Madou M. – TechConnect Briefs

Novel Parameters for Rapid Blood Separation on a Centrifugal Platform

Gorkin R., Kim T-H., Madou M., Cho Y-K, University of California Irvine, US

Centrifugal microfluidic platforms are emerging as strong candidates for advanced integrated clinical diagnostics for such applications as automated immunoassay processing and nucleic acid analysis, however several implementation challenges limit their widespread use today. Purification of [...]

A High Throughput Multi-stage, Multi-frequency Filter and Separation Device based on Carbon Dielectrophoresis

Martinez-Duarte R., Andrade-Roman J., Collado-Arredondo E., Martinez S.O., Martinez-Duarte R., Madou M., University of California Irvine, US

We present a multi-stage, multi-frequency carbon dielectrophoresis (CarbonDEP) device for high throughput filtering and separation applications in the health care and biotechnology fields. CarbonDEP refers to the use of carbon electrodes to induce DEP. Up [...]

Fluidic and Electrical Characterization of 3D Carbon Dielectrophoresis with Finite Element Analysis

Martinez-Duarte R., Collado-Arredondo E., Cito S., Martinez S.O., Martinez-Duarte R., Madou M., University of California Irvine, US

The following work presents the fluidic and electrical characterization of a 3D electrodes array to be used in high throughput and high efficiency Carbon Dielectrophoresis (CarbonDEP) applications such as multi-stage filters, continuous particle enrichment and [...]

Growth of Si Nanowires on Nano Catalyst Corners

Wang C., Malladi K., Madou M., University of California Irvine, US

One dimensional structure with nanometer diameters, such as Si nanowires, have great potential for understanding and testing fundamental concepts about the roles of dimensionality in optical, electrical and mechanical properties and for applications ranging from [...]

Fabrication of Suspended C-NEMS Structures by EB Writer and Pyrolysis Method

Malladi K., Wang C., Madou M., University of California Irvine, US

Recently suspended C-MEMS structures were fabricated by accurately controlling the processing parameter. However how to fabricate various suspended C-NEMS structures is still a big challenge. Here we successfully fabricated C-NEMS by UV/EB lithography and pyrolysis [...]

Fabrication of Nanometer-Sized Structures by C-NEMS Technology

Ma K-S, Madou M., Jia G-Y, Xu Q., Zhou H., Wang C-L, Zoval J., Madou M., University of California Irvine, US

We have demonstrated a technique to fabricate carbon nano wires of controllable dimension and location using a top-down methodology. The width and thickness of the wires are in the tens of nanometer range. Additionally, the [...]

Electrical Detection of DNA Hybridization using Adjacent Impedance Probing (AIP) Method

Zhou H., Ma K-S, Madou M., Zoval J., Madou M., University of California Irvine, US

Sensitivity and selectivity are two of the most challenging criteria for the development of DNA biosensor devices. These biosensor devices have attracted interest for the rapid identification of pathogens in humans, animals, and plants, for [...]

Detection of DNA Hybridyzation with Impedance Amplifying Labels

Ma K-S, Madou M., Zhou H., Fischetti A., Zoval J., Madou M., University of California Irvine, US

Traditionally used nucleic acid analysis detection platforms rely on fluorescent or radioactive labels. Optical techniques require large and expensive equipment such as automated colorimetric and fluorimetric instruments that greatly increase the cost of the whole [...]