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Displaying 301 - 325 of 383

Universal RNA Reference Materials for Gene Expression

October 12, 2021
Author(s)
M Cronin, K Ghosh, F Sistare, J Quackenbush, V L. Vilker, C D. O'Connell
… Technologies: Universal RNA Standards was held on March 28-29, 2003 to define the need for standardization of the …

Particle Size Distributions for Cellulose Nanocrystals Measured by Transmission Electron Microscopy: An Interlaboratory Comparison

October 6, 2020
Author(s)
John E. Bonevich, Juris Meija, Bushell Michael, Martin Couillard, Kai Cui, Johan Foster, Douglas M. Fox, Markus Heidelmann, Byong Chon Park, Lingling Ren, Aleksandr B. Stefaniak, Ralf Theissmann, Natalia de Val Alda, Linda Johnston
Particle size is one of the key parameters that must be measured to ensure reproducible production of cellulose nanocrystals (CNCs) from various types of cellulose biomass and by different producers. It is also important for achieving reliable performance

Biophysical Characterization of Functionalized Titania Nanoparticles and Their Application in Dental Adhesives

February 2, 2017
Author(s)
Jirun Sun, Elijah Petersen, Stephanie S. Watson, Christopher Sims, Alexander Kassman, Stanislav Frukhtbeyn, Drago Skrtic, Meryem T. Ok, Deborah Jacobs, Qiang Ye, Bryant C. Nelson
… damage in a cell-free system for TiO2 concentrations of 0.5 mg/L or 5 mg/L. In addition, specific incorporation of the acrylic … NPs with an increase in the shear bond strength of ≈29%. In addition, no leaching of the incorporated NPs was …

Path Loss and Large-Scale Site and Frequency Diversity in Urban Peer-to-Peer Channels for Six Public Safety Frequency Bands

April 1, 2014
Author(s)
David W. Matolak, Christopher L. Holloway, Kate Remley, Qian Zhang, Qiong Wu
… available in this typical urban environment, and show that 5-site selection yields average gains of 15 dB or more in mean received power levels; 5-site selection diversity also reduces received power variation by as much as 17-29 dB, depending on frequency. Frequency diversity yields …

A calorimetric and equilibrium investigation of the reaction {methyl ferulate(aq) + H2O(l) = methanol(aq) + ferulic acid(aq)}

January 3, 2011
Author(s)
Robert N. Goldberg, Michael J. Selig, Stephen R. Decker, Brian E. Lang
… esterase. Values of the apparent equilibrium constant K = 29.6  0.7 (temperature T = 298.15 K, citrate buffer at pH = … ΔrG = (21.25  0.07) kJ∙mol-1, and ΔrS = (46.8  5.7) J∙K 1∙mol-1 for the chemical reference reaction {methyl … for the reaction {propyl gallate(aq) + H2O(l) = 3,4,5-trihydroxybenzoic acid-(aq) + 1 propanol(aq) + H+(aq)}. The …

Commutability of NIST SRM 1955 Homocysteine and Folate in Frozen Human Serum With Selected Total Homocysteine Immunometric or Enzymatic Assays

March 1, 2008
Author(s)
B C. Nelson, Christine M. Pfeiffer, Ming Zhang, David L. Duewer, Katherine E. Sharpless, Katrice Lippa
… The mean interlaboratory/interassay imprecision (CV) was 5% for patient specimens and ranged from 3% to 7% for SRM … as a descriptor of assay accuracy, ranged from 0.29 to 7.71 and from 0.20 to 2.22 for patient specimens and …

Determination of Cyanide in Blood by Isotope Dilution Gas Chromatography-Mass Spectrometry

March 31, 2006
Author(s)
Karen E. Murphy, Michele M. Schantz, Therese A. Butler, Bruce A. Benner Jr, Laura J. Wood, Gregory C. Turk
… cyanide (K13C15N) is added as the internal standard to 0.5 g whole blood in a headspace vial. Hydrogen cyanide is … through the addition of phosphoric acid and after 5 min incubation; 0.5 mL of the headspace is injected into … at m/z = 27 and the internal standard 1H13C15N+ at m/z = 29 are measured using single ion monitoring and the CN …

The 1.27 m O 2 Continuum Absorption in O 2 /CO 2 Mixtures

December 1, 2001
Author(s)
Gerald T. Fraser, Walter J. Lafferty
… 1.8 to 9.3 amagats. Absorption spectra were recorded at 0.5 cm -1 resolution using a Fourier-transform spectrometer and … 2 = 2.95(40) x 10 -43 cm -2 (molecule/cm 3 )-2 [i.e., 2.13(29) x 10 04 cm -2 amagat -2 ]. The SO 2 -CO 2 coefficient is …

Measurement of the Smoldering and Flaming Heats of Combustion of Vegetative Fuels

June 30, 2025
Author(s)
Isaac Leventon, Karen De Lannoye, Ryan Greene
T The combustion of vegetative fuels or biomass has important applications in energy generation, wildfire spread, and structural fire safety. It is critical to be able to accurately quantify the energy content of these fuels (i.e., their respective heats

Evaluating the security of CRYSTALS-Dilithium in the quantum random oracle model

April 29, 2024
Author(s)
Kelsey Jackson, Carl A. Miller, Daochen Wang
In the wake of recent progress on quantum computing hardware, the National Institute of Standards and Technology (NIST) is standardizing cryptographic protocols that are resistant to attacks by quantum adversaries. The primary digital signature scheme that

Modeling of Black PMMA in the NIST Gasification Apparatus using Fire Dynamics Simulator

October 20, 2023
Author(s)
Jason Floyd, Morgan Bruns, Isaac Leventon, Kevin B. McGrattan
… on the heat transfer coefficient 23 was examined. 24 5. Simulations of all PMMA gasification tests using the … were: 27 1. The effective heat transfer coefficient was 13.5 W/(m·K). 28 2. Including temporal and spatial details of … heat flux did not have a significant effect on results. 29 3. Pre-gasification test property sets had errors in PMMA …
Displaying 301 - 325 of 383
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