1. School of Pharmacy and Life Sciences, Robert Gordon University, Sir Ian Wood Building, Garthdee Road, Aberdeen AB10 7GJ, U.K.
2. Department of Hydraulic and Environmental Engineering, Federal University of Ceará, Avenida Humberto Monte, Pici Campus Block 713 (first floor), Fortaleza, Ceará 60440-593, Brazil
3. Institute of Inorganic and Analytical Chemistry, Justus Liebig University, Heinrich-Buff-Ring 17, Giessen D-35392, Germany