HENDREN ET AL. 2015 – DRAFT IN PREPARATION. DO NOT CITE WITHOUT PERSMISSION 1 A functional assay-based strategy for nanomaterial risk forecasting 1 Christine Ogilvie Hendren 1 , Gregory V. Lowry 2 , Jason M. Unrine 3 , Mark R. Wiesner** 4 2 3 4 1 Christine Ogilvie Hendren 5 Center for the Environmental Implications of NanoTechnology 6 Duke University 7 Durham, NC 27708 8 Phone: 919.660.5193 9 Email: christine.hendren@duke.edu 10 11 2 Gregory V. Lowry 12 Department of Civil and Environmental Engineering 13 Carnegie Mellon University 14 119 Porter Hall 15 Pittsburgh, PA 15213 16 Phone: 412.268.2948 17 Email: glowry@andrew.cmu.edu 18 19 3 Jason M. Unrine 20 Department of Plant and Soil Sciences 21 University of Kentucky 22 Agricultural Science Center 23 Lexington, KY 40546 24 Phone: 859.257.1657 25 Email: jason.unrine@uky.edu 26 27 4 Mark R. Wiesner 28 Department of Civil and Environmental Engineering 29 Duke University 30 121 Hudson Hall PO Box 90287 31 Durham, NC 27708 32 Phone: 919.660.5192 33 Email: wiesner@duke.edu 34 **Corresponding author 35 36 37 © 2015. This manuscript version is made available under the Elsevier user license http://www.elsevier.com/open-access/userlicense/1.0/