Figure 6.

In situ generation of electron/hole donors: (A) Incorporation of dual enzyme tags for multiplexed cardiac troponin I (cTnI) and C-reactive protein (CRP) detection [Reprinted from Zhang et al. (2016a) with permission from American Chemical Society]. (B) Schematic Illustration of near infrared to ultraviolet light-mediated photoelectrochemical aptasensing for cancer biomarker detection and mechanism of signal generation in NaYF₄:Yb,Tm@TiO₂ photoactive electrode [Reprinted from Qiu et al. (2018) with permission from American Chemical Society].