简介：Thisletterreviewstheadhesiveandfrictionalpropertiesofthefirstmushroom-shapedadhesivemicrostructure(MSAMS),whichhascomealongwayfrominspirationbytheattachmentdevicesevolvedinbeetlestoalarge-scaleindustrialproduction.Itwasshowntohaveanthatabouttwicehigherpull-offforcecomparedtoasmoothcontrolmadefromthesamematerialmeasuredonsmoothsubstrates.Pull-offforcesmeasuredunderwaterareevenhigherthanthoseinair.Moreover,itretainedadhesiveperformanceoverthousandsofattachmentcyclesandinitialadhesivecapabilitycouldberecoveredbywashingafterbeingcontaminated.Inshearing,MSAMSexhibitsreducedandstabilizedfrictionincomparisonwithasmoothcontrol,whichdemonstratedpronouncedstick-slipmotion,andshowszeropull-offforceinashearedstate,allowingtheadhesiontobeswitchedonandoff.Thepresenceofafluidinthecontactzoneshowedadhesionenhancementonbothsmoothandroughsubstrates.AllthesefeaturesleadustoconcludethatMSAMSmayhavepracticalpotentialinavarietyofapplications.