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Quantitative Determination of Cell Viability Using Absorbance Microscopy

January 19, 2022

Author(s)

Greta Babakhanova, Stephen Zimmerman, Laura Pierce, Sumona Sarkar, Nicholas Schaub, Carl Simon Jr.

… four different microscopes demonstrate a mean deviation of 7.5% from the reported OD values. When assessing TB-stained … detected in live cells, while heat-shock killed cells had 20.4 fmol and 21.1 fmol of TB per cell when measured with two different microscopes (3.7% difference). Cells that were killed by formaldehyde …

Report on High Energy Arcing Fault Experiments - Experimental Results from Open Box Enclosures

December 29, 2021

Author(s)

Gabriel Taylor, Anthony D. Putorti Jr., Scott Bareham, Christopher U. Brown, Wai Cheong Tam, Edward Hnetkovsky, Andre Thompson, Michael Selepak, Philip Deardorff, Kenneth Hamburger, Nicholas Melly, Kenneth Miller, Kenneth Armijo, Paul Clem, Alvaro Cruz-Cabrera, Byron Demosthenous, Austin Glover, Chris LaFleur, Raymond Martinez, James Taylor, Rana Weaver, Caroline Winters

… 22, 2019 and September 18, 2019 on near-identical 51 cm (20 in) cubic metal boxes suspended from a Unistrut support …

Seabird Tissue Archival and Monitoring Project (STAMP) Data from 1999-2010

December 17, 2021

Author(s)

Nathan Mahynski, Jared Ragland, Stacy Schuur, Rebecca Pugh, Vincent K. Shen

… avian species throughout the North Pacific Ocean for over 20 years to create a geospatial and temporal record of …

Developing Ideal Metalorganic Hydrides for Hydrogen Storage: From Theoretical Prediction to Rational Fabrication

September 6, 2021

Author(s)

Zijun Jing, Qinqin Yuan, Yang Yu, Xiangtao Kong, Khai C. Tan, Jintao Wang, Qijun Pei, Xue-Bin Wang, Wei Zhou, Hui Wu, Anan Wu, Teng He, Ping Chen

… and screened more than 90 metalorganic hydrides, 20 of them were identified with both high hydrogen capacities … We picked up four of them, i.e., Li/Na indolides and 7-azaindolides for experimental validation. All the four … of lithium indolide (P2 1/c (no. 14)) and sodium 7-azaindolide (P-42 1c (no. 114) were successfully resolved. …

Assessment of Serum Total 25 Hydroxyvitamin D Assay Commutability of Standard Reference Materials and College of American Pathologists Accuracy Based Vitamin D (ABVD) Scheme and Vitamin D External Quality Assessment Scheme (DEQAS) Materials: Vitamin D Sta

July 1, 2021

Author(s)

Johanna Camara, Stephen A. Wise, Andrew Hoofnagle, Emma L. Williams, Graham D. Carter, Julia C. Jones, Carolyn Burdette, Grace Hahm, Federica Nalin, Adam J. Kuszak, Joyce M. Merkel, Ramon Durazo-Arvizu, Pierre Lukas, E. Cavalier, Christian Popp, Christian Beckert, Jan Schultess, Glen Van Slooten, Carole Tourneur, Camille Pease, Ravi Kaul, Alfredo Villarreal, Fiona Ivison, Ralf Fischer, Jody M. van den Ouweland, Chung S. Ho, Emmett W. Law, Jean-Nicolas Simard, Renaud Gonthier, Brett Holmquist, Marcelo C. Batista, Heather Pham, Alex Bennett, Sarah Meadows, Lorna Cox, Eugene Jansen, Dilshad A. Khan, Kimberly Robyak, Michael H. Creer, Mark Kilbane, Patrick J. Twomey, James Freeman, Neil Parker, Jinyun Yuan, Robert Fitzgerald, Sohail Mushtaq, Michael W. Clarke, Norma Breen, Christine Simpson, Christopher T. Sempos

… Results were received from 28 different laboratories using 20 ligand binding assays and 14 LC-MS/MS methods. Using the …

Why Polymer Glasses with Enhanced Sub-nanosecond Relaxation are Tougher

February 12, 2021

Author(s)

Christopher Soles, Adam B. Burns, Kanae N. Ito, Jack Douglas, Robert Dimeo, Madhu Sudan Tyagi, Jingsheng Wu, Albert F. Yee, Yueh-Ting Shih, Liping Huang

… of τ ≈ 5 ps, while slower relaxational processes with τ ≈ 20 ps become dominant above the BDT. We further establish …

Unraveling the compositional heterogeneity and carrier dynamics of alkali cation doped 3D/2D perovskites with improved stability

December 11, 2020

Author(s)

Ming Chun Tang, Siyuan Zhang, Nhan V. Nguyen, Edwin J. Heilweil, Christina A. Hacker, Timothy J. Magnanelli, Thomas D. Anthopoulos

… perovskite solar cells show a peak PCE of over 20%, which is slightly higher than their 3D counterpart …

Evolution of the Magnetic Properties in the Antiferromagnet Ce 2 RhIn 8 Simultaneously Doped with Cd and Ir

November 20, 2020

Author(s)

D. S. Christovam, G. S. Freitas, M. M. Piva, J. C. Souza, M. O. Malcolms, O. L. Canton, Juscelino Leao, William D. Ratcliff, Jeffrey W. Lynn, C. Adriano, P. G. Pagliuso

… Rh 0.5 Ir 0.5 In 8 (T N = 2.0 K) and Ce 2 Rh 0.5 Ir 0.5 In 7.79 Cd 0.21 (T N = 4.2 K), we have solved the magnetic …

Effect of Notch Geometry and Lack-of-Fusion on the Elastic-Plastic Fracture Toughness of Additively Manufactured Ti-6Al-4V parts

July 28, 2020

Author(s)

Enrico Lucon, Jake Benzing, Nik Hrabe

… and non-supported) and variations in scan lengths (20 - 90 mm). The specimens tested were also subjected to Hot …

Effect of Precrack Configuration and Texture Variation on the Elastic-Plastic Fracture Toughness of Additively Manufactured Ti-6Al-4V parts

July 28, 2020

Author(s)

Enrico Lucon, Jake Benzing, Nikolas Hrabe

… and non-supported) and variations in scan lengths (20 – 90 mm). The specimens tested were also subjected to Hot …

A crowdsourced set of curated structural variants for the human genome

June 19, 2020

Author(s)

Lesley M. Chapman, Noah Spies, Patrick Pai, Andrew Carroll, Marc L. Salit, Justin M. Zook

… and deletions sampled from different size bins between 20 and 892,149 bp. Expert curators were 93% …

New Insights into Female Humpback Whale (Megaptera novaeangliae) Reproductive Endocrinology Revealed by Steroid Hormone Profile Analysis

February 19, 2020

Author(s)

Greta Dalle Luche, Ashley Boggs, John Kucklick, Jasmin Gross, Darryl Hawker, Susan Bengston Nash

… September/October). High concentrations of progesterone (> 20.38 ng/g), which is recognised as an indicator of pregnancy … high concentrations (1.60 to 11.9 ng/g wet weight and 7.80 to 40.2 ng/g wet weight, respectively) in 35% of the …

Moisture Transfer in Commercial Buildings due to the Air Leakage: A New Feature in the Online Airtightness Savings Calculator

December 9, 2019

Author(s)

Som Shrestha, Andre Desjarlais, Laverne Dalgleish, Lisa Ng, Diana Hun, Steven Emmerich, Gina Accawi

… states that in 2010 infiltration was responsible for 20 % of primary energy consumption attributable to …

Laboratory Tests of a Prototype Carbon Dioxide Ground-Source Air Conditioner

October 7, 2019

Author(s)

Harrison M. Skye, Wei Wu

… (10 to 39) °C the CO2 system cooling COP ranged 2.3 to 7.3, whereas the R410A values ranged 3.3 to 6.0. The R410A system had higher efficiency at ELTs greater than 20 °C, so further effort is needed to increase the CO2 system …

Understanding the Impact of Drug Background Levels in Forensic Laboratories

August 13, 2019

Author(s)

Edward Sisco, Marcela N. Najarro, Amber Burns, Robert Kirkby

… and qualitatively measured over 700 background wipes from 20 laboratories throughout the country, which provided …

The Impact of Bromine- and Phosphorous-Based Flame Retardants on Flame Stability and Heat Feedback from Laminar Wall Flames

May 4, 2019

Author(s)

Isaac T. Leventon, Stanislav I. Stoliarov, Roland H. Kraemer

… sample mass loss rate were measured as a flame spread over 7 cm tall, 5 cm wide glass-reinforced PBT samples … manufactured with increasing amounts (8, 12, 16, and 20 wt %) of the phosphorous-based flame retardant, aluminum …

Direct Measurement of Hydrogen Diffusivity and Solubility Limits in Zircaloy 2 (Formula Unit of ZrH 0.0155 ) using Incoherent Quasi-Elastic Neutron Scattering

May 1, 2019

Author(s)

Brent J. Heuser, Timothy R Prisk, Jun-li Lin, Tanya J. Dax, Yongfeng Zhang

… Journal of Nuclear Materials 43 (1972) 330], but is 20% lower above 670 K. The two different activation barriors …

Rheological Characterization of Next-Generation Ballistic Witness Materials for Body Armor Testing

March 14, 2019

Author(s)

Ran Tao, Kirk D. Rice, Aaron M. Forster, Randy A. Mrozek, Shawn T. Cole, Reygan M. Freeney, Anicet Djakeu Samen

… experiments were performed at temperatures that range from 20 °C to 50 °C to map elastic and damping contributions in …

A status of temporal trends of persistent organic pollutants in Arctic biota

February 1, 2019

Author(s)

Frank Riget, Anders Bignert, Birgit Braune, Maria Dam, Rune Dietz, Marlene Evans, Norman Green, Helga Gunnlaugsdottir, Katrin S. Hoydal, John Kucklick, Robert Letcher, Derek Muir, Stacy Schuur, Christian Sonne, Stern Gary, Gregg Tomy, Katrin Vorkamp, Simon Wilson

… a 5% annual change with a statistical power of 80% at α  20 years monitoring before this requirement would be …

Dynamics of Hydride Ions in Metal Hydride-Reduced BaTiO 3 Samples Investigated with Quasielastic Neutron Scattering

January 31, 2019

Author(s)

Carin Eklof-Osterberg, Reji Nedumkandathil, Ulrich Haussermann, Aleksander Jaworski, Andrew J. Pell, Madhu Sudan Tyagi, Niina H. Jalarvo, Bernhard Frick, Antonio Faraone, Maths Karlsson

Perovskite-type oxyhydrides, BaTiO 3-xH^ x, have been recently shown to exhibit hydride ion (H -) conductivity at elevated temperatures, but the underlying mechanism of hydride ion conduction and how it depends on temperature and oxygen vacancy

Influence of Fire on the Seismic Shear Capacity of Cold-Formed Steel Shear Walls

June 25, 2018

Author(s)

Blanca Andres Valiente, Matthew Hoehler

… using cold-formed steel (CFS) stud represent roughly 20 % of the multi-story nonresidential building market in the …

Phototransferred thermoluminescence (PTTL) dosimetry using Gorilla(R) glass from mobile phones

November 30, 2017

Author(s)

Ronaldo Minniti, S Sholom, S W. Mckeever

… (PTTL versus initial applied dose) were linear up to ∼20 Gy. Values of minimum detectable dose (MDD) evaluated …

Behaviour of high-strength bolts at elevated temperatures under double-shear loading

September 13, 2017

Author(s)

Mina S. Seif, Jonathan M. Weigand, Rafaela Peixoto, Luiz Vieira

… (19 mm, 22 mm, 25 mm) at five different temperatures (20 ºC, 200 ºC, 400 ºC, 500 ºC, and 600 ºC). Three tests were …

Neutronics and Safety Studies on a Research Reactor Concept for Advanced Neutron Sources

July 17, 2017

Author(s)

Zeyun NMN Wu, Robert E. Williams, J. Michael Rowe, Thomas Henderson Newton, Sean O'Kelly

… trap in the reflector area. The reactor was designed with 20 MW thermal power and 30 days operating cycle. For …

Demonstration of efficient nonreciprocity in a microwave optomechanical circuit

July 6, 2017

Author(s)

Gabriel A. Peterson, Florent Q. Lecocq, Katarina Cicak, Raymond W. Simmonds, Jose A. Aumentado, John D. Teufel

… to achieve simultaneous reverse isolation of more than 20 dB and insertion loss less than 1.5 dB over a bandwidth of …

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