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Автор(ы) : Boyandin A. N., Sukhanova, Anna Alekseevna, Nikolaeva, Elena Dmitrievna, Nemtsev I. V.
Заглавие : Chemical modification of films from biosynthetic poly-3-hydroxybutyrate aimed to improvement of their surface properties
Коллективы : International Conference on Progress on Polymers and Composites , Ministry of Science and Higher Education of the Russian Federation [FEFE-2020-0015]
Место публикации : International Conference on Progress on Polymers and Composites (4th ; 26-28 Nov. 2020). Macromolecular Symposia. - 2021. - Vol. 395: 4th International Conference on Progress on Polymers and Composites (NOV 26-28, 2020, Electr. Network), Is. 1. - Ст.2000281. - ISSN 1022-1360, DOI 10.1002/masy.202000281. - ISSN 1521-3900(eISSN)
Примечания : Cited References: 11. - This work was carried out by the team of the scientific laboratory "Smart Materials and Structures" within the state assignment of the Ministry of Science and Higher Education of the Russian Federation for the implementation of the project "Development of multifunctional smart materials and structures based on modified polymer composite materials capable to function in extreme conditions" (No. FEFE-2020-0015). The surface of the samples was investigated using a scanning electron microscope Hitachi TM3000 in the Krasnoyarsk Regional Center of Research Equipment of Federal Research Center "Krasnoyarsk Science Center SB RAS"
Аннотация: Films from biodegradable poly-3-hydroxybutyrate are treated with chemical reagents to improve their hydrophilicity and biocompatibility. Two approaches are tested: a single treatment with alkali, acids, oxidizing or reducing agents, and a step-by step treatment of the alkali pre-activated surface of polymer films with bromine water and amino-compounds (ammonia or triethylamine). The maximal level of hydrophilicity (the lowest water contact angle and the highest polar component of the surface free energy) is registered after a single treatment with NaOH and after the step-by-step treatment. These samples also showed the best adhesion of mouse fibroblasts of NIH 3T3 line on the film surface. So, the proposed methods can be used to enhance hydropilicity and biocompatibility of biopolymer surface.
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