Supporting Information for Novel Au/La 2 O 3 and Au/La 2 O 2 SO 4 Catalysts for the Water-Gas Shift Reaction Prepared via an Anion Adsorption Method Joseph D. Lessard, Ioannis Valsamakis, and Maria Flytzani-Stephanopoulos* Department of Chemical & Biological Engineering, Tufts University, Medford MA 02155 *To whom correspondence should be addressed: Fax: 1-617-627-3991; Tel: 1-617-627-3048 Email: maria.flytzani-stephanopoulos@tufts.edu Electronic Supplementary Material (ESI) for Chemical Communications This journal is © The Royal Society of Chemistry 2012