1. Department of Chemistry, University of Puerto Rico, Puerto Rico.
2. Tissue Engineering, Regenerative Medicine and Cell Therapies Laboratory, CUCAIBA, La Plata, Argentina.
3. Department of Biology, University of Puerto Rico, Puerto Rico.
4. Department of Chemical Engineering, University of Puerto Rico, Puerto Rico.
5. Department of Chemistry, Jauretche University, Florencio Varela, Argentina.
6. School of Physics, National University of La Plata, La Plata, Argentina.