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NIST Authors in Bold

Displaying 1176 - 1200 of 4634

Small Particle Driven Chain Disentanglements in Polymer Nanocomposites

April 5, 2017
Author(s)
Erkan NMN Senses, Siyam M. Ansar, Christopher L. Kitchens, Yimin NMN Mao, Suresh Narayanan, Bharath NMN Natarajan, Antonio Faraone
… and bulk viscosity in athermal polyethylene oxide-gold nanoparticle composites. The result reveal a … polymer nanocomposites, gold nanoparticles, tube dilation, disentanglements, Rouse …

Exponentially correlated Hylleraas-Configuration Interaction studies of atomic systems. II. Non-relativistic energies of the 1 singlet S through 6 singlet S states of the Li+ ion

October 15, 2021
Author(s)
Maria B. Ruiz, James S. Sims, Bholanath Padhy
… examine not only the ground 1 singlet S state of the Li+ ion, but the 2 singlet S through 6 singlet S excited states … Lithium ion, non-relativistic energy, singlet S states, Hy-CI, E-Hy-CI … of the 1 singlet S through 6 singlet S states of the Li+ ion …

Effects of Resin Composition on the Remineralizing Ability of Amorphous Calcium Phosphate-Based Polymeric Composites

January 1, 2000
Author(s)
Joseph M. Antonucci, Drago Skrtic, E D. Eanes
… Bis-GMA/TEGDMA composites gave extremely low levels of ion release, the UDMA composites gave moderate sustainable release of ions. High, sustainable levels of ion release were obtained from the HEMA-containing … acid matrix composite based on PMGDMA initially gave high ion release, but this was not sustainable because of …

Degradation of Poly (Acrylates Under SF 5 + Primary Ion Bombardment Studied Using Time of Flight Secondary Ion Mass Spectrometry 1. Effect of Main Chain and Pendant Methyl Groups

October 16, 2008
Author(s)
M S. Wagner
… to the depth profiling of organic materials by secondary ion mass spectrometry (SIMS). Polyatomic primary ions offer … of the polymer on its degradation under polyatomic primary ion bombardment has not yet been systematically studied. In this study, positive and negative ion time-of-flight SIMS (ToF-SIMS) was used to measure the …

Separation of Large Circular DNA by Electrophoresis in Agarose Gels

January 1, 2002
Author(s)
Kenneth D. Cole, C M. Tellez
The electrophoresis of circular DNA, ranging in size from 4.4 kilobase pairs (kbp) to 220 kbp, was studied in agarose gels. Bacterial artificial chromosome (BAC) DNA was used as a source of large supercoiled and open circular (relaxed) forms. the open

Performance of a feedback-controlled, deterministic source of single Cr atoms

March 1, 2004
Author(s)
S Hill, Jabez J. McClelland
… A magneto-optic trap with feedback-controlled loading and loss rates is used … of the probability of not having a single atom in the trap (error rate) on experimental parameters. We describe a simple analytical model that considers mean load rate, trap lifetime, stray load rate, and feedback response time, …

Degradation of Poly(Acrylates) Under SF 5 ^+^ Primary Ion Bombardment Studied Using Time of Flight Secondary Ion Mass Spectrometry3. Poly (Hydroxyethyl Methacrylate) With Chemical Derivazation

October 16, 2008
Author(s)
M S. Wagner
… Molecular depth profiling of polymers by secondary ion mass spectrometry (SIMS) has focused on the use of … chemistry on polymer degradation under polyatomic primary ion bombardment. In this study, time-of-flight SIMS … group chemistry on their degradation. The sputter rate and ion-induced damage accumulation rate of PHEMA were similar to …

Patterning of Self-assembled Alkanethiol Monolayers on Silver by Microfocus Ion and Electron Beam Bombardment

April 1, 1994
Author(s)
John G. Gillen, Scott A. Wight, Joe Bennett, Michael J. Tarlov
… have been irradiated in selected areas by focused ion or electron bombardment. Subsequent immersion of the … attachment of this molecule to the silver surface in the ion or electron-exposed regions, producing a micrometer … areas was found to reach maximum levels of 70% at ion doses of 6×1013 ions/cm2 and 50% at electron doses of …

Detection of molecular hydrogen in a neutron beam lifetime experiment

December 12, 2025
Author(s)
Jimmy Caylor, Ripan Biswas, Bret Crawford, Maynard Dewey, Nadia Fomin, Geoffrey Greene, Shannon Hoogerheide, Jose Hungria-Negron, Hans Mumm, Jeffrey Nico, Daniel Valete, Fred Wietfeldt, Joseph Zuchegno
… a cold neutron beam traverses a segmented proton trap inside a superconducting solenoid while the neutron flux … Protons that are born within the fiducial volume of the trap are confined radially by the magnetic field and axially by the electrostatic potential supplied by trap electrodes. They are periodically released and counted, …

The Proteomics Standards Initiative standardized formats for spectral libraries and fragment ion peak annotations: mzSpecLib and mzPAF

August 5, 2024
Author(s)
Joshua Klein, Henry Lam, Tytus Mak, Wout Bittremieux, Yasset Perez-Riverol, Ralf Gabriels, Jim Shofstahl, Helge Hecht, Pierre-Alain Binz, Shin Kawano, Tim Van Den Bossche, Jeremy Carver, Ben Neely, Luis Mendoza, Tomi Suomi, Tine Claeys, Thomas Payne, Douwe Schulte, Zhi Sun, Nils Hoffmann, Yunping Zhu, Steffen Neumann, Andrew Jones, Nuno Bandeira, Juan Antonio Vizcaino, Eric Deutsch
… a standardized data model and serialization for fragment ion peak annotations, called mzPAF … spectral archives, file formats, data standards, fragment ion annotations … standardized formats for spectral libraries and fragment ion peak annotations: mzSpecLib and mzPAF …

Adsorption From Solutions on Synthetic Hydroxyapatite: Nonaqueous Versus Aqueous Solvents

July 1, 1999
Author(s)
D N. Misra
… of solutes from aqueous solutions generally involves ion-exchange with the apatite surface, and may be affected by … mass, and their ability to self-associate. The hydrogen ion concentration plays a decisive role in each one of the … of solutes from aqueous solutions generally involves ion-exchange with the apatite surface, and may be affected by …
Displaying 1176 - 1200 of 4634
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