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Displaying 27476 - 27500 of 73929

Hydrogen Release and Combustion Measurements in a Full Scale Garage

January 1, 2010
Author(s)
Matthew Blais, Alexandra Joyce
Under the auspices of contract SB134109SE0612, The NIST contracted with Southwest Research Institute (SwRI) to perform a testing program designed to support NIST efforts on characterizing the behavior of hydrogen when released into enclosed spaces (e.g

Image-Based Feedback Control for Real-Time Sorting of Microspheres in a Microfluidic Device

January 1, 2010
Author(s)
Matt S. Munson, James Spotts, Antti Niemisto, Jyrki Selinummi, Jason G. Kralj, Marc L. Salit, Adrian Ozinsky
We have developed a fully automated control system to distribute user-defined numbers of antibody-functionalized fluorescent beads (scalable from tens to hundreds) to addressable assay chambers within a microfluidic PDMS device. We report an automated bead

IMMOBILIZED ENZYME CATALYZED POLYMERIZATION REACTIONS IN MICROREACTORS

January 1, 2010
Author(s)
Santanu S. Kundu, Atul Bhangale, William E. Wallace, Kathleen M. Flynn, Richard Gross, Kathryn L. Beers
Application of microreactor technologies enable improved safety, selectivity and yield in a range of chemical reactions in addition to new measurement methods that are often faster, cheaper and more accurate than traditional methods. In this study we have

IMPACT OF IMMOBILIZATION SUPPORTS FOR POLYESTERS SYNTHESIS ACTIVITY OF CANDIDA ANTARTICA LIPASE B

January 1, 2010
Author(s)
Atul Bhangale, Santanu S. Kundu, Wenchun Xie, William E. Wallace, Kathleen M. Flynn, Kathryn L. Beers, Richard Gross
Epoxy functionalized supports are known to be suitable for industrial-scale immobilization of enzymes for biocatalysis. However, chemistry across these epoxy groups is known to affect the catalytic performance of the enzymes.In order to achieve a balance

In-plane Homogeneity and Lipid Dynamics in tethered Bilayer Lipid Membranes (tBLMs)

January 1, 2010
Author(s)
Siddharth Shenoy, Radu Moldovan, James Fitzpatrick, David J. Vanderah, Markus Deserno, Mathias Losche
Tethered bilayer lipid membranes (tBLMs) were prepared by the self-assembly of thiolated lipidic anchors on gold films sputtered on Si wafers, followed by phospholipid precipitation via rapid solvent exchange. They were characterized in their in-plane

Magnetic connectors for microfluidic applications

January 1, 2010
Author(s)
Francisco J. Atencia, Gregory A. Cooksey, Andreas Jahn, Justin M. Zook, Wyatt N. Vreeland, Laurie E. Locascio
We present a new type of connector based on a simple idea: using a ring magnet on one side of the microfluidic chip and a disc magnet on the other side to provide the interfacial force necessary to provide a sealed connection between tubing or needles and

Measurement of yield stress for concentrated suspensions using a plate device

January 1, 2010
Author(s)
Min-Hong Zhang, Chiara C. Ferraris, Huaning Zhu, Vincent Picandet, Max A. Peltz, Paul E. Stutzman, Daniel De Kee
Slump has often been correlated with the yield stress of concrete as defined by the Bingham model. The discussion is still open as to what the yield stress value actually is and how to measure the yield stress of a suspension in general and for a
Displaying 27476 - 27500 of 73929
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