1. Graduate School of Science and Engineering, Saitama University; Shimo-Ohkubo 255, Sakura-Ku Saitama 338-8570 Japan
2. Laboratory of Engineering NanoBiotechnology; Department of Engineering Geoecology; University of Mining and Geology “St. Ivan Rilski”; Sofia Bulgaria
3. Department of Infectious Pathology; Hygiene, Technology and Control of Food Stuffs of Animal Origin, Faculty of Veterinary Medicine, University of Forestry; Sofia Bulgaria
4. Materials Research Laboratory, University of Nova Gorica; Nova Gorica SI-5000 Slovenia