Detection of photoresponse of cell culture medium by a:Si:H photodiode under blue light exposure
This work investigates the influence of blue light on cell culture medium that is crucial for developing a biosensor for tumor cells. To this aim, the cell culture medium, DMEM and Trypsin, and 50% solution of DMEM and Trypsin were posted on the surface of amorphous silicon photodiodes and the variation of their photocurrent as a function of time was recorded. Results show, dependently on DMEM and Trypsin concentration, a photocurrent degradation and its unexpected increase after the expected influence of the Steabler-Wronski effect.