Khomutov G.B. Complexes Of Natural Polyelectrolytes with Inorganic Nanoparticles. In: 11-th International Symposium on Polyelectrolytes, June 27 – 30, 2016, Moscow , р. 73.
Полный текст не доступен из этого репозитория. (Заказать копию)Аннотация
Functional nanomaterials and organized nanostructures composed of natural or biocompatible components are necessary for bio-medicine and other important fields of science and engineering [1]. The use of biogenic polyelectrolyte ligands and synthetic procedures based on the biomimetic self-organization and biomineralization principles are important from ecological point of view and are promising tools for nano-bio-engineering “bottom-up” synthetic strategies. In our report we discuss the results of experimental study of complexes of biogenic polyanions (DNA, hyaluronic acid) and polycations (spermine and stearoylspermine) with inorganic nanoparticles - metal (Au, Ag, Pd), semiconductor (CdSe) and magnetic iron oxide nanoparticles. The use of native DNA molecules as a template allowed to form quasi-linear arrays of CdSe nanorods [2] and magnetite nanoparticles [3] with anisotropic optical and magnetic properties. The ligand effects of biogenic polyamine spermine in the processes of synthesis of metallic (Pd, Au) nanostructures and in formation of free-standing highly-ordered nanocomposite sheet-like nanostructures fabricated via controlled self-assembly in a colloid aqueous suspension of cationic ligand-free magnetite nanoparticles have been studied [3]. Theoretical considerations showed that the energetic balance between electrostatic repulsive interactions and attractive chemical bonding forces of interacting components had substantial effect on the structure of the formed complexes. Planar complexes of DNA, spermine, amphiphilic polyelectrolytes and nanoparticles were formed at the aqueous phase/air interface and deposited onto the solid substrates. Similar interfacial complexes were used for development of new nanocomposite membraneous biocompatible magnetic vesicles based on the complexes of biogenic lipids, functional amphiphiles, nanoparticles and polyelectrolytes [4]. The developed synthetic procedures give possibilities for efficient control of structural-functional characteristics of nanocomposite polyelectrolyte complexes. The presented nanostructures are promising candidates for many potential applications including magnetic separation, controlled transport and release, drug delivery, formation of functional coatings on various substrate surfaces including fibers, etc.
| Тип объекта: | Доклад на конференции или семинаре (Доклад) |
|---|---|
| Авторы на русском. ОБЯЗАТЕЛЬНО ДЛЯ АНГЛОЯЗЫЧНЫХ ПУБЛИКАЦИЙ!: | Хомутов Г.Б. |
| Подразделения (можно выбрать несколько, удерживая Ctrl): | 164 лаб. устройств молекулярной и биологической электроники |
| URI: | http://cplire.ru:8080/id/eprint/3758 |
 |
Изменить объект |
