Browsing by Autor "Corinne Casiot"

Now showing 1 - 6 of 6

Antimony isotopic composition in stream waters impacted by acid mine drainage
(2021) Eléonore Resongles; Rémi Freydier; Colin Ferrari; Corinne Casiot; Gerardo Zamora Echenique
Antimony isotopic composition in stream waters impacted by acid mine drainage
(Centre National de la Recherche Scientifique, 2021) Eléonore Resongles; Rémi Freydier; Ferrari, Colin; Gerardo Zamora; Corinne Casiot
Child neurodevelopment in a Bolivian mining city
(Elsevier BV, 2011) María Ruiz‐Castell; Pamela Paco; Flavia-Laura Barbieri; Jean‐Louis Duprey; Joan Forns; Anne‐Elie Carsin; Rémi Freydier; Corinne Casiot; Jordi Sunyer; Jacques Gardon
CHILD NEURODEVELOPMENT IN A BOLIVIAN MINING CITY
(National Institute of Environmental Health Sciences, 2011) María Ruiz‐Castell; Pamela Paco; Flavia-Laura Barbieri; Jean‐Louis Duprey; Joan Forns; Anne-Elie Carsina; Rémi Freydier; Corinne Casiot; Jordi Sunyer; Jacques Gardon
Background and Aims: This study evaluates the neurodevelopment of children living near highly contaminated mining industries during their first year of life. Methods: Participants from the city of Oruro (Bolivia) were prospectively recruited during pregnancy and followed-up between May 2007 and November 2009. Questionnaires were used to obtain information regarding the pregnant women’s socioeconomic status, as well as anamnesis. Neurodevelopment was tested on 246 children using the Bayley Scales of Infant Development (BSID) at 10.5 to 12.5 months of age. Trace elements (Pb, As, Cd, Sb, Cs, Zn, Fe, Cu, Se, Rb, Sr) exposure during prenatal life was evaluated by testing maternal blood concentrations before delivery. Results: The blood lead concentration of pregnant women was low, considering the contaminated environmental context. The geometric mean was 1.85µg/dL (95% IC: 1.71; 2.00), a level almost comparable with those observed in non contaminated areas. The only element found to be relatively elevated was antimony, with 1.03µg/dL (95% IC: 0.94; 1.13). The Bayley Scales of Infant Development (BSID) did not reveal mental or psychomotor abnormalities associated to blood levels of trace metals during pregnancy. Almost all levels were lower than the control limits. Conclusion: Our results suggest that women from this mining area were poorly exposed.
Deciphering Sb Sources and Transport Processes in a Mining and Smelting-Impacted River System (Oruro, Bolivia): Insights from Sb Isotopes
(Springer Science+Business Media, 2025) Colin Ferrari; Eléonore Resongles; Rémi Freydier; Magdalena Marleni Marroquin Flores; Mauricio Ormachea; Gerardo Zamora Echenique; Corinne Casiot
Toxic trace elements in maternal and cord blood and social determinants in a Bolivian mining city
(Taylor & Francis, 2015) F. Barbieri; Jacques Gardon; María Ruiz‐Castell; Pamela Paco V.; Rebecca Muckelbauer; Corinne Casiot; Rémi Freydier; Jean‐Louis Duprey; Chih‐Mei Chen; Jacqueline Müller‐Nordhorn
This study assessed lead, arsenic, and antimony in maternal and cord blood, and associations between maternal concentrations and social determinants in the Bolivian mining city of Oruro using the baseline assessment of the ToxBol/Mine-Niño birth cohort. We recruited 467 pregnant women, collecting venous blood and sociodemographic information as well as placental cord blood at birth. Metallic/semimetallic trace elements were measured using inductively coupled plasma mass spectrometry. Lead medians in maternal and cord blood were significantly correlated (Spearman coefficient = 0.59; p < 0.001; 19.35 and 13.50 μg/L, respectively). Arsenic concentrations were above detection limit (3.30 μg/L) in 17.9% of maternal and 34.6% of cord blood samples. They were not associated (Fischer's p = 0.72). Antimony medians in maternal and cord blood were weakly correlated (Spearman coefficient = 0.15; p < 0.03; 9.00 and 8.62 μg/L, respectively). Higher concentrations of toxic elements in maternal blood were associated with maternal smoking, low educational level, and partner involved in mining.