1. Chemistry Dept., Nuclear Research Centre Negev, Beer-Sheva, Israel
2. Sami Shamoon College of Engineering, Beer-Sheva, Israel
3. Chemistry Dept., Ben-Gurion University of the Negev, Beer-Sheva, Israel
4. Physics Dept., Ben-Gurion University of the Negev, Beer-Sheva, Israel
5. Materials Engineering Dept., Ben-Gurion University of the Negev, Beer-Sheva, Israel
6. Biological Chemistry Dept., Ariel University Center of Samaria, Ariel, Israel
7. Chemistry and Pharmaceutical Dept., Friedrich-Alexander-Universitat Erlangen-Nuernberg-Germany, Germany