Membranes made from the carbon-based material graphene oxide could act as perfect molecular sieves when immersed in water, blocking all molecules or ions with a hydrated size larger than 9 angstroms. This new result, from researchers at the University of Manchester in the UK, means that the laminated nanostructures might be ideal for water filtration and desalination applications…
http://nanotechweb.org/cws/article/tech/56242
