UNT College of Science - 139 Matching Results

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open access

Abscisic acid regulates secondary cell-wall formation and lignin deposition in Arabidopsis thaliana through phosphorylation of NST1

Description: Article using a combination of biochemical and genetic approaches to show how ABA can regulate lignin biosynthesis. This work provides a basis for designing trees and other biomass plants that are better adapted to stress and climate change. This article includes a correction on the first page.
Date: February 2, 2021
Creator: Liu, Chang; Yu, Hasi; Rao, Xiaolan; Li, Laigeng & Dixon, R. A.
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open access

Accelerated reliability testing of Cu-Al bimetallic contact by a micropattern corrosion testing platform for wire bond device application

Description: This article presents a novel method of in-situ investigation of the device corrosion process to capture the real time mechanistic information not obtained in standard reliability testing.
Date: March 26, 2021
Creator: Ashok Kumar, Goutham Isaac; Alptekin, John; Caperton, Joshua; Salunke, Ashish & Chyan, Oliver Ming-Ren
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open access

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

Acoustic Metasurface-Aided Broadband Noise Reduction in Automobile Induced by Tire-Pavement Interaction

Description: Article demonstrating a technique utilizing acoustic metasurfaces (AMSes) with high reflective characteristics using relatively lightweight materials for noise reduction without any change in mechanical strength or weight of the tire. The proposed design can significantly reduce the noise arising from tire–pavement interaction over a broadband of acoustic frequencies under 1000 Hz and over a wide range of vehicle speeds using a negative effective dynamic mass density approach.
Date: July 30, 2021
Creator: Heo, Hyeonu; Sofield, Matthew; Ju, Jaehyung & Neogi, Arup
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open access

Advanced modeling of materials with PAOFLOW 2.0: New features and software design

Description: This article describes the recent re-design of the code and the new features and improvements in performance of PAOFLOW, a software tool that constructs tight-binding Hamiltonians from self-consistent electronic wavefunctions by projecting onto a set of atomic orbitals.
Date: September 2, 2021
Creator: Cesaroli, Frank T.; Supka, Andrew; Jayaraj, Anooja; Costa, Marcio; Siloi, Ilaria; Sławińska, Jagoda et al.
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open access

Analysis of the potential behavioral impact of methanol when used as a solvent: Dataset from zebrafish (Danio rerio) behavioral research

Description: This article is a dataset that describes behavioral results in zebrafish (Danio rerio) individually exposed to methanol, a solvent which is capable of altering physiology and behavior high concentrations.
Date: April 1, 2021
Creator: Hamilton, Trevor J.; Szaszkiewicz, Joshua; Krook, Jeffrey & Burggren, Warren W.
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open access

Analyzing Mass Spectrometry Imaging Data of 13C-Labeled Phospholipids in Camelina sativa and Thlaspi arvense (Pennycress) Embryos

Description: This article uses currently available software and techniques to describe a workflow to analyze ¹³C-labeled isotopologues of the membrane lipid and storage oil lipid intermediate—phosphatidylcholine (PC). Results demonstrated greater ¹³C-isotopic labeling in the cotyledons of developing embryos compared with the embryonic axis.
Date: March 4, 2021
Creator: Romsdahl, Trevor B.; Kambhampati, Shrikaar; Koley, Somnath; Yadav, Umesh P.; Alonso, Ana Paula; Allen, Doug K. et al.
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open access

Anion-enhanced excited state charge separation in a spiro-locked N-heterocycle-fused push-pull zinc porphyrin

Description: This article presents a new type of push–pull charge transfer complex, viz., a spiro-locked N-heterocycle-fused zinc porphyrin, ZnP-SQ, that is shown to undergo excited state charge separation, which is enhanced by axial F⁻ binding to the Zn center. Spectroelectrochemical studies are used to identify the spectra of charge separated states and charge separation upon photoexcitation of ZnP is established.
Date: February 24, 2021
Creator: Chahal, Mandeep K.; Liyanage, Anudradha; Alsaleh, Ajyal Z.; Karr, P. A.; Hill, Jonathan P. & D'Souza, Francis
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open access

Application of Genome Editing in Tomato Breeding: Mechanisms, Advances, and Prospects

Description: This article is a review presenting examples of gene editing responsible for conferring both biotic and abiotic stresses in tomato simultaneously. The literature on using this powerful technology to improve fruit quality, yield, and nutritional aspects in tomato is highlighted.
Date: January 12, 2021
Creator: Salava, Hymavathi; Thula, Sravankumar; Mohan, Vijee; Kumar, Rahul & Maghuly, Fatemeh
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open access

Approaching Bounded Rationality: From Quantum Probability to Criticality

Description: This article discusses the decision-making model (DMM), a paradigmatic instance of criticality, which deals with bounded rationality issues in a similar way as quantum probability (QP), generating choices that cannot be accounted by classical probability (CP). This work may contribute to considering criticality as another possible fundamental pillar in order to improve the understanding of cognition and of quantum mechanics.
Date: June 13, 2021
Creator: Tonello, Lucio & Grigolini, Paolo
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open access

Arabidopsis thaliana EARLY RESPONSIVE TO DEHYDRATION 7 Localizes to Lipid Droplets via Its Senescence Domain

Description: This article includes a proteomics analysis of Lipid Droplets (LDs) isolated from drought-stressed Arabidopsis leaves and identifying EARLY RESPONSIVE TO DEHYDRATION 7 (ERD7) as a putative LD protein. Observations provide new insight to ERD7 and the SD-containing family of proteins in plants and suggest that ERD7 may be involved in functional aspects of plant stress response that also include localization to the LD surface.
Date: April 14, 2021
Creator: Doner, Nathan M.; Seay, Damien C.; Mehling, Marina; Sun, Siqi; Gidda, Satinder K.; Schmitt, Kerstin et al.
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open access

Beyond the Chicken: Alternative Avian Models for Developmental Physiological Research

Description: This article is a review examining the characteristics that make an animal model attractive for developmental research and explores opportunities presented by the embryo to adult continuum of alternative bird models including quail, ratites, songbirds, birds of prey, and corvids.
Date: October 21, 2021
Creator: Flores-Santin, Josele & Burggren, Warren W.
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open access

Biophotons-and-emergence-of-quantum-coherencea-diffusion-entropy-analysisEntropy

Description: This article studies the emission of photons from germinating seeds using an experimental technique designed to detect light of extremely small intensity. It analyzes the dark count signal without germinating seeds as well as the photon emission during the germination process.
Date: April 29, 2021
Creator: Benfatto, Maurizio; Pace, Elisabetta; Curceanu, Catalina; Scordo, Alessandro; Clozza, Alberto; Davoli, Ivan et al.
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open access

Calculation of Abraham Model L-Descriptor and Standard Molar Enthalpies of Vaporization for Linear C7-C14 Alkynes From Gas Chromatographic Retention Index Data

Description: Article determines Abraham model L solute descriptors for an additional 33 linear C7-C14 alkynes based on published gas chromatographic retention indices for solutes eluted from capillary columns coated with squalane and apiezon L stationary phases.
Date: 2021
Creator: Shanmugam, Neel; Eddula, Shrika; Acree, William E. (William Eugene) & Abraham, M. H. (Michael H.)
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open access

Calculation of the Vapour Pressure of Organic Molecules by Means of a Group-Additivity Method and Their Resultant Gibbs Free Energy and Entropy of Vaporization at 298.15 K

Description: Article presenting the calculation of the vapour pressure of organic molecules at 298.15 K using a commonly applicable computer algorithm based on the group-additivity method. The standard entropy of vaporization ΔS°vap has been determined and compared with experimental data of 1129 molecules, exhibiting excellent conformance with a correlation coefficient R2 of 0.9598, a standard error σ of 8.14 J/mol/K and a medium absolute deviation of 4.68%.
Date: February 17, 2021
Creator: Naef, Rudolf & Acree, William E. (William Eugene)
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open access

Caputo Fractional Derivative and Quantum-Like Coherence

Description: This article studies two forms of anomalous diffusions and discusses the joint use of these prescriptions, with a phenomenological method and a theoretical projection method, leading to two apparently different diffusion equations. The authors prove that the two diffusion equations are equivalent and design a time series that corresponds to the anomalous diffusion equation proposed.
Date: February 9, 2021
Creator: Culbreth, Garland; Bologna, Mauro; West, Bruce J. & Grigolini, Paolo
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Chandra and Magellan/FIRE follow-up observations of PSO167–13: An X-ray weak QSO at z = 6.515

Description: This article presents the results of follow-up observations of the z = 6.515 radio-quiet QSO PSO167–13, which is interacting with a close companion galaxy with the goal to confirm the existence of the X-ray source and to investigate the rest-frame UV properties of the QSO. The authors observed the PSO167–13 system with Chandra/ACIS-S (177 ks) and obtained new spectroscopic observations (7.2 h) with Magellan/FIRE.
Date: May 27, 2021
Creator: Vito, F.; Brandt, William Nielsen; Ricci, F.; Congui, E.; Connor, T.; Bañados, E. et al.
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open access

Characterization of the Nit6803 nitrilase homolog from the cyanotroph Pseudomonas fluorescens NCIMB 11764

Description: This article reports the purification and characterization of a nitrilase (E.C. 3.5.5.1) (Nit11764) essential for the assimilation of cyanide as the sole nitrogen source by the cyanotroph, Pseudomonas fluorescens NCIMB 11764.
Date: January 16, 2021
Creator: Jones, Lauren B.; Wang, Xiaoqiang; Gullapalli, Jaya S. & Kunz, Daniel A.
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open access

Chemical-Guided Identification of Primary Metabolic Targets for Improvement of Hydroxy Fatty Acid Synthesis in Physaria fendleri

Description: Data management plan for the grant, "Chemical-Guided Identification of Primary Metabolic Targets for Improvement of Hydroxy Fatty Acid Synthesis in Physaria fendleri." Research on the identification of primary metabolic targets using chemical-guided identification. The first objective of this research is to conduct metabolomics analysis on P. fendleri embryos cultured with two identified chemical regulators of fatty acid metabolism. The second objective of this research is to generate a metabol… more
Date: 2021-06-15/2023-06-14
Creator: Johnston, Christopher
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open access

Childhood Asthma and Smoking: Moderating Effect of Preterm Status and Birth Weight

Description: Article exploring the association between second-hand smoke exposure, asthma, and asthma severity in children ages 6-17 as well as the effect of birth weight and prematurity (BWP) on parental smoking and asthma. Results indicate that focused asthma interventions in children should inquire about BWP status as well as parental smoking and household smoke exposure to reduce asthma morbidity and mortality.
Date: April 17, 2021
Creator: Ogbu, Chukwuemeka E.; Ogbu, Stella C.; Khadka, Dibya & Kirby, Russell S.
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