Персона: Набиев, Игорь Руфаилович
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Инженерно-физический институт биомедицины
Цель ИФИБ и стратегия развития – это подготовка высококвалифицированных кадров на базе передовых исследований и разработок новых перспективных методов и материалов в области инженерно-физической биомедицины. Занятие лидерских позиций в биомедицинских технологиях XXI века и внедрение их в образовательный процесс, что отвечает решению практикоориентированной задачи мирового уровня – диагностике и терапии на клеточном уровне социально-значимых заболеваний человека.
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Игорь Руфаилович
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- ПубликацияТолько метаданныеSpectral and Spatial Characteristics of the Electromagnetic Modes in a Tunable Optical Microcavity Cell for Studying Hybrid Light-Matter States(2019) Moehalov, K. E.; Dovzhenko, D. S.; Vaskan, I. S.; Rakovich, Yu. P.; Nabiev, I. R.; Набиев, Игорь РуфаиловичStudies of resonance interaction between matter and localized electromagnetic field in a cavity have recently attracted much interest because they offer the possibility of controllably modifying some of the fundamental material properties. However, despite the large number of such studies, these is no universal approach that would allow investigation of sets of different samples with wide variation of the main experimental parameters of the optical modes. In this work, the main optical parameters of a previously developed universal tunable microcavity cell, i.e., the Q factor and mode volume, as well as their dependence on the characteristics of cavity mirrors and spacing between them, are analyzed. The results obtained will significantly expand the scope of applications of resonance interaction between light and matter, including such effects as the enhancement of Raman scattering, long-range resonance nonradiative energy transfer, and modification of chemical reaction rates.
- ПубликацияТолько метаданныеScanning Near-Field Optical Nanospectrophotometry: a New Method for Nanoscale Measurements of the Absorption Spectra of Single Nanoobjects(2019) Mochalov, K. E.; Solovyeva, D. O.; Vaskan, I. S.; Nabiev, I. R.; Набиев, Игорь Руфаилович© 2019, Pleiades Publishing, Ltd. Abstract: A new experimental method for nanoscale measurements of the absorption spectra of single nanoobjects has been developed based on scanning near-field optical microspectroscopy (SNOM) and nanospectrophotometry (NSP). The main distinctive feature of the proposed SNOM-NSP technique consists in depositing a sample onto a coverglass followed by its probing in the total internal reflection spectroscopy mode. This approach allows the number of analyzed samples to be significantly increased and provides the possibility of combining measurements with other optical techniques. The proposed SNOM-NSP method has been successfully used for studying single plasmonic nanoparticles and their complexes with Rhodamine 6G dye.
- ПубликацияТолько метаданныеConversion of Semiconductor Nanoparticles to Plasmonic Materials by Targeted Substitution of Surface-Bound Organic Ligands(2019) Samokhvalov, P. S.; Volodin, D. O.; Bozrova, S. V.; Dovzhenko, D. S.; Zvaigzne, M. A.; Lin'kov, P. A.; Nifontova, G. O.; Petrova, I. O.; Sukhanova, A. V.; Nabiev, I. R.; Самохвалов, Павел Сергеевич; Нифонтова, Галина Олеговна; Суханова, Алена Владимировна; Набиев, Игорь Руфаилович© 2019, Pleiades Publishing, Ltd.Abstract: Plasmonic nanoparticles have become a popularly accepted research tool in optoelectronics, photonics, and biomedical applications. The relatively recently appearing semiconductor plasmonic nanoparticles, as opposed to metal ones, are characterized by infrared plasmonic optical transitions and their application has a great future. In this work, the possibility of conversion of semiconductor (excitonic) fluorescence nanocrystals, i.e., quantum dots of the CuInS2 composition, to plasmonic nanoparticles by postsynthetic treatment without changes in the chemical composition of inorganic part of the nanocrystals was demonstrated for the first time ever.
- ПубликацияТолько метаданныеPhysical Interactions of Biopolymers with Nanoparticles(2019) Kosmyntseva, A. V.; Petrova, I. O.; Rakovich, Y. P.; Sukhanova, A. V.; Nabiev, I. R.; Набиев, Игорь РуфаиловичUsing fluorescence resonance energy transfer, the physical interaction of nanoparticles with biopolymers is studied by the example of the interaction of quantum dots (energy donor) with two-chain oligonucleotides labeled with a fluorescent organic dye BDP TR (energy acceptor). The high-efficiency resonance energy transfer from quantum dots to an organic dye not only makes it possible to study the dependence of the transfer efficiency on the donor-acceptor molar ratio but also represents an efficient tool for studying the interactions of oligonucleotides of different structures with nanoscale objects.