bcdd51df_Facts_and_figures___SciDev_Net__Importance
[Product] Nanomesh waterstick [How it works] A straw-like filtration device that uses carbon nanotubes placed on a flexible, porous, material [Developer] Seldon Laboratories, United States [Importance] 
The waterstick cleans as you drink. Doctors in Africa are using a prototype and the final product will be made available at an affordable cost in developing countries
Nanotechnology for clean water: Facts and figures - SciDev.Net
Importance