Ultra-Sensitive Colorimetric Plasmonic Sensing and Microfluidics for Biofluid Diagnostics Using Nanohole Array

Figure 11

Overview of different microfluidic designs integrated on nanohole array sensor. (a) Parallel microfluidic channels with a width of 500 µm. (b) Serpentine microfluidic channels on a nanohole sensor array empty and (c) the same channel filled with water. (Channel width: 500 µm). (d) Microfluidic concentration gradient generator using serpentine channels integrated with nanohole array sensors. Modified from [77].

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