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Figure 1

From: Selective interaction between phytomediated anionic silver nanoparticles and mercury leading to amalgam formation enables highly sensitive, colorimetric and memristor-based detection of mercury

Figure 1

(a) Unripe Kokum fruits; (b) Kokum fruit extract and colloidal biogenic AgNPs; (c) UV−vis. spectra of AgNPs; (d) UV−Vis. spectra of colloidal AgNPs solution obtained after re-suspending pellets prepared by differential centrifugation. Inset images show colours of re-suspended pellets; (e) UV−vis. spectra of AgNPs in supernatants prepared by differential centrifugation. Inset images show colours of supernatant.

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