نتایج جستجو برای: flow focusing
تعداد نتایج: 575702 فیلتر نتایج به سال:
Liquid flooded flow-focusing microfluidic device for in situ generation of monodisperse microbubbles
heuristics are often used to provide solutions for flow shop scheduling problems.the performance of a heuristic is usually judged by comparing solutions and run times on test cases.this investigation proposes an analytical alternative ,called asymptotic convergence ,which tests the convergence of the heuristic to a lower bound as problem size grows. the test is a stronger variation of worst cas...
We present a novel microfluidic device with exponentially increasing obstacle arrays to enable sheathless particle focusing. The anisotropic fluidic resistance of slant obstacles generates transverse flows, along which particles are focused to one sidewall. In the successive channel with exponentially increasing widths, bent obstacles extended from the slant obstacles increase the focusing effi...
Computer-controlled hydrodynamic flow focusing was utilized to generate tethered protein gradients of any user-defined shape on the surface of soft synthetic hydrogels.
a total of 781 serum and 827 red cell samples from four populations of iran (kashan, ardestan, asrara and ardabil) were sub-typed by isoelectric focusing for group-specific componet and red cell enzyme phosphoglucomutase, locus one, respectively. heterogeneity test revealed no significant differences among the populations studied regarding both pgm1 and gc systems.
Background Aortic blood flow in healthy people is characterised by helical flow in the ascending and descending aorta, with corresponding patterns of wall shear stress (WSS) imposed upon the wall of the aorta by moving blood. Flow and WSS patterns in the aortic root and sinuses of Valsalva, and the flow patterns in diseased aortas are incompletely defined. We describe the use of a validated, ti...
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