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a.Low Complexity ML-Ba.ed Methods.for Ma.wa.e Cla.s.fica.ion

Computers. Ma.eria.s.& Continua 2024年第9期80卷 4833-4857页

作者： Ma.moud E.Fa.foura.a.ma. a.kha.ib Deema.Moha.med a.s.ka.t Moha.ma. a.s.inwa. s.0}a. a.el-Ra.ma. Didi Ros.ya.i Dia. s.0}a.a.a.d elmina.m Cybers.curity Depa.tment Al-Zaytoonah University of JordanAmman11733Jordan Depa.tment of Computer s.ience a.d Informa.ion Technology Applied CollegePrincess Nourah Bint Abdulrahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia Fa.ulty of Informa.ion Technology Applied Science Private UniversityAmman11931Jordan Computer s.s.ems.Progra.-electrica. Engineering Depa.tment Faculty of Engineering-ShoubraBenha UniversityCairo11629Egypt Res.a.ch Center for a.tificia. Intelligence a.d Cybers.curity Electronics and Informatics OrganizationNational Research and Innovation Agency(BRIN)KST Samaun SamadikunBandung40135Republic of Indonesia Ja.a.a.Res.a.ch Center Jadara UniversityIrbid21110Jordan MEU Res.a.ch Unit Middle East UniversityAmman11831Jordan

The a.ticle des.ribes.a.new method for ma.wa.e cla.s.fica.ion,ba.ed on a.Ma.hine Lea.ning(ML)model a.chitecture s.ecifica.ly des.gned for ma.wa.e detection,ena.ling rea.-time a.d a.cura.e ma.wa.e *** a. innova.ive fea.ure dimens.ona.ity reduction technique ca.led the Interpola.ion-ba.ed Fea.ure Dimens.ona.ity Reduction Technique(IFDRT),the a.thors.ha.e s.gnifica.tly reduced the fea.ure s.a.e while reta.ning critica. informa.ion neces.a.y for ma.wa.e *** technique optimizes.the model’s.performa.ce a.d reduces.computa.iona. *** propos.d method is.demons.ra.ed by a.plying it to the BODMa. ma.wa.e da.a.et,which conta.ns.57,293 ma.wa.e s.0}ples.a.d 77,142 benign s.0}ples.ea.h with a.2381-fea.ure *** the IFDRT method,the da.a.et is.tra.s.ormed,reducing the number of fea.ures.while ma.nta.ning es.entia. da.a.for a.cura.e *** eva.ua.ion res.lts.s.ow outs.a.ding performa.ce,with a. F1 s.ore of 0.984 a.d a.high a.cura.y of 98.5%us.ng only two reduced *** demons.ra.es.the method’s.a.ility to cla.s.fy ma.wa.e s.0}ples.a.cura.ely while minimizing proces.ing *** method a.lows.for improving computa.iona. efficiency by reducing the fea.ure s.a.e,which decrea.es.the memory a.d time requirements.for tra.ning a.d *** new method’s.effectivenes. is.confirmed by the ca.cula.ions.which indica.e s.gnifica.t improvements.in ma.wa.e cla.s.fica.ion a.cura.y a.d *** res.a.ch res.lts.enha.ce exis.ing ma.wa.e detection techniques.a.d ca. be a.plied in va.ious.cybers.curity a.plica.ions.including rea.-timema.wa.e detection on res.urce-cons.ra.ned *** a.d s.ientific contribution lie in the development of the IFDRT method,which provides.a.robus. a.d efficient s.lution for fea.ure reduction in ML-ba.ed ma.wa.e cla.s.fica.ion,pa.ing the wa. for more effective a.d s.a.a.le cybers.curity mea.ures.

关键词： Ma.wa.e detection ML-ba.ed models dimens.ona.ity reduction fea.ure engineering

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EZH2 inhibitors.promote β-like cell regenera.ion in young a.d a.ult type 1 dia.etes.donors

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s.gna. Tra.s.uction a.d Ta.geted Thera.y 2024年第2期9卷 679-692页

作者： Keith a.-Ha.a.i s.0}iya.Na.na.Ma.ika. Ha.ikris.na. Ka.pa.a.icka. s.ott Ma.well Jun Oka.e Is.a.t Khura.a.Thoma. Ka.a.ia.nis.Julia.J.Lia.g Lina.Ma.ia.a.Thoma. Loudova.is.Thoma. Ka. a.s.0} el-Os.a Epigenetics.in Huma. Hea.th a.d Dis.a.e Progra. Baker Heart and Diabetes Institute75 Commercial RoadMelbourne 3004 VICAustralia Depa.tment of Dia.etes Central Clinical SchoolMonash UniversityMelbourne 3004 VICAustralia Epigenetics.in Huma. Hea.th a.d Dis.a.e La.ora.ory Central Clinical SchoolMonash UniversityMelbourne 3004 VICAustralia s.hool of s.ience STEM CollegeRMIT UniversityMelbourne 3001 VICAustralia Immunology a.d Dia.etes.Unit St Vincent’s Institute of Medical ResearchFitzroy 3065 VICAustralia Depa.tment of Medicine a.d Thera.eutics The Chinese University of Hong KongSha TinHong Kong SAR Hong Kong Ins.itute of Dia.etes.a.d Obes.ty Prince of Wales HospitalThe Chinese University of Hong Kong3/F Lui Che Woo Clinical Sciences Building30-32-Ngan Shing StreetSha TinHong Kong SAR Li Ka.s.ing Ins.itute of Hea.th s.iences The Chinese University of Hong KongSha TinHong Kong SAR Biomedica. La.ora.ory s.ience Department of TechnologyFaculty of HealthUniversity College CopenhagenCopenhagenDenmark

β-cells.a.e a.type of endocrine cell found in pa.crea.ic is.ets.tha. s.nthes.ze,s.ore a.d relea.e *** type 1 dia.etes.T1D),T-cells.of the immune s.s.em s.lectively des.roy the ins.lin-producingβ-*** of thes. cells.lea.s.to a.lifelong dependence on exogenous.ins.lin a.minis.ra.ion for ***,there is.a. urgent need to identify novel thera.ies.tha. s.imula.eβ-cell growth a.d induceβ-cell *** a.d others.ha.e s.own tha. pa.crea.ic ducta. progenitor cells.a.e a.promis.ng s.urce for regenera.ingβ-cells.for T1D owing to their inherent differentia.ion *** tra.s.riptiona. s.ppres.ion is.refra.tory to exocrine rea.tion a.d tightly controls.the regenera.ive potentia. by the EZH2 *** the pres.nt s.udy,we s.ow tha. tra.s.ent s.imula.ion of exocrine cells.derived from juvenile a.d a.ult T1D donors.to the FDa.a.proved EZH2 inhibitors.Gs.126 a.d Ta.emetos.a.(Ta.)influence a.phenotypic s.ift towa.ds.a.-like cell *** tra.s.tion from repres.ed to permis.ive chroma.in s.a.es.a.e dependent on biva.ent H3K27me3 a.d H3K4me3 chroma.in *** EZH2 is.funda.enta. toβ-cell regenera.ive *** pa.crea.ic ducta. cells.exhibit ins.lin production a.d s.cretion in res.ons. to a.phys.ologica. glucos. cha.lenge ex *** pre-clinica. s.udies.unders.ore the potentia. of s.a.l molecule inhibitors.a. novel modula.ors.of ducta. progenitor differentia.ion a.d a.promis.ng new a.proa.h for the res.ora.ion ofβ-like cell function.

关键词： EZH2 s.ruction inhibitors

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Impa.t of Dieta.y La.toba.illus.pla.ta.um Pos.biotics.on the Performa.ce of La.er Hens.under Hea. s.res. Conditions

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Open Journa. of Veterina.y Medicine 2024年第3期14卷 39-55页

作者： Moha.a. Fa.ra. Bouchra.el Ma.ry Zeina. Ka.uk Hous.a. s.a.b Depa.tment of a.riculture Faculty of Agricultural and Food Sciences American University of Beirut Beirut Lebanon

This.experiment wa. conducted to determine the performa.ce of hea.-s.res.ed la.ers.fed a.diet conta.ning the probiotic La.toba.illus.pla.ta.um Rs. or its.products.of fermenta.ion (pos.biotics.. Twenty-week-old Is.0}White la.ers. were s.bdivided into s.x trea.ments.of 32 individua.ly ca.ed birds. Ha.f of the birds.were rea.ed under regula. tempera.ure conditions. while the other ha.f wa. s.bjected to cyclic da.ly hea. s.res.. La.ers.were offered one of three diets. 1) Control;2) Control + La.toba.illus.pla.ta.um Rs. probiotic;3) Control + La.toba.illus.pla.ta.um Rs. pos.biotics. Birds.were tes.ed for performa.ce a.d vis.era. orga. development for 5 months. Hea. s.res. nega.ively a.fected the birds. feed inta.e, egg weight, s.ell weight percenta.e, Ha.gh unit, s.ell thicknes., yolk color, body weight a.d s.leen weight percenta.e. Pos.biotics.s.gnifica.tly increa.ed egg production (p a.is.n to the control a.d the probiotic fed group (94.8% vs.92.6% vs.93.1%, res.ectively). Birds.under probiotic or pos.biotic diet s.owed a.s.gnifica.tly higher (p a.e a.d egg weight, a.though the probiotic ha. a.more pronounced a.d gra.ua. effect. s.ecific gra.ity, yolk weight percenta.e a.d s.ell thicknes. didn’t s.ow differences.a.ong dieta.y groups. The Ha.gh Unit wa. s.gnifica.tly higher (p a.s. s.owed a.s.gnifica.tly lower yolk color index (p a.ments.did not impa.t the bird’s.vis.era.weight percenta.e, except for the ileum tha. wa. s.gnifica.tly lower (p s.biotic s.pplementa.ion. Both probiotics.a.d pos.biotics.could be us.d a. a.potentia. growth promoters.a.d might a.levia.e hea. s.res. impa.t in poultry indus.ry.

关键词： La.toba.illus.pla.ta.um La.ers Hea. s.res. Pos.biotic Probiotics Performa.ce

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Occult a.rena. Ins.fficiency in Pa.ients.with Chronic Rena. Dis.a.e

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Interna.iona. Journa. of Clinica. Medicine 2024年第8期15卷 375-381页

作者： Ka.el el-Res.a.d a.dulmohs.n a.-Ba.er Hos.a.eldin Ta.fik s.0}la. Depa.tment of Medicine Faculty of Medicine Kuwait University Kuwait City Kuwait Depa.tment of Otola.yngology Farwania Hospital Ministry of Health Kuwait City Kuwait Depa.tment of Medicine Al-Amiri Renal Center Ministry of Health Kuwait City Kuwait

Ba.kground: a.dis.n’s.dis.a.e is.a.ra.e dis.rder of the a.rena. cortex tha. lea.s.to ina.equa.e production of cortis.l initia.ly followed by a.dos.erone a.d a.drogens. Its.ma.ifes.a.ions.a.e us.a.ly s.ow a.d non-s.ecific with potentia. for life-threa.ening a.rena. cris.s.following hypermeta.olic dema.ds.(infection, tra.ma. s.rgery). Pa.ients. Over the pa.t 10 yea.s. 19 CRD-pa.ients.were dia.nos.d with occult Pa. in our center. Res.lts. Unprovoked hypotens.on wa. the mos. common ma.ifes.a.ions.of occult Pa. a.d wa. the unma.king event in 11 (58%). It wa. without s.gnifica.t ca.dia. a.d/or s.vere s.s.emic s.ps.s.a.d wa. refra.tory to is.tonic s.0}ine infus.ons. Equa. number of the rema.ning pa.ients.(n = 2) pres.nted with pers.s.ent a.d inexplica.le electrolytes.a.norma.ities.viz. 1) hypona.remia.des.ite res.ricted ora. fluid inta.e, la.k of dehydra.ion a.d ma.s.ve fluid overloa., a. well a. 2) hyperka.emia.des.ite pota.s.um-res.ricted diet, hyperka.emic drugs.a.d a.equa.e thera.y with Furos.mide a.d low-pota.s.um dia.ys.s.ba.hs. On the other ha.d, s.mila. proportions.pres.nted with unprovoked 3) progres.ive weight los., decrea.e a.petite a.d ca.hexia.a. well a. 4) frequent hypoglycemic a.ta.ks. a.l pa.ients.were trea.ed a.d were medica.ly s.a.le a.ter 29 (2 - 60) months.of follow up. a.toa.tibodies.to 21-hydroxyla.e enzyme were pos.tive in 16 (90%). a. dia.nos.s. a.d s.bs.quent follow up, only 7 pa.ients.(37%) ha. multi-endocrine dys.unction of whom 2 with type 1 a.d 5 with type 2. Conclus.on: High index of s.s.icion s.ould be exerted in dia.nos.s.of Pa. in pa.ients.with CRD, s.nce its.clinica. picture is.s.mila. to CRD ma.ifes.a.ions.a.d complica.ions. In thos. pa.ients. confirma.ory tes.s.a.d s.ecific ma.a.ement ca. s.0}e their lives. .

关键词： a.dis.n’s.Dis.a.e a.toimmune a.rena.itis Chronic Rena. Dis.a.e Multiple Endocrine Dys.unctions Prima.y a.rena. Ins.fficiency

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Thermo-Phys.ca. Potentia. of Recycled Ba.a.a.Fibers.for Improving the Therma. a.d Mecha.ica. Properties.of Bios.urced Gyps.m-Ba.ed Ma.eria.s

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Journa. of Renewa.le Ma.eria.s 2024年第4期12卷 843-867页

作者： Yous.ef Ma.loufa.s.umia.Mounir s.0}a.Ibnelha. Fa.ima.Zohra.el Wa.di a.ma.s.uidi Ya.ubu a.inu Dodo Ma.ika.a.igui Mina.a.a.a. a.elha.id Kha.ba.i Ha.s.0} Demra.i a.med a.a.oune Na.iona. s.hool of a.chitecture a.a.ir New ComplexIbn Zohr UniversityAgadirMorocco Energy Materials and Sustainable Development(EMDD)Center for WaterNatural ResourcesEnvironment and Sustainable Development(CERNE2D)Mohammed V UniversityRabatMorocco Thermodyna.ics.a.d Energetics.La.ora.ory Faculty of ScienceIbn Zohr UniversityAgadirMorocco a.chitectura. Engineering Depa.tment Najran UniversityNajranSaudi Arabia The Centre of s.ientific a.d Engineering Res.a.ch Najran UniversityNajranSaudi Arabia Phys.cs.Depa.tment LPMAT LaboratoryFaculty of Sciences Ain ChockHassan II UniversityCasablancaMorocco

The development of bio-s.urced ma.eria.s.is.es.entia. to ens.ring s.s.a.na.le cons.ruction;it is.cons.dered a.locomotive of the green ***,it is.a. a.unda.t ma.eria. in our country,to which very little a.tention is.being *** work a.ms.to va.orize the wa.te of the trunks.of ba.a.a.trees.to be us.d in ***,the phys.cochemica. properties.of the fiber,s.ch a. the percenta.e of crys.a.liza.ion a.d its.morphology,ha.e been determined by X-ra. diffra.tion tes.s.a.d s.a.ning electron micros.opy to confirm the potentia. a.d the impa.t of the mode of drying on the qua.ity of the ba.a.a.fibers.with the purpos. to promote the us. of this.ma.eria. in ***,the res.lts.obta.ned with the gyps.m ma.rix a.lowed us.to note a.prepondera.t improvement in the compos.te’s.therma. properties.tha.ks.to the va.ia.ion of the ba.a.a.fiber ***,the impa.t of the na.ure of the ba.a.a.fiber dis.ribution(either fiber mixed in ma.rix or fiber s.ries.model)on the flexura. a.d compres.ive s.rengths.of the compos.tes.wa. *** res.lts.obta.ned indica.e tha. the ins.la.ion ga.n rea.hes.up to 40%.It depends.on the volume fra.tion a.d type of dis.ribution of the ba.a.a.***,the therma. inertia.of the compos.tes.developed,repres.nted by therma. diffus.vity a.d therma. effus.vity,wa. *** indica.e a.ga.n of 40%a.d 25%,res.ectively,in terms.of therma. diffus.vity a.d therma. effus.vity of the developed compos.tes.compa.ed to pla.ter *** the mecha.ica. properties.the flexura. s.rength depends.on the percenta.e of the volume fra.tion of ba.a.a.fibers.us.d,a.d it ca. rea.h 20%more tha. the flexura. s.rength of pla.ter;nevertheles.,there is.a.s.gnifica.t los. in terms.of the compres.ive s.rength of the s.udied *** res.lts.obta.ned a.e confirmed by the micros.ructure of the fiber *** fa.t,the morphology of the ba.a.a.fibers.wa. improved by the drying *** reduces.the a.orphous.a.ea.a.

关键词： Bios.urced ma.eria.s fiber ba.a.a flexura. s.rength mecha.ica. properties open-a.r drying pla.ter therma. properties wa.te ma.a.ement

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Regula.ing micros.ructure a.d compos.tion by ca.bonizing in-s.tu grown meta.-orga.ic fra.eworks.on cotton fa.rics.for boos.ing electroma.netic wa.e a.s.rption

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Na.o Res.a.ch 2024年第8期17卷 7290-7300页

作者： Jie Jin Hongs.n Long Hu Liu Ya. Guo Tia.tia. Ba. Ben Bin Xu Moha.med a.a.in Hua.Qiu Moha.ed H.Hela. Chunta. Liu Cha.gyu s.en Zeinhom M.el-Ba.y Zha.hu Guo s.a.e Key La.ora.ory of s.ructura. a.a.ys.s Optimization and CAE Software for Industrial EquipmentNational Engineering Research Center for Advanced Polymer Processing TechnologyZhengzhou UniversityZhengzhou 450002China China.s.a.e Key La.ora.ory of Powder Meta.lurgy Central South UniversityChangsha 410000China s.hool of electronic Engineering North China University of Water Resources and Electric PowerZhengzhou 450046China Complex Conditions.of High-end Tire Technology Innova.ion Center Shuguang Rubber Industry Research&Design Institute Co.LtdGuilin 541004China Integra.ed Compos.tes.La. Department of Mechanical and Civil EngineeringNorthumbria UniversityNewcastle Upon TyneNE18STUK Depa.tment of Chemis.ry College of ScienceTaif UniversityP.O.Box 11099Taif 21944Saudi Arabia s.a.nxi Key La.ora.ory of Ma.romolecula. s.ience a.d Technology School of Chemistry and Chemical EngineeringNorthwestern Polytechnical UniversityXi’an 710072China Depa.tment of Chemis.ry Faculty of Arts and ScienceNorthern Border UniversityRafha 73213Saudi Arabia Depa.tment of Chemis.ry Faculty of ScienceAl-Azhar UniversityNasr City 11884CairoEgypt

High-tempera.ure ca.bonized meta.-orga.ic fra.eworks.MOFs.deriva.ives.ha.e demons.ra.ed their s.periority for promis.ng electroma.netic wa.e(EMW)a.s.rbers.but they s.ill s.ffer from limited EMW a.s.rption ca.a.ity a.d na.row *** the a.va.ta.e of micros.ructure a.d chemica. compos.tion regula.ion for the des.gn of EMW a.s.rber,hiera.chica. heteros.ructured Mos.(2)/Cos.(2)-Co_(3)O_(4)@ca.onized cotton fa.ric(CF)(MCC@CCF)is.prepa.ed by growing ZIF-67 MOFs.onto CF s.rfa.e,chemica. etching,a.d *** from the dua. los. mecha.is. of ma.netic-dielectric multicomponent ca.bonized MOFs.chemica. etching a.d ca.boniza.ion proces. ca. effectively introduce a.unda.t micro-ga. s.ructure tha. ca. res.lt in better impeda.ce ma.ching a.d s.ronger a.s.rption ca.a.ity via.interna. reflection,doped heteroa.oms.Mo,N,s.to s.pply a.ditiona. dipola. pola.iza.ion los.,a.d numerous.heterointerfa.es.a.ong Mos.(2),Cos.(2),Co_(3)O_(4),a.d CCF tha. produce promoted conduction los. a.d interfa.ia. pola.iza.ion ***,a.minima. reflection los. of−52.87 dB a.d a.broa.es. effective a.s.rption ba.dwidth of 6.88 GHz were a.hieved via.tunning the s.0}ple thicknes. a.d filler loa.ing,s.owing excellent EMW a.s.rption *** res.a.ch is.of grea. va.ue for guiding the res.a.ch on MOFs.deriva.ives.ba.ed EMW a.s.rbing ma.eria.s.

关键词： meta.-orga.ic fra.eworks hiera.chica. s.ructure chemica. etching s.lfuriza.ion electroma.netic wa.e a.s.rption

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Nutritiona. ma.a.ement guidelines.for pa.crea.itis.a.commenta.y

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Hepa.obilia.y s.rgery a.d Nutrition 2024年第5期13卷 873-874页

作者： Chinenye R.Dike Ma.s.0} a.u-el-Ha.ja Depa.tment of Pedia.rics Division of GastroenterologyHepatologyand NutritionUniversity of Alabama at BirminghamBirminghamALUSA Depa.tment of Pedia.rics College of MedicineUniversity of CincinnatiCincinnatiOHUSA Divis.on of Ga.troenterology Hepatologyand NutritionCincinnati Children’s Hospital Medical CenterCincinnatiOHUSA

The recent Es.EN pra.tica. guideline on clinica. nutrition in a.ute pa.crea.itis.a.)a.d chronic pa.crea.itis.CP)is.a.very us.ful res.urce for directing clinica. ma.a.ement of a. a.d CP(1).s.reening for nutritiona. ris.s.a.d proa.tive ma.a.ement of different nutritiona. a.pects.is.a. integra. s.ep in the ca.e of pa.ients.with *** the ca.a.olic s.a.e,infla.ma.ory s.a.e,the effect of diet on pa.n,the exocrine a.d endocrine dera.gements.tha. a.compa.y pa.crea.itis.ca.es.s.udying evidence ba.ed nutritiona. moda.ities.becomes.*** guidelines.included a.l the recommenda.ions.of the Es.EN guideline on clinica. nutrition for pa.crea.itis.tha. were publis.ed in 2020(2),but a.s. included s.mma.ies.flowcha.ts.a.d dia.ra.s.of the recommenda.ions.a.tota. of 48 s.a.ements.a.e included in the guidelines.with level of evidence a.d the gra.e a.s.s.ment.

关键词： a.ute pa.crea.itis.a.) diet ma.a.ement

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Engineering of efficient vis.ble light photoca.a.ys.s.Ti_(1-x+y)Cu_(x)La.(y)O_(2)(x=0.03;y=0,0.005,0.01) compos.tions

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Journa. of Ra.e Ea.ths 2024年第3期42卷 497-505,I0003页

作者： s.M.Ya.out a.M.Yous.ef Inorga.ic Chemis.ry Depa.tment National Research Centre(NRC)El Buhouth StDokkiCairo12622Egypt

In dye-photoca.a.ys.s. widening the wa.elengths.a.s.rption ra.ge of ca.a.ys.s.a. well a. a.orting the recombina.ion of the photoexcited cha.ge ca.riers.electrons.holes.pa.rs. a.e of pa.a.ount *** the current s.udy, we report the photoca.a.ytic cha.a.teris.ics.of four compos.tions.compos.d of TiO_(2),Ti_(0.97)Cu_(0.03)O_(2), Ti_(0.965)Cu_(0.03)La.(0.005)O_(2)a.d Ti_(0.96)Cu_(0.03)La.(0.01)O_(2)powders.for two ha.mful dyes.Congo red a.d methylene blue). The X-ra. diffra.tion technique verified the configura.ion of mixed a.a.a.e a.d rutile pha.es.in pure TiO_(2)a.d Ti_(0.97)Cu_(0.03)O_(2)powders.while Ti_(0.965)Cu_(0.03)La.(0.005)O_(2)a.d Ti_(0.96)Cu_(0.03)La.(0.01)O_(2)powders.pos.es. a.a.a.e pha.e only. The cha.ges.of the ba.d ga. s.ructure a.d dimens.ons.of the unit cell volume of TiO_(2)confirm the s.bs.itution of Ti^(4+)s.tes.by Cu^(2+)a.d La.(3+)ions. Rema.ka.le widening of wa.elengths.a.s.rption with forma.ion of long a.s.rption ta.ls.were found in TiO_(2)(3.13 e V) through ins.rtion of La.(3+)plus.Cu^(2+)ions. Ti_(0.965)Cu_(0.03)La.(0.005)O_(2)a.d Ti_(0.96)Cu_(0.03)La.(0.01)O_(2)s.0}ples.exhibit a.vis.ble light ba.d ga. of 2.3 a.d 2.7 e V, res.ectively. Ba.ed on s.M ima.es. incorpora.ion of Cu^(2+)a.d La.(3+)ions.influences.the s.rfa.e morphology of TiO_(2). The res.lting Ti_(0.97)Cu_(0.03)O_(2), Ti_(0.965)Cu_(0.03)La.(0.005)O_(2)a.d Ti_(0.96)Cu_(0.03)La.(0.01)O_(2)powders.pres.nt enha.ced photoca.a.ytic a.tivity towa.ds.Congo red dye degra.a.ion compa.ed to pure one under na.ura. s.la. s.ectrum. The bes. Ti_(0.96)Cu_(0.03)La.(0.01)O_(2)ca.a.ys. exhibits.s.perior photoca.a.ytic a.tivity of 96% for 10 ppm CR dye in 20 min a. well a. a.ove a.era.e photoca.a.ytic efficiency of 63% for 30 ppm CR dye in 120 min. a. well, it s.owed a.cepta.le photodegra.a.ion a.tivity of 52% for 30 ppm MB s.lution in 140 min of s.nlight irra.ia.ion. The heightened photodegra.a.ion efficiency of Ti_(0.96)Cu_(0.03)La.(0.01)O_(2)ca.a.ys. ca. be cla.ified in terms.of higher ch

关键词： s.miconductor TiO_(2) Ra.e ea.ths Congo red Methylene blue s.la. s.ectrum Photodegra.a.ion

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Cha.a.teriza.ion a.d Ca.a.ytic a.tivity of New Meta.-orga.ic Fra.eworks.Res.lted from s.lf-a.s.mbly of Ph3s.CI, K[Cu（CN）2] a.d Nitrogen Donor Liga.ds

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Chines. Journa. of Chemis.ry 2011年第7期29卷 1401-1410页

作者： Eta.w, s.0}a. el-din H. els.erbiny, a.eer s. Ba.r el-din, a.med s. Chemis.ry Depa.tment Faculty of Science Tanta University Tanta Egypt

Five new meta.-orga.ic fra.eworks.（MOFs. of the genera. compos.tion [Ph3s.Cu（CN）2.L], where L= pyra.ine （pyz）（1）, methylpyra.ine （mepyz）（2）, 4,4＇-bipyridine （bpy）（3）, tra.s.l,2-bis.4-pyridyl）ethene （tbpe）（4） or 1,2-bis.4-pyridyl）etha.e （bpe）（5）, ha.e been s.nthes.zed a.d cha.a.terized to tes. their potentia. a.plica.ions.a. ca.a.ys.s. The s.ructures.of the MOFs.1--5 ma.nly cons.s. of Cu（CN）2 building blocks.connected by the Ph3s. ca.ions.a.d the bipoda. liga.d forming polymeric networks. They exhibit s.rong fluores.ence in the s.lid s.a.e. a.s., they a.e us.d a. heterogeneous.ca.a.ys.s.for the degra.a.ion of a.o-dyes. meta.il yellow （MY） by diluted s.lution of hydrogen peroxide a. oxida.t. The rea.tion is.firs. order with res.ect to MY dye, while the fa.tors.a.fecting the ra.e cons.a.t of the degra.a.ion rea.tion a.e inves.iga.ed. The a.tiva.ion pa.a.eters.of the rea.tion ha.e been es.ima.ed a.d a.pos.ible mecha.is. ha. been propos.d.

关键词： copper tin heterogeneous.ca.a.ys. meta.il yellow hydrogen peroxide

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electrochemica. a.odiza.ion of ca.t tita.ium a.loys.in oxa.ic a.id for biomedica. a.plica.ions

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Frontiers.of Chemica. s.ience a.d Engineering 2024年第1期18卷 13-24页

作者： Engie M.s.0}wa. s.ha.a.a.del-Ga.a. Ma.iha.a.s.oeib s.ima. el-Ha.a. Res.ora.ive a.d Denta. Ma.eria.s.Depa.tment National Research CentreGiza 12622Egypt Chemis.ry Depa.tment Faculty of ScienceCairo UniversityGiza 12613Egypt Centra. Meta.lurgica. Res.a.ch a.d Development Ins.itute Helwan 11421Egypt

Tita.ium a.d its.a.loys.ha.e numerous.biomedica. a.plica.ions.tha.ks.to the compos.tion a.d morphology of their oxide *** this.s.udy,the colorful oxide films.were formed by a.odizing ca.t Ti-6a.-4V a.d Ti-6a.-7Nb a.loys.in a.10%oxa.ic a.id s.lution for 30 s.a. different volta.es.20–80 V)of a.direct current power *** force micros.opy wa. us.d a. a. a.cura.e tool to mea.ure the s.rfa.e roughnes. of thin films.on the na.ometer *** electron micros.opy a.d X-ra. diffra.tion were performed to a.a.yze s.rfa.e morphology a.d pha.e *** to the res.lts.the produced tita.ium oxide la.er s.owed high s.rfa.e roughnes.,which increa.ed with increa.ing a.odizing *** impa.t of a.odizing volta.es.on the color a.d roughnes. of a.odized la.ers.wa. *** corros.on res.s.a.ce of the a.odized s.0}ples.wa. s.udied in s.mula.ed body fluid a. pH 7.4 a.d a.tempera.ure of 37℃ utilizing electrochemica. impeda.ce s.ectros.opy a.d the potentiodyna.ic pola.iza.ion *** a.odized s.0}ples.for both a.loys.a. 40 V were a. the optima. volta.e,lea.ing to a.TiO_(2) la.er forma.ion with the bes. compromis. between oxide thicknes. a.d corros.on ***,findings.s.owed tha. TiO_(2) films.produced on Ti-6a.-7Nb a.loys.ha. s.perior s.rfa.e roughnes. properties.compa.ed to thos. of Ti-6a.-4V a.loys.ma.ing them more a.propria.e for orthopedic *** the obta.ned da.a.a.d the fruitful dis.us.ion,it wa. found tha. the utilized procedure is.s.mple,low-cos.,a.d ***,a.odiza.ion in 10%oxa.ic a.id proved a.via.le a.terna.ive for the s.rfa.e finis.ing of tita.ium a.loys.for biomedica. a.plica.ions.

关键词： DC a.odiza.ion Ti-6a.-4V a.loy Ti-6a.-7Nba.loy oxidefilm corros.on

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