Optoelectronic Effects in Modernization of Advanced Implants and Diagnostic
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ENAKI, N.; PROFIR, Aurelia; ŢURCAN, Marina; PASLARI, Tatiana R.; BAZGAN, Sergiu; NISTREANU, Andrei; STARODUB, Elena; RISTOSCU, Carmen; MIHĂILESCU, Ion. Optoelectronic Effects in Modernization of Advanced Implants and Diagnostic. In: Multidisciplinarity in Modern Science for the Benefit of Society. 21-22 septembrie 2017, Chișinău. Chișinău, Republica Moldova: Inst. de Fizică Aplicată, 2017, pp. 36-37. ISBN 978-9975-9787-1-2.
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Multidisciplinarity in Modern Science for the Benefit of Society 2017
Masa rotundă "Multidisciplinarity in Modern Science for the Benefit of Society"
Chișinău, Moldova, 21-22 septembrie 2017

Optoelectronic Effects in Modernization of Advanced Implants and Diagnostic

Pag. 36-37

Enaki N.1, Profir Aurelia12, Ţurcan Marina1, Paslari Tatiana R.1, Bazgan Sergiu1, Nistreanu Andrei1, Starodub Elena1, Ristoscu Carmen3, Mihăilescu Ion3
1 Institute of Applied Physics, Academy of Sciences of Moldova,
2 State University of Moldova,
3 National Institute for Laser, Plasma and Radiation Physics (INFLPR)
Disponibil în IBN: 16 martie 2018


Increasing popularity of implants requires new treatments of complications related with grafts. In recent years, new possibilities have emerged to use methods of pathogen decontamination along with the adhesion improving of organic tissue cells to the bone implant. These studies are stimulated by large occurrence of short or long-term complications, which could take place in implantology. The metamaterials assisted by UV-C radiation acting on the implant surface, unlock a new possibility of the etiological treatment of implants failure. In the same time, ways to reduce the bacterial load on the implant surface in order to accelerate the implant osseointegration process should be considered. The aim of this report is to evaluate the efficiency of metamaterials in form of small dimension spherical quartz balls (or Hydrogel) deposited on the implant surface for periodical decontamination with UV sources. On the other hand, the relative large free space between spheres promotes a good mechanical connection between the tissue cells and implant surface. The application of evanescent fields of microspheres and optical fiber systems with various topological symmetries opens new perspectives and possibilities in pathogens decontamination procedures. We analyze different geometries of packing of microspheres and optical fibers in order to obtain an efficient contact zone of radiation, like UV radiation and laser pulses, with contaminated tissue. This effect can be combined with the trapping manipulation of viruses and bacteria along the optical fibers and microspheres. The special trapping zones may be prepared with low frequencies radiation, after which the UV coherent radiation through metamaterials can be applied, so that the destroying effect of pathogens becomes possible. Dental implant samples filled with quartz optical fibers or spheres in periodical arrangements are proposed. The propagation of blue (405 nm) and UV (254 nm) radiation through such samples was studied. The connection between fiber systems or spheres and dental gums is examined experimentally and theoretically. The different geometries of light propagation through such samples were estimated. The development of nonlinear models of the excitation of vibration modes of viruses and bacteria is revisited based upon the multi-modal aspects of interaction of pulsed light with excited biomolecules.