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FOR 1536:  INTERNANO: Mobility, aging and functioning of engineered inorganic nanoparticles at the aquatic-terrestrial interface

Fachliche Zuordnung Agrar-, Forstwissenschaften und Tiermedizin
Biologie
Medizin
Förderung Förderung von 2011 bis 2020
Projektkennung Deutsche Forschungsgemeinschaft (DFG) - Projektnummer 172114680
 
INTERNANO focuses on processes relevant for the river-topsoil-groundwater pathway in floodplain soils. This highly sensitive interfacial zone between aquatic and terrestrial ecosystems serves as hotspot of environmental transformation processes. The overall aim of INTERNANO is to generate systematic understanding of the relevant environmental processes controlling aging and biological functioning of engineered inorganic nanoparticles (EINP) with respect to aquatic biofilms and invertebrates and transport through soil. In this context, we define aging as the entity of processes leading to transformation of EINP in the environment without complete loss of the original nanoparticle phase (Schaumann et al. submitted).The INTERNANO results of the first phase provide congruent information on aging processes of EINP in the aquatic-terrestrial interface and their effects on EINP functioning. In the second phase, INTERNANO will complement and systematize the generated knowledge using the example of the thermodynamically stable metallic (Au) and oxidic (TiO2) nanoparticles (NP), respectively, as well as the less stable Ag NP and NP of its secondary product, i.e. Ag2S NP. We aim at deducing cornerstones for knowledge transfer to metallic and oxidic EINP in more general, based on the determination a set of accessible EINP properties. Thereby, we will test our hypotheses exemplarily for pathways and under conditions relevant for the floodplain system also for a larger set of EINP.
DFG-Verfahren Forschungsgruppen
Internationaler Bezug Schweden

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