S1 Prediction of Acute Toxicity of Emerging Contaminants on the Water Flea Daphnia magna by Ant Colony Optimization - Support Vector Machine QSTR models Reza Aalizadeh , Peter C. von der Ohe and Nikolaos S. Thomaidis *, † † Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece German Environment Agency, 06844 Dessau-Roßlau, Germany Electronic Supplementary Material (ESI) for Environmental Science: Processes & Impacts. This journal is © The Royal Society of Chemistry 2017