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Improved Understanding of Hyperaccumulation Yields Commercial Phytoextraction and Phytomining Technologies

^a USDA-ARS-Environmental Management and By-Product Utilization Lab., Beltsville, MD 20705
^b Univ. of Georgia, Athens, GA 30602
^c Dep. Plant Science and Landscape Architecture, Univ. of Maryland, College Park, MD 20742
^d Plant and Soil Sciences Dep., Univ. of Delaware, Newark, DE 19717
^e current address, J.R. Peters, Inc., 6656 Grant Way, Allentown, PA 18106

View larger version (31K): [in this window] [in a new window]   Fig. 1. Price of nickel metal on the London Metal Exchange, 1985 through April 2007 (based on data from U.S. Geological Survey).

View larger version (29K): [in this window] [in a new window]   Fig. 2. X-ray tomography images of Co (red) and Ni (green) in hydrated Alyssum murale leaves showing the distribution of metal in the leaf tip (top) and bulk leaf (middle) regions and metal distribution in relation to the leaf cell structure (bottom). Images were acquired with synchrotron-based differential absorption computed-microtomography.