1. Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering; University of Concepcion; Concepcion 4070409 Chile
2. Group of Biomaterials; Institute of Polymer Science and Technology, ICTP-CSIC, C/Juan de la Cierva 3; Madrid 28006 Spain
3. Laboratorio de Química de Productos Naturales, Facultad de Ciencias Naturales y Oceanográficas; Universidad de Concepción; Concepcion 4089100 Chile
4. Polymer Department, Faculty of Chemistry; University of Concepción; Concepcion 4089100 Chile
5. Technological Development Unit (UDT); University of Concepcion, Coronel Industrial Park; Coronel Chile