A Portable Low-Power Acquisition System with a Urease Bioelectrochemical Sensor for Potentiometric Detection of Urea Concentrations. - Wei-Jhe Ma; Ching-Hsing Luo; Jiun-Ling Lin; Sin-Houng Chou; Ping-Hung Chen; Mei-Jywan Syu; Shin-Hung Kuo; Shin-Chi Lai (Sensors, 2016)