National Kaohsiung Marine University 1 article published in JoVE Chemistry Synthesizing Sodium Tungstate and Sodium Molybdate Microcapsules via Bacterial Mineral Excretion Pao-Hung Lin1, Ying-Tang Huang2, Fu-Wen Lin3 1Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, 2Department of Marine Biotechnology, National Kaohsiung Marine University, 3Institute of Applied English, National Taiwan Ocean University This work presents a protocol for manufacture sodium tungstate and sodium molybdate microcapsules via bacteria and their corresponding nanoparticles.