Microfluidics controls and studies small fluid volumes in confined channels. In cellular assays it can impose reproducible flow and chemical fields, but channel geometry, wall interactions and flow-induced stresses can themselves alter behaviour.
Electrical detection of particles passing through a conducting-liquid aperture. A particle changes the effective pore conductance transiently; pulse amplitude and duration depend on geometry, transport and interfacial charge, so calibration is essential.

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Microfluidics by Wikipedia Bot 1
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Microfluidics is the science and technology of manipulating and controlling fluids at the sub-millimeter scale, typically in channels with dimensions on the order of micrometers (10^-6 meters). It involves the study and application of fluid properties and behavior in confined geometries, often employing devices that integrate various components for processes like mixing, separating, and reacting fluids.
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