[1] Univ Autonoma San Luis Potosi, Fac Ingn, Ctr Invest & Estudios Posgrad, Av Dr Manuel Nava 6, San Luis Potosi 78210, Slp, Mexico
[2] Univ Autonoma San Luis Potosi, Fac Ciencias Quim, Ctr Invest & Estudios Posgrad, Av Dr Manuel Nava 6, San Luis Potosi 78210, Slp, Mexico
[3] Univ Guanajuato, Div Ciencias Nat & Exactas, Col Noria Alta S-N, Guanajuato 36050, Gto, Mexico