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Research interests. The main area of research includes the understanding of the conditions and key parameters that modify the risk of trace metals in presence of colloids and nanoparticles in the natural environment, i.e. the transport, fate and bioavailability of the various metal species. This area includes: i) the determination of the particles diffusion coefficients/sizes using a wide range of techniques, ii) the quantification of the dynamic speciation by using voltammetric and thin-layer techniques, and iii) analytical determination of transport and bioaccumulation in algae and bivalves molluscs. The experimental results are being used to improve and develop thermodynamic models.