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简介：Stentsthatkeepweakenedarteriesfromcollapsinghavebeentruelife-savers,butarenolongerneededoncethearteriesarestrengthened.Now,aresearcherhasdevelopedabiodegradablestentforheartpatientswhichwillcarrydrugswherethey'reneededandwillthendissolve.

简介：EDITOR'SNOTE:Humanrightshasalwaysbeenaconceptthatevolveswiththedevelopmentofglobalization.Toclarifytheirrelations,HumanRightsmadeaninterviewwithXuTiebing,anassociateresearcheroninternationalstudieswiththeCommunicationUniversityofChina.XuhasrecentlytranslatedtheFrenchbookAtlasdelaMondialisationintoChinese.

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简介：AIMDevelopmentaltoxicitytestingtocurrentinternationalguidelinesinvolvesexposureofpregnantanimals,mostlyratsandrabbits,andsubsequentassessmentoftoxiceffectsintheirfetuses.Alternativemethodshavebeendevelopedsince1980s.Themostcomplexassaysinthisareamakedistinctiveandextensiveuseofisolatedpostimplantationrodentembryoswhichareculturedinvitroduringthephaseofmajororganogenesis.Theobjectiveofthisstudyistoestablishaninvitroembryotoxicitytest----basedonpostimplatation9.5dwholeembryoculture(WEC)and3T3celltoxicity.Thepossibilitiesfortheirapplicationasembryotoxicityscreenshavebeeninvestigated.

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简介：介绍了基于科研人员学术论文所构成的知识关系网络,以及在这种知识网络基础上所形成的科学社区ResearcherID,揭示了科学研究之间的合作关系、引文继承关系。随后介绍了我国机构仓储服务的现状、特点。并将其与ResearcherID做比较,以ResearcherID为参考,构建基于科研人员知识网络的机构仓储,提升机构仓储服务功能,促进学术交流与传播。