Formation and Growth of Au Nanoparticles inside Live Alfalfa Plants Gardea-Torresdey, J. L. ; Parsons, J. G. ; Gomez, E. ; Peralta-Videa, J. ; Troiani, H. E. ; Santiago, P. ; Yacaman, M. Jose Abstract Publication: Nano Letters Pub Date: April 2002 DOI: 10.1021/nl015673+ Bibcode: 2002NanoL...2..397G