Mini Review Published on 19 Oct 2015 Sporopollenin, The Least Known Yet Toughest Natural Biopolymer in Polymer Chemistry Grahame MackenzieAndrew N. BoaAlberto Diego-TaboadaStephen L. AtkinThozhukat Sathyapalan Frontiers in Materials doi 10.3389/fmats.2015.00066 42,792 views 129 citations