Figure 2 | Scientific Reports

Figure 2

From: Fluorimetric Mercury Test Strips with Suppressed “Coffee Stains” by a Bio-inspired Fabrication Strategy

Figure 2

Schematics illustration of the main principle of the suppressed “coffee stains” of Au-AgNCs-containing droplets evaporated directly on the (a) bare and (c) hydrophobic HDS patterned glass slides, and the Au-AgNCs-loaded test strips dried on (b) the bare glass slide and (d) the hydrophobic HDS patterns, showing the dynamic moving procedures of Au-AgNCs (right) and the fluorescent photographs of the corresponding products (left).

Back to article page