antilenmonica

Mónica Antilén L.
Phone: (56-2) 2354 4745
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Assistant Professor
PhD in Chemistry.
Universidad de Santiago de Chile, 2002

 

 

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The research line is Soil Chemistry, with emphasis on environmental events from organic and inorganic pollutants. From the above the study has focused on the following aspects:


(A) Forest Fires and their impact on soils: Research in this area considers: i) Application of temperature in soils and its effect on chemical, physical and biological properties after thermal impact; ii) Recovery of burned soils with organic-solid residues from domestic wastewater treatment plants iii) Chemical Fractionation of Heavy Metals before and after heat treatment and iv) Simulation of temperature curves in soils at different depths.
Suelos volcanicos

(B) Electrochemistry, Kinetics and Adsorption: This area includes i) Development of new detection methodologies for Fluoroquinolones (FQs) and Sulfonamides (SFs) in the soil-solution environment; ii) Electrochemical kinetic study and analytical parameters of veterinary antibiotics (FQs and SFs) and iii) Applicability of electrochemical techniques to evaluate adsorption of veterinary antibiotics on humic substances and / or clays from soils.
Ilustración 1 Antilen

(C) Soil Organic Matter: Organic Matter (OM) is a fundamental component in Chilean volcanic soils. Currently this topic is being addressed through the study of humic substances that considers: 1) Use as a composite in modified electrodes; 2) Characterization of redox, acid-base and surfactants properties; 3) Potential applicability of humic acids in industrial mining processes; 4) Role of humic acid in adsorption-desorption processes of antibiotics for veterinary use; 5) Transportation and Mobility of antibiotics considering as variables pH, surface charge.
Ilustración 2 Antilen

(D) Transport and Mobility of Antibiotics: This area, recently initiated, aims to study the phenomenon of transport of antibiotics on volcanic soils with emphasis on pH, with obtaining adsorption data (Kd) through batch studies and columns of low pressure, which will allow the determination of concentration in real time to simulate different transport conditions of two families of antibiotics. The differentiation of adsorption will be used in the evaluation of the impact of antibiotics in the microbial community of soils, as well as the application and validation of predictive models of antibiotics allowing thus to establish a biological-environmental impact of mobility in space and time.
Ilustración 3 Antilen