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Search Publications

NIST Authors in Bold

Displaying 401 - 425 of 1646

Quantifying Long-Time Hydrogen-Deuterium Exchange of Bovine Serum Albumin with Hydrogen-Deuterium Exchange Small-Angle Neutron Scattering

January 9, 2025
Author(s)
Roisin Donnelly, Norman J. Wagner, Yun Liu
… Hydrogen−deuterium exchange (HDX) measured by small-angle … fluctuations and that for exchanging an amide hydrogen. Adding a tonicity agent of 150 mM NaCl has only a … Quantifying Long-Time Hydrogen-Deuterium Exchange of Bovine Serum Albumin with Hydrogen-Deuterium Exchange Small-Angle Neutron Scattering …

Modelling Study of Interactions of Ozone and Hydrogen Peroxide on Indoor Surfaces

March 15, 2023
Author(s)
Dustin Poppendieck, Toby J. Carter, David Shaw, Nicola Carslaw
… model, INCHEM-Py, to quantify the impact that ozone and hydrogen peroxide deposition onto internal surfaces has on … radical concentrations are 40% lower than following hydrogen peroxide deposition onto the same surfaces. Total … ppbv following ozone deposition, but were negligible for hydrogen peroxide deposition. Surface deposition, …

Treasure of the Past: II. The Atomic Weight of Bromine

July 1, 2000
Author(s)
Alan Weber
… For chlorine a number of determinations of the ratio of hydrogen to chlorine in hydro-choleric acid have been made, … been made. Since the determination of the ratio chlorine: hydrogen was carried out with reasonable ease, it seemed … applied for the purpose of determining the ratio between hydrogen and bromine. The method, which was employed by Noyes …

M 2 (m-dobdc) (M=Mg,Mn, Fe, Co, Ni) Metal-Organic Frameworks Exhibiting Increased Charge Density and Enhanced H 2 Binding at the Open Metal Sites

August 14, 2014
Author(s)
Matthew T. Kapelewski, Stephen J. Geier, Matthew Ross Hudson, David Stuck, Jarad A. Mason, Jocienne N. Nelson, Zeric Z. Hulvey, Elizabeth Gilmour, Stephen A. FitzGerald, Martin Head-Gordon, Craig Brown, Jeffrey R. Long
… materials that are being heavily investigated for their hydrogen storage properties due to their high internal … strong interactions with adsorbed gases. Increasing they hydrogen binding enthalpy of such materials is necessary for them to be viable candidates for use as hydrogen storage media in most applications. A structural …

Investigation of N 2 Plasma Effects on the Depth Profile of Hydrogen Silsesquioxane Thin Films Using High Resolution Specular X-Ray Reflectivity

October 16, 2008
Author(s)
Hae-Jeong Lee, Eric K. Lin, J K. Lan, Y L. Cheng, H C. Liou, Wen-Li Wu, Y L. Wang, M S. Feng, C G. Chao
… N2 plasma effects on the density depth profile of hydrogen silsesquioxane (HSQ) thin films. The SXR data … density profile, exposure time, hydrogen silsesquioxane, low-k dielectric, plasma effect, … Investigation of N 2 Plasma Effects on the Depth Profile of Hydrogen Silsesquioxane Thin Films Using High Resolution …

High Energy X-Ray Diffraction and Small-Angle Scattering Measurements of Hydrogen Fatigue Damage in AISI 4130 Steel

June 4, 2022
Author(s)
Matthew Connolly, May Ling Martin, Peter Bradley, Damian Lauria, Andrew Slifka, Jun-Sang Park, Robert Amaro, Jonathan Almer
… are critical for repurposing existing pipelines for hydrogen transmission as well as for developing novel steels … which are minimally susceptible to lifetime degradation by hydrogen. Ultimately, lifetime prediction models assess the … when materials are in inert environments compared to in hydrogen environments. For example, in the three leading …

Hydrogen-Deuterium Exchange Mass Spectrometry (HDX-MS) Centroid Data Measured between 3.6 degC and 25.4 degC for the Fab Fragment of NISTmAb

May 2, 2019
Author(s)
Jeffrey W. Hudgens, Elyssia S. Gallagher, Ioannis L. Karageorgos, Kyle W. Anderson, Richard Y. Huang, Guodong Chen, George M. Bou-Assaf, Alfonso Espada, Michael J. Chalmers, Edu Harguindey, Hui-Min Zhang, Benjamin T. Walters, Jennifer Zhang, John Venable, Caitlin Steckler, In Hee Park, Ansgar Brock, Xiaojun Lu, Ratnesh Pandey, Arun Chandramohan, Ganesh Srinivasan Anand, Sasidhar N. Nirudodhi, Justin Sperry, Jason C. Rouse, James A. Carroll, Kasper D. Rand, Ulrike Leurs, David D. Weis, Mohammed A. Al-Naqshabandi, Daniel Deredge, Patrick Wintrode, Malvina Papanastasiou, John D. Lambris, Sheng Li, Sarah Urata
… 5K8A) reference material, as measured by the bottom-up hydrogen-deuterium exchange mass spectrometry (HDX-MS) … centroid, hydrogen-deuterium exchange, interlaboratory comparison, mass … Hydrogen-Deuterium Exchange Mass Spectrometry (HDX-MS) …

Low-Temperature Kinetics of the Reaction of the OH Radical With Hydrogen Peroxide

October 12, 2021
Author(s)
A B. Vakhtin, D C. McCabe, A R. Ravishankara, S R. Leone
… The kinetics of the reaction of the OH radical with hydrogen peroxide. H 2 O 2 are studied over a temperature … supersonic expansion of nitrogen with admixed H 2 O 2 . Hydrogen peroxide serves as both the OH radical photolytic … high temperatures) to a mechanism involving formation of a hydrogen-bonded complex (at low temperatures). Atmospheric …

Air-Stable Cu(I) Metal-Organic Framework for Hydrogen Storage

September 1, 2023
Author(s)
Debabrata Sengupta, Patrick Melix, Saptasree Bose, Joshua Duncan, Xingjie Wang, Mohammad Mian, Kent Kirlikovali, Faramarz Joodaki, Timur Islamoglu, Taner N. Yildirim, Randall Snurr, Omar Farha
… contain open metal sites have the potential for storing hydrogen (H2) at ambient temperatures. In particular, … demonstrate very high isosteric heats of adsorption for hydrogen relative to other reported MOFs with open metal … isosteric heats of adsorption (32 kJ/mol) with good hydrogen storage capability under ambient conditions (10.4 …

Modification to a testing assembly to enable strain-life measurements in pressurized hydrogen gas

August 25, 2023
Author(s)
Peter Bradley, May Ling Martin, Matthew Connolly, Robert Amaro, Damian Lauria, Andrew Slifka
… material lifetime and damage response. Strain-life data in hydrogen gas environments is missing in the literature and could provide valuable insights into hydrogen effects on the mechanical response of metals such as steels. We adapted existing hydrogen-gas-environment mechanical-testing equipment, which …

Reduction of Hydrogen Cyanide Concentrations and Acute Inhalation Toxicity From Flexible Polyurethane Foam Combustion Products by the Addition of Copper Compounds. Part 4. Effects of Combustion Conditions and Scaling on the Generation of Hydrogen cyanide

December 1, 1992
Author(s)
Barbara C. Levin, E Braun, M Paabo, Richard H. Harris Jr., Magdalena Navarro
… of cuprous oxide (Cu2O) in reducing the concentrations of hydrogen cyanide (HCN) from flexible polyurethane foams (FPU) … hydrogen cyanide, acute toxicity, combustion products, … Reduction of Hydrogen Cyanide Concentrations and Acute Inhalation Toxicity … of Combustion Conditions and Scaling on the Generation of Hydrogen cyanide …

Neutron Polarization Analysis for Biphasic Solvent Extraction Systems

June 16, 2016
Author(s)
Ryuhei Motokawa, Hitoshi Endo, Michihiro Nagao, William T. Heller
… complexes, comprised of Zr(NO 3 ( 4 and tri-n-butyl phosphate (TBP), to decompose the intensity distribution of … polarization analysis, Solvent extraction, Tri-n-butyl phosphate …

Exploring the Chemical Space of Metal-Organic Frameworks with rht Topology for High Capacity Hydrogen Storage

May 9, 2024
Author(s)
Kunhuan Liu, Zhijie Chen, Timur Islamoglu, Seung-Joon Lee, Haoyuan Chen, Taner N. Yildirim, Omar Farha, Randall Snurr
… Hydrogen is considered a crucial clean energy vector to … but due to the low volumetric energy density of gaseous hydrogen, it is difficult to store hydrogen for many practical applications. Cryogenic … Frameworks with rht Topology for High Capacity Hydrogen Storage …

Postsynthetic Metalation of Robust Hydrogen-Bonded Organic Framework for Heterogeneous Catalysis

June 21, 2019
Author(s)
Bin Han, Hailong Wang, Chiming Wang, Hui Wu, Wei Zhou, Banglin Chen, Jianzhuang Jiang
… Hydrogen-bonded organic framework (HOF)-based catalysts still … bis(tetraoxacalix[2]arene[2]triazine), depending on the hydrogen bonding with the help of π-π interactions. The … heterogeneous catalyst with porous hydrogen-bonded structure retained, which exhibits excellent …

Determining Steel Weld Qualification and Performance for Hydrogen Pipelines

March 17, 2023
Author(s)
Matthew Connolly, Andrew Slifka, Damian Lauria, Peter Bradley, May Ling Martin, Zack Buck, Newell Moser, Robert Amaro, Chris Looney
… Determining Steel Weld Qualification and Performance for Hydrogen Pipelines … Determining Steel Weld Qualification and Performance for Hydrogen Pipelines …

Isotopic and Other Influences of the Realization of the Triple Point of Hydrogen

August 1, 2005
Author(s)
B Fellmuth, L Wolber, Y Hermier, F Pavese, PPM Steur, I Peroni, A Szmyrka-Grzebyk, L Lipinski, Weston L. Tew, H Nakano, H Sakurai, O Tamura, D I. Head, K D. Hill, A G. Steele
… dependence of the triple-point tmeperature of equilibrium, hydrogen on the deuterium content at low concentrations has … To investigate the thermodynamic properties of the hydrogen-deuterium mixtures and to elucidate the factors that … some of these have been compared with an open-cell system. Hydrogen has with a deuterium content ranging from 27.2 mu …

X-Ray Reflectivity and FTIR Measurements of N2 Plasma Effects on the Density Profile of Hydrogen Silsesquioxane Thin Films

October 1, 2001
Author(s)
V. J. Lee, C G. Chao, Eric K. Lin, Wen-Li Wu, B M. Fanconi, J K. Lan, Y L. Cheng, H C. Liou, Y L. Wang, M S. Feng
… N2 plasma effects on the density depth profile of hydrogen silsesquioxane (HSQ) thin films. The SXR data … density profile, exposure time, FTIR, hydrogen silsesquioxane, low-k dielectric, plasma effect, … of N2 Plasma Effects on the Density Profile of Hydrogen Silsesquioxane Thin Films …

A New Experiment for Determining Evaporation and Condensation Coefficients of Cryogenic Propellants

March 1, 2016
Author(s)
Kishan Bellur, E F. Medici, M Kulshreshtha, V Konduru, D Tyrewala, A Tamilarasan, J McQuillen, Juscelino Leao, Daniel S. Hussey, David L. Jacobson, Julia Scherschligt, J Hermanson, C Choi, J Allen
… to determine the accommodation coecients for liquid hydrogen and liquid methane. The experimental e ort utilizes … experiments are the first known observation of a liquid hydrogen menisci condensing and evaporating inside aluminum … a finite contact angle, albeit very small, between liquid hydrogen and aluminum oxide. …

Interlaboratory Comparison of Hydrogen-Deuterium Exchange Mass Spectrometry (HDX-MS) MMeasurements of the Fab fragment of NISTmAb

May 2, 2019
Author(s)
Jeffrey W. Hudgens, Ioannis L. Karageorgos, Elyssia S. Gallagher, Kyle W. Anderson, James J. Filliben, Richard Y. Huang, Guodong Chen, Michael J. Chalmers, Benjamin T. Walters, Jennifer Zhang, John Venable, Caitlin Steckler, In Hee Park, Ansgar Brock, Xiaojun Lu, Ratnesh Pandey, Arun Chandramohan, Ganesh Srinivasan Anand, Sasidhar N. Nirudodhi, Justin Sperry, Jason C. Rouse, James A. Carroll, Kasper D. Rand, Ulrike Leurs, David D. Weis, Mohammed A. Al-Naqshabandi, Tyler S. Hageman, Patrick Wintrode, John D. Lambris, Sarah Urata, George M. Bou-Assaf, Alfonso Espada
… Hydrogen-deuterium exchange mass spectrometry (HDX-MS) is an … hydrogen-deuterium exchange, inerlaboratory comparison, mass … Interlaboratory Comparison of Hydrogen-Deuterium Exchange Mass Spectrometry (HDX-MS) …

Hydrogen Diffusion in Bulk and Nanocrystalline Palladium: A Quasielastic Neutron Scattering Study

August 29, 2016
Author(s)
Maiko Kofu, Naoki Hashimoto, Hiroshi Akiba, Hirokazu Kobayashi, Hiroshi Kitagawa, Hiroshi Kitagawa, Madhu Sudan Tyagi, Antonio Faraone, John R. Copley, Wiebke Lohstroh, Osamu Yamamuro
… The diffusion dynamics of hydrogen in bulk and Nanocrystalline palladium has been … bulk sample. The new process could be due to the motion of hydrogen atoms in the subsurface region where the potential … effects. This is the first QENS experiment that probes hydrogen diffusion within Pd nanoparticles. …

Nanoscopic Length Scale Dependence of Hydrogen Bonded Molecular Associates' Dynamics in Methanol

May 21, 2017
Author(s)
C. E. Bertrand, J. L. Self, John R. Copley, Antonio Faraone
… heat mode and a slow non-Fickian mode originating from the hydrogen bonded molecular associates. Here we report on the … is found to have a similar timescale to the lifetime of hydrogen bonding in the system. Both the structural … the associates are thermally activated by the breaking of hydrogen bonding. …
Displaying 401 - 425 of 1646
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