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HomeTopicsMicro & Bio Fluidics, Lab-on-Chip

Topic: Micro & Bio Fluidics, Lab-on-Chip

A Comparison of the Behavioral Characteristics of Miniature Gas Flow Sensors

Cousseau P., Dubochet O., Lerch Ph., Renaud Ph., Swiss Federal Institute of Technology, CH
This paper presents a comparison of three different designs for a miniature gas flow sensor operating on the thermal transfer principle, the standard silicon nitride membrane device and two plastic designs. The goal of this [...]

Computational Studies of Membrane-Based Test Formats

Krishnamoorthy S., Makhijani V.B., Lei M., Giridharan M.G., Tisone T., CFD Research Corporation, US
Membrane-based test formats provide simple, accurate and cost effective diagnoses of acute and chronic conditions in general population health. The sensitivity of the immunoassay is determined by the complex biochemical binding kinetics associated with the [...]

Impact of Microdrops on Solid Surfaces for DNA-Synthesis

Maier C., aus der Wiesche S., Hofer E.P., University of Ulm, DE
The miniaturization of chemical synthesis procedures and their integration in complex microfluidic systems is highly interesting both commercially and scientifically. Here, dosing of microdrops for activation or passivation with high accuracy on a substrate or [...]

Hydrodynamic Force on a Plate Near the Plane Wall

Kim J.H., Kim K.W., Kim M.U., Kim J.H., Kim K.W., Kim M.U., Kim J.H., Kim K.W., Kim M.U., Kwak B.M., KAIST, KR
Hydrodynamic force on a plate moving in a viscous fluid near the plane wall as a model of a microelectromechanical system(MEMS) is considered. The flow field is described by the linearized Navier-Stokes equation. The method [...]

Air-damping Effect on a Micro- and Nano-machined Beam Resonator

Xu G., Zhang C., Jiang Q., University of California, US
The air-damping effect on the resonant frequency and the quality factor of a micro- and nano-machined beam resonator is studied. The beam, placed in a uniform magnetic field, is driven to vibrate transversely by the [...]

Design, Fabrication and Experimental-Numerical Study of PZT Sensors

Arik M., Zurnx S.M., Yigit K.S., Bar-Cohen A., University of Minnesota, US
MEMS micropumps, based on PZT membranes have been designed and fabricated at the Microtechnology Laboratory of the University of Minnesota for use in fluid flow control, and as chemical and pressure sensors. Design, fabrication and [...]

Data on the Slip Coefficients

Sharipov F., Universidade Federal do Parana, BR
For mathematical modeling of micro fluidics it is necessary to calculate a rarefied gas ow through micropumps, microvalves and other elements with a high accuracy. Since the size of micro fluidics is close to the [...]

Application of the Gaseous Cross Phenomena to Microfluidics

Sharipov F., Universidade Federal do Parana, BR
Since the size of micro fluidics is very small the gas owing through micropumps, microvalves etc. can not be considered as a continuous medium but its rarefacation must be taken into account. The rarefied gas [...]

Theoretical Approximations for the Average Linear Flow of Carrier Gas Through a Rectangular GC Column

Spangler G.E., Technispan LLC, US
The ability of a gas chromatographic (GC) column to separate two compounds is determined by its analytical resolution. The height equivalent to a theoretical plate (HETP) is given by Eq. 1. For a rectangular column, [...]

Pneumatic Regulation of Bi-Directional Fluid Flow in Microchannels

Wan Y-M., Wang S-H., Yao N-K., Chen C., Hung L-Y., Wang S-H., ITRI, TW
This paper presents a modeling of airflow inside micro-tunnel for fluid pumping. By utilizing unidirectional air servo system, fluid flow can be regulated within microchannels. The operation of servo system is controlled with multiple nozzles. [...]

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