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Co-encapsulation of Daphnia magna and microalgae in silica matrices, a stepping stone toward a portable microcosm

Mercedes Perullini 1 Frédéric Orias 2 Claude Durrieu 2 Matias Jabbagy 1
1 INQUIMAE - Instituto de Química Física de los Materiales, Medio Ambiente y Energía [Buenos Aires]
2 Impacts des Polluants sur les Écosystèmes
LEHNA - Laboratoire d'Ecologie des Hydrosystèmes Naturels et Anthropisés
Abstract : We report on the ␣rst silica encapsulation of a metazoan (Daphnia magna), with a high initial viability (96% of the population remained active 48 h after encapsulation). Moreover, the co-encapsulation of this crustacean and microalgae (Pseudokirchneriella subcapitata) was achieved, creating inside a silica monolith, the smallest microcosm developed to present. This arti␣cial ecosystem in a greatly diminished scale isolated inside a silica nanoporous matrix could have applications in environmental monitoring, allowing ecotoxicity studies to be carried out in portable devices for on-line and in situ pollution level assessment.
Keywords : magna-microalgae Daphnia Microcosm Silica co-encapsulation
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https://hal-sde.archives-ouvertes.fr/hal-01085030
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Submitted on : Thursday, November 20, 2014 - 3:45:59 PM
Last modification on : Tuesday, March 17, 2020 - 2:37:01 AM

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Mercedes Perullini, Frédéric Orias, Claude Durrieu, Matias Jabbagy. Co-encapsulation of Daphnia magna and microalgae in silica matrices, a stepping stone toward a portable microcosm. Plant Biotechnology Reports, Springer Verlag, 2014, 4, pp.147-150. ⟨10.1016/j.btre.2014.10.002⟩. ⟨hal-01085030⟩

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