Professor R. Dean Astumian is a co-author of a new article in the journal Science, “Active Mechanisorption Driven by Pumping Cassettes,” that describes a significant advance in surface science, introducing a new active mechanism of adsorption based on rotaxane molecules with pumping cassettes attached on a surface.  Astumian co-authors this article along with collaborator Sir J. read more Astumian co-authors article in Science