1 Department of Physics, 'Alexandru I. Cuza' University, 700506, Iasi, Romania. loredana.mereuta@uaic.ro.
2 Sciences Department, Interdisciplinary Research Institute, 'Alexandru I. Cuza' University, 700506, Iasi, Romania.
3 Department of Physics, 'Alexandru I. Cuza' University, 700506, Iasi, Romania.
4 Department of Bioinformatics, Kongju National University, Kongju, 32588, Republic of Korea.
5 Department of Biomedical Science and Research Center for Proteinaceous Materials (RCPM), Chosun University, Gwangju, 61452, Republic of Korea. y_k_park@chosun.ac.kr.
6 Department of Physics, 'Alexandru I. Cuza' University, 700506, Iasi, Romania. luchian@uaic.ro.