Figure 7.
(A) Schematic illustration of the upconversion FRET process between ssDNA-UCNPs and GO for ATP sensing; (B) PL spectra of the UCNPs-GO FRET aptasensor of varying concentrations of ATP. Adapted from reference 82.
(A) Schematic illustration of the upconversion FRET process between ssDNA-UCNPs and GO for ATP sensing; (B) PL spectra of the UCNPs-GO FRET aptasensor of varying concentrations of ATP. Adapted from reference 82.