1. Center of Nanoscience and Nanotechnology, Department of Chemical and Biological Engineering and Applied Science, National University of Mongolia, Ulaanbaatar 14200, Mongolia
2. Leather Study Department, Research and Development Institute of Light Industry, Mongolian University of Science and Technology, Ulaanbaatar 14191, Mongolia
3. Department of Chemical and Biological Engineering and Applied Science, National University of Mongolia, Ulaanbaatar 14200, Mongolia