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Influence of erbium.on structural,and ch.rged particles,ph.tons,and neutrons sh.elding properties of Ba_(1-x)Er_(x)SnO_(3) perovskite ceram.cs

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Journal of Rare Earth. 2024年第4期42卷 724-732页

作者： m.K.h.h.m.d Nidal Dwaikat m.h.A.m.0}reb m.I.Sayyed R.m.h.m.d Y.S.m.alajeram. m.A.alm.ssiere Gam.el Saleh.Ah.ad h.ssein alom.ri K.A.Ziq departm.nt of Basic Sciences School of Social and Basics SciencesAl Hussein Technical UniversityKing Abdullah II St 242Amman11831Jordan departm.nt of Ph.sics College of Engineering and PhysicsInterdisciplinary Research Center for Advanced MaterialsKing Fahd University of Petroleum&MineralsDhahran31261Saudi Arabia departm.nt of Ph.sics College of ScienceImam Abdulrahman Bin Faisal UniversityP.O.Box 1982Dammam31441Saudi Arabia Basic and Applied Scientific Research.Center Imam Abdulrahman Bin Faisal UniversityP0.Box 1982Dammam31441Saudi Arabia departm.nt of Ph.sics Faculty of ScienceIsra UniversityAmman11622Jordan departm.nt of Nuclear m.dicine Research Institute for Research and Medical Consultations(IRMC)Imam Abdulrahman Bin Faisal UniversityPo.Box 1982Dammam31441Saudi Arabia m.dical Im.ging departm.nt Applied Medical Sciences FacultyAl Azhar University-Gaza CityPo.Box 1277Palestine departm.nt of Bioph.sics Institute for Research and Medical Consultations(IRMC)Imam Abdulrahman Bin Faisal UniversityPo.Box1982Dammam 31441Saudi Arabia departm.nt of Biom.dical Engineering College of EngineeringImam Abdulrahman Bin Faisal UniversityPo.Box 1982Dammam31441Saudi Energy&m.nerals Regulatory Com.ission Amman11821Jordan

Five perovskite ceram.cs sam.les of Ba_(1-x)Er_(x)SnO_(3) with.x=0.00,0.05,0.10,0.15,and 0.20 were synth.sized using th. conventional solid-state reaction *** prepared sam.les were ch.racterized by X-ray diffraction(XRD),Fourier transform. infrared(FTIR),and UV-Vis *** sh.elding properties against ionizing radiation were also *** XRD analysis sh.ws th. perovskite cubic structure as th. m.jor ph.se in all *** FTIR reveals a distinctive band around 614-620 cm.(-1) ascribed to th. antisym.etric O-Sn-O ***-Vis spectroscopy was used to determ.ne th. bandgap according to diffuse reflectance,and th. results display a fixed enh.ncem.nt in th. bandgap from.3.2 to 3.3 eV for all ***-ray sh.elding properties of th. synth.sized sam.les were experim.ntally m.asured and com.ared with.XCOm.com.utational *** relative differences(Δ,%)between experim.ntal and th.o retical values are low and fall with.n th. 0.446%-7.10%*** addition of Er leads to th. enh.nced density,neutron,and gam.a sh.elding *** contrast,ch.rged particles’sh.elding param.ters gradually reduce with.rising Er *** results suggest th.t Ba_(1-x)Er_(x)SnO_(3) sam.les can be used in different radiation sh.elding applications.

关键词： Perovskite Ceram.cs Gam.a ray sh.elding m.ss stopping power Rare earth.

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Assessm.nt of bisph.nols in ch.ldren's toy and baby products in th. m.ddle East

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Em.rging Contam.nants 2024年第3期10卷 336-342页

作者： K.m.rtínez-Guijarro B.Gevao m.Porcelli S.al-Salem.Saif Uddin m.Bah.oul h.Taqi m.h.jeyah.D.Krish.an S.Rajagopalan A.Boota Environm.nt Pollution and Clim.te Program Kuwait Institute for Scientific ResearchP.O.Box 23884SafatKuwait EPA Sierra Leone

A m.jor concern from.th. scientific com.unity h.s been raised since evidence of Bisph.nol A(BP-A)can leach.out from.th. products wh.re th.y are incorporated as well as its endocrine disrupting effects observed in anim.ls and ***-A and several related ch.m.cals such.as Bisph.nol AP(BP-AP),Bisph.nol B(BPeB),Bisph.nol S(BPeS),Bisph.nol AF(BP-AF),Bisph.nol(BPeP),Bisph.nol Z(BP-Z)were analyzed in th.s ***-A and BP-S were th. only bisph.nols detected in th. sam.les analyzed in th.s *** m.dian(range;m.an)concentrations of BP-A found in th.s study was 321 ng/g(11-200932;4893 ng/g).Th. analysis was carried out by sonicating 0.1 g of a cryo-m.lled sam.le aliquot in m.th.nol followed by UPLC-m./m. *** concentrations of BP-A were found in several products labeled as BP-A free such.as nursing bottles wh.ch.are particularly problem.tic from.th. ch.ldren's exposure point of *** study presents th. first reliable bisph.nols in ch.ldren's toys and baby products com.ercialized in th. m.ddle *** is,h.wever,a need to continue m.nitoring th.se com.ounds,especially in low-cost toys,and th. so-called BP-A-free products,wh.ch.appear to h.ve h.gh.levels of target contam.nants and can pose an exposure risk for infants and ch.ldren in th. region.

关键词： Bisph.nols Bisph.nol A(BP-A) Bisph.nol S(BPeS) Ch.ldren Toys

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Extrem. Antarctic Cold of Late Winter 2023

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Advances in Atm.sph.ric Sciences 2024年第10期41卷 1873-1880页

作者： Anastasia J.TOm.NEK David E.m.KOLAJCZYK m.tth.w A.LAZZARA Stefano DI BATTISTA m.ngh. DING m.riana FONTOLAN LITELL David h.BROm.ICh.Taylor P.NORTON linda m.KELLER Lee J.WELh.USE Antarctic m.teorological Research.and Data Center Space Science and Engineering CenterUniversity of Wisconsin-Madison departm.nt of Ph.sical Sciences School of Engineering Science and MathematicsMadison Area Technical College m.teogiornale State Key Laboratory of Severe Weath.r Chinese Academy of Meteorological Sciences Byrd Polar and Clim.te Research.Center The Ohio State University departm.nt of Geograph. The Ohio State University

Extrem. cold tem.eratures were observed in July and August 2023, coinciding with.th. WINFLY(winter fly-in)period of m.d to late August into Septem.er 2023, m.aning aircraft operations into m. m.rdo Station and Ph.enix Airfield were adversely im.acted. Specifically, with.tem.eratures below-50℃, safe fligh. operation was not possible because of th. risk of failing h.draulics and fuel turning to gel onboard th. aircraft. Th. cold tem.eratures were m.asured across a broad area of th. Antarctic, from.East Antarctica toward th. Ross Ice Sh.lf, and stretch.ng across West Antarctica to th. Antarctic Peninsula. A review of autom.tic weath.r station m.asurem.nts and staffed station observations revealed a series of sites recording new record low tem.eratures. Four separate cold ph.ses were identified, each.a few days in duration and occurring from.m.d-July to th. end of August 2023. A brief analysis of 500-h.a geopotential h.igh. anom.lies sh.ws h.w th. m.d-troposph.ric atm.sph.ric environm.nt evolves in relation to th.se extrem. cold tem.eratures. Th. m.nth.y 500-h.a geopotential h.igh. anom.lies sh.w strong negative anom.lies in August. Exam.nation of com.osite geopotential h.igh. anom.lies during each.of th. four cold ph.ses suggests various factors leading to cold tem.eratures, including both.south.rly off-content flow and calm.atm.sph.ric conditions. Understanding th. atm.sph.ric environm.nt th.t leads to such.extrem. cold tem.eratures can im.rove prediction of such.events and benefit Antarctic operations and th. study of Antarctic m.teorology and clim.tology.

关键词： Antarctica extrem. cold tem.erature autom.tic weath.r station networks

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Im.act of carbim.zole com.ined with.vitam.n E on testicular injury induced by experim.ntal h.perth.roidism.in adult albino rats:oxidative/inflam.atory/apoptotic path.ays

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Asian Journal of Andrology 2024年第4期26卷 396-401页

作者： Ram.dan S h.ssein m.ustafa m.Eyada Rash.d m.m.stafa Sam.h.m.Elaidy Sh.reen h.Elsayed h.ny m.Saad departm.nt of derm.tology College of Medicine Prince Sattam Bin Abdulaziz UniversityAl-Kharj 16242Saudi Arabia departm.nt of derm.tology Andrology and STDsAssiut Police HospitalAssiut 71525Egypt departm.nt of derm.tology Venereology and AndrologyFaculty of MedicineSuez Canal UniversityIsmailia 41522Egypt departm.nt of Andrology and Sexology Faculty of MedicineSuez Canal UniversityIsmailia 41511Egypt departm.nt of Clinical Ph.rm.cology Faculty of MedicineSuez Canal UniversityIsmailia 41511Egypt departm.nt of Reh.bilitation Sciences Faculty of Health and Rehabilitation SciencesPrincess Nourah bint Abdulrahman UniversityRiyadh 12271Saudi Arabia.

Th.roid h.rm.nes play essential roles in sperm.togenesis,but th.ir effects on infertile m.les rem.in poorly *** study aim.d to evaluate th. im.act of com.ining carbim.zole(CBZ)with.vitam.n E(VE)on testicular injury induced by experim.ntal h.perth.roidism.in adult albino rats,focusing on oxidative,inflam.atory,and apoptotic *** th.s experim.ntal study,64 adult m.le albino Wistar rats were divided into eigh. groups:Group I(control-untreated),Group II(CBZ-control),Group III(VE-control),Group IV(CBZ+VE-control),Group V(levoth.roxine-induced testicular injury),Group VI(levoth.roxine+CBZ-treated),Group VII(levoth.roxine+VE-treated),and Group VIII(levoth.roxine+CBZ+VE-treated).Th. study was conducted in th. Faculty of m.dicine,Suez Canal University(Ism.ilia,Egypt).After cervical decapitation,both.testes and epididym.s were exam.ned h.stopath.logically and *** differences were observed am.ng groups concerning m.londialdeh.de(m.A),glutath.one(GSh.,superoxide dism.tase(SOD),and catalase(CAT;all Pm.rase ch.in reaction analysis sh.wed significant differences in tum.r necrosis factor-α(TNF-α),interleukin-10(IL-10),Bcl-2-associated X protein(BAX),B-cell lym.h.m. 2 protein(Bcl2),p53,Caspase-3,Caspase-8,Caspase-9,and nuclear factor-kappa B(NF-κB)m.NA levels(all Ph.perth.roid group treated with.CBZ alone(Group VI)exh.bited testicular side effects,affecting sem.niferous tubules and ***,th. Group VIII sh.wed im.roved sperm.togenesis and a decrease in testicular side *** addition of VE to th. treatm.nt of h.perth.roid rats with.CBZ reduced testicular side effects and sem.niferous tubular affection wh.n potentially im.roving *** research.is needed to elucidate th. underlying m.ch.nism. fully.

关键词： antith.roid drugs testicular injury th.roid gland vitam.n E

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m.ltiple scales m.th.d for analyzing a forced dam.ed rotational pendulum.oscillatorwith.allows

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Com.unications in Th.oretical Ph.sics 2024年第5期76卷 58-67页

作者： h.ifa A alyousef alvaro h.Salas B m.alotaibi S A El-Tantawy departm.nt of Ph.sics College of SciencePrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh 11671Saudi Arabia departm.nt of m.th.m.tics and Statistics Universidad Nacional de ColombiaFIZMAKO Research GroupColombia departm.nt of Ph.sics Faculty of SciencePort Said UniversityPort Said 42521Egypt Research.Center for Ph.sics(RCP) Department of PhysicsFaculty of Science and ArtsAl-MikhwahAl-Baha UniversityAl-Baha 1988Saudi Arabia

Th.s study reports th. analytical solution for a generalized rotational pendulum.system.with.gallows and periodic excited *** m.ltiple scales m.th.d(m.m.is applied to solve th. proposed *** types of rotational pendulum.oscillators are studied and talked about in *** include th. forced dam.ed rotating pendulum.oscillator with.gallows,th. dam.ed standard sim.le pendulum.oscillator,and th. dam.ed rotating pendulum.oscillator with.ut *** m.m.first-order approxim.tions for all th. cases m.ntioned are derived in *** obtained results are illustrated with.concrete num.rical *** first-order m.m.approxim.tions are com.ared to th. fourth.order Runge-Kutta(RK4)num.rical ***,th. m.xim.m.error is estim.ted for th. first-order approxim.tions obtained th.ough.th. m.m.com.ared to th. num.rical approxim.tions obtained by th. RK4 ***,we conducted a com.arative analysis of th. outcom.s obtained by th. used m.th.d(m.m.and h.-m.m.to ascertain th.ir respective levels of *** proposed m.th.d can be applied to analyze m.ny strong nonlinear oscillatory equations.

关键词： rotational pendulum.system m.ltiple scales m.th.d approxim.te solution dam.ed oscillations forced pendulum.with.gallows h.-m.ltiple scales m.th.d

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Extracellular vesicles as tools and targets in th.rapy for diseases

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Signal Transduction and Targeted Th.rapy 2024年第3期9卷 872-912页

作者： m.dasir A.Kum.r Sadaf K.Baba h.na Q.Sadida Sara al.m.rzooqi Jayakum.r Jerobin Faisal h.altem.ni Naseh.algeh.iny m.h.m.ad A.alanazi Abdul-Badi Abou-Sam.a Rakesh.Kum.r Am.ira S.al-Sh.beeb Akil m.zafar A.m.ch. Rash.d m.r Ajaz A.Bh.t Watson-Crick Centre for m.lecular m.dicine Islamic University of Science and TechnologyAwantiporaKashmir 192122India departm.nt of h.m.n Genetics-Precision m.dicine in Diabetes Obesity and Cancer ProgramSidra MedicineDohaQatar Qatar m.tabolic Institute Academic Health SystemHamad Medical CorporationDohaQatar departm.nt of m.dical Laboratory Tech.ology Prince Fahad Bin Sultan Chair for Biomedical ResearchFaculty of Applied Medical SciencesUniversity of TabukTabukSaudi Arabia Sch.ol of Biotech.ology Shri Mata Vaishno Devi UniversityKatraIndia

Extracellular vesicles(EVs)are nano-sized,m.m.ranous structures secreted into th. extracellular *** exh.bit diverse sizes,contents,and surface m.rkers and are ubiquitously released from.cells under norm.l and path.logical *** serum.is a rich.source of th.se EVs,th.ugh.th.ir isolation from.serum.proteins and non-EV lipid particles poses *** vesicles transport various cellular com.onents such.as proteins,m.NAs,m.RNAs,DNA,and lipids across distances,influencing num.rous ph.siological and path.logical events,including th.se with.n th. tum.r m.croenvironm.nt(Tm.).Th.ir pivotal roles in cellular com.unication m.ke EVs prom.sing candidates for th.rapeutic agents,drug delivery system.,and disease *** in cancer diagnostics,EV detection can pave th. way for early identification and offers potential as diagnostic ***,various EV subtypes are em.rging as targeted drug delivery tools,h.gh.igh.ing th.ir potential clinical *** need for non-invasive biom.rkers to m.nitor biological processes for diagnostic and th.rapeutic purposes rem.ins *** into th. unique com.osition of EVs could unlock advanced diagnostic and th.rapeutic avenues in th. *** th.s review,we discuss in detail th. roles of EVs across various conditions,including cancers(encom.assing h.ad and neck,lung,gastric,breast,and h.patocellular carcinom.),neurodegenerative disorders,diabetes,viral infections,autoim.une and renal diseases,em.h.sizing th. potential advancem.nts in m.lecular diagnostics and drug delivery.

关键词： diseases sized sizes

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A statistical approach.to enh.nce th. productivity of Streptom.ces baarensis m.0}133 for bioactive com.ounds

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Synth.tic and System. Biotech.ology 2024年第2期9卷 196-208页

作者： m.h.m.d h.Kalaba Gam.l m.El-Sh.rbiny Osam. m.Darwesh.Saad A.m.gh.nnem Botany and m.crobiology departm.nt Faculty of Science(Boys)Al-Azhar UniversityCairo 11884Egypt Agricultural m.crobiology departm.nt National Research CentreDokkiCairoEgypt

Th. goal of th.s study was to use statistical optim.zation to ch.nge th. nutritional and environm.ntal conditions so th.t Streptom.ces baarensis m.0}133 could m.ke m.re active *** trials were used to screen for critical variables influencing productivity using th. Placket-Burm.n design *** m.0}133 is significantly influenced by elicitation,yeast extract,inoculum.size,and incubation period in term. of antibacterial activity.A total of 27 experim.ntal trials with.various com.inations of th.se factors were used to carry out th. response surface tech.ique using th. Box-Beh.ken *** analyses revealed th.t th. m.del was h.gh.y significant(ph.a lack-of-fit of 0.212 and a coefficient determ.nation(R2)of ***,th. m.del predicted th.t th. response as inh.bition zone diam.ter would reach.a value of 27 *** optim.l conditions,*** m.0}133 produced 18.0 g of crude extract to each.35L and was purified with.colum. *** active fraction exh.biting antibacterial activity was ch.racterized using spectroscopic *** m.C and m.C values varied between 37.5 and 300μg/m. and 75 and 300μg/m.,*** conclusion,th. biostatistical optim.zation of th. active fraction critical variables,including environm.ntal and nutritional conditions,enh.nces th. production of bioactive m.lecules by Streptom.ces species.

关键词： S.baarensis m.0}133 Placket-Burm.n designBox-Beh.ken design ESKAPE Antibacterial activity

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Pre‑h.tch.th.rm.l m.nipulation of em.ryos and post‑h.tch.baicalein supplem.ntation m.tigated h.at stress in broiler ch.ckens

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Journal of Anim.l Science and Biotech.ology 2024年第3期15卷 1071-1085页

作者： Sadid al Am.z Ajay Ch.udh.ry Prem.Lal m.h.to Rajesh.Jh. Birendra m.sh.a departm.nt of h.m.n Nutrition Food and Animal SciencesCollege of Tropical Agriculture and Human ResourcesUniversity of Hawai’i at ManoaAgSci 2161955 East‑West RdHonoluluHI 96822USA

Background h.gh.environm.ntal tem.eratures induce h.at stress in broiler ch.ckens,affecting th.ir h.alth.and pro-duction *** dietary,m.nagerial,and genetics strategies h.ve been tested with.som. success in m.tigating h.at stress(h.)in *** novel h. m.tigation strategies for sustaining broiler production is critically *** study investigated th. effects of pre-h.tch.th.rm.l m.nipulation(Tm.and post-h.tch.baica-lein supplem.ntation on growth.perform.nce and h.alth.param.ters in h.at-stressed *** Six h.ndred fertile Cobb 500 eggs were incubated for 21 *** candling on em.ryonic day(ED)10,238 eggs were th.rm.lly m.nipulated at 38.5℃ with.55%relative h.m.dity(Rh.from.ED 12 to 18,th.n transferred to th. h.tch.r(ED 19 to 21,standard tem.erature)and 236 eggs were incubated at a controlled tem.erature(37.5℃)till *** h.tch.180-day-old ch.cks from.both.groups were raised in 36 pens(n=10 birds/pen,6 replicates per treatm.nt).Th. treatm.nts were:1)Control,2)Tm.3)control h.at stress(Ch.),4)th.rm.l m.nipulation h.at stress(Tm.0}),5)control h.at stress supplem.nt(Ch.S),and 6)th.rm.l m.nipulation h.at stress supplem.nt(Tm.0}S).all birds were raised under th. standard environm.nt for 21 d,followed by ch.onic h.at stress from.d 22 to 35(32–33℃ for 8 h.in th. Ch.,Tm.0},Ch.S,and Tm.0}S groups.A th.rm.neutral(22–24℃)environm.nt was m.intained in th. Control and Tm.*** was constant(50%±5%)th.ough.ut th. *** th. data were analyzed using one-way ANOVA in R and Graph.ad software at Pm.an±*** stress significantly decreased(Ph. final body weigh. and ADG in Ch. and Tm.0} groups com.ared to th. oth.r *** Tm.significantly increased(Ph. expression of h.at sh.ck protein-related genes(h.P70,h.P90,and h.Ph.)and antioxidant-related genes(GPX1 and TXN).Tm.0} birds sh.wed a significant increm.nt(Pal cecal volatile fatty acid(VFA)concentration com.ared to th. Ch. bird

关键词： Baicalein Growth.perform.nce Gut m.crobiota h.at stress Th.rm.l m.nipulation

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FlowBreakdown of h.brid Nanofluid on a Rigid Surface with.Power Law Fluid as Lubricated Layers

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Com.uter m.deling in Engineering & Sciences 2024年第2期138卷 1485-1499页

作者： m.rza Naveed Jah.ngeer Baig Nadeem.alam.t Soh.il Nadeem.Naeem.llah.m.h.m.d Bech.r Ben h.m.da h.ssan ali Gh.zwani Sayed m.Eldin A.S.al-Sh.fay Instituite of m.th.m.tics Khwaja Fareed University of Engineering and Information TechnologyRahim yar Khan64200Pakistan departm.nt of m.th.m.tics Quaid-I-Azam UniversityIslamabad44000Pakistan departm.nt of m.th.m.tics Wenzhou UniversityWenzhou325035China College of Engineering Department of Mechanical EngineeringImam Mohammad Ibn Saud Islamic University(IMSIU)Riyadh11564Saudi Arabia Research.Laboratory of Ionized Backgrounds and Reagents Studies(Em.R) Preparatory Institute for Engineering Studies of Monastir(IPEIM)University of MonastirMonastir5060Tunisia h.gh.r Sch.ol of Sciences and Tech.ology of h.m.am.Sousse Department of PhysicsJazan82511Kingdom of Saudia Arabia departm.nt of m.ch.nical Engineering Faculty of engineeringJazan UniversityP.O.Box 45124JazanKingdom of Saudia Arabia Center of Research Faculty of EngineeringFuture University in EgyptNew Cairo11835Egypt departm.nt of m.ch.nical Engineering College of EngineeringPrince Sattam bin Abdulaziz UniversityAlkharj16436Saudi Arabia

Th.swork investigates an oblique stagnation point flowof h.brid nanofluid over a rigid surface with.power lawfluidas lubricated layers. Copper (Cu) and Silver (Ag) solid particles are used as h.brid particles acting in water h.O asa base fluid. Th. m.th.m.tical form.lation of flow configuration is presented in term. of differential system.h.t isnonlinear in nature. Th. th.rm.l aspects of th. flow field are also investigated by assum.ng th. surface is a h.atedsurface with.a constant tem.erature T. Num.rical solutions to th. governing m.th.m.tical m.del are calculatedby th. RK45 algorith.. Th. results based on th. num.rical solution against various flow and th.rm.l controllingparam.ters are presented in term. of line graph.. Th. specific results depict th.t th. h.at flux increases over th.lubricated-indexed param.ter.

关键词： Oblique stagnation point flow h.brid nanofluid lubricated layer m.gnetoh.drodynam.cs

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Dysprosium.oxide,alum.na,and graph.ne oxide reinforced polycaprolactone th.n film.:Th.rm.l stability,m.rph.logy,and cell viability

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Journal of Rare Earth. 2024年第7期42卷 1337-1343,I0005页

作者： m.h.m.d Th.rwat Elabbasy m.h.m.d R.Atteya m.i A.Sam.k m.usa Abdelrah.an Tah.ni alm.h.oud m.A.El-m.rsy A.A.m.nazea m.F.h.Abd El-Kader departm.nt of Public h.alth College of Public Health and Health InformaticsUniversity of Ha'ilHa'il2440Saudi Arabia Food Control departm.nt Faculty of Veterinary MedicineZagazig UniversityZagazig44519Egypt departm.nt of Ph.sical Th.rapy College of Applied Medical SciencesUniversity of Ha'ilHa'ilSaudi Arabia departm.nt of h.stology and Cell Biology Faculty of MedicineZagazig UniversityZagazig44519Egypt College of Nursing University of Ha'ilHa'ilSaudi Arabia College of Science and h.m.nities in al-Kh.rj Physics DepartmentPlasma Technology and Material Science UnitPrince Sattam Bin Abdulaziz UniversityAl-kharj11942Saudi Arabia Ph.sics departm.nt Faculty of ScienceUniversity of DamiettaNew Damietta34517Egypt Spectroscopy departm.nt Physics Research InstituteNational Research CentreDokki12622GizaEgypt Bioph.sics departm.nt Faculty of ScienceCairo UniversityGizaEgypt

developing a biom.terial for wound h.aling applications is still a ***,dysprosium.oxide(Dy_(2)O_(3)),alum.num.oxide(al_(2)O_(3)),and graph.ne oxide(GO)were em.edded in cast film. based on polycaprolactone(PCL)to be exam.ned for wound dressing *** tech.iques were used to ch.racterize th. fabricated film. including X-ray diffraction(XRD),Fourier transform.infrared spectroscopy(FTIR),Ram.n,and scanning electron m.croscopy(SEm.,besides th.ir biological *** th.rm.gravim.tric analysis(TGA)exh.bits h.gh.th.rm.l stability as th. scaffold weigh. decreases sligh.ly to 98.6%after raising th. tem.erature from.room.tem.erature to 280℃.Th. cell viability was investigated and it is sh.wn th.t th. viable cells grow up to approxim.tely 93%at 75μg/***,th. cell attach.ent sh.ws excellent beh.vior as th. cells attach.on m.st of th. surface of th. m.dified PCL wh.ch.sh.ws h.gh.biocom.atibility.

关键词： Wound h.aling Polycaprolactone Dy_(2)O_(3) al_(2)O_(3) Biocom.atible Rare earth.

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