In silico study of PEI-PEG-squalene-dsDNA polyplex formation: the delicate role of the PEG length in the binding of PEI to DNA

Using a two step simulation protocol the atomistic interactions between PEG and b-PEI and the effect of these interactions on DNA binding were determined

Comparative behavior of relevant micropollutants in different water matrices by uv254 and simulated solar light irradiation and neutral photo-fenton process

This is a comparative study of photolytic degradation under exposure to UV254 nm and solar-simulator irradiation of a mixture of eight equally concentrated relevant micropollutants (atenolol, benzotriazole, clarithromycin, gabapentin, methylbenzotriazole, metformin, metoprolol and primidone; 2 µM of each compound) in the presence of H2O2 and Fe(II) in ultrapure water, Lake Geneva water, and effluent from a wastewater treatment plant (WWTP). The results indicate that the oxidation rate increased in the presence of low-concentration H2O2 and Fe(II), except for metformin and methylbenzotriazole. Fenton and photo-Fenton employing sunlight simulation reached low micropollutant removal rates. The water matrix plays an important role on photodegradation reaction yields

Chemical, Biological and Ecotoxicological Assessment of Pesticides and Persistent Organic Pollutants in the Bahlui River, in Romania

Background, aim, and scope Current knowledge on environmental impacts of industrial activities in Romania, particularly persistent organic pollutants (POPs), indicates that environmental standards of the European Union are not systematically met. In our study area, additional sources of POPs are agriculture and domestic wastes. Very scarce information is available upon environmental contaminations and effects. In the present study, we investigated the chemical pollution and their eventual impact on the ecosystem by measuring POPs and by using biological indicators of pollution