NAVIGATION
Carboxyl modified up-conversion nanoparticles-COOH (yellow-green light)
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Carboxylated graphene quantum dot powder
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Carboxylated graphene quantum dots
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Dense silica coated upconversion nanoparticles (near-infrared light)
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Dense silica coated upconversion nanoparticles (violet blue light)
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Graphene oxide quantum dot solution
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