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    Université de Fribourg

    Spatial and temporal analysis of meso- and microplastic pollution in the Ligurian and Tyrrhenian Seas

    Caldwell, Jessica ; Muff, Livius F. ; Pham, Christopher K. ; Petri-Fink, Alke ; Rothen-Rutishauser, Barbara ; Lehner, Roman

    In: Marine Pollution Bulletin, 2020, vol. 159, p. 111515

    Areas like the Mediterranean coastlines, which have high population density, represent locations of high pollution risk for surrounding environments. Thus, this study aims to compare data on the abundance, size, and composition of buoyant plastic particles collected during two weeks in 2019 in the Ligurian and Tyrrhenian Seas with data from 2018. The results from 2019 show average meso- and ...

    Université de Fribourg

    Rapid and sensitive quantification of cell-associated multi-walled carbon nanotubes

    Steinmetz, Lukas ; Bourquin, Joel ; Barosova, Hana ; Haeni, Laetitia ; Caldwell, Jessica ; Milosevic, Ana ; Geers, Christoph ; Bonmarin, Mathias ; Taladriz-Blanco, Patricia ; Rothen-Rutishauser, Barbara ; Petri-Fink, Alke

    In: Nanoscale, 2020, vol. 12, no. 33, p. 17362–17372

    Evaluating nanomaterial uptake and association by cells is relevant for in vitro studies related to safe-by-design approaches, nanomedicine or applications in photothermal therapy. However, standard analytical techniques are time-consuming, involve complex sample preparation or include labelling of the investigated sample system with e.g. fluorescent dyes. Here, we explore lock-in...

    Université de Fribourg

    Assessing meso- and microplastic pollution in the Ligurian and Tyrrhenian Seas

    Caldwell, Jessica ; Petri-Fink, Alke ; Rothen-Rutishauser, Barbara ; Lehner, Roman

    In: Marine Pollution Bulletin, 2019, vol. 149, p. 110572

    As the production of plastic products continues to increase, determining the fate of plastic waste in the environment is of high importance. Densely populated areas, such as Mediterranean coastlines, represent locations of high pollution risk for surrounding environments. Thus, this study aims to assess the abundance, size, and composition of floating meso- and microplastics collected during...