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. 2007 Sep 20;1(3):034105. doi: 10.1063/1.2789565

Figure 1.

Figure 1

Optical micrograph of a parallel array of submicrometer fluidic channels in fused silica. Single molecule detection was performed in the center region of the channel, with a width of 500 nm. The channel array was etched to a depth of 250 nm.