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Polymeric microlenses for real-time aqueous and nonaqueous organic imaging
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View: Figures


Image of FIG. 1.
FIG. 1.

(a) Schematic for the fabrication of the PoSLens with a liquid PDMS droplet being actuated into contact with a PDMS substrate. (b) Optical microscope, scanning electron microscope (SEM) and surface profiler images of the microlens. The SEM image has an array of four microlenses of various diameters on the surface.

Image of FIG. 2.
FIG. 2.

Controlling contact angles of the interacting polymers. (a) A schematic of a drop on a flat solid surface. The liquid-vapor interface is a spherical cap. (b) Liquid PDMS on a PDMS substrate and (c) liquid PDMS on polystyrene. Atomic force microscope images of the PDMS surface for (d) 1 and (e) 5 min of plasma treatment; the roughnesses are 1.544 and 0.459 nm, respectively.

Image of FIG. 3.
FIG. 3.

Nonaqueous and aqueous imaging using the PoSLens system. A (a) non-PoSLens magnified and (b) PoSLens magnified image of a human hair on the opposite side of the microlens. (c) PoSLens magnified NIH 3T3 fibroblast cells cultured in liquid medium on the opposite side of the microlens.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Polymeric microlenses for real-time aqueous and nonaqueous organic imaging