February 27, 2013

Silver Nanoparticles May Adversely Affect Environment

DURHAM, N.C. -- In experiments mimicking a natural environment, Duke University researchers have demonstrated that the silver nanoparticles used in many consumer products can have an adverse effect on plants and microorganisms. Fifty days after scientists applied a single low dose of silver [...]

December 12, 2012

Sediment Biogeochemistry Model wins Best Poster

In the long run, most of the nanosilver that will enter aquatic environments will end up in river and lake sediments, so it is important to know what happens to the silver nanoparticles in these sediments. Amy Dale, a Ph.D. student CEINT affiliate at Carnegie Mellon University has developed the [...]

November 22, 2012

ES&T special sub-issue highlights methods for detection of CNTs

CEINT research groups led by Dr. P. Lee Ferguson and Dr. Desiree L. Plata have published papers anchoring a new special sub-issue of Environmental Science & Technology. The papers significantly advance scientists' ability to detect and quantify carbon nanotubes (CNT) in the environment. Dr. [...]

August 28, 2012

Mesocosm facility, home to 30 wetland mesocosms

There are 30 active mesocosms in the facility, and CEINT is currently in its third year of experiments. A diverse group of scientists are researching the effects of nanoparticles in the water, sediment and select species living in these isolated environments. Learn more about the mesocosm facility

May 23, 2012

Former CEINT REU Student Honored at White House Events

Ms. Shorma Bianca Bailey, CEINT REU student (summer 2011) has been invited to the White House twice in the last year by the Obama administration for her inspirational work as a mentor and as role model for minority women in science and engineering. A senior Chemical Engineering major from Howard [...]

April 30, 2012

CEINT paper, one of Aquatic Toxicology’s most downloaded

AgNPs, picture obtained by transmission electron microscopy CEINT continues to make a global impact in the field aquatic toxicology. A paper published in 2010 by CEINT researchers collaborating at Duke and the CEREGE in France was number 3 in the list of most downloaded articles in 2011 from the [...]

April 26, 2012

Paper Makes JEM Top 10 Most Accessed

Characterization of Ti,O particle aggregates in SS II. A paper published by CEINT researchers collaborating at Virginia Tech and Duke has made the list of top ten accessed articles from the online version of the Journal of Environmental Monitoring, during the month of March. Characterization and [...]

February 24, 2012

Wiesner, guest on Radio In Vivo

CEINT's director, Mark Wiesner, was recently interviewed by Ernie Hood on Radio In Vivo, a weekly science radio program that features interviews with scientists in the North Carolina Research Triangle. In January 2012, the National Academy of Sciences published a report titled, "A research strategy [...]

January 26, 2012

Panel Urges Review of Nanomaterials Risks

Following the publication of a special report issued by the National Academy of Science calling for increased research into the environmental health and safety of engineered nanomaterials, CEINT director Professor Mark Wiesner was interviewed by the New York Times for comments. Professor Wiesner [...]

January 17, 2012

CEINT research featured in C&EN’s Chemistry Year in Review

Tobacco hornworms shown to accumulate gold nanoparticles. Each year, C&E News publishes hundreds of articles on important research advances in chemistry. In their annual Chemistry Year in Review the C&E News editors reveal their choices for some of the “superlative achievements” in [...]

November 08, 2011

Does Every Silver Lining Have a Cloud?

A new educational video "Does Every Silver Lining Have a Cloud?" featuring the Duke led Center for the Environmental Implications of NanoTechnology (CEINT) was just released. This video focuses on CEINT researchers discussing their integrated research initiatives which are designed to link [...]

July 18, 2011

Mark Wiesner receives the 2011 Clarke Prize

FOUNTAIN VALLEY, Calif. – The benefits and potential risks of using nanotechnology to revolutionize water treatment processes were highlighted at the Eighteenth Annual NWRI Clarke Prize Lecture and Award Ceremony, held by the National Water Research Institute (NWRI) of Fountain Valley, California, [...]

June 28, 2011

Characterizing the corrosion processes of Silver Nanoparticles

Many toxicity studies show the toxic effect of silver nanoparticles (Ag-NPs). However most of these toxicity studies are not relevant to environmental conditions because they do not consider transformations of Ag-NPs expected in the environment and, therefore, may not be evaluating the [...]

May 17, 2011

Mark Wiesner to Receive the 2011 Clarke Prize

FOUNTAIN VALLEY, Calif. – The National Water Research Institute (NWRI) announced today that environmental engineer Mark R. Wiesner, the James L. Meriam Professor of Civil and Environmental Engineering Duke University, is the eighteenth recipient of the NWRI Athalie Richardson Irvine Clarke [...]

December 16, 2010

Nanoparticles found in food chain of tobacco hornworms

A new study by CEINT researchers provides the first evidence that nanoparticles can build up in a terrestrial food chain. Paul Bertsch and colleagues at the University of Kentucky have found that gold nanoparticles accumulate in tobacco plants and then concentrate further in tobacco hornworms ( [...]