Figure 1
From: Multipath colourimetric assay for copper(II) ions utilizing MarR functionalized gold nanoparticles

Schematic representation of the proposed Cu2+ sensing mechanism of the multipath colourimetric assay.
From: Multipath colourimetric assay for copper(II) ions utilizing MarR functionalized gold nanoparticles
Schematic representation of the proposed Cu2+ sensing mechanism of the multipath colourimetric assay.