Abstracting the Expo.

The article presents photographs taken during the 2007 national meeting of the American Chemical Society held at the exposition hall at McCormick Place in Chicago, Illinois. They include: an assortment of filter cartridges is part of a booth display by Whatman of Florham, selection of fluorescing quantum dot solutions from Ocean Nanotech, fluorescent solution in an Erlenmeyer flask in a reciprocal shaker from Eberbach.