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Displaying 46301 - 46325 of 143793

Microscopic Polarization in the Bilayer Graphene

April 24, 2011
Author(s)
Joseph A. Stroscio, Suyong S. Jung, Nikolai N. Klimov, David B. Newell, Nikolai B. Zhitenev, Gregory Rutter
Bilayer graphene has drawn significant attention due to the opening of a band gap in its low energy electronic spectrum, which offers a route to electronic applications that is not practical with single layer graphene. The gap can be either tunable through

NIST Reference Material Scaffolds Characterized for Cell Response

April 24, 2011
Author(s)
Carl G. Simon Jr., Jeff M. Coles
Reference scaffolds characterized for cell response are being developed for use as a standard for biological characterization of new scaffolds. The need for reference scaffolds to serve as a calibration standard between labs has been identified as critical

Chirped-pulse terahertz spectroscopy for broadband trace gas sensing

April 22, 2011
Author(s)
Eyal Gerecht, Kevin O. Douglass, David F. Plusquellic
We report the first demonstration of a broadband trace gas sensor based on chirp-pulse terahertz spectroscopy. The advent of newly developed solid state sources and heterodyne detectors for the terahertz frequency range have made it possible to generate

Critical Observations for the Evaluation of Cement Hydration Models

April 22, 2011
Author(s)
Dale P. Bentz
The development of computer models for cement hydration and microstructure development that has accelerated in the past 25 years has created a need for a set of critical experimental observations that can be used in evaluating the model predictions. During

Protein Dynamics on the Nanosecond Time Scale: Dielectric and Simulation Studies

April 22, 2011
Author(s)
Sheila Khodadadi, Joseph E. Curtis, A. P. Sokolov
We studied dynamics of hydrated Rnase A and its hydration shell by combining MD simulations and Dielectric spectroscopy technique. The results show that there are not significant numbers of water molecules at the protein surface which are able to exchange

Quamtum coherence between two atoms beyond Q=10 15

April 22, 2011
Author(s)
Chin-Wen Chou, David Hume, Michael J. Thorpe, David J. Wineland, Till P. Rosenband
We place two atoms in quantum superposition states and observe coherent phase evolution for 3.4 × 10 15 cycles. Correlation signals from the two atoms yield information about their relative phase even after the probe radiation has decohered. This technique

Recommendations for Terminology and Databases for Biochemical Thermodynamics

April 22, 2011
Author(s)
R Alberty, A. Bowden-Cornish, Robert N. Goldberg, G.G Hammes, K. Tipton, H.V. Westerhoff
Although chemical equations are normally written in terms of specific ionic and elemental species and balance atoms of elements and electric charge, it is usually better in a biochemical context to write them with ionic reactants expressed as totals of

Carbon Capture in Metal-Organic Frameworks - A Comparative Study

April 21, 2011
Author(s)
Jason M. Simmons, Hui Wu, Wei Zhou, Taner Yildirim
Metal organic frameworks (MOFs) have been shown to be excellent materials for storage of carbon dioxide, implying that they could be useful for removal of carbon dioxide from flue gas stacks, however their performance in industrial relevant swing

Chiral Rashba Spin Textures in Ultra-Cold Fermi Gases

April 21, 2011
Author(s)
Ian B. Spielman, Jay Sau, Rajdeep Sensarma, Stephen Powell, Sankar Das Sarma
Spin-orbit coupling is an important ingredient in many recently discovered phenomena such as the spin-Hall effect and topological insulators. Of particular interest is topological superconductivity, with its potential application in topological quantum
Displaying 46301 - 46325 of 143793
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