Sensing pH in a microfluidic channel with a lab-on-a-smartphone fluorescence spectrometer
J Chen, R Wang, A Renganathan, A Rattan, X Meng, RR Unnithan, KB Crozier
Optics InfoBase Conference Papers | Published : 2014
We demonstrate a smartphone unit for measuring pH. The dye-mixed sample is input to a microfluidic chip and inserted into the unit. The smartphone image sensor records the fluorescence spectrum, and an app determines pH.