UNT College of Science - 33 Matching Results

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Acetaldehyde oxidation at elevated pressure

Description: A detailed chemical kinetic model for oxidation of CH3CHO at intermediate to high temperature and elevated pressure has been developed and evaluated by comparing predictions to novel high-pressure flow reactor experiments as well as shock tube ignition delay measurements and jet-stirred reactor data from literature. The flow reactor experiments were conducted with a slightly lean CH3CHO/O2 mixture highly diluted in N2 at 600–900 K and pressures of 25 and 100 bar. This is the accepted manuscript… more
Date: April 10, 2021
Creator: Hashemi, Hamid; Christensen, Jakob M.; Marshall, Paul & Glarborg, Peter
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open access

Biophotons: New Experimental Data and Analysis

Description: Article describes how biophotons are an ultra-weak emission of photons in the visible energy range from living matter. The authors study the emission from germinating seeds using an experimental technique designed to detect light of extremely small intensity.
Date: October 10, 2023
Creator: Benfatto, Maurizio; Pace, Elisabetta; Davoli, Ivan; Francini, Roberto; Matteis, Fabio De; Scordo, Alessandro et al.
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open access

Developmental Transcriptomic Analyses for Mechanistic Insights Into Critical Pathways Involved in Embryogenesis of Pelagic Mahi-Mahi (Coryphaena Hippurus)

Description: This article characterizes the developmental transcriptome of mahi-mahi by means of high throughput sequencing at three critical developmental stages.
Date: July 10, 2017
Creator: Xu, Elvis Genbo; Mager, Edward M.; Grosell, Martin; Stieglitz, John D.; Hazard, E. Starr; Hardiman, Gary et al.
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open access

Evidence of Endozoochory in Upland Geese Chloephaga picta and White-Bellied Seedsnipes Attagis malouinus in Sub-Antarctic Chile

Description: This article evaluates the role of endozoochory in herbivorous and sympatric bird species in sub-Antarctic Chile. The authors hypothesize that fragments of bryophyte gametophytes retrieved from their feces are viable and capable of regenerating new plant tissue. This relationship may have important implications in the way bryophytes disperse and colonize habitats facing climate change.
Date: June 10, 2021
Creator: Lázaro, Xenabeth A.; Mackenzie, Roy & Jiménez, Jaime E.
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open access

Existence of Solutions for Sublinear Equations on Exterior Domains

Description: This article proves the existence of an infinite number of radial solutions of Δu+K(r)ƒ(u) = 0, one with exactly n zeros for each nonnegative integer n on the exterior of the ball of radius R > 0, Bʀ, centered at the origin in ℝᴺ with u = 0 on ∂Bʀ and limᵣ→∞u(r) = 0 where N > 2, f is odd with ƒ < 0 on (0; β), ƒ > 0 on (β;∞), ƒ(u) ~ uᵖ with 0 < p < 1 for large u and K(r) ~ r-α with 0 < α < 2 for large r.
Date: October 10, 2017
Creator: Iaia, Joseph A.
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open access

Experimental and kinetic modeling study of oxidation of acetonitrile

Description: Article asserts that oxidation of acetonitrile has been studied in a flow reactor in the absence and presence of nitric oxide. A detailed chemical kinetic model for oxidation of acetonitrile was developed, based on a critical evaluation of data from literature. This is the accepted manuscript version of the published article.
Date: April 10, 2021
Creator: Alzueta, María U.; Guerrero, Marta; Millera, Angela; Marshall, Paul & Glarborg, Peter
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open access

FERONIA and wall-associated kinases coordinate defense induced by lignin modification in plant cell walls

Description: Article discusses authors' findings that through genetic screening for suppressors of defense gene induction in the low lignin ccr1-3 mutant of Arabidopsis thaliana, we found that loss of function of the receptor-like kinase FERONIA, although not restoring growth, affected cell wall remodeling and blocked release of elicitor-active pectic polysaccharides as a result of the ccr1-3 mutation. They determine that engineering plant cell walls will require development of ways to bypass endogenous pec… more
Date: March 10, 2023
Creator: Liu, Chang; Yu, Hasi; Voxeur, Aline; Rao, Xiaolan & Dixon, R. A.
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open access

Functional Carbon Capsules Supporting Ruthenium Nanoclusters for Efficient Electrocatalytic 99TcO4-/ReO4 Removal from Acidic and Alkaline Nuclear Wastes

Description: Article describes how the selective removal of the β-emitting pertechnetate ion (99TcO4−) from nuclear waste streams is technically challenging. In this article, a practical approach is proposed for the selective removal of 99TcO4− (or its surrogate ReO4−) under extreme conditions of high acidity, alkalinity, ionic strength, and radiation field.
Date: September 10, 2023
Creator: Liu, Xiaolu; Xie, Yinghui; Li, Yang; Hao, Mengjie; Chen, Zhongshan; Yang, Hui et al.
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open access

Liquid Chromatography Tandem Mass Spectrometry Quantification of ¹³C-Labeling in Sugars

Description: This article describes a new methodology for monitoring sucrose labeling using liquid chromatography tandem mass spectrometry (LC-MS/MS). To date, the most commonly used method to monitor sucrose labeling is by nuclear magnetic resonance, which requires substantial amounts of biological sample.
Date: January 10, 2020
Creator: Cocuron, Jean-Christophe; Ross, Zacchary & Alonso, Ana P.
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open access

The metabolic cost of turning right side up in the Mediterranean spur-thighed tortoise (Testudo graeca)

Description: Article examining the the metabolic cost of self-righting in the terrestrial Mediterranean spur-thighed tortoise using respirometry and kinematic video analysis and comparing this to the metabolic cost of locomotion at a moderate, easily sustainable speed. The results found that self-righting is, relatively, metabolically expensive and costs around two times the mass-specific power required to walk.
Date: January 10, 2022
Creator: Ewart, Heather E.; Tickle, Peter G.; Sellers, William I.; Lambertz, Markus; Crossley, Dane A., II & Codd, Jonathan R.
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open access

Plasmonically-powered hot carrier induced modulation of light emission in a two-dimensional GaAs semiconductor quantum well

Description: Article describes an experiment in which a hot-electron-enabled route to controlling light with dissipative loss compensation in semiconductor quantum light emitters has been realized for tunable quantum optoelectronic devices via a two-species plasmon system.
Date: December 10, 2018
Creator: Ashalley, Eric; Gryczynski, Karol; Wang, Zhiming; Salamo, Gregory & Neogi, Arup
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open access

Pyrazinacenes exhibit on-surface oxidation-state-dependent conformational and self-assembly behaviours

Description: This article reports pyrazinacenes containing the dihydro-decaazapentacene and dihydro-octaazatetracene chromophores and compares their properties/functions as a model case at an oxidizing metal substrate.
Date: March 10, 2021
Creator: Miklík, David; Mousavi, S. Fatemeh; Burešová, Zuzana; Middleton, Anna; Matsushita, Yoshitaka; Labuta, J. et al.
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open access

Reduced reflectance and altered color: The potential cost of external particulate matter accumulation on urban Rock Pigeon (Columba livia) feathers

Description: Authors of the article state that airborne particulate matter (PM) can accumulate on feather surfaces and alter feather appearance, so they quantified PM accumulation on Rock Pigeon feathers and analyzed the spectral properties of extracted particulates. Their findings suggest that wild birds could incur an urban pollution penalty as PM accumulation has the potential to alter feather properties.
Date: February 10, 2023
Creator: Ellis, Jennifer L.; Ponette-González, Alexandra G.; Fry, Matthew & Johnson, Jeff A.
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open access

Retinal oxygen supply shaped the functional evolution of the vertebrate eye

Description: Article explores the hypothesis that oxygen diffusion limited the evolution of retinal morphology by reconstructing the evolution of retinal thickness and the various mechanisms for retinal oxygen supply, including capillarization and acid-induced haemoglobin oxygen unloading.
Date: December 10, 2019
Creator: Damsgaard, Christian; Lauridsen, Henrik; Funder, Anette MD; Thomsen, Jesper S.; Desvignes, Thomas; Crossley, Dane A., II et al.
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open access

Review—Two Different Multiple Photosynthetic Reaction Centers Using Either Zinc Porphyrinic Oligopeptide-Fulleropyrrolidine or Free-Base Porphyrinic Polypeptide-Li+@C60 Supramolecular Complexes

Description: Article presents an overview of two successful examples of photosynthetic reaction center models combined with light-capturing antenna chromophores. This article is part of the JSS Focus Issue on Porphyrins, Phthalocyanines, and Supramolecular Assemblies in Honor of Karl M. Kadish.
Date: August 10, 2020
Creator: D'Souza, Francis; Solladié, Nathalie; Fukuzumi, Shunichi; Ohkubo, Kei; Rein, Régis; Saito, Kenji et al.
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open access

Revision and Extension of a Generally Applicable Group-Additivity Method for the Calculation of the Standard Heat of Combustion and Formation of Organic Molecules

Description: Article presenting the calculation of the heats of combustion ΔH°c and formation ΔH°f of organic molecules at standard conditions using a commonly applicable computer algorithm based on the group-additivity method. This work is a continuation and extension of an earlier publication.
Date: October 10, 2021
Creator: Naef, Rudolf & Acree, William E. (William Eugene)
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open access

Role of heterophase interfaces on local coercivity mechanisms in the magnetic Al0.3CoFeNi complex concentrated alloy

Description: Article describes how authors use state-of-the-art electron microscopy techniques to show that the magnetization reversal process in an Al0.3CoFeNi magnetic complex concentrated alloy (CCA), which is responsible for its coercivity, changes dramatically from a nucleation-type mechanism in the FCC+L12 state of the CCA. Their work reveals that heterophase FCC/BCC interfaces have a much stronger effect on coercivity than isostructural chemically ordered/disordered interfaces and provides a powerful… more
Date: January 10, 2023
Creator: Kovács, András; Venkataraman, Nithin B.; Chaudhary, V.; Dasari, Sriswaroop; Denneulin, Thibaud; Ramanujan, R. V. et al.
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open access

Self-reporting molecularly imprinted polymer with the covalently immobilized ferrocene redox probe for selective electrochemical sensing of p-synephrine

Description: Article simultaneously imprinting the p-synephrine 1 template and covalently immobilizing a a ferrocene redox probe in a (bis-bithiophene)-based polymer. The resulting molecularly imprinted polymer (MIP) was deposited on the Pt electrode as a thin film to form a redox self-reporting MIP film-based chemosensor.
Date: June 10, 2021
Creator: Lach, Patrycja; Cieplak, Maciej; Noworyta, Krzysztof R.; Pieta, Piotr; Lisowski, Wojciech; Kalecki, Jakub et al.
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open access

Self-reporting molecularly imprinted polymer with the covalently immobilized ferrocene redox probe for selective electrochemical sensing of p-synephrine

Description: This article uses a molecularly imprinted polymer (MIP) to form a redox self-reporting MIP film-based chemosensor applied for p-synephrine determination.
Date: June 10, 2021
Creator: Lach, Patrycja; Cieplak, Maciej; Noworyta, K.; Pieta, Piotr; Lisowski, Wojciech; Kalecki, Jakub et al.
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