Acupuncture Injection Combined with Electrokinetic Injection for Polydimethylsiloxane Microfluidic Devices

Figure 4

Consecutive CCD images recorded at the different stages of sample injection using the AICEI method from the top view. (a) Initial state, (b) acupuncture, (c) sample injection, and (d) after injection.

(a)

(b)

(c)

(d)