1. Sumy State University, 2, Rimsky Korsakov Street, 40007 Sumy, Ukraine
2. Department of Biotechnology, Al-Farabi Kazakh National University, 050040 Almaty, Kazakhstan
3. Electron Microscope Unit, Mark Wainwright Analytical Centre, University of New South Wales, Sydney, New South Wales 2052, Australia
4. Institute for Problems of Materials Science National Academy of Sciences in Ukraine, 03142 Kiev, Ukraine
5. National Institute for Material Science (NIMS), 3-13 Sakura, Tsukuba, Ibaraki prefecture 305-0003, Japan
6. D. Serikbayev East Kazakhstan State Technical University, 69, Protozanova Street, 070004 Ust-Kamenogorsk, Kazakhstan
7. Lublin University of Technology, 36, Nadbystrzycka Street, 20-618 Lublin, Poland
8. Tele and Radio Research Institute, 11, Ratuszowa Street, 03-450 Warsaw, Poland
9. Abai Kazakh National Pedagogical University, pr. Dostyk 13, 050010 Almaty, Kazakhstan