Papers & Presentations

Showing results 1 - 12 of 12

Microfluidics

COMSOL Assistance for the Modeling of Cellular Microsystems COMSOL Assistance for the Modeling of Cellular Microsystems

The developments of microsystems for biotechnology have been fast in the last few years, and no sign of slowing down is observed. It has begun with lab-on-chip for genomics, especially for the recognition of DNA sequences, followed by...
COMSOL Conference 2011, Stuttgart
J. Berthier
CEA-LETI-Minatec
Grenoble, France

Design and Development of Microsystems within a Corporate Research Environment by Utilizing Comsol Multiphysics Design and Development of Microsystems within a Corporate Research Environment by Utilizing Comsol Multiphysics

Alexander Frey received his M.A. degree from the University of Texas, Austin, in 1994, the Dipl. Phys. degree from the University of Wuerzburg, Germany in 1997 and the PhD from the Saarland University, Germany in 2010. In 1997 he joined...
COMSOL Conference 2011, Stuttgart
A. Frey
Siemens AG
Corporate Research & Technologies
Munich, Germany

Design and Simulation of a Valveless Polymeric Micropump for Drug Delivery Applications Design and Simulation of a Valveless Polymeric Micropump for Drug Delivery Applications

Valveless micropumps have the advantage of being composed of least number of movable parts and hence can be used for long-term drug delivery applications. Their working principle is based on reciprocal forcing of fluid by an actuator...
COMSOL Conference 2011, Bangalore
S. Babu1 , and P. Manohar2
1 Department of Electrical and Electronics Engineering, M S Ramaiah Institute of Technology, Bengaluru, Karnataka, India
2 Department of Medical Electronics, M S Ramaiah Institute of Technology, Bengaluru, Karnataka, India

Electrophoresis and Electroosmosis in the Intracellular Transport of Macromolecules Electrophoresis and Electroosmosis in the Intracellular Transport of Macromolecules

Electric fields are present in biological systems at multiple spatial and temporal scales. Electroosmotic flow results from the action of electric field on the electrical double layer, formed at the fluid/solid or fluid/membrane interface...
COMSOL Conference 2011, Boston
V. Andreev
University of Miami
Miami, FL

Electrowetting-On-Dielectric Induced Droplet Actuation in M x N Array of Electrode Electrowetting-On-Dielectric Induced Droplet Actuation in M x N Array of Electrode

Digital microfluidic system based on EWOD (electrowetting-on-dielectric) technology can perform different fluidic operations on the same electrode array by simply modifying control software. One of the major challenges in EWOD device is...
COMSOL Conference 2011, Bangalore
S. Sohail1 , D. Das1 , S. Das2 , and K. Biswas1
1 Electrical Engineering Department, IIT Kharagpur
2 School of Medical Science and Technology, IIT Kharagpur

Hydrogel Microvalve Device Modeling and Simulation Hydrogel Microvalve Device Modeling and Simulation

Stimuli-responsive hydrogels such as poly(N-isopropylacrylamide) (PNIPAAm) are excellent biocompatible materials for microfluidic actuators due to their ease of fabrication and localized response to stimulus (pH, ionic strength, or heat)....
COMSOL Conference 2011, Boston
A. Li
Microinstrumetation Laboratory
Simon Fraser University
Canada

Improving Fuel Usage in Microchannel Based Fuel Cells Improving Fuel Usage in Microchannel Based Fuel Cells

In this work a miniaturized fuel cell design based on microchannels, into which the liquid fuel and oxidizer streams are fed through T shaped connectors, is optimized for improved fuel usage. This particular design exploits the laminar...
COMSOL Conference 2011, Boston
P. Fodor, and J. D'Alessandro
Dept. of Physics
Cleveland State University
Cleveland, OH

Lab on Chip for Detection of E.coli Cell Using Capacitance Modulation Lab on Chip for Detection of E.coli Cell Using Capacitance Modulation

In this paper , lab on chip (LoC) is proposed to detect an E.coli bacteria in water. LoC is a chip of size ranges from millimeter to few centimeter in which we can combine laboratory functions. The main components in lab on chip are micro...
COMSOL Conference 2011, Bangalore
S. Gupta
Visvesvaraya National Institute of Technology
Nagpur
Maharashtra, India

MEMS-Based Microdroplet Generation with Integrated Sensing MEMS-Based Microdroplet Generation with Integrated Sensing

This paper presents model development and simulation results for a microdroplet generator capable of internally measuring the volume of dispensed droplets. The system’s integrated sensing is enabled by storing compressible gas adjacent...
COMSOL Conference 2011, Boston
P. Ben-Tzvi, and W. Rone
George Washington University
Washington, DC

Microfluidic Systems for Cell Growth and Cell Migration Studies Microfluidic Systems for Cell Growth and Cell Migration Studies

Lab-on-a-chip devices for cell culturing are becoming imperative in order to satisfy the needs for point-of-care or decentralized laboratory testing. Towards that goal we have developed miniaturized membrane based cell culture chambers...
COMSOL Conference 2011, Stuttgart
M.Dimaki1 , P. Shah1 , D. Kwasny1 , J. Lange Moresco2 , and W. E. Svendsen1
1 Department of Micro- and Nanotechnology, Technical University of Denmark, Lyngby, Denmark
2 Sunstone Capital, Copenhagen, Denmark

Study of AC Electrothermal Phenomena Models Study of AC Electrothermal Phenomena Models

Recently, electrokinetic flows have raised the interest of the scientific community. Driving flow with an electric field leads to promising applications for mixing, concentration, pumping application in lab on chips. However, current...
COMSOL Conference 2011, Boston
S. Loire, and P. Kauffmann
University of California
Santa Barbara, CA

The Role of 1D & 2D Asymmetric Diffusion Layers In Rectification Through Ion-Selective Membranes The Role of 1D & 2D Asymmetric Diffusion Layers In Rectification Through Ion-Selective Membranes

Ion-selective membranes can be used in lab-on-a-chip devices for various portable applications in this field. These devices can be used as concentrators for analytical chemistry and for micro-scale filtration. Here, a binary aqueous...
COMSOL Conference 2011, Boston
W. Booth, J. Schiffbauer, and B. Edwards
West Virginia University
Star City, WV