An integrated silicon sensor with microfluidic chip for monitoring potassium and pH - Sharma, S; Radomska-Botelho, Moniz A; Triantis, I; Michelakis, K; Trzebinski, T; Azarbadegan, A; Field, B; Toumazou, C; Eames, I; Cass, A (Microfluidics and Nanofluidics, 2011)