Microfabricated Devices
Microfabricated Devices - Related Videos
07:44
Microfabrication via Photolithography
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2023
The fabrication of BioMEM devices is often done using a microfabrication technique called photolithography. This widely used method utilizes light to transfer a pattern onto a silicon wafer, and provides the basis for the fabrication of many types of BioMEM devices. This video presents the photolithography technique, shows how the process is performed in the cleanroom, and introduces some applications of the process.
09:36
Study of Cell Migration in Microfabricated Channels
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Cited by 43 •
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.
15:21
Microfabricated Platforms for Mechanically Dynamic Cell Culture
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Cited by 3 •
2010
In this protocol, we demonstrate the fabrication of a microactuator array of vertically displaced posts on which the technology is based, and how this base technology can be modified to conduct high-throughput mechanically dynamic cell culture in both two-dimensional and three-dimensional culture paradigms.
08:28
Overview of BioMEM Devices
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2023
Bio-microelectromechanical systems, also called BioMEMs, are microscale devices that enable the use of small sample and reagent volumes for diagnostic devices in vivo and in vitro. These devices perform various functions such as filtration, sensing, or synthesis on the microscale, enabling cost savings and improved sensitivity. This video introduces BioMEMs, touches on their use in the bioengineering field, and presents some prominent methods used in fabrication. Additionally, this video...
08:29
Thermal Measurement Techniques in Analytical Microfluidic Devices
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Cited by 6 •
2015
Here, we present three protocols for thermal measurements in microfluidic devices.
FAQs
Fabrication methods determine which structures a device can provide. Photolithography creates patterned features, while etching removes material and soft lithography transfers patterns into a usable microscale form. Together, these processes can produce channels, sensors, membranes, and three-dimensional scaffolds, allowing device geometry to be matched to a bioengineering experiment.
Performance depends on how the architecture regulates several interacting elements: fluid movement, cell placement or behavior, biomolecule transport, and mechanical forces. A defined microscale layout can guide these interactions rather than leaving them to vary broadly across a larger, less integrated setup. This control helps isolate biological responses and supports reproducible experiments.
The microscale format reduces sample volumes while allowing multiple functions to occupy one compact platform. A single system can combine transport paths with sensing, membranes, or biological culture features. This integration supports assays that require several operations within one lab-on-a-chip device and can make complex experimental workflows easier to organize.
Reproducible architecture gives researchers defined conditions for comparing cellular behavior and biological interactions. When device features are produced consistently, observed differences can be related more confidently to the experimental design rather than uncontrolled structural variation. This supports disease modeling and evaluation of bioengineering strategies.
A typical development workflow begins by selecting the required microscale architecture, then using photolithography, etching, or soft lithography to pattern the desired structures. The resulting design may incorporate channels, sensors, membranes, or scaffolds according to the biological question. Researchers then use that architecture to control transport, cells, biomolecules, or forces.
These devices are useful when researchers need compact platforms that reduce sample volumes and integrate multiple functions. Lab-on-a-chip systems can support microfluidic assays, while biosensor designs can incorporate structures intended to detect or examine biological materials. Their controlled architectures also help connect sample handling with analysis in a single bioengineering format.
Three-dimensional scaffolds and other patterned structures can provide controlled settings for studying tissue-related behavior and biological interactions. Microfabricated platforms also support controlled drug delivery and tissue models, while their compact, reproducible formats contribute to diagnostic research and more personalized approaches. These applications connect microscale engineering with disease modeling and regenerative medicine.