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Folate-chitosan Modified Alginate/CaC03 Hybrid Nanoparticles for Tumor-targeted Drug Delivery  
Folate-chitosan Modified Alginate/CaC03 Hybrid Nanoparticles for Tumor-targeted Drug Delivery
资料类型: PDF文件
关键词: folic  acid  targeted  drug  delivery  calcium  carbonate  
nanoparticles  
资料大小: 102K
所属学科: 分子表征
来源: 第六届亚欧研讨会上处理和性能增强聚合物会议文集(2013.6.2-6 武汉)
简介:
Folicacid(FA)isatargetinggroupwhichisextensivelyusedtodelivertherapeuticandimagingagentstofolatereceptor(FR)overexpressedcancercells.Inthisstudy,thealginate/calciumcarbonate(alginate/CaC03)hybridnanoparticleswithfolatemoietiesareappliedasthetargetinggroupsfortargeteddrugdelivery.Alginate/CaC03hybridnanoparticleswerepreparedbytheprecipitationofcalciumcarbonateintheaqueoussolutioncontainingalginatecl].Doxorubicinhydrochloride(DOX.HCI),awater-solubleanticancerdrug,wasloadedinthehybridnanoparticleswithahighencapsulationefficiency.Thefolicacidwasincorporatedtochitosan(CS)andthesynthesizedFA-CSconjugateswerecharacterizedwithFTIRandlHNMRc2].Toachievetumorcelltargetingproperty,FA-CSwasphysicallyincorporatedtoalginate/CaC03hybridnanoparticlescarryingDOX.HCI.TheobtainednanoparticleswerecharacterizedbySEM,FTIR,XPS,TGAandDSC.Thesizeandsizedistributionweremeasuredbyaparticlesizeanalyzer.Thereleasepropertydrugandthetargetingofthedrugloadednanoparticlestodifferentcellswereevaluatedinvitro.TheresultsshowedthatthereleaseofDOX.HCIfromthenanoparticlescouldbeeffectivelysustainedandthedrugloadednanoparticlesexhibitedenhancedcellinhibitionbecausefolatetargetingincreasedthecytotoxicityofdrugloadednanoparticlesagainstfolatereceptor(FR)expressingtumorcells.ItcanbeconcludedthattheincorporationofFA-CSphysicallytoalginate/CaC03nanoparticlescanobviouslyimprovethetargetingpropertyofthehybridsystems.
作者: D. Zhao
上传时间: 2013-07-03 15:13:02
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