Thin sheets of jumbled carbon molecules show promise as tough and efficient molecular sieves for separating nitrogen from oxygen.

Acharya, M., et al. In press. Simulation of nanoporous carbons: A chemically constrained structure. Philosophical Magazine B.

Shiflett, M.B., and H.C. Foley. 1999. Ultrasonic deposition of high-selectivity nanoporous carbon membranes. Science 285(Sept. 17):1902.

Henry C. Foley
Center for Catalytic Science and Technology
Department of Chemical Engineering
University of Delaware
Newark, DE 19716
Web site: http://www.che.udel.edu/rr95/foley.html

From Science News, Vol. 156, No. 17, October 23, 1999, p. 271. Copyright © 1999, Science Service.