When did you choose to do research? Somewhere is I think, research choose me. I was a student in medicine at Johns Hopkins back in the 1979th hoping to do some research relevant to the diseases of the third world.

The filter could be used to recycle sewage on a space station, but the main focus is the use of ultra pure water in the fabrication of semiconductors.

Silver has been used as biocide for medical purposes since the 1930s. Today nanometric size silver particles are used to prevent unpleasant odour caused by bacteria in sport shirts or socks .

Membranes for water purification are used in many applications and different types of membranes are being developed at the moment. No membrane can filter and purify water entirely, but improvements using novel kinds of membranes are made.

Dr. Anne Beeldens and colleagues at the Belgian Road Research Centre have tested air purification efficiency by TiO2 NP-containing pavement blocks on parking lanes in Antwerp.

In the young nanoecotoxicology field researchers such as Dr. Irina Blinova and colleagues at the National Institute of Chemical Physics and Biophysics in Estonia evaluate nanoparticles’ (NPs) interaction with their environment.

In February 2009, Peter Agre was inducted as the 163rd president of the American Association for the Advancement of Science (AAAS), the nation's largest scientific organization.