Fig. 3: PEC in vivo detection of TET.
From: Atomically dispersed recognition unit for selective in vivo photoelectrochemical medicine detection

a Schematic of encapsulation of antifouling layer on Cu1-TiO2-x; b SEM image of Z-MOF, the scale bar is 200 nm, and the SEM images of the three different regions show consistent morphologies; c chemical reaction process for formation of Z-MOF; static water contact angle on d Cu1-TiO2-x and e Cu1-TiO2-x /Z-MOF; confocal fluorescent images of f Cu1-TiO2-x and g Cu1-TiO2-x /Z-MOF after immersing in FITC-BSA solution, the scale bar is 200 μm, and the fluorescence images of the three different regions show consistent fluorescence distribution; photocurrent responses on h Cu1-TiO2-x and i Cu1-TiO2-x /Z-MOF before and after incubating in BSA solution (20 mg mL−1); j comparison of PEC detection performance with or without BSA as bio-contaminator on Cu1-TiO2-x and Cu1-TiO2-x /Z-MOF, error bars correspond to the Standard Deviation of five independent measurements (n = 5); k Schematic of PEC in vivo detection of TET on Cu1-TiO2-x/Z-MOF in caudal vein of mouse; l PEC in vivo monitoring and tracking TET metabolism in living mouse; m in vivo selectivity measurements of TET on Cu1-TiO2-x/Z-MOF.