T-microchannel
T-microchannel - Related Videos
10:24
Preparation of 3D Collagen Gels and Microchannels for the Study of 3D Interactions In Vivo
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Cited by 16 •
2016
Collagen is a core component of the ECM, and provides essential cues for several cellular processes ranging from migration to differentiation and proliferation. Provided here is a protocol for embedding cells within 3D collagen hydrogels, and a more advanced technique for generating randomized or aligned collagen matrices using PDMS microchannels.
10:55
Procedure for the Development of Multi-depth Circular Cross-sectional Endothelialized Microchannels-on-a-chip
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Cited by 5 •
2013
A microchannels-on-a-chip platform was developed by the combination of photolithographic reflowable photoresist technique, soft lithography, and microfluidics. The endothelialized microchannels platform mimics the three-dimensional (3D) geometry of in vivo microvessels, runs under controlled continuous perfusion flow, allows for high-quality and real-time imaging and can be applied for microvascular research.
08:32
Assembly and Characterization of an External Driver for the Generation of Sub-Kilohertz Oscillatory Flow in Microchannels
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2022
The protocol demonstrates a convenient method to produce harmonic oscillatory flow from 10-1000 Hz in microchannels. This is performed by interfacing a computer-controlled speaker diaphragm to the microchannel in a modular manner.
03:58
Microembossing: A Convenient Process for Fabricating Microchannels on Nanocellulose Paper-Based Microfluidics
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Cited by 3 •
2023
This protocol describes a straightforward process that utilizes convenient plastic micro-molds for simple microembossing operations to fabricate microchannels on nanofibrillated cellulose paper, achieving a minimum width of 200 µm.
08:06
Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone
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2017
The protocol for a novel ion concentration polarization (ICP) platform that can stop the propagation of the ICP zone, regardless of the operating conditions is described. This unique ability of the platform lies in the use of merging ion depletion and enrichment, which are two polarities of the ICP phenomenon.
FAQs
At the junction, the side stream enters the main channel and interacts with the advancing primary flow. Channel dimensions and flow conditions determine how much each stream is displaced, divided, or redirected. Fluid properties add another control layer, so changing fluid behavior or interfacial characteristics can alter the resulting flow pattern and the uniformity of downstream material handling.
Droplet formation reflects a competition between interfacial tension and viscous shear at the meeting point. Interfacial tension favors maintaining separate fluid interfaces, while shear from moving streams deforms those interfaces until a droplet can form. Adjusting flow conditions and channel dimensions therefore changes droplet production behavior, making the junction useful for controlled emulsification and encapsulation.
Small-scale geometry gives the junction high spatial control over neighboring streams, but the outcome is not determined by geometry alone. Flow conditions, channel dimensions, and fluid properties act together to determine whether streams divide, mix, or form droplets. This coupling explains why reproducible operation requires controlling the physical setup and the fluids simultaneously.
A basic workflow begins by directing one fluid through the main channel and another through the side branch, then examining behavior at the T-junction. The operator varies relevant flow conditions or channel dimensions to obtain the desired division, mixing, or droplet response. The same setup can then handle fluids, particles, or biological materials while using minimal sample volume.
T-microchannels are useful when an experiment needs controlled emulsification or reproducible droplet generation. Their junction geometry provides a defined location where streams interact, allowing investigators to produce droplets or particles under controlled fluidic conditions. In bioengineering, these outputs support encapsulation, assays, and lab-on-a-chip systems, where spatial control and low sample consumption are important.
For cell or biomolecule handling, the main value is controlled transport through a small fluidic environment rather than bulk processing. The device can guide these biological materials alongside other streams, while flow conditions and fluid properties influence their division, mixing, or incorporation into droplets. This makes the platform relevant to assays and microscale biological manipulation.