Droplet Generation Device
Droplet Generation Device - Related Videos
09:05
Methylation Specific Multiplex Droplet PCR using Polymer Droplet Generator Device for Hematological Diagnostics
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2020
Epigenetic markers are used for white blood cell (WBC) subtyping through the quantification of DNA methylation patterns. This protocol presents a multiplex droplet polymerase chain reaction (mdPCR) method using a thermoplastic elastomer (TPE)-based microfluidic device for droplet generation allowing for precise and multiplex methylation-specific target quantification of WBC differential counts.
10:22
High Speed Droplet-based Delivery System for Passive Pumping in Microfluidic Devices
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Cited by 1 •
2009
A novel microfluidic system has been developed using the phenomenon of passive pumping and a user controlled fluid delivery system. This microfluidic system has the potential to be used in a wide variety of biological applications given its low cost, ease of use, volumetric precision, high speed, repeatability and automation.
08:58
Double Emulsion Generation Using a Polydimethylsiloxane (PDMS) Co-axial Flow Focus Device
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Cited by 8 •
2015
Microfluidic double emulsions generation typically involves devices with patterned wettability or custom-fabricated glass components. Here we describe the fabrication and testing of an all polydimethylsiloxane (PDMS) double emulsion generator that does not require surface treatment or complicated fabrication processes, and is capable of producing double emulsions down to 14 µm.
11:05
A Gradient-generating Microfluidic Device for Cell Biology
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Cited by 14 •
2007
We describe a protocol for the microfabrication of the gradient-generating microfluidic device that can generate spatial and temporal gradients in well-defined microenvironment. In this approach, the gradient-generating microfluidic device can be used to study directed cell migration, embryogenesis, wound healing, and cancer metastasis.
04:22
Generating Neuromuscular Junctions Using a Microfluidic Device
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2025
The video demonstrates the formation of neuromuscular junctions using a microfluidic device. Neural precursor cells and muscle progenitor cells are seeded into different wells within the device and left to mature into motor neurons and myotubes, respectively. The creation of a volume and chemical gradient leads to the development of active neuromuscular junctions.
FAQs
Interfacial forces act at the boundary between immiscible fluids and help determine when the dispersed phase separates from the continuous phase. As the fluids meet in microfluidic channels, these forces interact with flow conditions and channel geometry to produce discrete compartments. Their balance influences whether droplets form consistently and supports reproducible microscale reactions.
Flow rates and channel geometry are the main controllable factors identified for tuning droplet formation. Changing how quickly the immiscible phases enter the device can alter droplet dimensions, spacing, and production rate, while channel design influences how the phases meet and break apart. Researchers adjust these variables when a specific droplet pattern or volume is required.
Immiscible fluids remain separated rather than blending into one continuous mixture, allowing one phase to break into droplets within the other. This separation creates isolated liquid compartments that can contain cells, biomolecules, or reagents. In bioengineering, the resulting compartmentalization supports controlled small-volume reactions and reproducible microscale environments.
Reproducibility comes from controlling droplet size, spacing, and production rate through flow conditions and channel geometry. When droplets form uniformly, each compartment can provide a similar reaction volume and environment. This consistency is valuable for experiments that compare many isolated reactions, analyze individual cells, or evaluate biological responses across repeated microscale conditions.
A typical workflow begins by bringing immiscible fluids together within microfluidic channels, then adjusting flow rates and channel geometry to obtain the desired droplet size, spacing, and production rate. Researchers can introduce cells, biomolecules, or reagents into the relevant phase before droplet formation. The resulting compartments are then used for controlled microscale experiments.
This approach is useful when researchers need isolated, reproducible compartments for analyzing individual cells or performing many small-volume reactions. Droplets can separate biological contents so that measurements or reactions occur in defined microscale environments. The device therefore supports single-cell analysis and digital assays where compartmentalization and consistent droplet production are important.
Controlled droplets support several bioengineering applications, including drug screening, biomaterial synthesis, single-cell analysis, and digital assays. Their value comes from combining small reaction volumes with adjustable size, spacing, and production rate. These features allow researchers to create reproducible experimental conditions while handling cells, biomolecules, or reagents in isolated compartments.
By adjusting operating conditions, researchers can control droplet size, spacing, and production rate, creating defined experimental inputs for microscale studies. The droplets can also provide isolated environments for cells, biomolecules, or reagents. These controllable features help researchers examine small-volume reactions, support screening workflows, and generate reproducible conditions for bioengineering experiments.