… the research and development projects on nanomaterials and other advanced materials listed below. For more information on these projects please refer to the research … out. From the overview thus obtained, three nanocarrier types and the active substances they contain will be selected as examples for further investigations. … out. From the overview thus obtained, three nanocarrier types and the active substances they contain will be selected as examples for further investigations. …

… benefits and the possible risks posed by nanomaterials. The nanoscale form of a substance does not necessarily constitute a hazard or risk. However, nanomaterials … benefits and the possible risks posed by nanomaterials. The nanoscale form of a substance does not necessarily constitute a hazard or risk. However, nanomaterials …

… biphenyls (PCBs) are also in the group of chlorinated hydrocarbons. They comprise a substance group that have a varying number of chlorine atoms attached to a biphenyl … polychlorinated biphenyls (PCBs), and certain herbicides. In the meantime these substances have been regulated through legislation banning their use. The major … various studies and are updated as new knowledge is gained. Therefore different lists of these factors exist which must be taken into consideration when comparing …

… according to experimental demands. The fine dosing systems allow small amounts of substances to be added in various ways (e.g. continuously over a longer period of … according to experimental demands. The fine dosing systems allow small amounts of substances to be added in various ways (e.g. continuously over a longer period of …

… Persistent Organic Pollutants? Persistent organic pollutants are organic chemical substances that possess a particular combination of physical and chemical … Commission website. National obligations The production and use of POPs that are listed in the Protocol on POPs and the Stockholm Convention is already prohibited in … the Federal Environment Agency focuses on the identification of new POPs and their listing in both treaties. Moreover, the Stockholm Convention stresses the importance …

… field situation. One objective of mesocosm experiments is to examine the effects of substances and microorganisms, which are selectively introduced into the systems on … concerning their dispersion and stability in different aquatic compartments. The substances can either be introduced into surface waters by treated municipal wastewater (e.g. pharmaceuticals, substances containing hormones, detergents and cleansing agents, industrial …