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Solute characterization by optoelectronkinetic potentiometry in an inclined array of optical traps
Solute characterization by optoelectronkinetic potentiometry in an inclined array of optical traps
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机译:在倾斜的光阱阵列中通过光电子动力学电位进行溶质表征
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摘要
A method and apparatus for selecting a specific fraction from a heterogeneous fluid-borne sample using optical gradient forces in a microfluidic or fluidic system are presented. Samples may range in size from a few nanometers to at least tens of micrometers, may be dispersed in any fluid medium, and may be sorted on the basis of size, shape, optical characteristics, charge, and other physical properties. The selection process involves passive transport through optical intensity field driven by flowing fluid, and so offers several advantages over competing techniques. These include continuous rather than batch-mode operation, continuous and dynamic tunability, operation over a wide range of samples, compactness, and low cost.
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