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. Author manuscript; available in PMC: 2018 Nov 30.
Published in final edited form as: Sens Actuators B Chem. 2013 Sep 3;190:334–341. doi: 10.1016/j.snb.2013.08.073

Fig. 5.

Fig. 5.

Fluorescent images and intensities of the concave and convex parabola-like profiles. Fluorescent images: (a) concave profile; (b) convex profile. Intensity profiles: (c) concave profile; (d) convex profile. The yellow solid lines in the fluorescent images represent the boundaries of the sample and buffer channels in the top layer, and the white dashed lines represent the boundaries of the gradient forming microchamber in the bottom layer. Intensity profiles are observed along the centerline (red) inside the gradient forming microchamber. (For interpretation of the references to color in this figure legend, the reader is referred to the web version of the article.)