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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
資料類型: PDF文件
關(guān)鍵詞: folic  acid  targeted  drug  delivery  calcium  carbonate  
nanoparticles  
資料大?。?/td> 102K
所屬學(xué)科: 分子表征
來源: 第六屆亞歐研討會(huì)上處理和性能增強(qiáng)聚合物會(huì)議文集(2013.6.2-6 武漢)
簡介:
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
上傳時(shí)間: 2013-07-03 15:13:02
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