Research Article

A Facile Synthesis of Highly Nitrogen-Doped Carbon Dots for Imaging and Detection in Biological Samples

Figure 7

Ion detection of N-doped CDs. (a) Fluorescence recovery efficiency F/F0 response of the N-doped CDs toward Fe3+ and other interference. (b) PL spectra of N-doped CDs with different Fe3+ concentrations (0 to 50 μM). Inset: the dependence of F/F0 on concentration (0 to 50 μM).
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