Journals

Metastable Antiphase Boundary Ordering in CaFe₂O₄

September 2, 2021

Author(s)

H. Lane, E. Rodriguez, H. C. Walker, Ch. Niedermayer, U. Stuhr, R. I. Bewley, D. J. Voneshen, M. A. Green, Jose Rodriguez Rivera, P. Fouquet, S.-W. Cheong, J. P. Attfield, R. A. Ewings, C. Stock

Modeling and Experiments for a CO2 Ground Source Heat Pump with Subcritical and Transcritical Operation

September 1, 2021

Author(s)

Wei Wu, Harrison Skye, John Dyreby

Ground-source heat pumps have high energy efficiency and CO2 is an environmentally-friendly refrigerant with no ozone depletion potential (ODP) and a low global...

Searching for Answers in a Pandemic: An Overview of TREC-COVID

September 1, 2021

Author(s)

Ellen Voorhees, Ian Soboroff, Kirk Roberts, Tasmeer Alam, Steven Bedrick, Dina Demner-Fushman, Kyle Lo, Lucy L. Wang, William Hersh

We present an overview of the TREC-COVID Challenge, an information retrieval (IR) shared task to evaluate search on scientific literature related to COVID-19...

Neural Networks Based Domain Name Generation

September 1, 2021

Author(s)

Zheng Wang, Yang Guo

Domain generation algorithm (DGA) is commonly used to dynamically produce a large number of random domain names and select a small subset for actual use. DGA...

Magnetic proximity effect in magnetic-insulator/heavy-metal heterostructures across the compensation temperature

September 1, 2021

Author(s)

Jackson Bauer, Patrick Quarterman, Alexander Grutter, Bharat Khurana, Subhajit Kundu, K. Mkhoyan, Julie A. Borchers, Caroline Ross

The magnetic proximity effect in Pt and W thin films grown on Dy3Fe5O12 (DyIG) is examined at temperatures above and below the magnetic compensation temperature...

Nanopore sensing: a physical-chemical approach

September 1, 2021

Author(s)

Joseph W. Robertson, Madhav Ghimire, Joseph Reiner

Protein nanopores have emerged as an important class of sensor, for the understanding of biophysical processes, such as molecular transport across membranes...

Abrikosov vortex corrections to effective magnetic field enhancement in epitaxial graphene

September 1, 2021

Author(s)

Luke St. Marie, Chieh-I Liu, I Fan Hu, Heather Hill, Dipanjan Saha, Randolph Elmquist, Chi-Te Liang, David B. Newell, Paola Barbara, Joseph Hagmann, Albert Rigosi

Intermediate Sr₂Co_1.5Fe_0.5Od6-δ^ Tetragonal Structure between Perovskite and Brownmillerite as a Model Catalyst with Layered Oxygen Deficiency for Enhanced Electrochemical Water Oxidation

September 1, 2021

Author(s)

Sivasankara Ede, Candyce Collins, Carlos Posada, Gibin George, Hui Wu, William D. Ratcliff, Yulin Lin, Jianguo Wen, Shubo Han, Zhiping Luo

SHARING STANDARDIZED COMPOSITE MATERIAL DESIGN AND MANUFACTURING INFORMATION

September 1, 2021

Author(s)

Allison Barnard Feeney, Keith A. Hunten

Composite structures have been developed for use in aerospace, automotive, sports and marine industries since the early 1940s. Compared to conventional metallic...

Efficient ab initio Estimation of Formation Enthalpies for Organic Compounds: Extension to Sulfur and Critical Evaluation of Experimental Data

September 1, 2021

Author(s)

Eugene Paulechka, Andrei F. Kazakov

The efficient protocol for estimation of gas-phase enthalpies of formation developed previously for C, H, O, N, and F elements was extended to sulfur. The...

The YcnI protein from Bacillus subtilis contains a copper-binding domain

September 1, 2021

Author(s)

Madhura Damle, Stephen Peters, Veronika Szalai, Oriana Fisher

Bacteria require a precise balance of copper ions to ensure that essential cuproproteins are fully metalated while also avoiding copper-induced toxicity. The...

An open-access future for Journal of Synchrotron Radiation – an Editorial from the Main Editors and IUCr Journals Editor-in-Chief

September 1, 2021

Author(s)

Kristina Kvashnina, Yoshiyuki Amemiya, Dibyendu Bhattacharyya, Ingolf Lindau, Andrew J. Allen

This is an Editorial for the Journal of Synchrotron Radiation (JSR) to inform all readers, authors and supporters about the coming transition of the journal to...

Basic Recommendations For HVAC Cybersecurity

September 1, 2021

Author(s)

Michael Galler

Cybersecurity has been a topic of increasing importance for several years. While fully securing a large system can be very complicated, there are some basic...

Exploring Lipid-Dependent Conformations of Membrane-Bound α-Synuclein with the VDAC Nanopore

September 1, 2021

Author(s)

David Hoogerheide, Tatiana Rostovtseva, Sergey M. Bezrukov

Regulation of VDAC by α-Synuclein (αSyn) is a rich and instructive example of protein-protein interactions catalyzed by a lipid membrane surface. αSyn, a...

Towards Understanding Ignition Vulnerabilities to Firebrand Showers using Reduced-scale Experiments

August 31, 2021

Author(s)

Samuel Manzello, Sayaka Suzuki

Over the past few years, the large outdoor fire problem has been a growing concern throughout the world. It is recommended to clear the combustibles around...

Assessing Industrial Robot agility through international competitions

August 31, 2021

Author(s)

Anthony Downs, Zeid Kootbally, William Harrison, Pavlo Piliptchak, Brian Antonishek, Murat Aksu, Craig I. Schlenoff

Manufacturing and Industrial Robotics have reached a point where in order to be more useful to small and medium sized manufacturers, the systems must become...

Origin of enhanced water oxidation activity in an iridium single atom anchored on NiFe oxyhydroxide catalyst

August 31, 2021

Author(s)

Xueli Zheng, Jing Tang, Allesandro Gallo, Jose A. Garrido Torres, Xiaoyun Yu, Peter Ercius, Haiyan Mao, Emily Been, Constantine J. Athanitis, Sirine C. Fakra, Chengyu Song, Ryan Davis, Jeffrey A. Reimer, John Vinson, Michal Bajdich, Yi Cui

The efficiency of the synthesis of renewable fuels and feedstocks from electrical sources is limited, at present, by the sluggish water oxidation reaction...

Interlaboratory comparison of solar cell measurements under low indoor lighting conditions

August 31, 2021

Author(s)

Behrang Hamadani, Yean-San Long, Min-An Tsai, Teng-Chun Wu

Side Chain Engineering Control of Mixed Conduction in Oligoethylene Glycol-Substituted Polythiophenes

August 31, 2021

Author(s)

Jonathan Onorato, Zhongyang Wang, Yangyang Sun, Christian Nowak, Ban Dong, Lucas Flagg, Ruipeng Li, Lee J. Richter, Fernando Escobedo, Paul Nealey, Shrayesh Patel, Christine Luscombe

A major limitation for polymeric mixed ionic/electronic conductors (MIECs) is the trade-off between ionic and electronic conductivity; changes made that improve...

Rotationally resolved electronic S1 spectra of tryptoline and oxindole: Reversal of the 1La and 1Lb state character

August 30, 2021

Author(s)

Josue Minguela-Gallardo, John Yi, David Plusquellic, Leonardo Álvarez-Valtierra

Rotationally resolved S1←S0 fluorescence excitation spectra of the lowest electronic transitions (origin bands) of tryptoline (TRY) and oxindole (OXI) have been...

Laser-based comparison calibration of laboratory standard microphones

August 30, 2021

Author(s)

Randall P. Wagner, Richard A. Allen, Qian Dong

A precision laser-based comparison calibration method for laboratory standard microphones is described that uses reference microphones calibrated by the...

Development and Evaluation of a Synthetic Opioid Targeted Gas Chromatography Mass Spectrometry (GC-MS) Method

August 30, 2021

Author(s)

Edward Sisco, Amber Burns, Arun Moorthy

A method for the targeted confirmation of synthetic opioids and related compounds was developed and evaluated. Using an 11-component test solution a method was...

Ultra-sensitive multi-species spectroscopic breath analysis for real-time health monitoring and diagnostics

August 30, 2021

Author(s)

Qizhong Liang, Ya-Chu Chan, P. Bryan Changala, David Nesbitt, Jun Ye, Jutta Toscano

Challenges in ensuring the generalizability of image quantitation methods for MRI

August 28, 2021

Author(s)

Katy Keenan, Jana Delfino, Kalina Jordanova, Megan Poorman, Prathyush Chirra, Akshay Chaudari, Bettina Baessler, Jessica Winfield, Satish Viswanath, Nandita deSouza

Interlaboratory Comparison of 25-Hydroxyvitamin D Assays: Vitamin D Standardization Program (VDSP) Intercomparison Study 2 – Part 1 Liquid Chromatography – Tandem Mass Spectrometry (LC-MS/MS) Assays – Impact of 3-epi-25-Hydroxyvitamin D3

August 27, 2021

Author(s)

Stephen Wise, Johanna Camara, Carolyn Burdette, Grace Hahm, Federica Nalin, Adam Kuszak, Joyce Merkel, Ramon Durazo-Arvizu, Emma Walker, Andrew Hoofnagle, Fiona Ivison, Ralf Fischer, Jody van den Ouweland, Chung Ho, Emmet Law, Jean-Nicolas Simard, Renaud Gonthier, Brett Holmquist, Sarah Meadows, Lorna Cox, Kimberly Robyak, Michael Creer, Robert Fitzgerald, Michael Clarke, Norma Breen, Pierre Lukas, Etienne Cavalier, Christopher Sempos

An interlaboratory comparison study was conducted by the Vitamin D Standardization Program (VDSP) to assess the performance of liquid chromatography – tandem...

Interlaboratory Comparison of 25-Hydroxyvitamin D Assays: Vitamin D Standardization Program (VDSP) Intercomparison Study 2 – Part 2 Immunoassays – Impact of 25 Hydroxyvitamin D2 and 24R,25-Dihydroxyvitamin D3 on Assay Performance

August 27, 2021

Author(s)

Stephen Wise, Johanna Camara, Carolyn Burdette, Grace Hahm, Federica Nalin, Adam Kuszak, Joyce Merkel, Ramon Durazo-Arvizu, Emma Williams, Christian Popp, Christian Beckert, Jan Schultess, Glen Van Slooten, Carole Tourneur, Camille Pease, Kavi Kaul, Alfredo Villarreal, Marcelo Batista, Heather Pham, Alex Bennett, Eugene Jansen, Dilshad Khan, Mark Kilbane, Patrick Twomey, James Freeman, Neil Parker, Sohail Mushtaq, Christine Simpson, Pierre Lukas, Etienne Cavalier, Christopher Sempos

An interlaboratory comparison study was conducted by the Vitamin D Standardization Program (VDSP) to assess the performance of immunoassays (Part 2) for the...

Tuning Net Charge in Aliphatic Polycarbonates Alters Solubility and Protein Complexation Behavior

August 26, 2021

Author(s)

Nicholas Posey, Julia Danischewski, Michael Lueckheide, Yuanchi Ma, Jeffrey Fagan, Vivek Prabhu

A synthetic strategy yielded polyelectrolytes and polyampholytes with tunable net charge for complexation and protein binding. Organocatalytic ring-opening...

Quasi-static and dynamic investigation of an advanced high strength and corrosion resistant 10 % Cr nanocomposite martensitic steel

August 26, 2021

Author(s)

Saadi Habib, Christopher Meredith, Akhtar Khan

The mechanical response of an advanced high strength and corrosion resistant 10 % Cr nanocomposite steel (ASTM A1035CS Grade 120) is measured under uniaxial...

X-ray spectroscopic and first principles investigation of lead tungstate under pressure

August 26, 2021

Author(s)

Eric L. Shirley, Eric J. Cockayne, Joseph Woicik, James M. Ablett

High-energy-resolution fluorescence-detected (HERFD) near-edge x-ray absorption fine structure measurements performed at the Pb and W L3 absorption edges has...

Entropy Scaling of Thermal Conductivity: Application to Refrigerants and their Mixtures

August 26, 2021

Author(s)

Ian Bell, Xiaoxian Yang, Dongchan Kim, Eric May

Residual entropy scaling (RES) of thermal conductivity was applied to pure refrigerants, including natural and halogenated refrigerants, and their mixtures. The...