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. 2019 Feb 18;4(2):3635–3645. doi: 10.1021/acsomega.8b01945

Figure 7.

Figure 7

(a) UV–vis spectra, (b) optical images of 5H-I2CA@AgNPs after the addition of different Al(III) ion concentration of 0.1–50 nM, and (c) plot of absorption intensity vs various concentrations of Al(III).