Sho Makino, Takayuki Ban and Wataru Sugimoto*, "Towards Implantable Bio-Supercapacitors: Pseudocapacitance of Ruthenium Oxide Nanoparticles and Nanosheets in Acids, Buffered Solutions, and Bioelectrolytes", J. Electrochem. Soc., 162(5), A5001-A5006 (2015).