Dr. Aaron P. Roberts

Professional Background

2006-Present     Assistant Professor, Dept. of Biological Sciences, University of North Texas

2005-2006          Postdoctoral Fellow, Institute of Environmental Toxicology, Clemson University

2005                    Ph.D., Zoology, Miami University

2001                    M.S., Zoology, Miami University

1999                    B.S., Biological Sciences, University of Missouri

Recent Publications

Sowers, AD., MA Mills, AP Roberts, KM Gaworecki, and SJ Klaine. In press. Developmental Effects of a Municipal Wastewater Effluent on Two Generations of the Fathead Minnow, Pimephales promelas. Aquatic Toxicology.

Gaworecki, KM, AP Roberts, N. Ellis, A. Sowers, and SJ Klaine. 2009. Correlating biochemical and behavioral effects of diazinon exposure in hybrid striped bass. Environ. Toxicol. Chem. 28:105-112.

Drevnick, PE, AP Roberts, RR Otter, CR Hammerschmidt, R Klaper, and JT Oris. 2008. Mercury toxicity in livers of northern pike (Esox lucius) from Isle Royale, USA. Comp Biochem Physiol. 147:331-338.

Oris, JT, and AP Roberts. 2007. Statistical analysis of CYP1A biomarker measurements in fish. Environ. Toxicol. Chem. 26:1742-1750.

Roberts, AP, B Seda, AS Mount, PC Ke, R Qiao, and SJ Klaine. 2007. In vivo biomodification of a lipid coated carbon nanotube by Daphnia magna. Environ Sci Tech. 41:3025-3029.

Schmitt, CJ, JJ Whyte, AP Roberts, ML Annis, and DE Tillitt. 2007. Biomarkers of metals exposure in fish from lead-zinc mining areas of southeast Missouri, USA. Ecotox Environ Safety. 67:31-47.

Qiao, R., AP Roberts, AS Mount, SJ Klaine, and PC Ke. 2007. Translocation of C60 and its derivatives across a lipid bilayer. Nano Letters. 7:614-619.

Roberts, AP, JT Oris, and WA Stubblefield. 2006. Alterations in gene expression in Coho salmon exposed to the waters of Prince William Sound, Alaska. Mar Poll Bull. 52:1527-1532.

Roberts, AP, JT Oris, WH Clements, and GA Burton, Jr. 2005. Gene expression in fish as a first-tier indicator of contaminant exposure in streams. Environ Toxicol Chem.24:3092-3098.

Roberts, AP and JT Oris. 2004. Multiple biomarker response in rainbow trout following exposure to hexavalent chromium. Comp Biochem Physiol C Toxicol and Pharmacol. 138:221-228.

Whyte, JJ, CJ Schmitt, ML Annis, AP Roberts, and DE Tillitt. 2004. Determination of Biomarkers of Metals Exposure in Fish Collected from Streams Draining the New Lead Belt and Proposed Mining Areas of the Mark Twain National Forest, Missouri, 2001-2002.  USGS Biochemistry & Physiology Branch Final Laboratory Report FY 2004-30-14.

Oris, JT, JS McClain, JL Hoffmann, and AP Roberts.  2000.  Interactive Lecture Notes for Environmental Science:  A Global Concern, 6th edition, by Cunningham and Saigo, McGraw-Hill, Inc.

Recent Presentations

Edgington, AJ, A Rao, J Reppert, AP Roberts, M Alloy, L Taylor, and SJ Klaine. 2009. The influence of natural organic matter on the toxicity of multiwalled nanotubes and full particle characterization. Carolina SETAC, Charleston SC.  March 26-28, 2009.

Roberts, AP, L Taylor, A Edgington, and S Klaine. 2008. Effects of ingested engineered carbon nanomaterials on zooplankton. Invited presentation. US EPA Environmental Implications of Nanotechnology Conference. Chicago, IL.

Gevertz, A, M Chumchal, P Drevnick, and AP Roberts. 2008. Mercury-Associated Liver Damage in Fish Populations from Isle Royale National Park (MI, USA) and Caddo Lake (TX/LA, USA). 2008 SETAC North America Meeting, Tampa, FL. (2^nd Place Student Poster).

Kovach, M and AP Roberts. 2008.  Toxicological implications of dietary carotenoid compounds in zooplankton. 2008 SETAC North America Meeting, Tampa, FL.

Roberts, AP, M Kovach, B Venables, and W Waller. Ecological factors affecting carotenoids in alpine lakes: Implications for ecotoxicology. Invited presentation. 2008 SETAC North America Meeting, Tampa, FL.

Taylor, L, M Alloy, A Edgington, S Klaine, and AP Roberts. 2008. Effects of ingested engineered carbon nanomaterials on zooplankton. 2008 SETAC North America Meeting, Tampa, FL.

Oris, JT and AP Roberts. 2007. Analysis of CYP1A biomarker measures in fish: Exposure or effect? Presentation given at 2007 SETAC-North America Meeting, Milwaukee, WI.

Drevnick, PD, AP Roberts, RR Otter, R Klaper, and JT Oris. 2007. Mercury toxicity in liver of northern Pike from Isle Royale National Park.  Presentation given at 2007 SETAC-North America Meeting, Milwaukee, WI.

Gaworecki, KM, AP Roberts, N Ellis, and SJ Klaine. 2007. Behavior and brain biochemistry in bass: The bigger picture. Invited presentation given at 2007 SETAC-North America Meeting, Milwaukee, WI.

Sowers, A, AP Roberts, and SJ Klaine. 2006. The effects of UV and PCBs on cricket frogs in Lake Hartwell, SC. 2006 SETAC-NA Annual Meeting, Montreal.

Gaworecki, K, AP Roberts, and SJ Klaine. 2006. Diazinon exposure: Linking biochemistry and behavior in bass. 2006 SETAC-NA Annual Meeting, Montreal.

Oris, JT and AP Roberts. 2006. A statistical analysis of CYP1A biomarker measurements in fish. 2006 SETAC-NA Annual Meeting, Montreal.

Klaine, SJ, AP Roberts, B Seda, AS Mount, PC Ke, and R Qiao. 2006. Toxicity of a water-soluble single walled carbon nanotube to Daphnia magna. 2006 SETAC-NA Annual Meeting, Montreal.

Roberts, AP and SJ Klaine. 2006. Reproductive toxicity of PAH and metal contaminated sediments to the fathead minnow. 2006 SETAC-NA Annual Meeting, Montreal.

Roberts, AP. 2006. A molecular biomarker approach to exposure assessment. Seminar. Institute of Environmental Health, Texas Tech.

Zahner, H, AP Roberts, and SJ Klaine. 2005. Recovery of acetylcholinesterase activity in daphnia following episodic exposure to chlorpyrifos. 2005 SETAC-NA Annual Meeting, Baltimore.

Roberts, AP, JT Oris, WH Clements, and GA Burton, Jr. 2005. Development and field-validation of a molecular biomarker approach to exposure assessment. 2005 SETAC Europe Annual Meeting, Lille, France.