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. 2022 Mar 21;25(1):168–179. doi: 10.1007/s11307-022-01710-8

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Fig. 1. — Concept overview of the proposed imaging platform: a Illumination scheme of lanthanide-based upconverting nanoparticles. b Proposed time-resolved optics-free intraoperative imaging platform for optically guided surgeries. c Diagram of time-resolved image acquisition sequence.