Safety, maintenance and nanotechnologies: an introductory state of art about the risk assessment methodologies and the potentialities

Nanotechnology is a science still in process of research and development. Different challenges are still to be solved for their full evaluation especially from the safety and maintenability point of view. The ambition of the present work is a rationalized state of the art of the scientific publications and of the industrial applications, in order to offer a general and critical view and orient possible future applied researches.