Zobrazeno 1 - 10
of 12
pro vyhledávání: '"I. P. Chikhacheva"'
Publikováno v:
Тонкие химические технологии, Vol 8, Iss 1, Pp 77-80 (2013)
It is known that some synthetic polymers can enhance the stability of some proteins including enzymes against thermal denaturation. An important example of such behaviour is poly-N-vinylcaprolactam (PVC), although the mechanism of this phenomenon is
Externí odkaz:
https://doaj.org/article/445cbd941a764ded9ae101124e68678b
Publikováno v:
Russian Journal of Applied Chemistry. 91:325-329
Principal possibility of using a smart polymer, poly-N-vinylcaprolactam, for immobilization of biopharmaceuticals (antibodies and antigens) in the course of phase transition of a soluble coil into an insoluble globule was demonstrated. A procedure fo
Publikováno v:
Russian Journal of General Chemistry. 83:1448-1452
The features of the microwave irradiation effect on trypsin state and changes jn its enzymatic activity in the presence of poly(N-vinyl amides) at various temperatures have been studied. Comparison of the denaturizing effect of the irradiation and of
Publikováno v:
Russian Journal of General Chemistry. 81:545-549
Effect of microwave radiation on the polymer-analog reaction of polyvinyl alcohol with low molecular ketone, cyclohexanone, was studied. It is shown that using the energy of this radiation permits to increase considerably the rate of formation of pol
Autor:
D. V. Kapustin, E. I. Nikolaeva, Irina V. Kubrakova, I. P. Chikhacheva, Vitaly P. Zubov, E. Yu. Yagudaeva
Publikováno v:
Russian Journal of General Chemistry. 79:191-194
The synthesis of composite sorbents from porous silica modified by polyvinyl alcohol was studied. The initial silica retained its porosity after modification which was performed by application of polyvinyl alcohol from aqueous solution. The subsequen
Publikováno v:
Russian Journal of Applied Chemistry. 81:1842-1845
Synthesis of polyvinyl formal from a mixture of polyvinyl alcohol and formaldehyde under microwave irradiation was studied. The syntheses of polyvinyl formal under microwave irradiation and thermal treatment were compared. The yield of polyvinyl form
Publikováno v:
Russian Journal of Applied Chemistry. 78:1158-1161
The possibility of dehydration (cross-linking) of polyvinyl alcohol upon microwave irradiation of thin polymer films was examined. The properties of polyvinyl alcohol samples treated by convection heating and irradiation were compared. Immobilization
Autor:
E. V. Khataibe, V. P. Zubov, V. V. Berezkin, B. V. Mchedlishvili, I. P. Chikhacheva, A. N. Nechaev, A. V. Sergeev
Publikováno v:
Colloid Journal. 65:84-88
The effect of xenon difluoride (XeF2) vapors on the surface properties of the polymer films irradiated by heavy ions and of the nucleopore nanofilters produced from these films is studied. The procedure for modifying nucleopore membranes made of poly
Autor:
Ye.P. Yefremova, Yu.S. Bogachev, A.N. Pravednikov, S. D. Stavrova, I. P. Chikhacheva, I.L. Zhuravleva
Publikováno v:
Polymer Science U.S.S.R.. 27:595-601
The reactions of benzoyl and lauryl peroxides with various tertiary aromatic amines have been studied. The presence of 2 stages in the reaction of benzoyl peroxide with tetramethylphenylene diamine, differing in reaction rate, has been demonstrated.
Autor:
A.N. Pravednikov, V. V. Zhil'tsov, I. P. Chikhacheva, I. G. Makarov, V. M. Kazakova, S. D. Stavrova, E. P. Efremova
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 34:1848-1850
1. Compounds with a quaternary N atoms are formed by the action of BP on amines, in particular TMPD. 2. For the first time, the electronic absorption spectra of the cation-radicals of the DMA and DBA, which resulted from the action of the correspondi