Toma K, Tsujii M, Arakawa T, Iwasaki Y, Mitsubayashi K, Dual-target gas-phase biosensor (bio-sniffer) for assessment of lipid metabolism from breath acetone and isopropanol. Sensors and Actuators: B. Chemical 2021; 329: 129260.(10.1016/j.snb.2020.129260).