Channel Fabrication
Channel Fabrication - Related Videos
16:00
Fabrication of the Thermoplastic Microfluidic Channels
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2008
Here we demonstrate how to fabricate thermoplastic microfluidic chips using hot embossing and heat sealing. Then we demonstrate how to use in situ light directed surface grafting and polymerization through the sealed chip to form the composite solid phase columns.
14:44
Scalable Fabrication of Stretchable, Dual Channel, Microfluidic Organ Chips
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Cited by 43 •
2018
Here, we present a protocol that describes the fabrication of stretchable, dual channel, organ chip microfluidic cell culture devices for recapitulating organ-level functionality in vitro.
12:37
Electrode Fabrication and Implantation in Aplysia californica for Multi-channel Neural and Muscular Recordings in Intact, Freely Behaving Animals
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Cited by 19 •
2010
A technique is described for implanting four in vivo electrodes to monitor the neuromuscular control of feeding behavior in Aplysia californica.
09:36
Study of Cell Migration in Microfabricated Channels
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Cited by 45 •
2014
A quantitative method to study spontaneous migration of cells in a one-dimensional confined microenvironment is described. This method takes advantage of microfabricated channels and can be used to study migration of large number of cells under different conditions in single experiments.
05:40
Fabricating Cotton Analytical Devices
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2016
To investigate simple fabrication approaches for multiple assay needs, we created a fluid-absorbing channel system made of cotton material. This device was used to establish a multiple detection platform, and solve contamination issues that commonly affect lateral flow-based biomedical devices, for clinical urinalysis of nitrite, total protein, and urobilinogen.
FAQs
Channel dimensions, arrangement, and connectivity regulate how fluids move and how substances diffuse through a device. These design features determine whether nutrients, therapeutic compounds, or biological signals can reach particular regions efficiently. By adjusting geometry, researchers can create transport conditions that better represent organized biological networks and examine how cells respond to controlled delivery environments.
Surface properties affect interactions between the channel walls and the materials transported through them, including fluids, cells, and biological signals. When channels are integrated into a three-dimensional device, these properties work alongside geometry to influence transport behavior. Controlling both factors helps researchers build systems suited to studying cell behavior and biologically relevant microenvironments.
Connectivity links individual conduits into transport networks rather than isolated pathways. This organization can reproduce aspects of natural biological networks, allowing nutrients, therapeutic compounds, or signals to move through connected regions. In tissue-engineered scaffolds, vascular models, and organ-on-a-chip systems, connectivity supports more physiologically relevant experimental designs and enables researchers to study coordinated transport across a structure.
A typical workflow begins by patterning the desired channel design into a substrate. The patterned structure is then transferred or sealed into a three-dimensional device so that the conduits remain connected and usable. This sequence allows researchers to translate a controlled microscale or nanoscale layout into an experimental platform for regulating flow, diffusion, and biological transport.
Channel fabrication supports microfluidic platforms, tissue-engineered scaffolds, organ-on-a-chip systems, and vascular models. Each application uses controlled conduits to organize transport within an engineered setting. The resulting structures help researchers investigate cell behavior, provide nutrients or therapeutic compounds, and create experimental environments that reproduce selected features of natural biological transport networks.
In bioengineering, fabricated channels provide controlled routes for delivering nutrients, therapeutic compounds, fluids, or biological signals around cells and tissues. Their dimensions and connectivity can be designed to produce more physiologically relevant conditions than less organized systems. This makes them useful for examining cell behavior and for developing engineered models of tissue and vascular transport.