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Microfluidic chip for performing multiphase (liquid/gas) reactions with heterogeneous catalysis. (a) Photograph of chip. This system was used for the hydrogenation of alkenes to form alkanes. The channel structures are in silicon. The heater and…

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from article Microfluidics

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from article Microfluidics

Flow profiles at a solid boundary (a) with no slip and (b) with slip.

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from article Microfluidics

Flows in microchannels. (a) Diagram of a section of a microchannel with a square cross section. (b) Flow profile of a pressure-driven flow and (c) an electroosmotic flow in a channel. The two series of fluorescent micrographs show the evolution of a…

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from article Microfluidics

Passive micromixer. (a) Section of a microchannel with grooves in the form of asymmetric herringbones on the bottom wall; the grooves lead to mixing in pressure-driven flows through the channel. One mixing cycle is made up of two regions of…

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from article Fat and oil (food)

Olive oil and other sources of healthy fats in food. Cocoa butter in dark chocolate is a mixture of fatty acids. (Credit: Lumus Photography/iStock/Getty Images)

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from article Fat and oil (food)