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Fig. 2 | Nanoscale Research Letters

Fig. 2

From: A Brief Review of Carbon Dots–Silica Nanoparticles Synthesis and their Potential Use as Biosensing and Theragnostic Applications

Fig. 2

a1 Scheme of the construction of the nanosensor for oxygen sensing, a2, a3 FE-SEM and TEM micrographs showing the morphology of the nanoparticles, b graph presenting the variation in fluorescence intensity as a function of the concentration of oxygen, and Stern–Volmer plot showing the quenching degree of the luminophore. Adapted with permission from ref. [190] Copyright 2016 Elsevier

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