Barros, A. A., Aroso I. M., Silva T. H., Mano J. F., Duarte A. R. C., and Reis R. L.,  "Water and Carbon Dioxide:Green Solvents for the extraction of Collagen/Gelatin from Marine Sponges",  ACS Sustainable Chemistry & Engineering, doi:10.1021/sc500621z, 2014.