Microfluidic Mixer
Microfluidic Mixer - Related Videos
12:42
Microfluidic Mixers for Studying Protein Folding
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Cited by 9 •
2012
In this work we explain the fabrication and use of a microfluidic mixer capable of mixing two solutions in ~8 μs. We also demonstrate the use of these mixers with spectroscopic detection using UV fluorescence and fluorescence resonance energy transfer (FRET).
10:35
Studies of Bacterial Chemotaxis Using Microfluidics - Interview
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Cited by 1 •
2007
10:18
Multi-step Variable Height Photolithography for Valved Multilayer Microfluidic Devices
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Cited by 26 •
2017
Multilayer microfluidic devices often involve the fabrication of master molds with complex geometries for functionality. This article presents a complete protocol for multi-step photolithography with valves and variable height features tunable to any application. As a demonstration, we fabricate a microfluidic droplet generator capable of producing hydrogel beads.
14:24
Manufacturing of Three-dimensionally Microstructured Nanocomposites through Microfluidic Infiltration
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Cited by 4 •
2014
Three-dimensional (3D) microstructured composite beams are fabricated through the directed and localized infiltration of nanocomposites into 3D porous microfluidic networks. The flexibility of this manufacturing method enables the utilization of different thermosetting materials and nanofillers in order to achieve a variety of functional 3D reinforced nanocomposite macroscopic products.
05:41
Applying Microfluidics to Electrophysiology
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Cited by 1 •
2007
Microfluidics can be integrated with standard electrophysiology techniques to allow new experimental modalities. Specifically, the motivation for the ...
FAQs
Microfluidic mixers rely primarily on molecular diffusion rather than turbulence. At microscale flow conditions, streams remain arranged in layers, so the device must reduce the distance molecules travel before interpenetrating. This design principle explains why channel dimensions and internal architecture are central to achieving rapid, reproducible mixing with limited sample volumes.
Serpentine channels, split-and-recombine structures, and active agitation provide different ways to enhance mixing without depending on turbulent flow. Serpentine paths engineer the channel route, while split-and-recombine designs reorganize fluid streams. Active agitation adds a deliberate mixing mechanism. Selecting among these features lets researchers match device behavior to the desired preparation or reaction.
Residence time, concentration, and shear are important controllable conditions because they determine how long fluids interact, the composition delivered to a process, and the mechanical environment experienced by sensitive materials. Precise regulation of these variables can improve assay performance and support studies of biological processes that might be affected by uncontrolled handling.
Researchers bring two or more selected fluid streams into the microscale channel, choose an internal mixing architecture, and regulate the desired flow conditions. The resulting mixture can then support a formulation or biochemical reaction. This workflow enables controlled preparation while consuming very small amounts of sample and reducing reagent requirements.
Applications include nanoparticle preparation, drug formulations, biomaterials, and biochemical reaction mixtures. In each case, controlled combination of streams can improve reproducibility by setting concentration and residence-time conditions within the device. This makes the approach useful when researchers need consistent material preparation or reaction inputs while limiting sample and reagent consumption.
In bioengineering, the technology is especially relevant to assays and experiments involving sensitive biological processes. Control over shear and exposure conditions can help researchers maintain a defined experimental environment, while rapid mixing enables reproducible preparation of materials or reaction mixtures. These features support improved assay performance and more efficient use of reagents.