简介:GliomacelllineC6culturedonsiliconsurfacesmodifiedbydifferentchemicalfunctionalgroups,includingmercapto(-SH),carboxyl(-COOH),amino(-NH2),hydroxyl(-OH)andmethyl(-CH3)groups,wasstudiedheretoinvestigatetheinfluenceofsurfacechemistryonthecellproliferation,adhesionandapoptosis.AFMconfirmedthesimilarcharacteristicofdifferentfunctionalgroupsoccupation.TheadheringC6exhibitedmorphologicalchangesinresponsetodifferentchemicalfunctionalgroups.TheC6adheredto-COOH,-NH2,-OHand-CH3surfacesandflattenedmorphology,whilethoseon-SHsurfaceexhibitedthesmallestcontactareawithmostlyroundedmorphology,whichledtothedeathofcancercells.TheresultsofMTTassayshowedthatthe-COOHand-NH2groupspromotedceilproliferation,whilethe-SHsignificantlyinhibitedtheproliferation.Comparedwithotherchemicalfunctionalgroups,the-SHgroupexhibiteditsuniqueeffectonthefateofcancercells,whichmightprovidemeansforthedesignofbiomaterialstopreventandtreatglioma.