Neat science, Hoping appropriate effort is being taken by the community to address nanoparticulate when we come to releasing these to the 'wild' <a href="http://www.scielosp.org/scielo.php?pid=S1413-81232008000200019&script=sci_arttext&tlng=pt" rel="nofollow">http://www.scielosp.org/scielo.php?pid=S1413-812320080002000...</a>