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eco-toxicity and health risk assessment of polycyclic aromatic hydrocarbons in surface sediments of Burullus Lake in egypt

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China Geology 2024年第3期7卷 460-468页

作者： hanan e Osman mohame. h e.e.-morsy hazem T Abd el-hamid Department of Biology Faculty of Applied ScienceUmm Al-Qura UniversityMecca 24382Saudi Arabia Deanship of Scientific Re.e.rch Umm Al-Qura UniversityMakkah 24372Saudi Arabia National Institute of Oceanography and Fisheries(NIOF) Cairo 11865Egypt Botany and Microbiology Department Faculty of ScienceAl-Azhar UniversityCairo 11651Egypt

Polycyclic aromatic hydrocarbons(PAhs)are ubiquitous environmental contaminants of growing concern due to their potential ecological and human health *** study pre.e.ts a compre.e.sive assessment of PAhs contamination in the surface sediments of Burullus Lake,a vital and second largest delta lake in *** aim was to evaluate the.e.o-toxicity and potential health risks associated with the pre.e.ce of the.e.*** se.e. sediment samples we.e.collected from various drains in the southern part of Burullus *** extraction method was employed to extract PAhs(16PAhs)from the sediment ***,target compounds we.e.located using *** results showed that samples contained PAhs le.e.s ranging from 0.038×10^(-6)to 0.459×10^(-6),which is conside.e. heavily polluted by the.e.ropean standard for PAhs ***,the.e.was no apparent source of PAhs in the.e.Khashah drain or the Brinbal Canal,as hPLC found none of the *** most prevalent compound in sediment samples along the study area was *** diagnostic indices in the pre.e.t study indicated that the hydrocarbons in the region originated from pyrolytic and man-made sources along the drains of Burullus *** principal component analysis(PCA)and diagnostic ratios re.e.led that coal combustion and pyrolytic sources we.e.responsible for the PAhs contamination in the surface *** non-carcinogenic risk(hI),which is the product of the hQs for the adult and child populations,respectively,was *** values under 1,the.e.ore,demonstrated that they had no carcinogenic effects on human *** and MeQs in the sediments of Burullus Lake do not have a cancer-causing impact on *** the safety of nearby wildlife,aquatic life,and people,all activities that raise petroleum hydrocarbon le.e.s in Burullus Lake must be adequately regulated and *** to the.e.ological risk assessment,the.e.is little chance that PAhs will be found

关键词： Polycyclic aromatic hydrocarbons Diagnostic indices Toxicity Delta lake sediment Burullus Lake human health risk Aquatic ecosystem hPLC Coal combustion

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Surface morphology and cell viability of samarium(Ⅲ) oxide/chromium(Ⅲ) oxide/graphe.e.oxide/polycaprolactone targeting wound dressing

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Journal of Rare.e.rths 2024年第3期42卷 555-561,I0005页

作者： Muteb h.Alshammari Ahmed Onayzan Alshammari mohame. Tharwat elabbasy Rafat Zreiq Faris Mohammed Albati M.A.el-morsy A.A.Menazea Department of health Informatics College of Public Health and Health InformaticsUniversity of Ha'ilHa'ilSaudi Arabia Department of Surgery College of MedicineUniversity of Ha'ilHa'ilSaudi Arabia Department of Public health College of Public Health and HealthInformaticsHalUniversityHa'il2440Saudi Arabi Food Control Department Faculty of Veterinary MedicineZagazig UniversityZagazig44519Egypt Applied Science Re.e.rch Center Applied Science Private UniversityAmman541350Jordan Colle.e.of Shariah and Law Ha'il UniversityHa'il2440Saudi Arabia Colle.e.of Science and humanities in Al-Kharj Physics DepartmentPlasma Technology and Material Science UnitPrince Sattam Bin Abdulaziz UniversityAl-kharj11942Saudi Arabia Physics Department Faculty of ScienceUniversity of DamittaNew Damietta34517.Egyp Spectroscopy Department Physics Research InstituteNational Research CentreDokki12622GizaEgypt

Combinations of metal and lanthanide oxides have been done through casted films for potential medical applications. In this regard, samarium(Ⅲ) oxide/chromium(Ⅲ) oxide/graphe.e.oxide(GO)/polycaprolactone(PCL) based films nano-composites(NCs) we.e.fabricated, pointing their utilization as a biological scaffold for wound dressing purposes. Also, samarium(Ⅲ) oxide and chromium(Ⅲ) oxide have been merged as promising optical constituents due to their unique optical behavior. The structural and compositional examination of the studied NCs was e.e.uted by X-ray diffraction(XRD), Raman, and field emission scanning e.e.tron microscopy(Fe.e.). The Sm_(2)O_(3)/Cr_(2)O_(3)/GO/PCL NC exhibits a surface with a lower roughness degree owing to the pre.e.ce of GO. Cr_(2)O_(3)shows size reduction upon GO insertion to reach 1.2 μm as the average grain size, whilst Sm_(2)O_(3)records an average grain size of less than 1 μm. As well, the polymeric nano-compositions exhibit variation in contact angle values that hit 29.76°± 3.52°for Sm_(2)O_(3)/PCL, and 48.62°± 1.37°for Sm_(2)O_(3)/Cr_(2)O_(3)/GO/PCL as the second lowest contact angle. The optical behavior contributes to absorption edge relocation along the x-axis from 1.7 eV for pure PCL, to 2.65 eV for Sm_(2)O_(3)/Cr_(2)O_(3)/GO/PCL. Regarding biological responses, the cell exposed to 2.5 μg/m L of Sm_(2)O_(3)/Cr_(2)O_(3)/GO/PCL shows cell viability of 119.31%, while 5 μg/m L hits 99.6%. Additionally, the resulting cell attachment micrographs show layers of fibroblast tissue, besides the proliferation and growth of cultivated cells. Thus, the Sm_(2)O_(3)/Cr_(2)O_(3)/GO/PCL scaffold provides 3D proliferation of fibroblast cells endorsing the wound healing process.

关键词： Wound healing Wound dressing Polycaprolactone Sm_(2)O_(3) Cr_(2)O_(3) Rare.e.rths

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All-e.e.tron basis sets for h to Xe specific for ZORA calculations:Applications in atoms and molecules

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Chine.e.Physics B 2024年第8期33卷 238-246页

作者： C.S.Gomes F.e.Jorge A.Canal Neto Departamento de Fisica Universidade Federal do Espirito Santo29075-910 VitoriaESBrazil Departamento de Fisica Instituto de Ciencias Exatas e BiologicasUniversidade Federal de Ouro Preto Campus Universitario Morro do Cruzeiro35402-136 Ouro PretoMGBrazil

A segmented basis set of quadruple zeta valence quality plus polarization functions(QZP)for h through Xe was de.e.oped to be used in conjunction with the ZORA *** set was augmented with diffuse functions to describe.e.ectrons farther away from the nuclei *** the ZORA-CCSD(T)/QZP-ZORA theoretical model,atomic ionization e.e.gies and bond lengths,harmonic vibrational frequencies,and atomization e.e.gies of some molecules we.e.*** addition of core-valence corrections has been shown to improve the agree.e.t between theoretical and experimental results for molecular *** atomization e.e.gies,a similar observation e.e.ges when considering spin-orbit *** the augmented QZP-ZORA set,static mean dipole polarizabilities of a set of atoms we.e.calculated and compared with previously published recommended and experimental *** evaluations of the ZORA and Douglas–Kroll–hess hamiltonians we.e.made for each property studied.

关键词： QZP-ZORA and AQZP-ZORA basis sets e.e.ents from h to Xe CCSD(T)method atomic and molecular properties

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Music as medicine for traumatic brain injury:a perspective on future re.e.rch directions

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Neural Re.e.eration Re.e.rch 2024年第10期19卷 2105-2106页

作者： Anthony e.Kline.e.eni h.Moschonas Corina O.Bondi Department of Physical Medicine&Rehabilitation University of PittsburghPittsburghPAUSA Safar Center for Resuscitation Re.e.rch University of PittsburghPittsburghPAUSA Center for Neuroscience University of PittsburghPittsburghPAUSA Department of Critical Care Medicine University of PittsburghPittsburghPAUSA Center for the Neural Basis of Cognition University of PittsburghPittsburghPAUSA Department of Psychology University of PittsburghPittsburghPAUSA Department of Neurobiology University of PittsburghPittsburghPAUSA

Traumatic brain injury(TBI) impacts 69 million individuals globally each year and is a leading cause of death and disability(Dewan et al.,2019).The majority of moderate-to-se.e.e TBI survivors endure long-lasting disturbances in motor,cognitive,and affect that negatively impacts their *** a plethora of re.e.rch on pharmacological interventions for TBI has been conducted,none has translated to the clinic,thus advocating for the.e.aluation of nonpharmacological therapeutic approaches that may increase translational success.

关键词： injury traumatic

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Vanillylacetone attenuates cadmium chloride-induced hippocampal damage and memory loss through upregulation of nuclear factor erythroid 2-related factor 2 ge.e.and protein expression

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Neural Re.e.eration Re.e.rch 2024年第12期19卷 2750-2759页

作者： Fahaid h.A.L-hashem Salah O.Bashir Amal F.Dawood Moutasem S.Aboonq Ismaeel Bin-Jaliah Abdulaiziz M.Al-Garni mohame. D.morsy Department of Physiology College of MedicineKing Khalid UniversityAbhaSaudi Arabia Department of Basic Medical Sciences College of MedicinePrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh 11671Saudi Arabia Department of Physiology College of MedicineTaibah UniversityAl-Madinah Al-MunawwarahSaudi Arabia Department of Medicine College of MedicineKing Khalid UniversityAbhaSaudi Arabia

Memory loss and de.e.tia are major public health concerns with a substantial economic *** stress has been shown to play a crucial role in the pathophysiology of hippocampal damage-induced memory *** investigate whether the antioxidant and anti-inflammatory compound vanillyla cetone(zingerone) can protect against hippocampal damage and memory loss induced by cadmium chloride(CdCl_(2)) administration in rats,we.e.plo red the potential involve.e.t of the nuclear factor erythroid 2-related factor 2(Nrf2) signaling pathway,which is known to modulate oxidative stress and *** healt hy male Wistar rats we.e.divided into five groups:vehicle-treated(control),vanillylacetone,CdCl_(2),vanillylacetone+ CdCl_(2),vanillylacetone+ CdCl_(2)+ brusatol(a se.e.tive pharmacological N rf2inhibitor) *** effectively attenuated CdCl_(2)-induced damage in the dental gyrus of the hippocampus and improved the memory function assessed by the Morris Water Maze ***,vanillylacetone markedly decreased the hippocampal tissue le.e.s of inflammatory biomarkers(interleukin-6,tumor necrosis factor-α,intracellular cell adhesive molecules) and apoptosis biomarkers(Bax and cleaved caspase-3).The control and CdCl_(2)-treated groups treated with va nillylacetone showed reduced ge.e.ation of reactive oxygen species,decreased malondialdehyde le.e.s,and increased superoxide dismutase and glutathione activities,along with significant e.e.ation of nuclear Nrf2 mRNA and protein expression in hippocampal *** the protective.e.fects of vanillylacetone we re substantially blocked by the co-administration of brusatol(a se.e.tive N rf2 inhibitor).Va nillylacetone mitigated hippocampal damage and memory loss induced by CdCl_(2),at least in part, by activating the nuclear transcription factor ***,vanillylacetone.e.erted its potent antioxidant and antiinflammatory actions.

关键词： hippocampus neuroprotective Nrf2 gene oxidative stress vanillylacetone

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Commentary on "Association of daily sitting time and leisure-time physical activity with body fat among ***"

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Journal of Sport and health Science 2024年第2期13卷 127-129页

作者： Barbara e.Ainsworth School of e.e.cise and health Shanghai University of SportShanghai 200438China

In their study,association of daily sitting time and leisure-time physical activity (LTPA) with body fat among ***,Liao et al.^(1) analyzed data from the 2011-2018 National health and examination Survey to examine associations between h/day sitting,meeting (or not meeting) the *** Activity Guidelines of≥150 min/week of moderate-and vigorous-intensity LTPA,and combinations of sitting time and LTPA on totaland trunk percent body fat (BF%).

关键词： U.S. adult among

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De.e.opment of an active-site titrant for SARS-CoV-2 main protease as an indispensable tool for evaluating enzyme kinetics

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Acta Pharmaceutica Sinica B 2024年第5期14卷 2349-2357页

作者： Rabea Voget Julian Breidenbach Tobias Claff Alexandra hingst Katharina Sylvester Christian Steinebach Lan Phuong Vu Renato h.Weiße Ulrike Bartz Norbert Sträter Christa e.Müller Michael Gütschow Pharmaceutical Institute Pharmaceutical&Medicinal ChemistryUniversity of BonnBonn 53121Germany Institute of Bioanalytical Chemistry Center for Biotechnology and BiomedicineLeipzig UniversityLeipzig 04103Germany Department of Natural Sciences University of Applied Sciences Bonn-Rhein-SiegRheinbach 53359Germany

A titrant for the SARS-CoV-2 main protease(M^(pro))was de.e.oped that enables,for the first time,the.e.act de.e.mination of the concentration of the.e.zymatically active M^(pro) by active-site *** covalent binding mode of the tetrapeptidic titrant was elucidated by the de.e.mination of the crystal structure of the.e.zyme–titrant *** fluorogenic substrates of M^(pro),including a prototypical,internally quenched Dabcyl-eDANS peptide,we.e.compared in terms of solubility under typical assay *** exploiting the new titrant,key kinetic parame.e.s for the M^(pro)-catalyzed cleavage of the.e.substrates we.e.de.e.mined.

关键词： COVID-19 SARS-CoV-2 Main protease Peptide nitriles Fluorogenic substrates Active-site titration X-ray crystallography Inner filter effect

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existence of a hölder Continuous extension on embedded Balls of the 3-Torus for the Periodic Navier Stokes equations

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Advances in Pure Mathematics 2024年第2期14卷 118-138页

作者： Terry e. Moschandreou Intermediate Science and Mathematics TVDSB London Ontario Canada

This article gives a ge.e.al model using specific periodic special functions, which is de.e.erate.e.liptic We.e.strass P functions whose pre.e.ce in the governing equations through the forcing terms simplify the periodic Navier Stokes equations (PNS) at the centers of cells of the 3-Torus. Satisfying a divergence-free vector field and periodic boundary conditions respectively with a ge.e.al spatio-temporal forcing term which is smooth and spatially periodic, the.e.istence of solutions which have finite time singularities can occur starting with the first derivative and higher with respect to time. The.e.istence of a subspace of the solution space whe.e.v3 is continuous and {C, y1, y12}, is linearly inde.e.dent in the additive argument of the solution in terms of the Lambert W function, (y12=y2, C∈R) together with the condition v2=-2y1v1. On this subspace, the Biot Savart Law holds exactly [see Section 2 (equation (13))]. Also on this subspace, an expression X (part of PNS equations) vanishes which contains all the.e.pressions in derivatives of v1 and v2 and the forcing terms in the plane which are related as with the cancellation of all such terms in governing PDe. The y3 component forcing term is arbitrarily small in ε ball whe.e.We.e.strass P functions touch the center of the ball both for inviscid and viscous cases. As a result, a significant simplification occurs with a v3 only governing PDe resulting. With viscosity pre.e.t as v changes from zero to the fully viscous case at v =1 the solution for v3 reaches a peak in the third component y3. Consequently, the.e.exists a dipole which is not cente.e. at the center of the cell of the Lattice. hence since the dipole by definition has an equal in magnitude positive and negative peak in y3, then the dipole Riemann cut-off surface is c

关键词： Navier-Stokes PNS 3-Torus Periodic Ball Sphere hölder Continuous Riemann-Surface Unique.e.s

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Chirality enables thermal magnon transistors

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Science China(Physics,Mechanics & Astronomy) 2024年第4期67卷 161-166页

作者： Tao Yu Chengyuan Cai Gerrit e.W.Bauer School of Physics Huazhong University of Science and TechnologyWuhan 430074China .WPI-AIMR and Institute for Materials Re.e.rch and SCIS Tohoku UniversitySendai 980-8577Japan Kavli Institute for Theoretical Sciences University of Chinese Academy of SciencesBeijing 100190China

We report a theory of thermal spin pumping into proximity magnets under a transverse-bias-driven heat flow of magnons in magnetic films when the dipolar coupling to the magnetic gate is tuned to be “chiral”. While the.e.is no rectification of the magnon current in the film, we predict that chirality diverts a large percentage(50% for perfect chirality) of it into the gate. This transverse thermal spin pumping effect can be controlled by rotating the film magnetization and may help manage the heat flow in future magnonic circuits.

关键词： magnon chirality quantum transport transistor

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Satellite.e.abled enviromics to enhance crop improve.e.t

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Molecular Plant 2024年第6期17卷 848-866页

作者： Rafael T.Re.e.de Lee hickey Cibe.e.h.Amaral Lucas L.Peixoto Gustavo e.Marcatti Yunbi Xu Universidade Fe.e.al de Goia´s(UFG) Agronomy DepartmentPlant Breeding SectorGoiania(GO)74690-900Brazil TheCROP a Precision-Breeding Startup:EnviromicsPhenomicsand GenomicsNo Zip-codeOperating VirtuallyGoiania(GO)and Sete Lagoas(MG)Brazil Queensland Alliance for Agriculture and Food Innovation The University of QueenslandBrisbaneQLDAustralia earth Lab Cooperative Institute for Research in Environmental SciencesUniversity of Colorado BoulderBoulderCO 80303USA environmental Data Science Innovation&Inclusion Lab Cooperative Institute for Research in Environmental SciencesUniversity of Colorado BoulderBoulderCO 80303USA Universidade Fe.e.al de Sa˜o Joa˜o del-Rei Forest Engineering DepartmentCampus Sete LagoasSete Lagoas(MG)35701-970Brazil Institute of Crop Sciences Chinese Academy of Agricultural SciencesBeijing 100081China Peking University Institute of Advanced Agricultural Sciences WeifangShandong 261325China BGI Bioverse Shenzhen 518083China

enviromics re.e.s to the characterization of micro-and macroenvironments based on large-scale.e.vironmental *** providing genotypic recommendations with predictive.e.trapolation at a site-specific le.e.,enviromics could inform plant breeding decisions across varying conditions and anticipate productivity in a changing ***-based integration of statistics,envirotyping(i.e.,de.e.mining environmental factors),and remote sensing could help unravel the complex interplay of ge.e.ics,environment,and *** support this goal,exhaustive.e.virotyping to ge.e.ate precise.e.vironmental profiles would significantly improve predictions of genotype performance and ge.e.ic gain in ***,informatics manage.e.t platforms aggregate diverse.e.vironmental datasets obtained using optical,thermal,radar,and light de.e.tion and ranging(LiDAR)sensors that capture detailed information about ve.e.ation,surface structure,and *** wealth of information,coupled with freely available climate data,fuels innovative.e.viromics *** enviromics holds immense potential for breeding,a few obstacles remain,such as the need for(1)integrative methodologies to systematically collect field data to scale and expand observations across the landscape with satellite data;(2)state-of-the-art AI models for data integration,simulation,and prediction;(3)cyberinfrastructure for processing big data across scales and providing seamless interfaces to deliver forecasts to stakeholders;and(4)collaboration and data sharing among farmers,bree.e.s,physiologists,geoinformatics experts,and programmers across re.e.rch *** the.e.challenges is essential for le.e.aging the full potential of big data captured by satellites to transform 21st century agriculture and crop improve.e.t through enviromics.

关键词： envirotyping precision breeding genotype.e.vironment interactions remote sensing predictive models enviromic information

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