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Displaying 47626 - 47650 of 143806

Effects of Polymeric Nanogratings on Cell Orientation

December 30, 2010
Author(s)
Nancy J. Lin, Sheng Lin-Gibson, Jirun Sun, Yifu Ding
Surface topography is known to play a critical role in the biological response to materials, with surface features on the order of both microns and nanometers altering cell response, including morphology, adhesion, cytoskeletal orientation, and gene

A 10 mK Scanning Probe Microscopy Facility

December 29, 2010
Author(s)
Young J. Song, Alexander F. Otte, Steven R. Blankenship, Alan H. Band, Frank M. Hess, Young Kuk, Vladimir Shvarts, Zuyu Zhao, Joseph A. Stroscio
We describe the design, development and performance of a scanning probe microscopy (SPM) facility operating at a base temperature of 10 mK in magnetic fields up to 15 T. The microscope is cooled by a custom designed, fully ultra-high vacuum (UHV)

Guidelines for the Secure Deployment of IPv6

December 29, 2010
Author(s)
Sheila E. Frankel, Richard Graveman, John Pearce, Mark Rooks
Due to the exhaustion of IPv4 address space, and the Office of Management and Budget (OMB) mandate that U.S. federal agencies begin to use the IPv6 protocol, NIST undertook the development of a guide to help educate federal agencies about the possible

Securing WiMAX Wireless Communications

December 27, 2010
Author(s)
Shirley M. Radack
This bulletin summarizes the information presented in NIST Special Publication (SP) 800-127, Guide to Securing WiMAX Wireless Communications: Recommendations of the National Institute of Standards and Technology. The publication, which was written by Karen

A Benchmark for Best View Selection of 3D Objects

December 23, 2010
Author(s)
Helin Dutagaci, Chun Pan (Benny) Cheung, Afzal A. Godil
The best view selection corresponds to the task of automatically selecting the most representative view of a 3D model. In this paper, we describe a benchmark for evaluation of best view selection algorithms. The benchmark consists of the preferred views of

Evidence that the reversible strain effect on critical current density and flux pinning in Bi2Sr2Ca2Cu3Ox tapes is caused entirely by the pressure dependence of the critical temperature

December 23, 2010
Author(s)
Daniel C. van der Laan, J. F. Douglas, Cameron C. Clickner, Theodore C. Stauffer, Loren F. Goodrich, Hans J. van Eck
It is well known that the critical temperature of cuprate- and iron-based high-temperature superconductors changes with pressure. YBa 2Cu 3O 7-δ coated conductors, as well as Bi 2Sr 2CaCu 2O x and Bi 2Sr 2Ca 2Cu 3O x tapes and wires, show a clear

Influence of Polyethyleneimine Graftings of Multi-Walled Carbon Nanotubes on Their Accumulation and Elimination by and Toxicity to Daphnia magna

December 23, 2010
Author(s)
Elijah J. Petersen, Roger A. Pinto, Danielle J. Mai, Peter E. Landrum, Walter J. Weber
Carbon nanotubes (CNTs) are often modified for different intended applications which often changes the nanotubes’ physicochemical properties, such as surface charge. Assessing the extent to which such modifications to carbon nanotubes influence their
Displaying 47626 - 47650 of 143806
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