Chemical, Physical & Bio-Sensors – Page 31

Quadruptlets-Microneedle Array for Blood Extraction

Khumpuang S., Kawaguchi G., Sugiyama S., Ritsumeikan University, JP

A novel fabrication of PMM(Polymethylmethacrylate) microneedle array using synchrotron radiation deep X-ray lithography is presented in this work. In general, microneedles with holes are required for biomedical application. The crown-shaped structure with quadruplets-microneedle is an [...]

Modeling of Dielectrophoresis for Handling Bioparticles in Microdevices

Yao G.F., Flow Science Inc., US

Dielectrophoresis can be used to trap and position bioparticles efficiently and sucessfully in BioMEMS devices. This paper present a computational model to simulate this process. In particular, the model will solve for electric potential distribution, [...]

Characterization of Micropumps for Biomedical Applications

Haik Y., Hendrix J., Kilani M., Galambus P., Chen C-J., Florida State University, US

A novel class of micro pump was developed at the Biomagnetic Engineering Lab at Florida State University. The pump operates by utilizing the viscous effects that are dominant the micro scale and by spinning a [...]

A Generic Sensor for Ultra Low Analyte Concentration Detection

Hedley J., McNeil C.J., Burdess J.S., Harris A.J., Dobson M.G., Suarez G., Berney H., Newcastle University, UK

This paper reports on the development of a MEMS based generic mass sensor system (international patents pending) aimed at quantitative analyte measurement with a sensitivity of the order of 0.01 ng per cm sq. The [...]

An Approach for Fabrication of Polymer-based Bio-analytical Microfluidic Devices

Wang M., Weng K-Y, Huang C-C, Liu W-P, Yao L-Y, Industrial Technology Research Institute, TW

Polymer is well suited as a substrate for bio-application devices due to its high dielectric constant, bio-compatible, low cost and ease of microfabrication. The primary goal is the successful fabrication of microchannels for biochip commonly [...]

Modeling of the Dielectrophoretic Forces Acting upon Biological Cells: A Numerical Comparison between Finite Element/Boundary Element Maxwell Stress Tensor Methods and Dipole Point Approach

Benselama A., Pham P., Canot É., CEA, FR

Maxwell Stress Tensor (MST) method is investigated in this study to quantify the degree of approximation made with the point dipole method in respect to dielectrophoresis (DEP) in microdevices. Latex particles and biological cells immersed [...]

Topic: Chemical, Physical & Bio-Sensors

Quadruptlets-Microneedle Array for Blood Extraction

Modeling of Dielectrophoresis for Handling Bioparticles in Microdevices

Characterization of Micropumps for Biomedical Applications

A Generic Sensor for Ultra Low Analyte Concentration Detection

An Approach for Fabrication of Polymer-based Bio-analytical Microfluidic Devices

Modeling of the Dielectrophoretic Forces Acting upon Biological Cells: A Numerical Comparison between Finite Element/Boundary Element Maxwell Stress Tensor Methods and Dipole Point Approach

Bio Micro Sensors and Systems

Finite Element Analysis in the Development of MEMS-based Compound Grating (MCG)

Modeling and Simulation on Two Passive Feedback Methods to Obtain Large Travel Range of Electrostatic Micro Mirrors

Eigenvalue Analysis of Tunable Micro-mechanical Actuator