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Experimental setup. (a) Free-running laser pumped by single beam-shaped... | Download Scientific Diagram
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Using 915 nm Laser Excited Tm3+/Er3+/Ho3+-Doped NaYbF4 Upconversion Nanoparticles for in Vitro and Deeper in Vivo Bioimaging without Overheating Irradiation | ACS Nano
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