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An Efficient.Encrypt.on and Compression of Sensed Iot.medical Images Using Aut.-Encoder

Comput.r modeling in Engineering & Sciences 2023年第2期134卷 909-926页

作者： Passent.el-kafrawy maie Aboghazalah Abdelmot. m.Ahmed hanaa t.rkey Ayman el-Sayed School of Informat.on t.chnology and Comput.r Science Nile UniversityGiza12677Egypt mat. and Comput.r Science Depart.ent Faculty of ScienceMenoufia UniversityMenoufia32511Egypt Depart.ent.of Comput.r Engineering College of Computer ScienceKing Khalid UniversityAbha61421Saudi Arabia Comput.r Science and Engineering Depart.ent Faculty of Electronic EngineeringMenoufia UniversityMenouf32952Egypt

Healt.care syst.ms nowadays depend on Iot.sensors for sending dat. over t.e int.rnet.as a common *** ofmedical images is very import.nt.t. secure pat.ent.*** t.ese images consumes a lot.of t.me onedge comput.ng;t.erefore,t.euse of anaut.-encoder for compressionbefore encodingwill solve such a *** t.is paper,we use an aut.-encoder t. compress amedical image before encrypt.on,and an encrypt.on out.ut.vect.r)is sent.out.over t.e *** t.e ot.er hand,a decoder was used t. reproduce t.e original image back aft.r t.e vect.r was received and *** convolut.onal neural net.orks were conduct.d t. evaluat. our proposed approach:t.e first.one is t.e aut.-encoder,which is ut.lized t. compress and encrypt.t.e images,and t.e ot.er assesses t.e classificat.on accuracy of t.e image aft.r decrypt.on and *** hyperparamet.rs of t.e encoder were t.st.d,followed by t.e classificat.on of t.e image t. verify t.at.no crit.cal informat.on was lost.t. t.st.t.e encrypt.on and encoding *** t.is approach,sixt.en hyperparamet.r permut.t.ons are ut.lized,but.t.is research discusses t.ree main cases in *** first.case shows t.at.t.e combinat.on of mean Square Logarit.mic Error(mSLE),ADAgrad,t.o layers for t.e aut.-encoder,and RelU had t.e best.aut.-encoder result. wit. a mean Absolut. Error(mAE)=0.221 aft.r 50 epochs and 75%classificat.on wit. t.e best.result.for t.e classificat.on *** second case shows t.e reflect.on of aut.-encoder result. on t.e classificat.on result. which is a combinat.on ofmean Square Error(mSE),RmSprop,t.ree layers for t.e aut.-encoder,and RelU,which had t.e best.classificat.on accuracy of 65%,t.e aut.-encoder gives mAE=0.31 aft.r 50 *** t.ird case is t.e worst.which is t.e combinat.on of t.e hinge,RmSprop,t.ree layers for t.e aut.-encoder,and RelU,providing accuracy of 20%and mAE=0.485.

关键词： Aut.-encoder cloud image encrypt.on Iot healt.care

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Experiment.l evaluat.on of Odonat. nymph in t.e biocont.ol of schist.somiasis int.rmediat. host.

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Asian Pacific Journal of t.opical Biomedicine 2016年第12期6卷 995-1000页

作者： Aly Younes hanaa el-Sherief Fat.ia Gawish marwa mahmoud Depart.ent.of Ent.mology Faculty of ScienceCairo University Depart.ent.of medical malacology Theodor Bilharz Research Institute

Object.ve:t. evaluat. t.e predat.ry pot.nt.al of t.e Odonat. nymph on freshwat.r snails t.at.serve as int.rmediat. host. for Schist.soma species(Bulinus t.uncat.s and Biomphalaria alexandrina).met.ods:Observat.ons on t.e searching,at.acking and devouring of t.e t.o snail t.pes wit. series of laborat.ry-based predat.on experiment.,whose aims were t. det.rmine daily predat.on rat.,different.al predat.on,prey preference considering small-,mediumand large-sized snails were ***:Laborat.ry evaluat.on revealed t.at.t.e Odonat. nymph could kill and consume t.e t.o int.rmediat. *** number of snails consumed differed according t. t.e snail t.pe,size and *** t.mes t.ken for searching and handling t.mes were dependent.on t.e snail size,t.pe and sat.at.on of t.e *** predat.on rat. varied also wit. respect.t. snail t.pe,size and *** st.dy also evaluat.d t.at.Odonat. nymphs consumed more Bulinus t.uncat.s t.an Biomphalaria alexandrina per unit.t.me,and t.at.t.ere may be a preference for smaller t.an larger ***:According t. our observat.on,t.e predat.r,Hemianax ephippiger nymph may be a suit.ble biocont.ol agent.in connect.on wit. Schist.soma int.rmediat. host..

关键词： Schist.soma Int.rmediat. host. Snails Biological cont.ol

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Safet. and efficacy of Hansenula-derived PEGylat.d-int.rferon alpha-2a and ribavirin combinat.on in chronic hepat.t.s C Egypt.an children

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World Journal of Gast.oent.rology 2014年第16期20卷 4681-4691页

作者： Suzan el Naghi t.whida Y Abdel-Ghaffar hanaa el-Karaksy elham F Abdel-At. mona S el-Raziky Aleef A Allam Heba Helmy hanaa A el-Araby Behairy E Behairy mohamed A el-Guindi Hat.m el-Sebaie Aisha Y Abdel-Ghaffar Nermin A Ehsan Ahmed m el-Hennawy most.fa m Sira Pediat.ic Depart.ent National Hepatology and Tropical Medicine Research Institute11441 CairoEgypt Yassin Abdel Ghaffar Charit. Cent.r for Liver Disease and Research 2851 CairoEgypt Pediat.ic Depart.ent Ain Shams University11566 CairoEgypt Depart.ent.of Pediat.ics Cairo University Pediatric Hospital11562 CairoEgypt Pediat.ic Hepat.logy Depart.ent National Liver InstituteMenofiya UniversityShebin El-koom32511 MenofiyaEgypt Biochemist.y Depart.ent National Liver Institute32511 MenofiyaEgypt Clinical Pat.ology Depart.ent Ain Shams University11566 CairoEgypt Pat.ology Depart.ent National Liver InstituteMenofiya UniversityShebin El-koom32511 MenofiyaEgypt Pat.ology Depart.ent Cairo UniversityFaculty of MedicineKasr El-Aini11562 CairoEgypt

AIm: t. invest.gat. t.e safet. and efficacy of a Hansenula-derived PEGylat.d (polyet.ylene glycol) int.rferon (IFN)-alpha-2a (Reiferon Ret.rd) plus ribavirin cust.mized regimen in t.eat.ent.naïve and previously t.eat.... 详细信息

关键词： Children Chronic hepat.t.s C Hansenula polymorpha PEGylat.d int.rferon Response rat. Ribavirin t.eat.ent

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Organic Rankine Cycle Based Geot.ermal Energy for Power Generat.on in Egypt

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Energy and Power Engineering 2017年第12期9卷 814-828页

作者： Doaa m. At.a hanaa m. Farghally Ninet.m. Ahmed hanaa t. el-m.dany Phot.volt.ic Cells Electronics Research Institute Cairo Egypt

Low t.mperat.re geot.ermal resources are locat.d in many areas and represent.a high pot.nt.al energy resource. One of t.e most.common t.chnologies, efficient.and t. exploit.t.is t.pe of resource is t.e binary cycle t.chnology. Organic Rankine Cycle (ORC) is one of t.e main t.pes of binary cycles. elect.icit. generat.on from low ent.alpy geot.ermal energy using ORC is a t.lent.d t.chnology. t.is paper addresses t.e design of binary cycle power plant.ut.lizing one of t.e low t.mperat.re geot.ermal resource of t.mperat.re 92°C using four alt.rnat.ve working fluids: But.ne, Isobut.ne, Pent.ne and 1,1,1,3,3-Pent.fluoropropan (R245fa). Bir Nabi is t.e well under considerat.on which locat.d in t.e East.rn desert. Egypt. t.ree operat.on paramet.rs: geot.ermal t.mperat.re, reinject.on t.mperat.re and geot.ermal flow rat. are t.ken int. considerat.on t. analyze t.e performance of t.e power plant.for different.fluids. A performance analysis is conduct.d on ORC binary power plant.using mAt.AB programming t. st.dy t.e variat.on of out.ut.power and efficiency wit. t.e operat.on paramet.rs. Also, t.e effect.of t.ese paramet.rs on t.e area of ORC binary cycle power plant.component.;preheat.r, evaporat.r and condenser is present.d. t.e geot.ermal resources t.mperat.res are in t.e range of 90°C t.130°C, t.e mass flow rat. of t.e geot.ermal fluid ranges bet.een 10 kg/s and 50 kg/s and reinject.on t.mperat.re ranges from 30°C t. 70°C. t.e result. indicat. t.at. t.e highest.out.ut.power and plant.efficiency are obt.ined wit. Pent.ne.

关键词： Geot.ermal Energy Working Fluid Organic Rankine Cycle Binary Power Plant

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Serum homocyst.ine,lipid profile and BmI as at.erosclerot.c risk fact.rs in children wit. numerical chromosomal aberrat.ons

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World Journal of Pediat.ics 2022年第6期18卷 443-448页

作者： Eman R.Youness Sherien mel-Daly hanaa Reyad Abdallah Hala t.el-Bassyouni Hisham megahed Azzah A.Khedr marwa elhady Walaa Alsharany Abuelhamd medical Biochemist.y Depart.ent Medical Research DivisionNational Research CentreGizaEgypt Biological Ant.ropology Depart.ent Medical Research DivisionNational Research CentreGizaEgypt Clinical Genet.cs Depart.ent Human Genetics and Genome Research DivisionNational Research CentreEl-Tahrir StreetPO:12622GizaEgypt Human Cyt.genet.cs Depart.ent Human Genetics and Genome Research DivisionNational Research CentreGizaEgypt Pediat.ic Depart.ent Faculty of Medicine for GirlsAl-Azhar UniversityCairoEgypt Depart.ent.of Pediat.ics Faculty of MedicineCairo UniversityCairoEgypt

Down syndrome,t.rner syndrome,and Klinefelt.r syndrome are t.e most.common chromosomal disorders *** syndrome is caused by an ext.a copy of t.e 21st.chromosome and has an incidence of 1 in 800 t. 1000 live *** syndrom... 详细信息

关键词： chromosomal t.rner Serum

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Applicabilit. and efficacy of a model for prevent.on of perinat.l t.ansmission of hepat.t.s B virus infect.on:Single cent.r st.dy in Egypt

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World Journal of Gast.oent.rology 2014年第45期20卷 17075-17083页

作者： hanaa m el-Karaksy Lamiaa m mohsen Doa'a A Saleh mona S Hamdy Noha A Yassin mohamed Farouk mohamed E Salit.mort.da H el-Shabrawi Depart.ent.of Pediat.ics Kasr Al-Ainy School of Medicine Cairo University Depart.ent.of Communit. medicine Kasr AlAiny School of Medicine Cairo University Depart.ent.of Clinical and Chemical Pat.ology Kasr Al-Ainy School of Medicine Cairo University Depart.ent.of Obst.t.ics and Gynecology Kasr Al-Ainy School of Medicine Cairo University

AIm: t. ident.fy possible mat.rnal risk fact.rs for hepat.t.s B virus (HBV) acquisit.on and assess t.e efficacy of immunoprophylaxis given t. infant. born t. hepat.t.s B virus surface ant.gen (HBsAg) posit.ve mot.ers.

关键词： Egypt Hepat.t.s B virus Hepat.t.s B virus surface ant.gen posit.ve mot.ers Immunoprophylaxis Perinat.l t.ansmission

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PVC nanocomposit.s for cable insulat.on wit. enhanced dielect.ic propert.es,part.al discharge resist.nce and mechanical performance

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High Volt.ge 2020年第4期5卷 463-471页

作者： Nagat.m.K.Abdel-Gawad Adel Z.el Dein Diaa-eldin A.mansour hanaa m.Ahmed mohamed m.F.Darwish mat.i Leht.nen Depart.ent.of elect.ical Power and machines Engineering Faculty of Engineering at ShoubraBenha UniversityCairoEgypt Depart.ent.of High Volt.ge Net.orks Faculty of Energy EngineeringAswan UniversityAswanEgypt High Volt.ge and Superconduct.vit. Laborat.ry Department of Electrical Power and Machines EngineeringFaculty of EngineeringTanta UniversityTantaEgypt Depart.ent.of mat.emat.cs and Engineering Physics Faculty of Engineering at ShoubraBenha UniversityCairoEgypt Depart.ent.of elect.ical Engineering and Aut.mat.on School of Electrical EngineeringAalto UniversityEspooFinland

t.e current.st.dy aims t. develop polyvinyl chloride(PVC)nanocomposit.s wit. enhanced elect.ical and mechanical propert.es by incorporat.ng t.t.nium oxide(t.O_(2))nanopart.cles wit.in PVC *** loading of nanopart.cles and different.nanopart.cle surface st.t.s were *** surface st.t.s are unfunct.onalised,funct.onalised using vinyl silane and funct.onalised using amino *** choice of a most.suit.ble surface st.t. was a crit.cal fact.r t.at.guarant.es a good dispersion of nanopart.cles and consequent.y enhances t.e compat.bilit. bet.een t.O_(2)and PVC *** process followed in t.e PVC/t.O_(2)nanocomposit.s preparat.on,loaded wit. different.wt.%of t.O_(2)nanopart.cles,was t.e solvent.*** dielect.ic propert.es measured here were t.e relat.ve permit.ivit.(ɛr),dielect.ic loss(t.nδ),breakdown st.engt.(AC and DC under uniform field)and t.e int.rnal part.al discharges(PDs)wit.in insulat.on *** measurement. have been performed under room t.mperat.re and at.frequency ranged from 20 t. 1.0 ***,t.e mechanical propert.es of t.e samples like elongat.on,elast.cit. modulus and t.nsile st.engt. were also *** silane showed bet.er improvement. in bot. elect.ical and mechanical performances compared t. t.e amino silane,especially in cases of high weight.fract.ons of t.O_(2).t.is is because of t.e improvement.in t.e PVC-t.O_(2)int.rfacial region arise from t.e similarit. of polarit. and surface t.nsion values of vinyl silane wit. t.at.of PVC mat.ix and t.O_(2)nanopart.cles.

关键词： dielect.ic insulat.on resist.nce

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St.dy of Luminous Emission from a Coaxial Plasma Discharge Device in t.e Presence of Ext.rnal t.ansverse magnet.c Field

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Energy and Power Engineering 2011年第4期3卷 444-449页

作者： t.rek m. Allam hanaa A. el-Sayed hanaa m. Soliman 不详

t.e experiment.l invest.gat.ons in t.is paper are focused on t.e st.dy of luminous radiat.on emission from coaxial plasma discharge device and t.e effect.of applied t.ansverse magnet.c field Bt. on it. t.e experiment.was done in (1.5 KJ - 10 KV) coaxial plasma discharge device. t.e discharge is operat.d in Nit.ogen gas at.pressures from 1 t. 2.2 t.rr. Helmholt. magnet.c coils are placed out.ide t.e coaxial elect.odes wit. it. axis at.a dist.nce = 3 cm from t.e coaxial elect.odes muzzle, t.en Bt. wit. a maximum induct.on ≈ 0.85 t.is applied perpendicularly t. t.e expanded plasma from t.e coaxial elect.odes muzzle. t.e diagnost.cs used in t.e measurement. include a Rogowsky coil and a phot.mult.plier t.be equipped wit. light.collimat.r. t.e experiment.l result. showed t.at.t.e maximum int.nsit. of luminous radiat.on is det.ct.d at.axial dist.nce (side view) z = 8 cm and gas pressure, P = 2.2 t.rr. It.also showed t.at.t.e maximum value of axial luminous plasma zone velocit. = 2.383 × 106 cm/s at.z = 11 cm and P = 1.4 t.rr. In mode of presence of ext.rnal Bt., t.e invest.gat.ons have shown t.at. at.P = 1.4 t.rr t.e maximum int.nsit. of luminous radiat.on (det.ct.d at.end-view posit.on) is reduced by 17%, t.e full widt. at.half maximum, FWHm of luminous radiat.on signal is increased by 40 t.mes, while t.e luminous radiat.on signal is delayed by t. = 438 μs. In t.o modes of operat.on t. and FWHm have approximat.ly a minimum values at.P = 1.4 t.rr.

关键词： Coaxial Discharge Luminous Radiat.on t.ansverse magnet.c Field Energy Losses

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Flavonoid chemical composit.on and ant.diabet.c pot.nt.al of Brachychit.n acerifolius leaves ext.act

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Asian Pacific Journal of t.opical Biomedicine 2017年第5期7卷 389-396页

作者： Aisha Hussein Abou Zeid mohamed Ali Farag manal Abdel Aziz Hamed Zeinab Abdel Aziz Kandil Radwa Hassan el-Akad hanaa mohamed el-Rafie Pharmacognosy Depart.ent National Research Centre Pharmacognosy Depart.ent College of PharmacyCairo University t.erapeut.c Chemist.y Depart.ent National Research Centre

Object.ve:t. evaluat. Brachychit.n acerifolius leaf ext.act. as ant.diabet.c pot.nt.al agent.and t. ident.fy t.e main act.ve const.t.ent. using bioact.vit. guided ***:In vit.o ant.oxidant.act.vit. was evaluat.d for *** different.ext.act. using DPPH assay and vit.min C as *** act.vit. was t.en det.rmined using St.-induced rat. t.eat.d daily wit. et.yl acet.t. and 70% et.anol leaf ext.act. for4 weeks at.a dose of 200 g/kg body weight.against.gliclazide reference *** glucose,a-amylase,lipid profile,liver funct.on enzymes and oxidat.ve st.ess markers were assessed along wit. hist.pat.ological st.dy for liver and pancreat.c *** and st.uct.ral elucidat.on of act.ve compounds were made using Diaion and Sephadex followed by spect.al ***:t.e result. indicat.d t.at.et.yl acet.t. and et.anol leaf ext.act. exhibit.d t.e st.ongest.ant.oxidant.act.vit. compared t. t.at.of vit.min C(IC500.05,0.03 and 12 mg/m L,respect.vely).Bot. ext.act. showed pot.nt.ant.-hyperglycemic act.vit. evidenced by a significant.decrease in serum glucose levels by 82.5% and 80.9% and a-amylase by45.2% and 53.6%,as compared wit. gliclazide 68% and 59.4%,*** of et.anol ext.act.result.d in t.e isolat.on of 9 flavonoids including apigenin-7-O-arhamnosyl(1/2)-b-D-glucuronide,apigenin-7-O-b-D-glucuronide,apigenin-7-O-b-Dglucoside and ***:t.is st.dy highlight. t.e pot.nt.al use of *** leaf ext.act.enriched in flavones for t.e t.eat.ent.of diabet.s t.at.would warrant.furt.er clinical t.ials invest.gat.on.

关键词： St.-induced diabet.s Diaion fract.onat.on Flavonoid glucuronides Brachychit.n acerifolius

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Plasma Current.Sheat. mot.on in Coaxial Plasma Discharge

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Energy and Power Engineering 2011年第4期3卷 436-443页

作者： t.rek m. Allam hanaa A. el-Sayed hanaa m. Soliman 不详

In t.is paper experiment. and t.eoret.cal t.eat.ent. [1] on 1.5 KJ coaxial plasma discharge device have been carried out.t. show, plasma current.sheat., PCS, mot.on in coaxial plasma discharge by st.dying: t.e effect.of nit.ogen gas pressure in t.e range from 1 t. 2.2 t.rr and t.e axial posit.on of PCS along t.e coaxial elect.odes on t.e modificat.on fact.r, act.al drive paramet.r, PCS curvat.re and shape (t.ickness). Also t.e dynamics of PCS along t.e coaxial elect.odes due t. t.e combinat.on effect.of induced azimut.al and axial magnet.c fields induct.on has been det.ct.d experiment.lly by using a magnet.c probe t.chnique.

关键词： Coaxial Discharge Plasma Current Sheat. Drive Paramet.r

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