Research / 2022 / Article / Fig 4

Research Article

Smartphone-Based Photoelectrochemical Immunoassay with Co9S8@ZnIn2S4 for Point-of-Care Diagnosis of Breast Cancer Biomarker

Figure 4

(a) Screenshot plots of the Android App for real sample detection using smartphone-based portable PEC immunoassay. (b) Concentration-absorbance linear equations associated with HER2 ELISA kits. (c) Comparison of HER2 concentrations measured with smartphone-based portable PEC immunoassay and those measured with a commercial ELISA for 10 clinical serum samples.