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时间:2019-10-19
《氧化石墨烯在生物医学领域的应用_高扬》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、·144·材料导报A:综述篇2016年8月(A)第30卷第8期氧化石墨烯在生物医学领域的应用*高扬1,2,吴丁威1,2,殷广达1,2,郭睿劼1,2(1太原理工大学新材料界面科学与工程教育部和山西省重点实验室,太原030024;2太原理工大学材料科学与工程学院,太原030024)摘要氧化石墨烯(GO)是石墨烯的衍生物,具有较高的比表面积和丰富的官能团:底面含羟基和环氧基,边缘含羧基。这些官能团赋予了氧化石墨烯良好的亲水性、分散性和生物相容性,易于修饰和功能化,加之其优良的光学性质,使得氧化石墨烯在生物医学领域具
2、有广阔的应用前景。着重介绍了氧化石墨烯在生物传感器、生物成像、药物/基因传送、光热/光动力治疗、抗菌材料、生物安全性方面的研究现状和进展。关键词氧化石墨烯生物医学生物传感器生物成像药物/基因传递光热/光动力治疗抗菌材料生物安全性中图分类号:O613.71;TB383文献标识码:ADOI:10.11896/j.issn.1005-023X.2016.015.023ASurveyforBiologicalApplicationsofGrapheneOxide1,2,WUDingwei1,2,YINGuangda1
3、,2,GUORuijie1,2GAOYang(1KeyLaboratoryofInterfaceScienceandEngineeringinAdvancedMaterialsMinistryofEducationandShanxiProvince,TaiyuanUniversityofTechnology,Taiyuan030024;2CollegeofMaterialsScienceandEngineering,TaiyuanUniversityofTechnology,Taiyuan030024)Abs
4、tractGrapheneisstrictlyatwo-dimensionalmaterial,asheetofcarbonwithjustoneatomthick.Itsunu-sualelectronicpropertiesandtwo-dimensionalnaturemakeittheresearchfocussinceitsdiscovery.Grapheneoxide(GO),aderivativeofgraphene,isalsoatwo-dimensionalmaterialwhichhasl
5、argesurfacearea,excellentaqueousdis-persity,hydrophilicity,biocompatibilityandopticalproperties.Itpossessesrichfunctionalgroups,thehydroxylandepoxygroupsonbasalsurfaceandcarboxylonedges.Owingtothesefunctionalgroups,grapheneoxideisreadilytobemodifiedandfunct
6、ionalizedwithdifferentagents,offeringGOtheextensiveapplicationsinbiomedicalfields.Theformationofhydrogenbondsbetweenwatermoleculesandpolargroupsongrapheneoxideprovidesgrapheneoxidewithadvantagesforpotentialbiomedialapplicationscomparedwithothercarbon-basedm
7、aterialssuchasthefullereneandcarbonnanotubes.Thisreportattemptstoreviewthestateoftheartofgrapheneoxideapplicationsinbiosensors,bioimaging,drug/genedelivery,photothermal/photodynamictherapyantibacterialmaterialandbiologicalsafety,anddiscussthechallengesandop
8、portunitiesforfutureresearch.Itisexpectedthattheintensiveunderstandingofthena-tureandactionmechanismofgrapheneoxidewillopenapathwayforitsextensiveapplication.Keywordsgrapheneoxide,biomedical,biosensors
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