Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Irina Kondyurina"'
Publikováno v:
Biomimetics, Vol 9, Iss 4, p 234 (2024)
Protein-stable coverage of the artificial implant is a key problem for biocompatibility. In the present study, a protein layer was attached covalently to a polyurethane surface treated by an ion beam. A plasma system consisting of a vacuum chamber (0
Externí odkaz:
https://doaj.org/article/e7c9602c3a454a5f95884a4426913e8d
Autor:
Irina Kondyurina, Alexey Kondyurin
Publikováno v:
Journal of Functional Biomaterials, Vol 14, Iss 8, p 432 (2023)
Despite great success with artificial implants for the human body, modern implants cannot solve major health problems. The reason is an immune reaction of organisms to artificial implants, known as the foreign body reaction. We have found a way to av
Externí odkaz:
https://doaj.org/article/cdae7fd756dc45db8a297c98d3481381
Publikováno v:
International Journal of Cognitive Research in Science, Engineering and Education, Vol 8, Iss Special issue, Pp 69-77 (2020)
This study is devoted to the foreign language communicative competence development among non-linguistic universities under-graduate students. This research covered the issue of foreign language education based on the cognitive-conceptual model for te
Externí odkaz:
https://doaj.org/article/4d979e37f7144df1901b6f8042832d74
Autor:
S. Yu. Solodnikov, V. N. Terpugov, I. N. Shardakov, I. V. Fefilova, V. S. Chudinov, Irina Kondyurina, V. V. Maslova, Alexey Kondyurin
Publikováno v:
Biomedical Engineering. 54:255-257
Medical grade SKU-PFL polyurethane was treated with 20-keV nitrogen ions and implanted to rats. After one month, tissues with implanted polyurethane were sampled for histological analysis. Statistical analysis showed that the thickness of the tissue
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e957f92b4a06083e3ce44d6a22bc325
https://doi.org/10.1007/s10527-020-10016-4
https://doi.org/10.1007/s10527-020-10016-4
Publikováno v:
Biomedical Engineering. 52:431-434
A series of polyurethanes with low modulus of elasticity for soft tissue implantation was synthesized. Polyurethane samples were implanted into mice for seven days, after which histological studies of capsule formation were carried out. The mechanica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ecf869fe6d14d4ad7522f6bc22d2187d
https://doi.org/10.1007/s10527-019-09863-7
https://doi.org/10.1007/s10527-019-09863-7
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 440:163-174
Modern polyurethane elastomers are suitable materials for human implants. However, the immune system of an organism recognizes the polyurethane as a foreign body. A medical polyureaurethane, based on polyether, 2,4-toluenediisocyanate and aromatic di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d94a58f7878a3383ab8119be6e32ca2d
https://doi.org/10.1016/j.nimb.2018.12.026
https://doi.org/10.1016/j.nimb.2018.12.026
Publikováno v:
Biomedical Engineering. 52:243-246
Polyurethane with a low modulus of elasticity for implantation into soft tissues was synthesized. Polyurethane was treated with nitrogen ions with energy 20 keV, which created a graphite-like layer on the surface of thickness about 56 nm, with active
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::263d76b1058f6dd371da0386658abd2b
https://doi.org/10.1007/s10527-018-9822-z
https://doi.org/10.1007/s10527-018-9822-z
Autor:
A. L. Svistkov, Alexey Kondyurin, I. V. Osorgina, I. N. Shardakov, Irina Kondyurina, V. S. Chudinov
Publikováno v:
Biophysics. 63:330-339
Medical polyurethane was treated with 20 keV nitrogen ions with a fluence of 1014–1016 ions/cm2. The modified polyurethane has a layered structure consisting of a 70-nm carbonized layer and a partly depolymerized layer below the carbonized layer. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e8665adef75fb25ee2c300044a32795
https://doi.org/10.1134/s0006350918030053
https://doi.org/10.1134/s0006350918030053
Publikováno v:
Journal of Spacecraft and Rockets. 53:1019-1027
A cassette with uncured preimpregnated based on carbon fibers and epoxy resin was exposed in the stratosphere (40 km altitude) above the ozone layer for over three days. Temperature variations of −76°C to +32.5°C and pressures up to 2.1 Torr were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1dc9d1d0d723ab487be4b9a37e7abb08
https://doi.org/10.2514/1.a33478
https://doi.org/10.2514/1.a33478
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 342:39-46
A low friction urinary catheter that could be used without a lubricant is proposed in this work. A polyurethane coating was synthesised on the surface of a metal guide wire catheter. Ion implantation was applied to surface modify the polyurethane coa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::efc5cce7d9986b62047376546549e14b
https://doi.org/10.1016/j.nimb.2014.09.011
https://doi.org/10.1016/j.nimb.2014.09.011