[1] Univ Manchester, Sch Pharm & Pharmaceut Sci, Manchester M13 9PL, Lancs, England
[2] Univ Santiago de Compostela, Fac Fis, Dept Fis Mat Condensada, Grp Fis Coloides & Polimeros, E-15706 Santiago De Compostela, Spain
[3] Univ Santiago de Compostela, Fac Fis, Dept Fis Aplicada, E-15706 Santiago De Compostela, Spain