%0 Journal Article %T DTMF-based pH-COP system %A Shakila, Mohammed Fabin %A Miriyala Premnath, Pravesh %J Proceedings of SPIE %V 8349 %N 1 %P 83493A-83493A-5 %@ 0277-786X %D 2011-12-09 %I SPIE %~ DeepDyve