Dear colleagues, we invite you to submit your abstracts for International Scanning Probe Microscopy Meeting, Toronto, Canada, June 15-18, 2012 deadline for abstract submission is April 25, for more information please visit our website http://ispm2012.uwaterloo.ca ISPM 2012 Local Organizing Committee Z.Leonenko, P.Grutter, G.Walker, C.Goh and J.Dutcher