using-adhesive-patterning-to-construct-3d-paper-microfluidic-devices

Using Adhesive Patterning to Construct 3D Paper Microfluidic Devices

We demonstrate the use of patterned aerosol adhesives to construct both planar and nonplanar 3D paper microfluidic devices. By spraying an aerosol ...

University of California, Riverside

This article discusses the fabrication of planar and nonplanar 3D paper microfluidic circuits through the use of patterned spray adhesive application and origami techniques. The individual paper layers are held together via semi-permanent adhesive bonds without the need for external clamps. Semi-permanent bonds accommodate the repeated folding and unfolding required by complex origami device structures and allow the device to be unfolded post-use to view internally displayed results. Combinations of adhesive patterns and fluid channel widths were identified that did not prevent the fluid from traveling between layers and through the entire circuit. Further, this method was extended to nonplanar 3D paper microfluidic circuits, demonstrated via multi-fluid wicking within a modified origami peacock. Such nonplanar 3D paper microfluidic circuits are expected to offer an entirely new platform for exploring new designs and functions of paper analytical devices.

Brent Kalish

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