TY - JOUR A1 - Grassian, V T1 - When Size Really Matters: Size-Dependent Properties and Surface Chemistry of Metal and Metal Oxide Nanoparticles in Gas and Liquid Phase Environments Y1 - 2008/11/04 N1 - R831717 JF - JOURNAL OF PHYSICAL CHEMISTRY J1 - J PHYS CHEM-US VL - 112 IS - 47 SP - 18303 EP - 18313 ER -