Ferreira H., Martins A., Silva M. L. A., Amorim S., Faria S., Pires R. A., Reis R. L., and Neves N. M.,  "The functionalization of natural polymer-coated gold nanoparticles to carry bFGF to promote tissue regeneration",  J. Mater. Chem. B, vol. 6, issue 14, pp. 2104-2115, doi:10.1039/C7TB03273K, 2018.