Laser-based transfection with conjugated gold nanoparticles

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摘要 Theirradiationofcellscombinedwiththeimmunoconjugateofgoldnanoparticlesbytheshortpulselasercanmaketheplasmamembranebetransientlypermeabilized,whichcanbeusedtotransferexogenousmoleculesintothecells.Weexplorethistechniqueasanovelgenetransfectionmethodforfloatingcells.Threedifferentfloatingcellsexposedtothelaserareselectivelytransfectedwithfiuoresceinisothiocyanatedextran,antibody,andgreenfluorescentprotein(GFP)codingplasmids,andtheviabilityofcellsaredeterminedbypropidiumiodide.Forfluoresceinisothiocyanate-dextran,thebesttransfectionefficiencyof65%isobtained;fortheantibody,itis74%;whereasforthegreenfluorescentproteincodingplasmids,averysmalltransfectionefficiencyisgained.Ifthetransfectionefficiencyisimproved,goldnanoparticleswillbeveryusefulasmediatorforgenetransfectioninlivingcells.
机构地区 不详
出版日期 2009年10月20日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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