In the World: Nanotech on the Farm | NDN
 

In the World: Nanotech on the Farm

Summary posted by Meridian on 3/12/2010
Source: MIT News
Author: Anne Trafton

The article discusses a project organized by Meridian Institute, and funded by the Bill & Melinda Gates Foundation, to help smallholder farmers in sub-Saharan Africa improve agricultural efficiency. A team of scientists traveled to Kenya and Ghana last summer, to study three agricultural value chains: cassava, dairy, and maize. The team came up with over 200 innovative ideas to help farmers overcome obstacles they face on a daily basis, and have since narrowed these down to 22 concepts, several of which involve the application of nanotechnology. Cassava is a staple crop for millions of people in Africa, but it has a short shelf life, and will spoil within one to three days after harvest. Farmers must get it to a processing center as soon as possible or it will go to waste. Paula Hammond, a professor of chemical engineering at the Massachusetts Institute of Technology (MIT), United States, and a member of the project team, along with other scientists, is working to design a plastic storage bag lined with nanoparticles that would react with oxygen, preventing the rotting. According to Hammond, the bag "would enable farmers to harvest and store and process at times convenient to them." Other nanotechnology based solutions include a milk container with antimicrobial properties that would preserve milk longer than the plastic jugs currently used by most dairy farmers, and a nanopatterned paper diagnostic tool to detect heat and pregnancy in cows. Todd Barker, a Partner at Meridian Institute, says the next step is to develop, test and bring these ideas to commercialization, "... to make sure the ideas that came out of the trip reach the farmers in Africa." The article can be viewed online at the link below.

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