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404 个结果
  • 简介:Alcoholicliverdiseaseisanestablished,yetcontroversial,indicationforlivertransplantation.Althoughanabstinenceperiodofupto6mopriortotransplantationismandatory,alcoholrelapseaftertransplantationisacommonevent.Incaseofrecurrenceofheavydrinking,graftsurvivalissignificantlyimpaired.Guidelinesondetectionandsurveillanceofalcoholconsumptioninthispatientcohortarelacking.Thisreviewsummarizesthechallengeofpatientselectionaswellasthecurrentknowledgeonestablishedandnovelalcoholbiomarkerswithspecialfocusonlivertransplantcandidatesandrecipients.

  • 标签: ETHYL GLUCURONIDE Liver cirrhosis Short TERM
  • 简介:Collagenisthemajoracellcarofconnectivetissueproteininanimals,accountingforabout25%ofthetotalbodyproteinofvertebrates.Anessentialfeatureofthistypeofbiomaterialisthatitdegradesinbiologicenvironments,eventuallydisap-pears,andleavesnopermanentforeignresidue.Averypracticalaspectoftheuseofcollagenisitseaseofpreparationanditswidespreadoccurrenceinnature.Thus,col-lagenhasbeenemployedasabiomaterialinalmosteveryphysicalform.Forexam-ple,collagenfibrescanbeusedasasubstratefornerveregeneration,tendonligament

  • 标签: biomaterial TENDON BIOLOGIC COLLAGEN LIGAMENT COLLAGEN
  • 简介:Withsolidphaseorganicsynthesismethod(SPOS),polymer-boundN-enoylprolinol(4)waspreparedbytheattachmentofN-enoylprolinol(3)toMerrifieldresinandwasusedforasymmetricMichaeladditionsforthefirsttime.Theenantiomericexcessobtainedbythismethodisincreasedascomparedwiththatobtainedbythecorrespondingsolutionphasereactions.

  • 标签: 聚合物 不对称迈克尔加成 γ-取代酒精 合成 酰胺 氨基化合物
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  • 简介:一、use的基本用法1,当use作动词用时,意为“使用,应用,利用,耗费”。例如,

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  • 简介:Chinashouldmakemoreeffectiveuseofitspovertyalleviationfunds,urgedarecentarticleintheChinaReformNews.TheimpoverishedpopulationinChinahasdecreasedfrom250millionin1978to42millionlastyear.Governmentrelieffundsplayedadecisiveroleintheimpressiveimprovement...

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  • 简介:<正>IntroductionInthebeginningofthispaper,weneedtoclarifythedefinitionof"rubric".AccordingtoSchmoker(2006),"arubricsimplymeansaruleorguide…bywhichstudents’performanceorproductisjudged.Itnailsdownthecriteria,makingthemavailabletoschools,teachers,parents,andstudentsandprovidingcleardirectionandfocus"(pp.70-71,citedinCooper,&Gargan,2009,p.54).Whenitcomestothequestionwhetherweshoulduserubricsforassessingstudents’performance,there

  • 标签: SCHOOLS COMES CITED parents BEGINNING judged
  • 简介:China’snuclearindustryisgoingtomakegreateruseofitsREmetalstogivefullplaytoitsenergy-producingtechnology.TheChinaNationalNuclearCorporation(CNNC)willconcentrateonthedevelop-mentofREpermanentmagnets,REfluore-scence,andREceramics.Theseproducts,alsohighprioritiesinthedevelopmentplanfortheREindustryinthecomingsixyears,areallhi-techandenergy-savingproducts.

  • 标签: NUCLEAR PERMANENT ceramics CONCENTRATE SAVING URANIUM
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  • 简介:在现在的学习,我们准备了macroporous聚乙烯化合物的白酒祷告。一系列bilirubin吸附物被八个胺代理人的固定作为ligands产生到祷告。bilirubin的吸附被评估由在vitro静态、动态的吸附测试。结果证明这些吸附物有优秀吸附效率和能力。在八ligands,trimethylamine(TMA),triethylamine(茶)和1,6-hexanediamine之中()显示出最高的吸附能力。吸附平衡能在半个小时被完成,并且bilirubin的吸附百分比直到80%。静态的电和恐水病的相互作用在bilirubin吸附起了主要作用,并且吸附被发现匹配单层模型。这些吸附物的优秀吸附在临床的处理显示他们的潜力。

  • 标签: 胆红素 生物材料 大孔聚乙烯 树脂
  • 简介:这研究的目的是准备PVA-GAG-COL,并且调查为织物工程用作脚手架的可行性合成的由聚乙烯化合物的酒精(PVA)的材料,glycosaminoglycan(作呕)并且骨胶原(关口)。PVA与各种各样的数量被混合作呕并且关口。不同比例的脚手架能与不同分子的重量和PVA的醇解度和不同数量被获得作呕,它展出了高水位线内容(60%-95%)并且与胀大的比率(120%-620%)显示出不同内部配置。SEM证明不同合成材料有不同多孔的结构。

  • 标签: 聚乙烯乙醇 糖胺聚糖 胶原蛋白 组织工程