Fig. 8
From: Perovskite quantum dots modulating upconversion nanomaterials for cancer early detections
Fluorescence characteristics of the fluorescent probe MB-UCNP@SiO2 + QDs. A The sensing process of MB-UCNP@SiO2 + QDs fluorescent probes. B The normalized fluorescence intensity in A. C Fluorescence spectra of MB-UCNP@SiO2 + QDs at 531 nm with different MB concentrations. D Profiles of fluorescence peak intensity variation from the corresponding spectra in C