Articles with "reaction rates" as a keyword



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56Fe, 16O, 1H Elastic and capture cross sections analysis in PCA-REPLICA benchmark

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Published in 2021 at "Progress in Nuclear Energy"

DOI: 10.1016/j.pnucene.2021.103996

Abstract: Abstract The uncertainties in nuclear data give inaccurate values of reaction rates in shielding benchmarks. Consequently, the inclusion of the shielding benchmarks in the validation of the nuclear data would contribute to the production of… read more here.

Keywords: elastic capture; reaction rates; cross; nuclear data ... See more keywords

Quantitative Measurements of Electrocatalytic Reaction Rates with NanoSECM.

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Published in 2024 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.4c01019

Abstract: Scanning electrochemical microscopy (SECM) has been extensively used for mapping electrocatalytic surface reactivity; however, most of the studies were carried out using micrometer-sized tips, and no quantitative kinetic experiments on the nanoscale have yet been… read more here.

Keywords: measurements electrocatalytic; chemistry; rates nanosecm; electrocatalytic reaction ... See more keywords

Microscale Chaotic Mixing as a Driver for Chemical Reactions in Porous Media.

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Published in 2024 at "Environmental science & technology"

DOI: 10.1021/acs.est.3c09749

Abstract: Mixing-induced reactions play a key role in a large range of biogeochemical and contaminant transport processes in the subsurface. Fluid flow through porous media was recently shown to exhibit chaotic mixing dynamics at the pore… read more here.

Keywords: chemical reactions; mixing; porous media; reaction rates ... See more keywords

Sulfidation of Magnetite for Superior Dechlorination of Trichloroethene.

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Published in 2025 at "Environmental science & technology"

DOI: 10.1021/acs.est.4c07127

Abstract: The reported contributions of magnetite to the abiotic natural attenuation of chlorinated ethenes have generated interest in its potential for soil and groundwater remediation. In this study, we investigated the impact of the two-step sulfidation… read more here.

Keywords: dechlorination; trichloroethene; magnetite superior; reaction rates ... See more keywords
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Accelerating Reaction Rates of Biomolecules by Using Shear Stress in Artificial Capillary Systems

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Published in 2021 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.1c03681

Abstract: Biomimetics is a design principle within chemistry, biology, and engineering, but chemistry biomimetic approaches have been generally limited to emulating nature’s chemical toolkit while emulation of nature’s physical toolkit has remained largely unexplored. To begin… read more here.

Keywords: accelerating reaction; rates biomolecules; reaction rates; chemistry ... See more keywords

Electrophilic Aromatic Substitution Reactions: Mechanistic Landscape, Electrostatic and Electric-Field Control of Reaction Rates, and Mechanistic Crossovers.

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Published in 2019 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.9b04982

Abstract: This study investigates the rich mechanistic landscape of the iconic electrophilic aromatic substitution (EAS) reaction class, in the gas phase, in solvents, and under stimulation by oriented external electric fields. The study uses DFT calculations,… read more here.

Keywords: reaction rates; control reaction; aromatic substitution; mechanistic landscape ... See more keywords

Fast predictions of liquid-phase acid-catalyzed reaction rates using molecular dynamics simulations and convolutional neural networks†

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Published in 2020 at "Chemical Science"

DOI: 10.1039/d0sc03261a

Abstract: The rates of liquid-phase, acid-catalyzed reactions relevant to the upgrading of biomass into high-value chemicals are highly sensitive to solvent composition and identifying suitable solvent mixtures is theoretically and experimentally challenging. We show that the… read more here.

Keywords: molecular dynamics; reaction rates; convolutional neural; acid catalyzed ... See more keywords

Temperature-dependent reaction rates of quinone-alkene cycloaddition reveal that only entropy determines the rate of SPOCQ reactions.

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Published in 2025 at "Chemical science"

DOI: 10.1039/d5sc04275e

Abstract: Second-order rate constants and thermodynamic activation parameters for the strain-promoted oxidation-controlled quinone (SPOCQ) click reaction of an ortho-quinone with various trans-cyclooctene and cyclooctyne reagents were determined by stopped-flow spectroscopic analysis. We substantiate the origin of… read more here.

Keywords: reaction; rate; reaction rates; dependent reaction ... See more keywords

Uncertainty Quantification of 237Np, 241Am, and 243Am Reaction Rates in Highly Enriched Uranium Fuel Cores at Kyoto University Critical Assembly

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Published in 2024 at "Nuclear Science and Engineering"

DOI: 10.1080/00295639.2024.2380624

Abstract: Abstract Experimental analyses of 237Np, 241Am, and 243Am fission, as well as 237Np capture reaction rates, are conducted with the Serpent 2 code together with ENDF/B-VIII.0 and JENDL-5 using experimental data for the neutron spectra… read more here.

Keywords: reaction; 241am 243am; endf viii; 237np 241am ... See more keywords

Characterization of H2O:N2 ice under bombardment by cosmic rays: Part I - Reaction rates and chemical equilibrium.

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Published in 2025 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staf225

Abstract: In space, nitrogen-rich ice is constantly exposed to ionizing radiation which triggers chemical reactions and desorption processes allowing a chemical enhancement of interstellar medium. Here we present the first part of a series of studies… read more here.

Keywords: chemical equilibrium; ice; part; reaction rates ... See more keywords
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Shellac: A Tertiary Care Center Experience.

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Published in 2018 at "Dermatitis"

DOI: 10.1097/der.0000000000000394

Abstract: To the Editor: Li students tested with European cosmetic series Warshaw et al 2011–2012 4231 66 (1.6) All patch-tested patients tested with standard series Warshaw et al 2009–2010 4301 74 (1.7) All patch-tested patients tested… read more here.

Keywords: shellac tertiary; reaction rates; series; reaction ... See more keywords