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Displaying 1676 - 1700 of 2289

Cone Calorimeter for Controlled-Atmosphere Studies.

February 1, 1992
Author(s)
W H. Twilley, V Babrauskas, M L. Janssens, S Yusa
Many fires occur in ambient atmospheric conditions. To investigate certain types of firew, however, it is necessary to consider combustion where the oxidizer is not 21% oxygen/79% nitrogen. The Cone Calorimeter (ASTM E 1354, ISO DIS 5660) has recently

Functional Analyses of Single Nucleotide Polymorphic Variants of the DNA Glycosylase NEIL1 Present in sub-Saharan African Populations

July 20, 2023
Author(s)
Jamie Zuckerman, Irina Minko, Melis Kant, Pawel Jaruga, Miral M. Dizdar, Amanda McCullough, R. Stephen Lloyd
Nei-like glycosylase 1 (NEIL1) is a DNA repair enzyme that initiates the base excision repair (BER) pathway to cleanse the human genome of damage. Its substrate specificity includes several common base modifications formed under oxidative stress conditions

The DNA Damaging Potential of Photoactivated P25 Titanium Dioxide Nanoparticles

September 30, 2014
Author(s)
Elijah Petersen, Vytas Reipa, Stephanie S. Watson, Deborah Jacobs, Savelas A. Rabb, Bryant C. Nelson
Titanium dioxide nanoparticles (TiO2 NPs) are found in numerous commercial and personal care products. Thus, it is necessary to understand and characterize their potential environmental health and safety risks. It is well known that photoactivated TiO2 NPs

Temperature-Controlled MEMS Chemical Microsensors

March 13, 2003
Author(s)
Stephen Semancik, Richard E. Cavicchi, Douglas C. Meier, C J. Taylor, N O. Savage, M C. Wheeler
This paper describes MEMS microheater structures that have been employed in the development of chemical (gas) microsensors and other microanalytical components, such as preconcentrators and filters/separators. The role of microscale temperature control is

Radiolytic Dechlorination of Polychlorinated Biphenyls in Transformer Oil and in Marine Sediment

November 1, 2002
Author(s)
M Chaychian, C A. Jones, Dianne L. Poster, Joseph Silverman, Pedatsur Neta, Robert E. Huie, M I. Al-Sheikhly
Radiolytic dechlorination of PCBs in transformer oil and in marine sediments has been studied. At low PCB concentrations, complete degradation of the PCBs in transformer oil was achieved without degradation of the oil. Addition of an organic base

In Situ Raman Spectroscopic Investigation of Stainless Steel Hydrothermal Corrosion

September 1, 2002
Author(s)
James E. Maslar, Wilbur S. Hurst, Walter J. Bowers Jr., Jay H. Hendricks
In situ Raman spectroscopy was employed to investigate corrosion of 304L stainless steel in air-saturated water at a pressure of 25.2 Mpa and temperatures up to 496 C in an optically accessible flow cell. The steel also was characterized ex situ with Raman

High-Temperature Carbon Dioxide Capture in a Porous Material with Terminal Zinc Hydride Sites

November 15, 2024
Author(s)
Rachel Rohde, Kurtis Carsch, Matthew Dods, Henry Jiang, Alexandra McIsaac, Ryan Klein, Hyunchul Kwon, Sarah Karstens, Yang Wang, Adrian Huang, Jordan Taylor, Yuto Yabuuchi, Nikolay Tkachenko, Katie Meihaus, Hiroyasu Furukawa, Danielle Yahne, Kaitlyn Engler, Karen Bustillo, Andrew Minor, Jeffrey Reimer, Martin Head-Gordon, Craig Brown, Jeffrey Long
… exhaust streams (> 200°C) is of interest, although metal oxide absorbents that operate at these temperatures typically …

Electrical Switching the Perpendicular Neel Order in a Collinear Antiferromagnet

November 1, 2024
Author(s)
Wenqing He, Tianyi Zhang, Yongjian Zhou, Caihua Wan, Hao Wu, Baoshan Cui, Jihao Xia, Ran Zhang, Tengyu Guo, Peng Chen, Mingkun Zhao, Leina Jiang, Alexander Grutter, Purnima P. Balakrishnan, Andrew Caruana, Christy Kinane, Sean Langridge, Guoqiang Yu, Cheng Song, Xiufeng Han
… collinear antiferromagnetic insulator—chromium oxide (Cr2O3)—can be switched by the spin–orbit torque with a …

Single-Phase L10-Ordered High Entropy Thin Films with High Magnetic Anisotropy

June 28, 2024
Author(s)
Willie Beeson, Dinesh Bista, Huairuo Zhang, Sergiy Krylyuk, Albert Davydov, Gen Yin, Kai Liu
The vast high entropy alloy (HEA) composition space is promising for discovery of new material phases with unique properties. We explore the potential to achieve high magnetic anisotropy materials in single-phase HEA thin films. Thin films of FeCoNiMnCu

Borophene: Synthesis, Chemistry, and Electronic Properties

June 20, 2024
Author(s)
Kai Wang, Shilpa Choyal, Jeremy Schultz, James McKenzie, Linfei Li, Xiaolong Liu, Nan Jiang
As a neighbor of carbon in the periodic table, boron exhibits versatile structural and electronic configurations, with its allotropes predicted to possess intriguing structures and properties. Since the experimental realization of two-dimensional (2D)

Iron-sulfur clusters are involved in post-translational arginylation

January 28, 2023
Author(s)
Verna Van, Janae Brown, Corin R. O'Shea, Hannah Rosenbach, Ijaz Mohamed, Nna-Emeka Ejimogu, Toan Bui, Veronika Szalai, Kelly Chacon, Ingrid Span, Aaron T. Smith
Eukaryotic arginylation is an essential post-translational modification that both modulates protein stability and regulates protein half-life through the N-degron pathway. Arginylation is catalyzed by a family of enzymes known as the arginyl-tRNA

Transport Properties of Few-Layer NbSe2: from Electronic Structure to Thermoelectric Properties

July 20, 2022
Author(s)
Tianhui Zhu, Peter Litwin, Md Golam Rosul, Devin Jessup, Md Sabbir Akhanda, Farjana Tonni, Sergiy Krylyuk, Albert Davydov, Petra Reinke, Stephen McDonnell, Mona Zebarjadi
4-layer NbSe2 is grown on SiO2 by molecular beam epitaxy. The in-situ X-ray photoelectron spectroscopy (XPS) measurements suggest a Nb-rich stoichiometry (Nb1+xSe2) likely due to intercalation of Nb atoms in between the NbSe2 layers. The metallic nature of
Displaying 1676 - 1700 of 2289
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