Karamil Jayaprakash

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MEMS devices often employ free standing structures, such as beams and plates, over a cavity that allows space for structures to bend or oscillate, and also acts as a dielectric medium for the electrostatic field between the structure and the electrode placed at the bottom of the cavity. Such cavities are common in inertial and acoustic sensors. In order to(More)
We report the dynamical migration behavior of rigid polystyrene microparticles at an interface of co-flowing streams of primary CP1 (aqueous) and secondary CP2 (oils) immiscible phases at low Reynolds numbers (Re) in a microchannel. The microparticles initially suspended in the CP1 either continue to flow in the bulk CP1 or migrate across the interface into(More)
We report the dynamics of aqueous droplets of different size and viscosity at the interface of a coflowing stream of immiscible oils (i.e., primary and secondary continuous phases) in a microchannel, at low Re. The lateral migration of droplets introduced into the primary continuous phase toward the interface and subsequent selective migration of droplets(More)
When p-dinitrobenzene is reacted with Et(3)B in t-BuOH or THF in the presence of t-BuOK, it yields p-nitroethylbenzene. In this report we examine the scope of this transformation by monitoring the effect of various parameters on the reaction. It has been found that the reaction is extremely sensitive to temperature and rather insensitive to the base-solvent(More)
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