Abstract
Multimodal bioimaging is beneficial for clinical diagnosis and research due to the provision of comprehensive diagnostic information. However, the design of multifunctional bio-probes aggregating multiple bioimaging functions is greatly challenging. In this study, a multifunctional bio-probe based on lanthanide-based nanomaterials Sr2GdF7: Yb3+/Er3+/Tm3+(abbreviated as SGF) was developed forin vivomultimodal imaging by co-adopting apropos lanthanides and tuning their molar ratio. The experimental results indicate that SGF incorporates multiple excellent properties, such as 10 nm small size, optimal red-NIR region emissions, strong paramagnetism, excellent x-ray absorption ability and high biological safety. More importantly, SGF successfully realizedin vivomultimodal imaging of upconversion luminescence, magnetic resonance and x-ray computed tomography at the animal level. Thus, SGF is expected to become a multifunctional bio-probe for clinical research/diagnosis. This research would promote the application and transformation of lanthanide fluorides nanomaterials in the field of clinical diagnosis to a certain extent.
Published Version
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