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HomeAffiliationsUniversity of Miami

Affiliations: University of Miami

Modeling and Simulation of PVDF-TrFE Based MEMS Scale Cantilever Type Energy Harvesters

Toprak A., Tigli O., University of Miami, US
We present the FEM modeling and simulation of a cantilever type piezoelectric energy harvester constructed using PVDF-TrFE. PVDF-TrFE is a CMOS compatible, soft piezoelectric polymer with a moderate electromechanical coupling coefficient. It is also flexible [...]

A Computational Study on Detection of Ultra Small Volumes of Liquid and Solid Media in Microcavities Using Surface Acoustic Wave Devices

Senveli S.U., Tigli O., University of Miami, US
In this study, we use finite element method (FEM) analysis to show the possibility of a microsystem capable of detecting and analyzing liquid and solid media in minute amounts using surface acoustic wave (SAW) devices [...]

Modeling and Simulation of PVDF-TrFE Based MEMS Scale Cantilever Type Energy Harvesters

Toprak A., Tigli O., University of Miami, US
We present the FEM modeling and simulation of a cantilever type piezoelectric energy harvester constructed using PVDF-TrFE. PVDF-TrFE is a CMOS compatible, soft piezoelectric polymer with a moderate electromechanical coupling coefficient. It is also flexible [...]

Analysis and Simulation of Rare Cell Detection and Size Based Profiling Using Coupled Micro-Hall Detectors

Gajasinghe R.W.R.L., Gabriel A., Tigli O., University of Miami, US
In this paper, we propose a method that uses magnetic nanoparticles (MNPs) to detect, and also estimate sizes of rare cells using Hall-effect. Rare cells labeled with MNPs are detected in-flow using a pair of [...]

Visual quantification of melamine using citrate-capped gold nanoparticles

Li N., University of Miami, US
Melamine is a nitrogen-rich compound widely used in plastics industry. Due to its high nitrogen content and low cost, it has been illegally added to food products to boost apparent protein content. Conventional methods to [...]

Finite Element Modeling and Simulation of Piezoelectric Energy Harvesters Fabricated in CMOS Technology

Mok A., Tigli O., University of Miami, US
Here we present a micron scale piezoelectric energy harvester fabricated in a commercial Complementary Metal Oxide Semiconductor (CMOS) technology. It is a trilayer cantilever model clamped on one end. The dimensions of this cantilever are [...]

Developing Super-Paramagnetic Nanoparticles for Central Nervous System Axon Regeneration

De Silva M.N., Almeida M.V., Goldberg J.L., University of Miami, US
Neurons in the central nervous system (CNS) fail to regenerate their axons after injury or in degenerative disease, and stimulating regenerative growth remains a major goal of neuroscience. Mechanical tension plays a key role in [...]

CFD-Based PEM Fuel Cell Models and Applications

Liu H., Zhou T., University of Miami, US
In recent years, various fuel cell models based on computational fluid dynamics (CFD) have been developed at the Fuel Cell Laboratory, University of Miami. These 2-or 3-dimensional models account for all the major transport phenomena [...]

Mechanisms of Selectivity in Biological Ion Channels

Nonner W., University of Miami, US
Ca, K and Na channels of biological membrandes are proteins that pass ions through a molecular pore, thereby selecting particular ions of biological importance. We repore here theoretical work suggesting that interactions among charged hard [...]

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