1. Chemical Engineering Department Engineering Research & Renewable Energy Institute, National Research Centre Giza Egypt
2. Abteilungsleiter Plasmatechnik und Oberflächen Fraunhofer Institute for Manufacturing Technologies and Advanced Materials (IFAM) Bremen Germany
3. Water Pollution Research Department Environmental Research Institute, National Research Centre Giza Egypt
4. Department of Molecular Biology and Genetics Faculty of Science and Art, Bingol University Bingol Turkey