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Displaying 43326 - 43350 of 143775

Fitting EXAFS data using molecular dynamics outputs and a histogram approach

February 29, 2012
Author(s)
Bruce D. Ravel, Stephen W. Price, Nicholas Zonias, Chris-Kriton Skylaris, Andrea Russell
It has been shown that for highly disordered systems, EXAFS underestimates coordination number and thus particle size when compared with the theoretical coordination number based on size determination from other experimental techniques1-4. Similarly, when

The 2009 Materials Science &Technology Conference & Exhibition (MS&T09)

February 29, 2012
Author(s)
Winnie Wong-Ng
The 2009 Materials Science and Technology Conference and Exhibition (MS&T09) took place at the David L. Lawrence Convention Center in Pittsburgh , Pennsylvania, from October 25-29. The Conference was the leading forum addressing structure, properties

VCI Simulation with Semiconductor Device Models: Test Report

February 29, 2012
Author(s)
John S. Villarrubia
JMONSEL, an electron beam imaging simulator, has been modified to permit conducting regions of a sample to be designated as unconnected to an external source or sink of charge (floating) or, alternatively, to be connected with a user-specified relaxation

Determination of Low-Level Sulfur Concentrations by Isotope Dilution Multi-Collector Inductively Couple Plasma Mass Spectrometry (D-MC-ICPMS) Using 33S Spike and Internal Normalization for Mass Bias Correction

February 28, 2012
Author(s)
Jacqueline L. Mann, Robert D. Vocke Jr., William R. Kelly
An isotope dilution (ID) multi-collector inductively coupled plasma mass spectrometry (MC-ICPMS) method combined with an internal normalization approach for mass bias correction has been used to determine low-level sulfur (S) concentrations in a

Halothane Changes the Domain Structure of a Binary Lipid Membrane

February 28, 2012
Author(s)
Michael Weinrich, Hirsh Nanda, David Worcester, Charles Majkrzak, Brian B. Maranville, Sergey M. Bezrukov
X-ray and neutron diffraction studies of model lipid raft membranes demonstrate that halothane at physiological concnetrations produces redistribution of lipids between domains of different lipid types identified by different lamellar-d-spacings and

March 2012 SRM Spotlight.

February 28, 2012
Author(s)
Regina R. Montgomery
The SRM Spotlight is a newsletter published by the Measurement Services Division for users of NIST standard reference materials. The Spotlight announces new reference materials and provides information about their use. In addition, this newsletter contains

Ultra-small-Angle X-ray Scattering - X-ray Photon-Correlation Spectroscopy Studies of Incipient Structural Changes in Amorphous Calcium Phosphate Based Dental Composites

February 28, 2012
Author(s)
Fan Zhang, Andrew J. Allen, Lyle E. Levine, Laura Espinal, Joseph M. Antonucci, Drago Skrtic, Justin N. O'Donnell, Jan Ilavsky
The local structural changes in amorphous calcium phosphate (ACP) based dental composites were studied upon heating using both static, bulk measurement techniques and recently developed ultra-small angle X-ray scattering - X-ray photon correlation
Displaying 43326 - 43350 of 143775
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