1. Advanced Polymer Materials Group, Faculty of Chemical Engineering and Biotechnology, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, RO-011061 Bucharest, Romania
2. Department of Biochemistry and Molecular Biology, University of Bucharest, 91-95 Splaiul Independentei Street, RO-050095 Bucharest, Romania
3. Faculty of Applied Sciences, Department of Physics, University Politehnica of Bucharest, 313 Splaiul Independentei, RO-060042 Bucharest, Romania