Fig. 6From: Smart nanomaterials for cancer diagnosis and treatmentCopyright 2018, Royal Society of Chemistry [191]Panel A illustrates PEC cytosensor fabrication process and its corresponding photocurrents. Panel B-a, Photocurrent responses of ITO/C3N4-AgI/Aptamer after incubating with various concentrations of the Hela cells (a) 10, (b) 1 × 102, (c) 1 × 103, (d) 1 × 104, (e) 1 × 105, (f) 1 × 106 in PBS (0.1 M, pH 7.4). Panel B-b, Calibration curve of the cytosensor for Hela cells detection; corresponding data points and error bars is related to the average and standard deviations from four individual experiments. Reprinted with permission from Journal of Material Chemistry B,Back to article page