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Immobilization of the suspended nanoparticles is essential for many microfluidic applications. This work reports a novel biomimetic method to immobilize nanoparticles by using a common adhesive tape as the substrate of microfluidic chip. It mimics the clams’ feeding system that utilizes the mucus (i.e., sticky fluid) to capture small phytoplankton particles in water. This work proves experimentally...
This paper reports a biomimetic method inspired by clam to immobilize nanoparticles easily on microfluidic chips. In nature, clam predation is benefit from a mucus-covered system, used for trapping suspended plankton. Through mimicking the mucus-covered system by a common adhesive tape, we immobilized TiO2 nanoparticles easily and environmental friendly, obtaining a better immobilization amount than...
This paper analyzes the different reaction pathways that play major roles in the process of photocatalytic degradation, and presents a novel microfluidic photoelectrocatalytic reactor for selective control of them. This is accomplished by applying positive or negative bias potential to the photocatalytic reaction chamber and to select either the hole-driven or electron-driven oxidation pathway. The...
This paper describes a micro-pumping technology using laser induced thermal bubbles, which offers greater flexibility for selective control of flow directions in microfluidic chips. Without complicated fabrication, the bubble in the microchannel could be created by focusing a continuous-wave laser onto the patterned metal pad. Experiments demonstrate that the flow direction can be freely chosen at...
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