FIGURE 6.

(a) (i) Comparison of the homogeneous and heterogeneous assays for Ebola virus oligo detection; (ii) UC emission spectra of BaGdF5:Yb/Er‐probe UCNPs with various concentrations of Ebola virus oligo target in the homogeneous assay; (iii) UC emission spectra of BaGdF5:Yb/Er‐probe UCNPs with various concentration of Ebola virus oligo target in the heterogeneous assay with NAAO membrane. (b) Schematic diagram of Ebola target oligo detection based on LRET biosensor with energy transfer from UCNPs to AuNPs on NAAO membrane. Reprinted with permission from Tsang et al. (2016). American Chemical Society