Research News

October 14, 2008

Raising Awareness of Ghanaian Farmers

It's not often that a group of eight women college students visits rural farming areas of Ghana. A simple act by a village queen the students met soon after their arrival helped erase any potentially awkward situations. Her gesture not only put the visiting Americans more at ease, but also provided [...]

September 17, 2008

Duke to Lead New NSF, EPA Funded Center to Study the Environmental Implications of Nanotechnology

The National Science Foundation (NSF) and the Environmental Protection Agency (EPA) have awarded $14.4 million to create the Center for Environmental Implications of NanoTechnology (CEINT) to explore the potential ecological hazards of nanoparticles. Nanoparticles are as much as a million times [...]

September 09, 2008

Scientists form alliance to develop nanotoxicology protocols

A team of materials scientists and toxicologists announced the formation of a new international research alliance to establish protocols for reproducible toxicological testing of nanomaterials in both cultured cells and animals. Pratt's Mark Wiesner, James L. Meriam Professor of Civil and [...]

July 31, 2008

Microbe Diet Key To Carbon Dioxide Release

As microbes in the soil break down fallen plant matter, a diet "balanced" in nutrients appears to help control soil fertility and the normal release of the greenhouse gas carbon dioxide into the atmosphere.

June 03, 2008

Possible New Approach To Purifying Drinking Water

DURHAM, N.C. – A genetic tool used by medical researchers may also be used in a novel approach to remove harmful microbes and viruses from drinking water.In a series of proof-of-concept experiments, Duke University engineers demonstrated that short strands of genetic material could successfully [...]

April 11, 2008

Purifying Water on the Cheap

From a public health standpoint, one of the major issues facing underdeveloped countries is the supply of safe and clean drinking water. Countries trying to solve this problem are often daunted by the high costs of traditional water purification systems. However, a team of current and former [...]

March 19, 2008

Findings Could Improve Fuel Cell Efficiency

A new type of membrane based on tiny iron particles appears to address one of the major limitations exhibited by current power-generating fuel cell technology.

March 17, 2008

Five Questions About Rainfall and Drought for Ana Barros

Ana P. Barros a professor of environmental engineering in the Pratt School of Engineering who studies the water cycle and how land, air and water interact.

January 22, 2008

Pratt Fellow Crabtree Seeks Understanding of Flaws in "Smart Gels"

Liza Crabtree, a Pratt Undergraduate Research Fellow and civil and environmental engineering major, is working to understand the flaws that can develop in so-called stimulus-responsive hydrogels. These ‘smart gels,’ which look essentially like Jello, can be made to undergo dramatic transformation [...]

November 21, 2007

Our World of Water - Crisis and Confusion

Taken for granted by some, stolen by others, water is one of the world's most valuable commodities. In some places, a gallon of water is worth more than a gallon of petroleum, according to Miguel Medina, a specialist in hydrology and water resources at Duke's Department of Civil and Environmental [...]