Elena de la Fuente is a Professor of Chemical and Materials Engineering Department at Complutense University of Madrid, Spain from November 2010 – until now. Areas of Professional Interest as followings: Nanocelluloses (NC) and their use in papermaking and in cement and concrete composites, flocculation in: papermaking, waste treatments and fiber reinforced cement. Methods and techniques they use: Focused beam reflectance measurement, different methods for NC production and characterization.