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полный	информационный	краткий

Поисковый запрос: (<.>K=polyhydroxybuturate<.>)

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Surface modification of bioresorbable polymer scaffolds by laser treatment / V. V. Slabko [et al.] // Biophysics. - 2010. - Vol. 55, Is. 2. - P234-238, DOI 10.1134/S0006350910020120 . - ISSN 0006-3509
Кл.слова (ненормированные):
hydrophilicity -- laser irradiation -- microbial biocompatible and biodegradable polymers -- polyhydroxybuturate -- surface properties
Аннотация: The effect of laser irradiation on the properties of the surface of films prepared from a bioresorbable polymer poly(hydroxybuturate) has been studied. To determine the spectral region of the polymer optimal for the effective action of radiation on electron molecular bonds, theoretical investigations have been performed, which have shown that, for modifying the surface of PHB scaffolds, it is expedient to use a vacuum laser at a wavelength of 160 nm. Using laser irradiation at a power from 3 to 30 W, a series of films with modified surface, from roughnesses to perforations, have been obtained. The microstructure and properties of the film surface depending on the mode of irradiation have been examined, and conditions have been found under which the contact marginal angles of film wetting with water can be decreased to 50° (compared with 76-80° in starting products). Thus, conditions of laser treatment of PHB scaffolds have been theoretically substantiated and experimentally realized that provide a beneficial effect on the properties of the surface without destroying the structure of the material. © 2010 Pleiades Publishing, Ltd.

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Держатели документа:
Siberian Federal University, Krasnoyarsk, Russian Federation
Institute of Biophysics, Russian Academy of Sciences, Siberian Division, Krasnoyarsk 660036, Russian Federation
Siberian State Technological University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Slabko, V.V.; Volova, T.G.; Shishatskaya, E.I.; Kuzubov, A.A.; Krasnov, P.O.
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