1. B. Ajitha, Y.A.K. Redd, P.S. Reddy, Spectrochim. Acta 128, 262 (2014)
2. N. Durán, P.D. Marcato, G.I. De Souza, O.L. Alves, E. Esposito J Biomed Nanotechnol 3, 208 (2007)
3. B. Zheng, T. Kong, X. Jing, T. Odoom-Wubah, X. Li, D. Sun, F. Lu, Y. Zheng, Q. Li J Col Interf Sci 396, 145 (2013)
4. E.K. Elumalai, T.N. Prasad, N.P. Kambala, E. David, Arch Appl Sci Res. 2, 81 (2010)
5. A.K. Mittal, Y. Chisti, U.C. Banerjee, Biotechnol. Adv. 31, 356 (2013)