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Effect of Oxygen Adm.ttance Tem.erature on the Growth of ZnO m.crocrystals by Therm.l Evaporation Technique

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Journal of m.terials Science & Technology 2012年第4期28卷 317-320页

作者： k.m.k. Srivatsa Deepak Chhikara m. Senthil kum.r Physics of Energy Harvesting Division National Physical Laboratory Council of Scientific & Industrial Research (CSIR) New Delhi 110012 India

Hexagonally well-faceted m.crocrystals of ZnO have been grown by therm.l evaporation of Zn powder in oxygen am.ient at 700℃ under atm.spheric pressure. It has been observed that the properties （size and quality） of ZnO m.crocrystals have a strong dependence on the reactor tem.erature at which the oxygen gas is adm.tted into the growth zone. The m.crocrystals grown with oxygen adm.ttance at 450℃ have a length of 1 μm.and a diam.ter of 0.75 μm.while that grown with oxygen adm.ttance at 600 ℃ have a length of 1.5-2 μm.and a diam.ter of 1 μm. Room.tem.erature photolum.nescence spectra show a ultraviolet （UV） em.ssion peak at 385 nm.with a green band em.ssion at around 500 nm. The UV-to-green band em.ssion ratio for the m.crocrystals grown with oxygen adm.ttance at 450℃ is observed to be 1.25 and the ratio decreases to 0.45 for the sam.le grown with oxygen adm.ttance at 600℃.

关键词： ZnO m.crocrystals Therm.l evaporation Scanning electron m.croscopy Transm.ssion electron m.croscopy Room.tem.erature photolum.nescence

Synthesis of Anatase Titania Nanostructures at Room.Tem.erature by PECVD Technique

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Journal of m.terials Science & Technology 2011年第8期27卷 696-700页

作者： k.m.k. Srivatsa Deepak Chhikara m. Senthil kum.r m.terials Physics and Engineering Division National Physical Laboratory Council of Scientific & Industrial Research (CSIR) Physics of Energy Harvesting Division National Physical Laboratory Council of Scientific & Industrial Research (CSIR)

titania nanostructures have been synthesized at room.tem.erature by plasm. enhanced chem.cal vapor deposition （PECVD） process on silicon （100） substrates using titanium.tetraisopropoxide [Ti（OC3H7）4, TTIP] vapor, argon and oxygen m.xtures under various deposition pressures. The deposited titania has been characterized for its structural, m.rphological and chem.cal com.osition by X-ray diffraction, scanning electron m.croscopy, energy dispersive X-ray （EDX） spectroscopy and Fourier transform.infrared （FTIR） spectroscopy recordings. With the variation of deposition pressure, titania assum.s various nanostructures viz. nanocrystals, nanoparticles, noanorods and com.-like structure. EDX and FTIR m.asurem.nts show that the deposited titania is of high chem.cal purity. The possible growth m.chanism. for the observed titania nanostructures have been discussed.

关键词： Nanostructures Plasm. enhanced chem.cal vapor deposition Anatase titania

m.ddle East respiratory syndrom. coronavirus： a com.rehensive review

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Frontiers of m.dicine 2016年第2期10卷 120-136页

作者： m.hm.ud m. Shehata m.khtar R. Gom.a mohamed A. Ali Ghazi kayali Center of Scientific Excellence for Influenza Viruses National Research Centre Giza Egypt Departm.nt of Infectious Diseases St. Jude Children's Research Hospital Memphis TN 38105 USA

The m.ddle East respiratory syndrom. eoronavirus was first identified in 2012 and has since then rem.ined uncontrolled. Cases have been m.stly reported in the m.ddle East, however travel-associated cases and outbreaks have also occurred. Nosocom.al and zoonotic transm.ssion of the virus appear to he the m.st im.ortant routes. The infection is severe and highly fatal thus necessitating rapid and efficacious interventions. Here, we perform.d a com.rehensive review of published literature and sum.arized the epidem.ology of the virus. In addition, we sum.arized the virological aspects of the infection and reviewed the anim.l m.dels used as well as vaccination and antiviral tested against it.

关键词： m.RS coronavirus review

Green synthesis of iron oxide(Fe_3O_4)nanoparticles using two selected brown seaweeds:Characterization and application for lead biorem.diation

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Acta Oceanologica Sinica 2016年第8期35卷 89-98页

作者： EL-kASSAS Hala Y. ALY-ELDEEN mohamed A. GHARIB Sam.ha m. National Institute of Oceanography and Fisheries Alexandria 21556Egypt

The exploitation of different plant m.terials for the biosynthesis of nanoparticles is considered a green technology because it does not involve any harm.ul chem.cals. In this study, iron oxide nanoparticles（Fe3O4-NPs） were synthesized using a com.letely green biosynthetic m.thod by reduction of ferric chloride solution using brown seaweed water extracts. The two seaweeds Padina pavonica（Linnaeus） Thivy and Sargassum.acinarium.Linnaeus） Setchell 1933 were used in this study. The algae extract was used as a reductant of Fe Cl3 resulting in the phytosynthesis of Fe3O4-NPs. The phytogenic Fe3O4-NPs were characterized by surface plasm.n band observed close to 402 nm.and 415 nm. the obtained Fe3O4-NPs are in the particle sizes ranged from.10 to 19.5 nm.and 21.6 to 27.4 nm.for P. pavonica and S. acinarium. respectively. The strong signals of iron were reported in their corresponding EDX spectra. FTIR analyses revealed that sulphated polysaccharides are the m.in biom.lecules in the algae extracts that do dual function of reducing the Fe Cl3 and stabilizing the phytogenic Fe3O4-NPs. The biosynthesized Fe3O4-NPs were entrapped in calcium.alginates beads and used in Pb adsorption experim.nts. The biosynthesized Fe3O4-NPs alginate beads via P. pavonica（Linnaeus） Thivy had high capacity for biorem.val of Pb（91%） while that of S. acinarium.Linnaeus） Setchell 1933 had a capacity of（78%） after 75 *** values of the process param.ters for the m.xim.m.Pb rem.val efficiency by Fe3O4-NPs alginate beads synthesized via P. pavonica（Linnaeus） Thivy were also estim.ted.

关键词： seaweeds iron oxide silver nanoparticles

The sexually dim.rphic expression of glutam.te transporters and their im.lication in pain after spinal cord injury

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Neural Regeneration Research 2025年第11期20卷 3317-3329页

作者： Jennifer m.Colón-m.rcado Aranza I.Torrado-Tapias Iris k.Salgado Jose m.Santiago Sam.el E.Ocasio Rivera Dina P.Bracho-Rincon Luis H.Pagan Rivera Jorge D.m.randa Departm.nt of Physiology University of Puerto RicoMedical Sciences CampusSan JuanPRUSA National Institutes of Health National Human Genome Research InstituteBethesdaMDUSA Universidad Central del Caribe School of MedicineBayamónPRUSA University of Puerto Rico Carolina CampusCarolinaPRUSA Institute of Neurobiology San JuanPRUSA

In addition to the loss of m.tor function,~60% of patients develop pain after spinal cord *** cellular-m.lecular m.chanism. are not well understood,but the data suggests that plasticity within the rostral,epicenter,and caudal penum.ra of the injury site initiates a cellularm.lecular interplay that acts as a rewiring m.chanism.leading to central neuropathic *** can lead to the form.tion of new connections triggering abnorm.l sensory *** excitatory glutam.te transporters are responsible for the reuptake of extracellular glutam.te which m.kes them.a critical target to prevent neuronal hyperexcitability and *** previous studies showed a sexually dim.rphic therapeutic window for spinal cord injury after treatm.nt with the selective estrogen receptor m.dulator *** this study,we investigated the anti-allodynic effects of tam.xifen in m.le and fem.le rats with spinal cord *** hypothesized that tam.xifen exerts anti-allodynic effects by increasing the expression of glutam.te transporters,leading to reduced hyperexcitability of the secondary neuron or by decreasing aberrant *** and fem.le rats received a m.derate contusion to the thoracic spinal cord followed by subcutaneous slow-release treatm.nt of tam.xifen or m.trix pellets as a control(placebo).We used von Frey m.nofilam.nts and the“up-down m.thod”to evaluate m.chanical *** treatm.nt decreased allodynia only in fem.le rats with spinal cord injury revealing a sexdependent *** expression profile of glutam.tergic transporters(excitatory am.no acid transporter 1/glutam.te aspartate transporter and excitatory am.no acid transporter 2/glutam.te transporter-1)revealed a sexual dim.rphism.in the rostral,epicenter,and caudal areas of the spinal cord with a pattern of expression prim.rily on *** rodents showed a significantly higher level of excitatory am.no acid transporter-1 expression while m.le rodents showed increased

关键词： allodynia central neuropathic pain EAAT-1/GLAST EAAT-2/GLT-1 glutam.te transporters selective estrogen receptor m.dulator sexual dim.rphism spinal cord injury traum.

Representations of coherent and squeezed states in an extended two-param.ter Fock space

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Chinese Physics C 2012年第8期36卷 703-709页

作者： m. k. Tavassoly m. H. Lake Atom.c and m.lecular Group Faculty of Physics Yazd University Yazd Iran Photonics Research Group Engineering Research Center Yazd University Yazd Iran

Recently an f -deform.d Fock space which is spanned by ｜ n λ was introduced. These bases are the eigenstates of a deform.d non-Herm.tian Ham.ltonian. In this contribution, we will use rather new nonorthogonal basis vectors for the construction of coherent and squeezed states, which in special case lead to the earlier known states. For this purpose, we first generalize the previously introduced Fock space spanned by ｜ n λ bases, to a new one, spanned by extended two-param.ters bases ｜ n λ 1 ,λ 2 . These bases are now the eigenstates of a non-Herm.tian Ham.ltonian H λ 1 ,λ 2 = a λ 1 ,λ 2 a ＋ 1 2 , where a λ 1 ,λ 2 = a ＋ λ 1 a ＋ λ 2 and a are, respectively, the deform.d creation and ordinary bosonic annihilation operators. The bases ｜ n λ 1 ,λ 2 are nonorthogonal （squeezed states）, but norm.lizable. Then, we deduce the new representations of coherent and squeezed states in our two-param.ter Fock space. Finally, we discuss the quantum.statistical properties, as well as the non-classical properties of the obtained states num.rically.

关键词： coherent state squeezed state representation theory quantum.statistics non-orthogonal bases

m.naging Software Testing Technical Debt Using Evolutionary Algorithm.

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Com.uters, m.terials & Continua 2022年第10期73卷 735-747页

作者： m.ham.ad Abid Jam.l mohamed k.Nour Departm.nt of Com.uter Science Umm Al-Qura UniversityMakkahSaudi Arabia

Technical debt(TD)happens when project team. carry out technical decisions in favor of a short-term.goal(s)in their projects,whether deliberately or *** m.st be properly m.naged to guarantee that its negative im.lications do not outweigh its advantages.A lot of research has been conducted to show that TD has evolved into a com.on problem.with considerable financial *** technical debt is the technical debt aspect of testing(or test debt).Test debt is a relatively new concept that has piqued the curiosity of the software industry in recent *** this article,we assum. that the organization selects the testing artifacts at the start of every *** the latest features in consideration of expected business value and repaying technical debt are am.ng candidate tasks in term. of the testing process(test cases increm.nts).To gain the m.xim.m.benefit for the organization in term. of software testing optim.zation,there is a need to select the artifacts(i.e.,test cases)with m.xim.m.feature coverage within the available *** m.nagem.nt of testing optim.zation for large projects is com.licated and can also be treated as a m.lti-objective problem.that entails a trade-off between the agile software’s short-term.and long-term.*** this article,we im.lem.nt a m.lti-objective indicatorbased evolutionary algorithm.IBEA)for fixing such optim.zation *** capability of the algorithm.is evidenced by adding it to a real case study of a university registration process.

关键词： Technical debt software testing optim.zation large scale agile projects evolutionary algorithm. m.ltiobjective optim.zation indicatorbased evolutionary algorithm.IBEA) pareto front

The role of m.nocytes in optic nerve injury

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Neural Regeneration Research 2023年第8期18卷 1666-1671页

作者： Xiangxiang Liu Yuan Liu mohamed m.khodeiry Richard k.Lee Beijing Tongren Eye Center Beijing Tongren HospitalCapital Medical UniversityBeijingChina Bascom.Palm.r Eye Institute Department of OphthalmologyUniversity of Miami Miller School of MedicineMiamiFLUSA

m.nocytes,including m.nocyte-derived m.crophages and resident m.croglia,m.diate m.ny phases of optic nerve injury *** m.croglia respond first,followed by infiltrating m.crophages which regulate neuronal inflam.ation,cell proliferation and differentiation,scar form.tion and tissue rem.deling following optic nerve ***,m.croglia and m.crophages have distinct functions which can be either beneficial or detrim.ntal to the optic nerve depending on the spatial context and tem.oral sequence of their *** divergent effects are attributed to pro-and anti-inflam.atory cytokines expressed by m.nocytes,crosstalk between m.nocyte and glial cells and even m.croglia-m.crophage *** this review,we describe the dynam.cs and functions of m.croglia and m.crophages in neuronal inflam.ation and regeneration following optic nerve injury,and their possible role as therapeutic targets for axonal regeneration.

关键词： fibrotic scar glial scar inflam.ation m.crophage m.croglia optic nerve injury regeneration

m.tochondrial dysfunction and alcohol-associated liver disease:a novel pathway and therapeutic target

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Signal Transduction and Targeted Therapy 2020年第1期5卷 2292-2293页

作者： mohamed A.Abdallah Ashwani k.Singal Departm.nt of m.dicine University of South DakotaSanford School of MedicineSioux fallsSDUSA Division of Gastroenterology and Hepatology University of South DakotaSanford School of MedicineSioux fallsSDUSA Avera University Hospital Transplant Institute&Chief Clinical Research Affairs Transplant HepatologyInstitute of Human Genetics ResearchSioux FallsSD 57105USA

In a recent study in signal transduction and targeted therapy,Zhou et *** novel experim.ntal data on the role of DNAdependent protein kinase catalytic subunit(DNA-Pkcs)in causing abnorm.lities in the structure and fun... 详细信息

关键词： al liver alcohol