title: A whole-plant mathematical model for the phytoextraction of lead (Pb) by maize.
abstract: Phytoextraction is a technology that uses plants to remove heavy metals from contaminated soils. Although it is economically attractive compared to other methods, little attention has been paid to the mathematical modeling of the mechanisms involved. In this work, we simulate the phytoextraction of Pb using a mechanistic system dynamics modelling approach and the physiology model of maize (Zea mays) as a model system as it is a good Pb accumulator and translocator. Simulation results showed that precipitation is the most important mechanism related to the uptake of Pb from the ground. The most important model parameters have been identified through sensitivity analysis.
authors.affiliation: Laboratory of Biochemical Engineering and Environmental Biotechnology, Department of Environmental Engineering, Technical University of Crete, Polytechneioupolis, 73100 Chania, Greece.
authors.forename: Eleni
authors.initials: E
authors.lastname: Chrysafopoulou
authors.forename: Jana
authors.initials: J
authors.lastname: Kadukova
authors.forename: Nicolas
authors.initials: N
authors.lastname: Kalogerakis
mesh_terms: D001673:Biodegradation, Environmental; D007854:Lead / Q000302:isolation & purification*; D008962:Models, Theoretical; D012989:Soil Pollutants / Q000302:isolation & purification*; D003313:Zea mays / Q000737:chemistry* / Q000502:physiology*
chemical_list: D012989:Soil Pollutants; D007854:Lead