Dear all,
I would like to announce the recent publication on insecticides and sunscreen in dolphin fetus: *Toxic heritage: Maternal transfer of pyrethroid insecticides and sunscreen agents in dolphins from Brazil.* M.B. Alonso, M.L. Feo, C. Corcellas, P. Gago-Ferrero, C.P. Bertozzi, J. Marigo, L. Flach, A.C.O. Meirelles, V.L. Carvalho, A.F. Azevedo, J.P.M. Torres, J. Lailson-Brito, O. Malm, M.S. Diaz-Cruz, E. Eljarrat, D. Barcelo (2015) *Environmental Pollution, Volume 207, December 2015, Pages 391–402* ABSTRACT: Pyrethroids (PYR) and UV filters (UVF) were investigated in tissues of paired mother-fetus dolphins from Brazilian coast in order to investigate the possibility of maternal transfer of these emerging contaminants. Comparison of PYR and UVF concentrations in maternal and fetal blubber revealed Franciscana transferred efficiently both contaminants to fetuses (F/M > 1) and Guiana dolphin transferred efficiently PYR to fetuses (F/M > 1) different than UVF (F/M < 1). PYR and UVF concentrations in fetuses were the highest-ever reported in biota (up to 6640 and 11,530 ng/g lw, respectively). Muscle was the organ with the highest PYR and UVF concentrations (p < 0.001), suggesting that these two classes of emerging contaminants may have more affinity for proteins than for lipids. The high PYR and UVF concentrations found in fetuses demonstrate these compounds are efficiently transferred through placenta. This study is the first to report maternal transfer of pyrethroids and UV filters in marine mammals. The full text and pdf is available from: http://www.sciencedirect.com/science/article/pii/S0269749115300865 Open access: https://www.researchgate.net/publication/282731803_Toxic_heritage_Maternal_transfer_of_pyrethroid_insecticides_and_sunscreen_agents_in_dolphins_from_Brazil For any questions or requests, please email: Mariana Alonso: alonso...@gmail.com <s...@st-andrews.ac.uk> Cheers, Mariana *..............................................* *Mariana Batha Alonso, PhD* *Post Doctoral Researcher* Environmental Health San Diego State University (SDSU), CA, USA Southern California Coastal Water Research Project Agency (SCCWRP) Costa Mesa, CA, USA Biophysics Institute Federal University of Rio de Janeiro (UFRJ), RJ, Brazil Aquatic Mammal and Bioindicator Laboratory Rio de Janeiro State University (UERJ), RJ, Brazil
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