International Board and Scientific Committee Member of Masters Course in Nanotechnology and Nanotech for Cultural Preservation, Universitá degli Studi di Palermo, Italy. He has established a wide circle of national and international collaborations leading to many publications, joint proposals, and visits. He has also obtained Royal Society, Royal Academy of Engineering, FCT (Fundação para a Ciência e a Tecnologia) and FLAD (Fundação Luso-Americana para o Desenvolvimento) travel grants to give invited lectures overseas, in Asia, Africa and the Americas.