Sensors, MEMS, Electronics – Page 13

Silicon Nanowire Vertical Arrays with Porous Top Electrodes for Trace Vapor Preconcentration and Partial Separation

Giordano B., Pehrsson P., Johnson K., U.S. Naval Research Laboratory, US

Commercial Off the Self (COTS) technologies for chemical vapor detection of trace analytes in complex, unknown background environments, often underperform with respect to sensitivity and selectivity. We have developed a chemical preconcentrator based on a [...]

Micro-Sized Power Controllers for Space

Frohling K., Iris Technology, US

The explosion in SmallSat and CubeSat deployments has led to a need for miniaturized cooling solutions for sensors that require cooling. Since there are limited opportunities for miniaturization in the thermal mechanical unit (TMU) portion [...]

Fast-reacting smart hydrogel-based sensor platform for biomedical applications

Koerner J., Reiche C.F., Leu H-Y, Magda J., Solzbacher F., University of Utah, US

Smart hydrogels are highly biocompatible polymeric materials which change their volume in the presence of an analyte they have been tailored for by molecular imprinting or aptamer-based approaches. These properties make hydrogels ideal candidates for [...]

Fully Transparent Field-Effect Biosensors

Du X., Herman G.S., Oregon State University, US

Amorphous indium gallium zinc oxide (IGZO) field effect transistors (FETs) are a promising technology for a wide range of electronic applications including implantable and wearable biosensors. We have recently developed novel, low-cost printing methods to [...]

An innovative device to determine the partial pressure of volatile components via substrate-integrated hollow waveguide infrared spectroscopy with integrated microfluidics

Penisson C., Theisen J., Kokoric V., Wilk A., Bernard G., Zemb T., Mizaikoff B., Gabriel J.-C.P., CEA, FR

A microfluidic system combined with substrate-integrated hollow waveguide (iHWG) vapor phase infrared spectroscopy has been developed for evaluating the chemical activity of volatile compounds dissolved in complex fluids [1]. Chemical activity is an important yet [...]

Sensors – Chemical, Physical & Bio

A new Method for Paper Porosity Estimation

Yang R-J, Prof, TW

A method is proposed for estimating the porosity of paper by comparing the electric current passing through a wax-printed channel patterned on the paper surface with that passing through a hollow PDMS channel. To ensure [...]

Numerical Simulation of Flow and Heat Transfer of a Ferrofluid in a Partially Filled Porous Channel in a Gradient Magnetic Field

Mokhtare A., Jafari A., Furlani E.P., University at Buffalo, US

Unique interactions of ferrofluids with magnetic fields can be exploited to achieve enhanced heat transfer for myriad fluidic based applications. In this study, we use a numerical simulation to investigate the transient behaviour of flow [...]

Numerical modeling of the formation of dynamically configurable L2 lens in a microchannel

Gupta A., Kitting J., Karampelas I.H., Flow Science Inc., US

The aim of this presentation is to describe the numerical modeling of a dynamically reconfigurable liquid-core liquid-cladding (L2) lens in a microfluidic channel, followed by a quantitative validation against the experimental results [1]. The lens [...]

CFD analysis and experimental validation of magnetic droplet generation and deflection across multilaminar flow streams

Gómez-Pastora J., Karampelas I.H., Alorabi A.Q., Tarn M.D., Bringas E., Iles A., Paunov V.N., Pamme N., Furlani E.P., Ortiz I., University of Cantabria, ES

The use of droplet-based microfluidic systems has increased in the last decade due to the advantages these systems present, such as compatibility with many chemical and biological reagents, capability of performing a variety of “digital [...]