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Displaying 15626 - 15650 of 73893

Certified DNA Reference Materials to Compare HER2 Gene Amplification Measurements Using Next- Generation Sequencing Methods

September 1, 2016
Author(s)
Chih-Jian Lih, Robin D. Harrington, Kneshay Harper, David J. Sims, Paul McGregor, Corinne Camalier, Han Si, Biswajit Das, P. M. Williams, Hua-Jun He, Jamie L. Almeida, Steven Lund, Steven J. Choquette, Kenneth D. Cole
The National Institute of Standards and Technology (NIST) Standard Reference Materials 2373 is a set of genomic DNA samples prepared from five breast cancer cell lines with certified values for the ratio of the HER2 gene copy number to the copy numbers of

Defense Mechanisms and Nutrient Displacement in Arabidopsis thaliana upon Exposure to CeO2 and In2O3 Nanoparticles

September 1, 2016
Author(s)
Bryant C. Nelson, Sanem Hosbas Coskun, Chuanxin Ma, Hong Li, Huiyuan Guo, Craig Musante, Jason C. White, Baoshan Xing, Om P. Dhankher
Metal-based nanoparticles (NPs) can cause toxicity to terrestrial plants, however there is little understanding of plant defense mechanisms that may counteract nanotoxicity. In the present study, we investigated the defense mechanisms of Arabidopsis

Forbidden Phonon: Dynamical Signature of Bond Symmetry Breaking in the Iron Chalcogenides

September 1, 2016
Author(s)
David M. Fobes, Igor A. Zaliznyak, John M. Tranquada, Zhijun Xu, Genda D. Gu, Xu-Gang He, Wei Ku, Yang Zhao, Masaaki Matsuda, V. Ovidiu Garlea, Barry Winn
Investigation of the inelastic neutron scattering spectra in Fe 1+yTe 1-xSe x near a signature wave vector Q = (1,0,0) for the bond-order wave (BOW) formation in parent compound Fe 1+yTe reveals an acoustic-phonon-like dispersion present in all structural

Guest Editors Introduction: Cybersecurity or Privacy

September 1, 2016
Author(s)
Irena V. Bojanova, Jeffrey M. Voas
Cybersecurity is a major concern. Governments’, industry, and even hospitals’ IT infrastructure is being penetrated with increasing frequency and sophistication. The growth of mobile and IoT devices and amateur software only add to that. But, privacy is

Lengthscale Effects on Exchange Coupling in Co-Pt Ll 0 +Ll 2 Nanochessboards

September 1, 2016
Author(s)
Eric P. Vetter, Liwei Geng, Priya Ghatwai, Dustin A. Gilbert, Yongmei Jin, William A. Soffa, Jerrold A. Floro
The Co-Pt nanochessboard is a quasi-periodic, nanocomposite tiling of Ll 0 and Ll 2 magnetic phases that offers a novel structure for the investigation of exchange coupling, relevant to permanent magnet applications. Periodicity of the tiling is controlled

Marie Curies Last Radium Standard Grand Challenge

September 1, 2016
Author(s)
Bert M. Coursey
The last of the radium-226 standards that Marie Curie personally handled is destined for a radioactive materials waste dump. Presented here is a history of the standards and a challenge to the scientific community to present a rationale for why this
Displaying 15626 - 15650 of 73893
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