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Lab disk for protein structure analysis via small-angle X-ray scattering. The centrifugal micro-fluidic biochip or centrifugal micro-fluidic biodisk is a type of lab-on-a-chip technology, also known as lab-on-a-disc, that can be used to integrate processes such as separating, mixing, reaction and detecting molecules of nano-size in a single piece of platform, including a compact disk or DVD.
Digital microfluidics (DMF) is a platform for lab-on-a-chip systems that is based upon the manipulation of microdroplets. Droplets are dispensed, moved, stored, mixed, reacted, or analyzed on a platform with a set of insulated electrodes.
This is where microfluidics can have an impact: The lithography-based production of microfluidic devices, or more likely the production of reusable molds for making microfluidic devices using a molding process, is limited to sizes much smaller than traditional machining. Critical dimensions down to 1 μm are easily fabricated, and with a bit ...
Microfluidic devices make possible the study of a single cell to a few hundred cells in a 3D environment. Comparatively, macroscopic 2D cultures have 10 4 to 10 7 cells on a flat surface. [ 10 ] Microfluidics also allow for chemical gradients, the continuous flow of fresh media, high through put testing, and direct output to analytical ...
Microfluidics refers to the flow of fluid in channels or networks with at least one dimension on the micron scale. [1] [2] In open microfluidics, also referred to as open surface microfluidics or open-space microfluidics, at least one boundary confining the fluid flow of a system is removed, exposing the fluid to air or another interface such as a second fluid.
3D Sarfus image of a DNA biochip. The microarray—the dense, two-dimensional grid of biosensors—is the critical component of a biochip platform. Typically, the sensors are deposited on a flat substrate, which may either be passive (e.g. silicon or glass) or active, the latter consisting of integrated electronics or micromechanical devices that perform or assist signal transduction.
Polydimethylsiloxane (PDMS) is a common material for open microfluidic devices that introduces additional advantages and disadvantages. The adsorption of small biological molecules from cell culturing samples as well as the release of oligomers into the culture medium have both been posed as issues of using PDMS for biological studies, however these can be reduced by adopting pretreatment ...
Brain-on-a-chip devices are devices that allow the culturing and manipulation of brain-related tissues through microfabrication and microfluidics by: 1) improving culture viability; 2) supporting high-throughput screening for simple models; 3) modeling tissue or organ-level physiology and disease in vitro/ex vivo, and 4) adding high precision ...