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Displaying 801 - 825 of 1584

Dynamics of Phospholipid Membranes Beyond Thermal Undulations

June 7, 2018
Author(s)
Sudipta Gupta, Judith U. De Mel, Rasangi M. Perera, Piotr Zolnierczuk, Markus Bleuel, Antonio Faraone, Gerald J. Schneider
We investigated the molecular dynamics of unilamellar lipsomes by neutron spin echo spectroscopy. We report the first experimental evidence of a short-range motion at the length-scale of the size of the head group of a lipid. The associated mean square

Highly Reversible Zinc Metal Anode for Aqueous Batteries

June 1, 2018
Author(s)
Fei Wang, Oleg Borodin, Tao Gao, Xiulin Fan, Wei Sun, Fudong Han, Antonio Faraone, Joseph Dura, Kang Xu, Chunsheng Wang
Metallic zinc (Zn) has been regarded as an ideal anode material for aqueous batteries, because of its high theoretical capacity (820 mAh/g), low electrochemical potential (-0.762 V vs. SHE), high abundance, low toxicity and intrinsic safety. There has been

An Experimental and Computational Study of CO 2 Adsorption in the Sodalite-Type M-BTT (M = Cr, Mn, Fe, Cu) Metal-Organic Frameworks Featuring Open Metal Sites

May 28, 2018
Author(s)
Mehrdad Asgari, Sudi Jawahery, Eric D. Bloch, Matthew R. Hudson, Roxana Flacau, Bess Vlaisavljevich, Jeffrey R. Long, Craig Brown, Wendy L. Queen
We present a comprehensive investigation of the CO 2 adsorption properties of the isostructural series of metal-organic frameworks M-BTT (M =Cr, Mn, Fe, Cu, BTT 3- = 1,3,5-benzenetristetrazolate), which exhibit a high density of open metal sites capable of

Adsorption of Polysorbate 20 and Proteins on Hydrophobic Polystyrene Surfaces Studied by Neutron Reflectometry

April 21, 2018
Author(s)
Zhenhuan NMN Zhang, Sara V. Orski, Ann Marie Woys, Guangcui Yuan, Isidro E. Zarraga, Norman J. Wagner, Yun Liu
Understanding adsorption of protein and surfactant to hydrophobic surfaces is key for storage stability and delivery of pharmaceutical liquid formulations, because many commonly-used devices, such as drug containers and syringes, have product-containing

Selection of Silicon Photomultipliers for a 6 LiF:ZnS(Ag) Scintillator Based Cold Neutron Detector

April 8, 2018
Author(s)
A. Osovizky, Kevin N. Pritchard, Y. Yehuda-Zada, Jeffrey B. Ziegler, Peter NMN Tsai, M. Ghelman, Alan Keith Thompson, R. M. Ibberson, George M. Baltic, Charles Majkrzak, Nicholas C. Maliszewskyj
We describe the process of selecting a silicon photomultiplier (SiPM) as the light sensor for an ultrathin (2 nm) highly efficient cold neutron proportional counter. The neutron detector consists of 6LiF:ZnS(Ag) scintillator in which wavelength shifting

6 LiF:ZnS(Ag) Mixture Optimization for a Miniature Highly Efficient Cold Neutron Detector

April 2, 2018
Author(s)
A. Osovizky, Kevin N. Pritchard, Jeffrey B. Ziegler, Louis E. Binkley, Y. Yehuda-Zada, Peter NMN Tsai, Alan Keith Thompson, P. Yvonne Barnes, Kerry Siebein, Nancy Hadad, M. Jackson, C. Hurlbut, R. Ibberson, George M. Baltic, Charles Majkrzak, Nicholas C. Maliszewskyj
We report the optimization of a ^6^LiF:ZnS(Ag) scintillator mixture for an ultrathin (2nm), highly efficient cold neutron dector. Preliminary results with early protypes demonstrate excellent for 3.62 meV (4.75 Angstrom wavelenght) neutrons but mediocre

Journal of Applied Crystallography: The First 50 Years and Beyond

April 1, 2018
Author(s)
Andrew J. Allen, Janos Hajdu, Garry J. McIntyre
The first issue of the Journal of Applied Crystallography appeared in April 1968. So, with this issue we celebrate its 50th birthday! We should start by expressing our appreciation for all the readers, authors, reviewers, editors and technical staff who

Simultaneous Neutron and X-Ray Imaging of 3D Structure of Organic Matter and Fracture in Shales

April 1, 2018
Author(s)
Wei-Shan NMN Chiang, Jacob M LaManna, Daniel S. Hussey, David L. Jacobson, Yun Liu, Jilin Zhang, Daniel T. Georgi, Jordan R. Kone, Jin-hong Chen
Hydrocarbon production from shales using horizontal drilling and hydraulic fracturing has been the key development in the US energy industry in the past decade and has now become more important globally. Nevertheless, many fundamental problems related to
Displaying 801 - 825 of 1584
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