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NIST Authors in Bold

Displaying 15276 - 15300 of 73697

Monte Carlo Simulation Algorithm for B-DNA

September 27, 2016
Author(s)
Steven C Howell, Xiangyun Qiu, Joseph E. Curtis
The growing interest in determining structures of macromolecules containing deoxyribonucleic acid (DNA) in solution and their structure-function relationship has encouraged experiments using methods such as solution small angle X-ray and neutron scattering

Theory and Experiment of Binary Diffusion Coefficient of n-Alkanes in Dilute Gases

September 27, 2016
Author(s)
Changran Liu, William S. McGivern, Jeffrey A. Manion, Hai Wang
Binary diffusion coefficients were measured for n-pentane, n-hexane and n-octane in helium and of n-pentane in nitrogen over the temperature range of (300 - 600) K, using reversed-flow gas chromatography. A generalized, analytical theory was proposed for

Ultrafast time-resolved hard x-ray emission spectroscopy on a table top

September 27, 2016
Author(s)
Luis Miaja Avila, Galen C. O'Neil, Young Il Joe, Bradley K. Alpert, Niels Damrauer, William B. Doriese, Steven Fatur, Joseph W. Fowler, Gene C. Hilton, Ralph Jimenez, Carl D. Reintsema, Daniel R. Schmidt, Kevin L. Silverman, Daniel S. Swetz, Hideyuki Tatsuno, Joel N. Ullom
Chemical reactions driven by light are fundamental to biology and a source of inspiration for engineering materials to perform tasks such as solar energy harvesting and data storage. Observing and understanding photodynamics requires experimental tools

CODATA Recommended Values of the Fundamental Physical Constants: 2014

September 26, 2016
Author(s)
Peter J. Mohr, David B. Newell, Barry N. Taylor
This paper gives the 2014 self-consistent set of values of the constants and conversion factors of physics and chemistry recommended by the Committee on Data for Science and Technology (CODATA). These values are based on a least-squares adjustment that

Demystifying the Internet of Things

September 26, 2016
Author(s)
Jeffrey M. Voas, Larry Feldman, Gregory A. Witte
This bulletin summarizes the information presented in NIST SP 800-183, Networks of 'Things'. This publication offers an underlying and foundational science to IoT based on the realization that IoT involves sensing, computing, communication, and actuation.

Elevated urinary levels of 8-hydroxy-2-deoxyguanosine, (5R)- and (5S)-8,5-cyclo-2- deoxyadenosines, and 8-iso-prostaglandin F2? as potential biomarkers of oxidative stress in patients with prediabetes

September 26, 2016
Author(s)
M Miral Dizdar, Melis Kant, Merve Akis, Mehmet Calan, Tugba Arkan, Firat Bayraktar, Huray Islekel
Prediabetes is the preclinical stage of type 2 diabetes mellitus with intermediate state of hyperglycemia. Hyperglycemia results in a state of oxidative stress and that reactive oxygen species contribute to the production of insulin resistance, β-cell

Exploring frustrated magnetism with artificial spin ice

September 26, 2016
Author(s)
Ian J. Gilbert, Bojan R. Ilic
Nanomagnet arrays known as artificial spin ice provide insight into the microscopic details of frustrated magnetism because, unlike natural frustrated magnets, the individual moments can be experimentally resolved and the lattice geometry can be easily

Heparin's Solution Structure Determined by Small-Angle Neutron Scattering

September 26, 2016
Author(s)
Kenneth A. Rubinson, Yin Chen, Brady F. Cress, Fuming Zhang, Robert J. Linhardt
Heparin is a linear, anionic polysaccharide that is widely used as a clinical anticoagulant. Despite its discovery 100 years ago in 1916, the solution structure of heparin remains unknown. The solution shape of heparin has not previously been examined in

Low noise resistive bolometer read out for wideband room temperature infrared detector

September 25, 2016
Author(s)
Ivan Ryger, Malcolm G. White, Nathan A. Tomlin, John H. Lehman, Peter Lobotka, Dave Harber
The absolute electrical substitution radiometer is the way to ensure highly accurate and stable measurement of optical power in wide range of optical wavelength. Its sensitivity is mainly determined by temperature stability of the equithermal bath and

Low noise thermistor read out for wideband room temperature infrared detectors

September 25, 2016
Author(s)
Ivan Ryger, Michelle S. Stephens, John H. Lehman, Matthew T. Spidell, Malcolm G. White, Nathan A. Tomlin, Dave Harber, Peter Lobotka
An absolute electrical substitution radiometer is a way to ensure highly accurate and stable measurement of optical power in a wide range of optical wavelengths. Its sensitivity is mainly determined by the temperature stability of the equithermal bath and

Influence of Scan Strategy and Process Parameters on Microstructure and Its Optimization in Additively Manufactured Nickel Alloy 625 via Laser Powder Bed Fusion

September 23, 2016
Author(s)
Yigit Arisoy, Luis Criales, Tugrul Ozel, Brandon Lane, Shawn P. Moylan, Alkan Donmez
Laser powder bed fusion (L-PBF) as an additive manufacturing process produces nearly fully dense nickel alloy 625 (IN625) parts with complex features. L-PBF generates surfaces and microstructure through directional solidification that can be controlled by

Magnetic Field Landscapes Guiding the Chemisorption of Diamagnetic Molecules

September 23, 2016
Author(s)
Cherno Jaye, Tobias Weidner, J. E. Baio, A. P. Hitchcock, Daniel Fischer
It is shown that the self-assembly of diamagnetic molecule sub-monolayers on a surface can be influenced by magnetic stray field landscapes emerging from artificially fabricated magnetic domains and domain walls. The directed local chemisorption of
Displaying 15276 - 15300 of 73697
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