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You searched on: Topic Area: Microfluidics

Displaying records 11 to 20 of 25 records.
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11. Quantitative Permittivity Measurements of Nanoliter Liquid Volumes in Microfluidic Channels to 40 GHz
Topic: Microfluidics
Published: 12/1/2010
Authors: James C Booth, Nathan D Orloff, Jordi Mateu, Michael D Janezic, Matthew Rinehart, James A Beall
Abstract: We describe the design, fabrication, and evaluation of a new on-wafer measurement platform for the rapid, quantitative determination of the complex permittivity of nL fluid volumes over the frequency range from 10 MHz - 40 GHz. Our measurement platf ...

12. Nanoparticle Formation and Characterization in Continuous Flow Microfluidic Systems
Topic: Microfluidics
Published: 10/13/2010
Authors: Samuel M Stavis, Michael Gaitan

13. Separation and Metrology of Nanoparticles by Nanofluidic Size Exclusion
Topic: Microfluidics
Published: 8/11/2010
Authors: Samuel M Stavis, Jon C Geist, Michael Gaitan
Abstract: A nanofluidic approach to the separation and metrology of nanoparticles is demonstrated. Advantages of this approach include nanometer-scale resolution, nanometer-scale to submicrometer-scale range, mitigation of hydrodynamic and diffusional limitat ...

14. Microfluidic and Nanofluidic Device Metrology
Topic: Microfluidics
Published: 4/16/2010
Author: Samuel M Stavis

15. Engineered Microfluidic and Nanofluidic Device Metrology
Topic: Microfluidics
Published: 3/22/2010
Author: Samuel M Stavis

16. Droplet Formation at Microfluidic T-junctions
Topic: Microfluidics
Published: 12/31/2008
Authors: David A LaVan, Xiang Xu
Abstract: Analysis of droplet formation in microfluidic systems is important to understand the operation of these devices, and to permit optimal design and process control. Droplet formation in microfluidic T-junction devices was studied using experimental an ...

17. Solution and Surface Composition Gradients via Microfluidic Confinement: Fabrication of a Statistical-Copolymer-Brush Composition Gradient
Topic: Microfluidics
Published: 6/6/2006
Authors: Chang Xu, Susan E. Barnes, Tao Wu, Daniel A Fischer, Dean M DeLongchamp, J Batteas, Kathryn L Beers
Abstract: A simple method to generate solution gradients through microfluidic confinement is described. The solution gradient inside a microchannel was formed by varying the relative infusion rates of two solutions that differed in compositions. The establishm ...

18. Microfluidic Platform for the Generation of Organic-Phase Microreactors
Topic: Microfluidics
Published: 4/1/2005
Authors: Zuzanna T. Cygan, J Cabral, Kathryn L Beers, Eric J. Amis
Abstract: Rapid prototyping photolithography of a thiolene based resin was used to fabricate microfluidic devices stable to aliphatic and aromatic organic solvents. The swelling of the thiolene resin in various organic solvents was quantified and the solvent ...

19. A New Synthetic Method for Controlled Polymerization of HPMA Using a Microfluidic System
Topic: Microfluidics
Published: 2/1/2004
Authors: Tao Wu, Ying Mei, J Cabral, Chang Xu, Kathryn L Beers
Abstract: Atom transfer radical polymerizations (ATRP) were performed in a microfluidic channel, fabricated in a solvent resistant polymer matrix. Compared to conventional batch polymerization, microfluidic platforms offer a unique opportunity to handle small ...

20. DNA Hydrogel Plugs Immobilized in Microfluidic Channels with Improved Stability
Topic: Microfluidics
Published: 2/28/2002
Authors: Rebecca A Zangmeister, K G Olsen, David J Ross, Michael J Tarlov
Abstract: It has been previously demonstrated that DNA, modified on the 5' end with an acrylic acid group, can be incorporated into a polyacrylamide hydrogel matrix. These types of DNA containing gels have recently been immobilized in plastic microfluidic cha ...

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