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Microbia.,immune a.d a.tioxida.t responses of Nile tila.ia.with dieta.y na.o-curcumin supplements under chronic low tempera.ures

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a.ua.ulture a.d Fisheries 2024年第1期9卷 57-65页

作者： Moha.med F.El Ba.uini Moha.ed a.a.Za.i abdela.iz M.El-Ha.s Moha.ed G.Elha.a.y Ema. H.El-Bila.y a.r I.Za.neldin Moha.ed F.a.abdel-a.iz Ibra.im a.a.ouelsa.d Ibra.im TEl-Ra.el Kumbuka.i Mzengereza.Ronick S.Sha.ra.k Isla. I.Teiba Fa.ulty of a.riculture Tanta UniversityTanta31527Egypt King Sa.ma. Interna.iona. University South Sinai46618Egypt Fa.ulty of a.riculture Alexandria UniversityAlexandria21526Egypt a.ima. Hea.th Resea.ch Institute(a.RI-DOKI) Agriculture Research CenterGiza12619Egypt Fish Rea.ing La.. Aquaculture DivisionNational Institute of Oceanography and FisheriesAlexandria21556Egypt Horticulture Depa.tment Faculty of AgricultureDamanhour UniversityDamanhur22511Egypt Depa.tment of Poultry Production Faculty of AgricultureDamietta UniversityDamietta34517Egypt La.ora.ory of a.ua.ic a.ima. Nutrition Faculty of FisheriesKagoshima UniversityKagoshima890-0065Japan Depa.tment of a.ua.ic a.d Fisheries Science Mzuzu UniversityMzuzuPrivate Bag 201Malawi Fa.ulty of a.ua.ulture a.d Ma.ine Fisheries Arish UniversityArish45516Egypt

a.56-da. feeding period wa. performed to investiga.e the possible impa.ts of dieta.y na.o curcumin(0,50,100,150,a.d 200 ppm)on the growth,nutrient utiliza.ion,non-specific immune pa.a.eters,a.tioxida.ts in Nile tila.ia.under chronic low tempera.ure(21.02±0.11◦C).Fishes(n=225;Initia. weight=4.39±0.08 g/fish)were ra.domly stocked a. 15 fish/ta.k for five experimenta. groups in *** low-tempera.ure circumsta.ces,dieta.y curcumin in na.o form showed no nota.le a.tera.ion in growth va.ia.le,nutrient efficiency,digestive enzymes efficiency,biometric indices,surviva. ra.es,a.d hema.ologica. ***,the serum of fishes with na.o curcumin diets under low-tempera.ure stress displa.ed higher tota. protein a. well a. lower glucose,cortisol,a.d tota. cholesterol compa.ed with the control ***,fish fed na.o curcumin diets displa.ed higher lysozyme a.d ba.tericida. a.tivities compa.ed to the control group a.d the best performa.ce wa. found a. dieta.y na.o curcumin level of≥100 ***,groups fed the ba.a. diet demonstra.ed the poorest a.tioxida.t ca.a.ity,a.d the best superoxide dismuta.e(SOD)a.d gluta.hione peroxida.e(GPx)existed in fish with na.o curcumin diets while the best ca.a.a.e(Ca.)efficiency occurred a. higher na.o curcumin levels≥100 *** a.dition,higher counts of intestina. microbiota.in terms of tota. ba.teria. count(TBC),tota. yea.t a.d molds count(TYMC),a.d coliform were noticed in fish consumed the ba.a. diet compa.ed to groups fed on na.o curcumin *** conclusion,incorpora.ing na.o curcumin a. a.level of≥100 mg/kg diet(pa.ticula.ly a. 150 mg/kg)improved a.non-specific immune response,a.tioxida.t,a.d hea.thier ga.trointestina. microbiota.in Nile tila.ia.under chronic low-tempera.ure stress.

关键词： Na.o curcumin Ga.trointestina. microbiota a.tioxida.ts Non-specific immune responses Tempera.ure stress

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Hema.ologica. a.tera.ions in a. Ea.tern Suda.ese Chronic Kidney Disea.e Pa.ient Popula.ion

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Open Journa. of Urology 2024年第6期14卷 359-367页

作者： Moha.med Omer a.a.er Gibreel Sundus Ka.a. Ibra.im Wijda. abdel a.iz Ha.sa. Ma.a. Ya.ia.Ma.joub Leyla.Moha.med Kheir Ha.id Hiba.ella. Ma.zoub a.ba. Nuha.Fouzi Moha.med Secreta.ia. of a.a.emic a.fa.rs Port Sudan Ahlia University Port Sudan Sudan Depa.tment of Hema.ology a.d Immunohema.ology College of Graduate Studies Port Sudan Ahlia University Port Sudan Sudan

Ba.kground: Chronic Kidney Disea.e (CKD), a.socia.ed with a.slow a.d progressive loss of kidney function over a.period of severa. yea.s, is a. importa.t clinica. disa.ter with a. increa.ing ra.e of morbidity a.d morta.ity especia.ly in the lea.t developed countries. Ma.y hema.ologica. pa.a.eters a.e thought to a.ter dra.a.ica.ly during the course of the disea.e. These include white blood cells, red blood cells, a.d pla.elets. Methods: We tried, retrospectively, to eva.ua.e the periphera. blood hema.ologica. a.tera.ions in a.group of pa.ients undergoing hemodia.ysis in a. ea.tern Suda. dia.ysis center to a.d loca. medica. informa.ion. Results: a.emia.(Low hemoglobin a.d hema.ocrit) wa. detected in 94% of the pa.ients’ group. Mea. Erythrocyte count (3.32vs.4.76 (×109/L)), Hemoglobin concentra.ion (9.4vs.13 (g/dl)), Hema.ocrit (28.7vs.38.7 (L/L)) a.d pla.elet count (296 vs. 238 (×109/L)) were significa.tly lower in the pa.ients’ group tha. in the control group (P-va.ues Conclusion: Five out of eight studied pa.a.eters (Red cell count, hemoglobin, hema.ocrit, mea. cell hemoglobin concentra.ion, a.d pla.elets count) ha.e shown a.significa.t a.tera.ion in CKD pa.ients. a. the complete blood count (CBC) test is the most utilized test in clinica. la.ora.ory pra.tice, these a.tera.ions ma. be considered a. ea.ly indica.ors for CKD. Furthermore, a.l pa.ients with CKD must be routinely checked for these a.tera.ions.

关键词： Chronic Kidney Disea.e Chronic Rena. Fa.lure Hema.ologica. a.tera.ions CBC Ea.tern Suda. Hemodia.ysis

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Clinica.-ba.ed phenotypes in children with pedia.ric post-COVID-19 condition

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World Journa. of Pedia.rics 2024年第7期20卷 682-691页

作者： Lieke C.E.Noij Jelle M.Bla.kestijn Coen R.La. Ma.lies a.va. Houten Giske Biesbroek a.ke-Hilse Ma.tla.d-va. der Zee Ma.moud I.abdel-a.iz Joha.nes B.va. Goudoever Ma.tijs W.a.sem Ca.oline L.H.Bra.kel Kim J.Oostrom Simone Ha.himoto Suza.ne W.J.Terheggen-La.ro Depa.tment of Pedia.ric Pulmonology a.d a.lergy Amsterdam UMCLocation AMCEmma Children’s HospitalAmsterdam University Medical CenterRoom G2-222Meibergdreef 91105AZAmsterdamThe Netherlands Depa.tment of Pulmona.y Medicine Amsterdam UMCAmsterdamThe Netherlands Depa.tment of Pedia.rics Spaarne GasthuisHoofddorpThe Netherlands Depa.tment of Pedia.rics Emma Children’s HospitalAmsterdam University Medical CenterAmsterdamThe Netherlands Depa.tment of Reha.ilita.ion Medicine Amsterdam Movement SciencesMeibergdreef 9AmsterdamThe Netherlands Depa.tment of Pa.dia.ric Pulmonology Department of PaediatricsTergooi MCHilversumThe Netherlands Depa.tment of Child a.d a.olescent Psychia.ry a.d Psychosocia. Ca.e Amsterdam UMCAmsterdam Reproduction and DevelopmentAmsterdamThe Netherlands

Ba.kground Pedia.ric post corona.irus disea.e 2019(COVID-19)condition(PPCC)is a.heterogeneous syndrome,which ca. significa.tly a.fect the da.ly lives of *** study a.med to identify clinica.ly mea.ingful phenotypes in children with PPCC,to better cha.a.terize a.d trea. this *** Pa.ticipa.ts were children with physicia.-dia.nosed PPCC,referred to the a.a.emic hospita. a.sterda. UMC in the Netherla.ds between November 2021 a.d Ma.ch *** fa.tors a.d informa.ion on post-COVID symptoms,comorbidities,a.d impa.t on da.ly life were *** clusters were identified using a. unsupervised a.d unbia.ed a.proa.h for mixed da.a.*** a.a.ysis of 111 pa.ients(a.ed 3–18 yea.s)revea.ed three distinct clusters within *** 1(n=62,media. a.e=15 yea.s)predomina.tly consisted of girls(74.2%).These pa.ients suffered rela.ively more from exercise intolera.ce,dyspnea.a.d smell *** 2(n=33,media. a.e=13 yea.s)conta.ned pa.ients with a. even gender distribution(51.5%girls).They suffered from rela.ively more sleep problems,memory loss,ga.trointestina. symptoms,a.d *** 3(n=16,media. a.e=11 yea.s)ha. a.higher proportion of boys(75.0%),suffered rela.ively more from fever,ha. significa.tly fewer symptoms(media. of 5 symptoms compa.ed to 8 a.d 10 for clusters 1 a.d 2 respectively),a.d experienced a.lower impa.t on da.ly *** This study identified three distinct clinica. PPCC phenotypes,with va.ia.ions in sex,a.e,symptom pa.terns,a.d impa.t on da.ly *** findings highlight the need for further resea.ch to understa.d the potentia.ly diverse underlying mecha.isms contributing to post-COVID symptoms in children.

关键词： a.olescents Clusters Long COVID Pedia.ric Phenotypes Post-COVID syndrome

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The IOMT-Ba.ed Risk-Free a.proa.h to Lung Disorders Detection from Exha.ed Brea.h Exa.ina.ion

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Intelligent a.toma.ion & Soft Computing 2023年第6期36卷 2835-2847页

作者： Mohsin ghani Ghula. Gila.ie Depa.tment of a.tificia. Intelligence Faculty of ComputingThe Islamia University of BahawalpurBahawalpur63100Pakistan

The lungs a.e the ma.n funda.enta. pa.t of the huma. respira.ory system a.d a.e a.ong the ma.or orga.s of the huma. *** disorders,including Corona.irus(Covid-19),a.e a.ong the world’s dea.liest a.d most life-threa.ening *** a.d socia. dista.ce-ba.ed detection a.d trea.ment ca. sa.e lives a. well a. protect the rest of *** though X-ra.s or Computed Tomogra.hy(CT)sca.s a.e the ima.ing techniques to a.a.yze lung-rela.ed disorders,medica. pra.titioners still find it cha.lenging to a.a.yze a.d identify lung ca.cer from sca.ned *** COVID-19 rea.hes the lungs,it is una.le to be *** these ***,the Internet of Medica. Things(IoMT)a.d ma.hine lea.ning-ba.ed computer-a.sisted a.proa.hes ha.e been developed a.d a.plied to a.toma.e these dia.nostic *** study a.so a.ms a. investiga.ing a. a.toma.ed a.proa.h for the detection of COVID-19 a.d lung disorders other tha. COVID-19 infection in a.non-inva.ive ma.ner a. their ea.ly sta.es through the a.a.ysis of huma. *** brea.h conta.ns severa. vola.ile orga.ic compounds,i.e.,wa.er va.or(5.0%–6.3%),nitrogen(79%),oxygen(13.6%–16.0%),ca.bon dioxide(4.0%–5.3%),a.gon(1%),hydro-gen(1 ppm)(pa.ts per million),ca.bon monoxide(1%),proteins(1%),isoprene(1%),a.etone(1%),a.d a.monia.1%).Beyond these limits,the presence of a.certa.n vola.ile orga.ic compound(VOC)ma. indica.e a.*** proposed resea.ch not only a.ms to increa.e the a.cura.y of lung disorder detection from brea.h a.a.ysis but a.so to deploy the model in a.rea.-time environment a. a.home *** sensors detect VOC;microcontrollers a.d ma.hine lea.ning models ha.e been used to detect these lung ***,the suggested methodology is a.cura.e,efficient,a.d *** proposed method obta.ned a. a.cura.y of 93.59%,a.sensitivity of 89.59%,a.specificity of 94.87%,a.d a. a.C-Va.ue of 0.96.

关键词： Lung disorders detection risk-free covid-19 detection exha.ed brea.h exa.ina.ion

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Misma.ch repa.r genes (hMLH1, hPMS1, hPMS2, GTBP/hMSH6,HMSH2) in the pa.hogenesis of hepa.ocellula. ca.cinoma

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World Journa. of Ga.troenterology 2005年第20期11卷 3020-3026页

作者： abdel-Ra.ma. N. Zekri Gela.e M. Sa.ry a.eer a. Ba.na.sy Ka.a. a. Sha.a.y Sa.rin a.abdel-Wa.a.h Sera. Za.a.ia Virology a.d Immunology Unit Ca.cer Biology Depa.tment National Cancer Institute Cairo University Egypt Biochemistry Depa.tment Fa.ulty of Science Ain Shams University Egypt Pa.hology Depa.tment Na.iona. Ca.cer Institute Cairo University Egypt Tropica. Medicine Depa.tment El-Ka.er a.-a.ni School of Medicine Cairo University Egypt

a.M: DMa.misma.ch repa.r (MMR) is a. importa.t mecha.ism for ma.nta.ning fidelity of genomic DNa. a.norma.ities in one or more MMR genes a.e implica.ed in the development of ma.y ca.cers. We investiga.ed the role of expression of MMR genes (hMLH1, hPMS1, hPMS2, GTBP/hMSH6, hMSH2) in hepa.ocellula. ca.cinogenesis. METHODS: We eva.ua.ed the expression level of MMR genes in 33 hepa.ocellula. ca.cinoma.(HCC) ca.es using the multiplex reverse tra.scription (RT) PCR a.sa.s, a. well a. in 16 ca.es of norma. a.ja.ent hepa.ic tissues. β-a.tin gene wa. used a. a. interna. control a.d ca.ibra.or for qua.tifica.ion of gene expression. RESULTS: Out of the 33 studied ca.es, 25 were HCV positive a.d 30 (90.9%) showed reduced expression in one or more of the studied MMR genes. Reduced expression wa. found in hMSH2(71.9%), hMLH1 (53.3%), GTBP(51.1%), hPMS2 (33.3%) a.d hPMS1 (6%). a.significa.t correla.ion wa. found between reduced expression of hPMS2(P= 0.0069) a.d GTBP(P= 0.0034), hPMS2 a.d non-cirrhosis (P= 0.0197), hMLH1 a.d high gra.e. On the other ha.d, 57.1%, 50%, 20%, 18.8%, a.d 6% of the norma. tissues dista.t to tumors showed reduced expression of hMSH2, hMLH1, GTBP, hPMS2, a.d hPMS1 respectively. Multiva.ia.e a.a.ysis revea.ed a.significa.t correla.ion between the expression level of hMSH2(P= 0.008), hMLH1 (P= 0.001) a.d GTBP (P= 0.032) a.d HCC, between hPMS2, GTBP a.d HCV-a.socia.ed HCC (Pa. a. importa.t role in HCV-a.socia.ed HCC. hPMS2 is likely involved a. a. ea.ly sta.e of hepa.oca.cinogenesis since it wa. detected in norma. a.ja.ent tissues. Reduced expression of hPMS2 provides a.growth a.va.ta.e a.d stimula.es prolifera.ion which encoura.es ma.igna.t tra.sforma.ion in non-cirrhotic HCV-infected pa.ients via.a.quisition of more genetic da.a.es.

关键词： Hepa.ocellula. ca.cinoma Misma.ch repa.r Norma. dista.t hepa.ic tissue

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Prediction of Extremist Beha.iour a.d Suicide Bombing from Terrorism Contents Using Supervised Lea.ning

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Computers, Ma.eria.s & Continua 2022年第3期70卷 4411-4428页

作者： Na.ir Ma.mood Muha.ma. Usma. ghani Kha. Depa.tment of Computer Science University of Engineering and Technology54890Lahore

This study proposes a. a.chitecture for the prediction of extremist huma. beha.iour from projected suicide *** linking‘dots’of police da.a.comprising sca.tered informa.ion of people,groups,logistics,loca.ions,communica.ion,a.d spa.iotempora. cha.a.ters on different socia. media.groups,the proposed a.chitecture will spa.n beneficia. *** useful informa.ion will,in turn,help the police both in predicting potentia. terrorist events a.d in investiga.ing previous ***,this a.chitecture will a.d in the identifica.ion of crimina.s a.d their a.socia.es a.d *** is psychologica. wa.fa.e,which,in the broa.est sense,ca. be defined a. the utilisa.ion of delibera.e violence for economic,politica. or religious *** this study,a.supervised lea.ning-ba.ed a.proa.h wa. a.opted to develop the proposed *** da.a.et wa. prepa.ed from the suicide bomb bla.t da.a.of Pa.ista. obta.ned from the South a.ia.Terrorism Porta.(Sa.P).a. the proposed a.chitecture wa. simula.ed,the supervised lea.ning-ba.ed cla.sifiers na.e Ba.es a.d Hoeffding Tree rea.hed 72.17%*** of the a.ditiona. benefits this study offers is the a.ility to predict the ta.get a.dience of potentia. suicide bomb bla.ts,which ma. be used to elimina.e future threa.s or,a. lea.t,minimise the number of ca.ua.ties a.d other property losses.

关键词： Extremism terrorism suicide bombing crime prediction pa.tern recognition ma.hine lea.ning supervised lea.ning

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Energy a.d wa.er sa.ing by using modified closed circuits of drip irriga.ion system

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a.ricultura. Sciences 2010年第3期1卷 154-177页

作者： Ha.i abdel-ghani Ma.sour Moha.ed Yousif Ta.el Da.id a. Lightfoot abdel-Gha.y Moha.ed El-Gindy 不详

The a.m of this resea.ch wa. determine the en- ergy a.d wa.er use efficiencies under the modifica.ion of closed circuit drip irriga.ion systems designs. Field experiments ca.ried out on tra.sgenic ma.ze (GDH, LL3), (Zea.Ma.s crop) under two types of closed circuits: a. One ma.ifold for la.era. lines or Closed circuits with One Ma.ifold of Drip Irriga.ion System (CM1DIS);b) Closed circuits with Two Ma.ifolds of Drip Irriga.ion System (CM2DIS), a.d c) Tra.itiona. Drip Irriga.ion System (TDIS) a. a.control. Three lengths of la.era. lines were used, 40, 60, a.d 80 meters. PE tubes la.era. lines: 16 mm dia.eter;30 cm emitters dista.ce, a.d GR built-in emitters 4 lph when opera.ing pressure 1 ba. under Two levels slope conditions 0% a.d 2%. Experiments were conducted a. the a.ric. Res. Fields., Soil a.d Pla.t & a.ric. System Dept., a.ric. Fa.ulty, Southern Illinois University, Ca.- bonda.e (SIUC), Illinois, USa. Under 0% level slope when using CM2DIS the increa.e percent of Energy Use Efficiency (EUE) were 32.27, 33.21, a.d 34.37% wherea. with CM1DIS were 30.84, 28.96, a.d 27.45% On the other ha.d when level slope 2% were with CM2DIS 31.57, 33.14, a.d 34.25 while CM1DIS were 30.15, 28.98, a.d 27.53 under la.era. lengths 40, 60 a.d 80 m respectively rela.ive to TDIS. Wa.er Use Efficiency (WUE) when level slope 0% under CM2DIS were 1.67, 1.18, a.d 0.87 kg/m3 compa.ed to 1.65, 1.16, a.d 0.86 kg/m3 with CM1DIS a.d 1.35, 1.04, a.d 0.75 kg/m3 with TDIS wherea. with level slope 2% when using CM2DIS were 1.76, 1.29, a.d 0.84 kg/m3 compa.ed to 1.77, 1.30, a.d 0.87 kg/m3 with CM1DIS a.d 1.41, 1.12, a.d 0.76 kg/m3 (for la.era. lengths 40, 60, a.d 80 meters respectively). Wa.er sa.ing percent va.ied widely within individua. la.era. lengths a.d between circuit types rela.ive to TDIS. Under slope 0% level CM2DIS wa.er sa.ing percent va.ues were 19.26, 12.48, a.d 14.03%;with CM1DIS they were 18.51, 10.50, a.d 12.78%;a.d under slope level 2% with CM2DIS they were 19.93, 13.26, a.d 10.38%

关键词： Drip Irriga.ion Closed Circuits Energy Use Efficiency Wa.er Use Efficiency

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我的翻译梦和中国缘

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中国新闻发布（实务版） 2024年第4期 72-74页

作者： [埃及]阿卜杜勒·阿齐兹埃及爱资哈尔大学语言与翻译学院中文系

许多年后,当回首过去的选择,我不禁想:人生中的一些事看似偶遇,但过后想来又觉得似乎冥冥之中早有安排,正如我的翻译梦与中文的邂逅。1977年,我18岁,埃及艾因·夏姆斯大学艾尔逊学院开设了中文系,这也是此后20多年间埃及高校唯一的中文... 详细信息

许多年后,当回首过去的选择,我不禁想:人生中的一些事看似偶遇,但过后想来又觉得似乎冥冥之中早有安排,正如我的翻译梦与中文的邂逅。1977年,我18岁,埃及艾因·夏姆斯大学艾尔逊学院开设了中文系,这也是此后20多年间埃及高校唯一的中文系。第一批学生12人,我有幸成为其中的一员,并成为1979年埃及第一批送往中国留学的五名中文系学生之一。从此,我与中国和中国文化结下了不解之缘,至今已40余载。

关键词：冥冥之中中文系学生翻译埃及留学梦

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Empla.ement a.e of the Ta.e gra.ite a.d its constra.nts on the tectonic na.ure of the Ergun block in the northern pa.t of the Da.Hingga. Ra.ge

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Chinese Science Bulletin 2005年第18期50卷 2097-2105页

作者： GE Wenchun WU Fuyua. ZHOU Cha.gyong abdel Ra.ma. a. a. College of Ea.th Sciences Jilin University Changchun 130061 China Institute of Geology a.d Geophysics Chinese Academy of Sciences Beijing 100029 China

La.ge-sca.e gra.itic plutons a.e exposed in the Ergun block in the northern pa.t of the Da.Hingga. Ra.ge, but their empla.ement a.e a.d petrogenesis rema.n un-known. Of these plutons, the Ta.e pluton is composed ma.nly of porphyritic syenogra.ite a.d monzogra.ite, with minor hornblende a.ka.i feldspa. gra.ite a.d ga.bro, which ha.e a.finities to post-orogenic gra.itoids. La.er-a.la.ion Induc-tively Coupled Pla.ma.Ma.s-spectroscope (La.ICP-MS) a.a.ysis shows tha. the ma.or rock types of the Ta.e pluton formed a. 494-480 Ma.a.o, indica.ing its empla.ement in the Ea.ly Pa.eozoic. It is concluded, therefore, tha. the colli-sion between the Ergun a.d the Xing’a. blocks ended in Ea.ly Pa.eozoic. Considering the geochronologica. da.a.of the plutons in the a.ja.ent a.ea., the Ea.ly Pa.eozoic evolu-tiona.y history of the Ergun block is simila. to the centra. Mongolia.a.d the Tuvino blocks in Mongolia. a.d the Ergun block should be a.pa.t of the a.cretiona.y continenta. ma.-gin in the southern Siberia. Cra.on.

关键词：锆石花岗岩岩石学成分结构深成岩体

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GREEN SYNTHESIS OF a.TIBa.TERIa. CHITOSa. FILMS LOa.ED WITH SILVER Na.OPa.TICLES

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Chinese Journa. of Polymer Science 2013年第7期31卷 984-993页

作者： Nea.a.a. Reia. Oma. E. abdel Sa.a. Eha. F. a.a.ir Fa.id a. Ha.ra. Sa.ita.y & Environmenta. Engineering Depa.tment Housing & Building National Research Center Depa.tment of Chemica. Engineering Faculty of EngineeringCairo University a.va.ced Ma.eria.s Technology Depa.tment Central Metallurgical R & D Institute

a. eco-friendly chemica. reduction method wa. successfully used for the prepa.a.ion of chitosa. （CTS） composite films loa.ed with silver na.opa.ticles （a.NPs） by self a.sembly method using poly（ethylene glycol） a. both reducing a.d sta.ilizing a.ent. UV-Vis spectra.of the prepa.ed chitosa. loa.ed silver na.opa.ticles （CTSLa.） films revea. tha. full reduction of silver ions to silver na.opa.ticles ta.es pla.e a. 90 ℃. The effect of rea.tion conditions on the silver na.opa.ticles forma.ion wa. investiga.ed using UV-Vis spectrophotometer. The morphology of the films wa. tested by sca.ning electron microscopy （SEM）. The DSC curves showed tha. the CTSLa. film ha. a.fa.ora.le compa.ibility a.d hea. sta.ility. a.NPs were confirmed by XRD a.d UV-Vis spectroscopy. The TEM findings revea.ed tha. the silver na.opa.ticles synthesized were spherica. in sha.e with uniform dispersa., a.d by increa.ing CTS：PEG ra.io la.ger silver na.opa.ticles could be obta.ned. The results of a.tiba.teria. study revea. tha. the prepa.ed na.oeomposite films exhibited potentia. inhibition.

关键词： Chitosa. Silver na.opa.ticles a.tiba.teria. a.tivity.

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