Dezene P. W. Huber1, Regine Gries1, John H. Borden1, H. D. Pierce2
1Centre for Environmental Biology, Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Candada, V5A 1S6, e-mail: [email protected], , CA 2Department of Chemistry, Simon Fraser University, Burnaby, British Columbia, Canada, V5A 1S6, CA