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Microfluidics in chemical biology
Microfluidics in chemical biology is the application of microfluidics in the study of chemical biology.
Due to its physical dimensions, microfluidics both provides a unique platform to utilize chemical biology tools and serves as a chemical biology tool in itself. Defined as the manipulation of fluids through micron sized channels, the field of microfluidics has been studied extensively over the past twenty years, and much is known about how fluids behave at this scale. As such, this knowledge can, and has been used to manipulate biological samples in ways that cannot be achieved using standard bulk methods.
== Advantages ==
The main advantages achieved through miniaturization of sample volume with regards to chemical biology applications include the ability to perform high-throughput experiments using a minimum of sample, the means to isolate, amplify and detect rare events from a complex mixture, and the resources to perturb the environment of a cellular sample at the scale of the cell itself.〔 Through these capabilities researchers have been able to use microfluidics to crystallize proteins, perform the polymerase chain reaction, sequence DNA,〔 study protein expression of single cells, perturb embryonic development in flies, culture cells as well as perform many other important biological studies.
One unique feature that results from miniaturization of the sample vessel is the inevitable increased surface area to volume ratio. This inherent feature of microfluidic experiments can either lend to the advantages of using microfluidics or it can necessitate further refinement of experimental technique. In some instances, it is desirable to be able to direct molecules of interest to the interface between two phases. In this case, the enhanced surface area relative to the total reaction volume lends to the success of the experimental design. In other instances, it is necessary to prevent the migration of molecules to the surface. The most common instance of this is the propensity of protein molecules to adsorb at the interface between either air and water or oil and water. For these applications, it is necessary to modify the surfaces with either a surfactant or some other chemical additive to prevent this undesired effect.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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