-84
Nanofibrous material was prepared by needle-free electrospinning from a mixture of chitosan and polyvinyl alcohol of equal masses. The conditions for converting it to an insoluble form by heat treatment were studied. The effectiveness of using chitos
Publikováno v:
Fibre Chemistry. 44:79-82
The effect of co-solvent additives of dimethylsulfoxide and ethanol on the electrical conductivity, surface tension, and structural and rheological properties of forming solutions of chitosan and their behavior under electroforming conditions were st
Publikováno v:
Fibre Chemistry. 42:350-358
Studies of production of chitosan and chitosan-containing nanofibre materials are examined in a review of the literature on the basic aspects of electrospinning of polymer fibres. The characteristics of the polymers used, composition and properties o
Autor:
G. A. Vikhoreva, S. A. Uspenskii, A. O. Chernyshenko, A. S. Kechek’yan, E. S. Obolonkova, A. N. Sonina, L. S. Gal'braikh
Publikováno v:
Fibre Chemistry. 42:359-363
Addition of ethanol to acetic acid spinning solutions for high-molecular-weight chitosan significantly accelerates hardening of the films obtained and the chitosan shells on the fibres, increases the homogeneity, and has almost no effect on their def
Publikováno v:
Fibre Chemistry. 42:88-91
It was shown that incorporation of ethyl alcohol in acetic-acid solutions of chitosan reduces their turbidity and intrinsic viscosity and increases the dynamic viscosity more the higher the concentration of chitosan and the amount of alcohol added.
Publikováno v:
Russian Journal of Marine Biology. 31:331-334
A comparative study of antioxidant activities of low-etherified pectin extracted from the eelgrass Zostera marina and of two antioxidative medicines, mildronat and emoxipin, was carried out using two in vitro methods allowing us to estimate the reduc
Autor:
M. Yu. Khotimchenko, L. N. Sonina
Publikováno v:
Russian Journal of Marine Biology. 33:204-206
The effects of pectin from the eelgrass Zostera marina on toxic liver injury induced by enteral administration of lead acetate are examined in experiments on rats. The results show that pectin helps to rapidly reduce lead concentration in liver, to d
Autor:
L S, Sutulov, S G, Kulkin, P P, Saxonov, J L, Sutulov, N I, Konnova, L V, Truchina, E S, Severgina, L L, Samsonova, S N, Sonina, T V, Selivanova, V I, Solovyev
Publikováno v:
Life sciences and space research. 9
On the occasion of the flight of Zond 7 four turtles were included in the payload. A detailed histological analysis was carried out upon recovery of the subjects. No gross changes were observed, but the nuclei in the cells of many tissues decreased i