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Displaying 51 - 75 of 1934

Per- and Polyfluoroalkyl Substances in Textiles Present in Firefighter Gloves, Hoods, and Wildland Gear

December 13, 2024
Author(s)
Andre Thompson, Andrew Maizel, Meghanne Tighe, Samuel Escobar Veras, Alix Rodowa, Bruce Benner, Audrey Tombaugh, Jessica Reiner, Michelle Donnelly, Ryan Falkenstein-Smith, John Kucklick, Catherine Rimmer, Rick Davis
Firefighter turnout gear has been found to contain per- and polyfluoroalkyl substances (PFAS) and is a potential source of PFAS exposure to firefighters. However, previous evaluations of firefighter exposure to PFAS through personal protective gear has

temo: teqp-based model optimization

December 10, 2024
Author(s)
Ian Bell
The temo library is a set of building blocks that facilitate the automation of fitting models to experimental data for thermodynamic properties. The library is written in Python to enable broad re‐use and is based upon the suite of thermodynamic equations

Surface photooxidation of polypropylene-based photovoltaic backsheets: A comprehensive spectroscopic investigation

December 8, 2024
Author(s)
Karissa Jensen, Ashlee Aiello, Stefan Mitterhofer, Chiara Barretta, Gernot Oreski, Christopher Stafford, Xiaohong Gu
The prospect of cost reduction, enhanced performance, and improved sustainability has been driving innovation in the development of new backsheet materials for photovoltaic (PV) modules in recent years. Among the materials of interest, polypropylene (PP)

Atomistic Origins of Conductance Switching in an e-Cu0.9V2O5 Neuromorphic Single Crystal Oscillator

December 4, 2024
Author(s)
Cherno Jaye, Conan Weiland, Daniel Fischer, John Ponis, Nicholas Jerla, George Agbeworvi, Saul Perez-Beltran, Nitin Kumar, Kenna Ashen, Jialu Li, Edrick Wang, Michelle A. Smeaton, Fatme Jardali, Sarbajeet Chakraborty, Patrick J. Shamberger, Katherine L. Jungjohann, Lu Ma, Jinghua Guo, G Sambandamurthy, Xiaofeng Qian, Sarbajit Banerjee
: Building artificial neurons and synapses is key to achieving the promise of energy efficiency and acceleration envisioned for brain-inspired information processing. Emulating the spiking behavior of biological neurons in physical materials requires

Detecting Features of Antibody Structure Through Their Mediator-accessible Redox Activities

December 2, 2024
Author(s)
Dana Motabar, Eunkyoung Kim, Jinyang Li, Zhiling Zhao, Catherine Mouchahoir, David Travis Gallagher, John E. Schiel, Mamatha Garige, Carole Sourbier, Gregory F. Payne, William Bentley
Protein function relies on sequence, folding and post-translational modification and molecular measurements are commonly used to reveal these structural features. Here, we report an alternative approach that represents these molecular features as readily

TRC/NIST PUBLIC DATA DOMAIN

November 29, 2024
Author(s)
Vladimir Diky
A conference presentation describing the TRC/NIST public data domain.

Precipitation hardening of laser powder bed fusion Ti-6Al-4V

November 20, 2024
Author(s)
Nicholas Derimow, Jake Benzing, Jacob Garcia, Zachary Levin, Ping Lu, Newell Moser, Chad Beamer, Frank DelRio, Nikolas Hrabe
The laser powder bed fusion (PBF-L) additive manufacturing (AM) community has dedicated significant efforts into process optimization and control for defect-free Ti-6Al-4V. As defects become less of an issue for PBF-L Ti-6Al-4V, the processing-structure

Certification of Standard Reference Material(R) 1641f Mercury in Water

November 14, 2024
Author(s)
Colleen Bryan Sallee, Therese Butler, Jenna Klingsick, John Molloy, James Yen
Standard Reference Material (SRM) 1641f Mercury in Water is intended for the calibration of instruments and techniques used for the determination of mercury in natural waters. It is designed for the preparation of calibration solutions and for use as a

Feasibility of Metrological Traceability Implementation Using the Joint Committee on Traceability in Laboratory Medicine Database Entries Including the Fulfillment of "Fit-for-Purpose" Maximum Allowable Measurement Uncertainty

September 24, 2024
Author(s)
MAURO PANTEGHINI, Johanna Camara, VINCENT DELATOUR, Katleen Van Uytfanghe, Hubert Vesper, Tianjiao Zhang
Background: In previous publications, the Task Force on Reference Measurement System Implementation proposed a procedural approach combining a critical review of entries available in the Joint Committee on Traceability in Laboratory Medicine (JCTLM)

NMR Spectroscopy and Multiscale Modeling Shed Light on Ion-Solvent Interactions and Ion Pairing in Aqueous NaF Solutions

September 10, 2024
Author(s)
Gosia Musial, Demian Riccardi, Chris Suiter, Ethan Sontarp, Samantha Miller, Robert Lirette, Kyle Covington-Rehmeier, Avik Mahata, Chris Muzny, Angela Stelson, Kathleen Schwarz, Jason A. Widegren
The balance between ion solvation and ion pairing in aqueous solutions modulates chemical and physical processes from catalysis to protein folding. Yet, despite more than a century of investigation, quantitative determination of the distribution of ion

Measurement of Chloride in Concrete by Prompt Gamma Neutron Activation

September 1, 2024
Author(s)
Richard A. Livingston, Preethi Sridhar, Neal Berke, Amde M. Amde, Heather H. Chen-Mayer
Prompt Gamma Activation Analysis (PGAA) is an elemental analysis method based on radiative neutron capture that is isotope-specific and has a high sensitivity to chlorine (Cl). To evaluate the feasibility of replacing the conventional wet chemistry method

Bilirubin measurements in neonates: uniform neonatal treatment can only be achieved by improved standardization

July 26, 2024
Author(s)
Christian Hulzebos, Johanna Camara, Miranda van Berkel, VINCENT DELATOUR, Stanley Lo, Agnes Mailloux, Marcel Schmidt, Mercy Thomas, Lindsey Mackay, Ronda Greaves
Measurement of total serum bilirubin (TSB) concentration is the gold standard approach for diagnosing neonatal unconjugated hyperbilirubinemia. It is of utmost importance that the measured TSB concentration is sufficiently accurate to prevent

Cannabinoids detected in exhaled breath condensate after cannabis use

July 23, 2024
Author(s)
Jennifer Berry, Ashley Brooks-Russell, Cheryle Beuning, Sarah Limbacher, Tara Lovestead, Kavita Jeerage
Cannabinoids can be detected in breath after cannabis use, but different breath matrices need to be explored as studies to date with filter-based devices that collect breath aerosols have not demonstrated that breath-based measurements can reliably
Displaying 51 - 75 of 1934
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