FRET-Based Detection of Enzymatic Reaction of Botulinum on Microfluidic Device

Figure 4

Micrograph of the weirs fabricated in the microfluidic device: (a) and (b) show the weir fabricated in the right and left sides of main channel; (c) and (d) show both ends of reaction chamber packed with microbeads. The scale bar in the figures means 100 μm.

(a)

(b)

(c)

(d)