[1] Univ Concepcion, Ctr Biotecnol, Concepcion, Chile
[2] Univ Concepcion, Fac Ciencias Forestales, Concepcion, Chile
[3] Univ Concepcion, Fac Ingn, Dept Ingn Quim, Concepcion, Chile
[4] Ctr Excelencia Nanotecnol CEN, Santiago, Chile
[5] Univ Concepcion, Fac Ciencias Quim, Concepcion, Chile