Navigation Links
Environmental fate of nanoparticles depends on properties of water carrying them
Date:5/2/2008

The fate of carbon-based nanoparticles spilled into groundwater and the ability of municipal filtration systems to remove the nanoparticles from drinking water depend on subtle differences in the solution properties of the water carrying the particles, a new study has found.

In slightly salty water, for example, clusters of Carbon 60 (C60) would tend to adhere tightly to soil or filtration system particles. But where natural organic compounds or chemical surfactants serve as stabilizers in water, the C60 fullerene particles would tend to flow as easily as the water carrying them.

In some cases, the nanoparticles move very little and you would get complete retention in the soil, said Kurt Pennell, a professor in the School of Civil and Environmental Engineering at the Georgia Institute of Technology. But in different solution conditions or in the presence of a stabilizing agent, they can travel just like water. The movement of these nanoparticles is very sensitive to the solution conditions.

Research into the transport and retention of C60 nanoparticles was reported April 11 in the online version of the American Chemical Society journal Environmental Science and Technology and will be published later in the print edition. The research was funded by the U.S. Environmental Protection Agency.

Comparatively little research has been done on what happens to nanoparticles when they are released through accidental spills or when products containing them are discarded. Researchers want to know more about the environmental fate of nanoparticles to avoid creating problems like those of polychlorinated biphenyls (PCBs), in which the harmful effects of the compounds were discovered only after their use became widespread.

It will be difficult to control the waste stream, so these nanoparticles are likely to get everywhere, said Pennell. We want to figure out now what will happen to them and how toxic they will be in
'/>"/>

Contact: John Toon
jtoon@gatech.edu
404-894-6986
Georgia Institute of Technology Research News
Source:Eurekalert  

Page: 1 2 3

Related biology news :

1. Stevens Center for Science Writings honors environmental critics with Green Book Award, April 30
2. Environmental enrichment can reduce cocaine use, researchers find
3. Outstanding undergraduates recognized in agronomy, crop, soil, and environmental sciences
4. Harold Mooney wins prestigious Tyler Prize for Environmental Achievement
5. Winners of 2008 Tyler Environmental Prize announced
6. Turtle studies suggest health risks from environmental contaminants
7. Strategy for nanotechnology-related environmental, health and safety research
8. Conservation strategies must shift with global environmental change, says CU-Boulder study
9. Environmental epigenetics has potential for preventing and treating disease
10. Pervasive environmental sensing a possibility
11. Environmental groups call for increased protection of coral reefs
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Environmental fate of nanoparticles depends on properties of water carrying them
(Date:12/5/2014)... MOUNTAIN VIEW, Calif. , Dec. 4, 2014 ... and safety has boosted investments in new testing ... products has also given rise to a range ... driven by the requirements of Generation Y, which ... digital technologies. As a result, product development strategies ...
(Date:12/3/2014)... IRVINE, Calif. , Dec. 2, 2014 /PRNewswire/ ... of globally deployed, innovative test solutions for military, ... the newest version of its successful TS-900 ... the performance and features of high-end systems to ... with outstanding value compared to traditional ATE. ...
(Date:11/21/2014)... Nov. 19, 2014  Earlier this year Donald ... College, and one of the most prolific inventors in ... are transmitted from Smartphones to third party agencies. Spector ... has one of the earliest known patents in this ... in the military, child care, elder care and hospital ...
Breaking Biology News(10 mins):Emerging Technologies Enable Smarter Monitoring of Assets, Push Industrial Testing, Inspection and Monitoring Market 2Emerging Technologies Enable Smarter Monitoring of Assets, Push Industrial Testing, Inspection and Monitoring Market 3Emerging Technologies Enable Smarter Monitoring of Assets, Push Industrial Testing, Inspection and Monitoring Market 4Marvin Test Solutions Brings New Capabilities to PXI-Based Semiconductor Test with TS-960 2Marvin Test Solutions Brings New Capabilities to PXI-Based Semiconductor Test with TS-960 3Patented Biosensor Wearable Technology Provides a More Civilized Method of Quarantine 2Patented Biosensor Wearable Technology Provides a More Civilized Method of Quarantine 3Patented Biosensor Wearable Technology Provides a More Civilized Method of Quarantine 4
... to help fertilize crops, it is vital to understand the ... Burkholderia , for example, includes dangerous disease-causing pathogens one ... but also many species that are safe and important ... good and evil be told apart? Yes, UCLA life scientists ...
... in plant cells transfer energy by taking advantage ... equivalents in classical physics, according to the first ... published today in the journal Nature Communications ... composed of chromophores (responsible for the colour of ...
... a growing health problem all over the world. The development ... resistant staphylococci cause more deaths than AIDS on an annual ... new form of treatment based on marine bacteria. The results ... Staphylococci have been a big problem for hospitals ...
Cached Biology News:UCLA life scientists, colleagues differentiate microbial good and evil 2UCLA life scientists, colleagues differentiate microbial good and evil 3Quantum mechanics explains efficiency of photosynthesis 2Marine bacteria to fight tough infections 2
(Date:12/17/2014)...  Vermillion, Inc. (NASDAQ: VRML ), a ... the next step in its expanded strategy to rebuild ... the naming of current Chief Operating Officer, Valerie ... current Chairman of the Board and CEO James ... changes are effective January 1, 2015. "Jim ...
(Date:12/17/2014)... , Dec. 17, 2014 Tigercat Pharma, ... 2 study evaluating the investigational oral NK-1 receptor ... with severe, chronic itch who are unresponsive or ... including topical steroids and antihistamines. ... Visual Analog Scale (VAS) itch score from baseline, ...
(Date:12/15/2014)... & PETACH TIKVAH, Israel , ... BCLI ), a leading developer of adult ... wholly-owned subsidiary Brainstorm Cell Therapeutics Ltd. was awarded a ... Office of the Chief Scientist (OCS).  This ... receipt of grant support from the Office of the ...
(Date:12/15/2014)... 15, 2014  Origin Agritech Limited (NASDAQ GS: SEED) (" ... of crop seeds in China , today ... year 2014 ended September 30, 2014, before the market opens ... host a teleconference on January 8, 2015, at 8:00 a.m. ... to discuss the results. To participate in the call, please ...
Breaking Biology Technology:Vermillion Names Valerie Palmieri CEO; James LaFrance to continue as Chairman of Board 2Vermillion Names Valerie Palmieri CEO; James LaFrance to continue as Chairman of Board 3Vermillion Names Valerie Palmieri CEO; James LaFrance to continue as Chairman of Board 4Velocity Pharmaceutical Development, LLC and Tigercat Pharma, Inc. Announce Phase 2 Results for VPD-737 in Patients With Chronic Pruritus 2Velocity Pharmaceutical Development, LLC and Tigercat Pharma, Inc. Announce Phase 2 Results for VPD-737 in Patients With Chronic Pruritus 3Velocity Pharmaceutical Development, LLC and Tigercat Pharma, Inc. Announce Phase 2 Results for VPD-737 in Patients With Chronic Pruritus 4BrainStorm Receives $1,100,000 for its 8th Annual Non-Dilutive Grant from Israel's Chief Scientist Office 2BrainStorm Receives $1,100,000 for its 8th Annual Non-Dilutive Grant from Israel's Chief Scientist Office 3Origin Agritech Limited to Announce Fiscal 2014 Annual Financial Results on January 8th, 2015 2Origin Agritech Limited to Announce Fiscal 2014 Annual Financial Results on January 8th, 2015 3
... is created equal. Information lifecycle management, a fresh concept ... categorized and placed them into tiers associated with different ... data, from customer orders to pictures of your last ... everyone elses data. Each piece of data doesnt have ...
... - The benefits of switching to voice over Internet ... at the Italian Community Center in Milwaukee. Nearly 100 ... experiences with VoIP. , ,Clear reasons for switching to ... Pat Scheckel, VoIP practice director for Berbee Information Systems. ...
... concerned with the increasing trade imbalance with China. They would ... leveling the playing field. Perhaps Chinas economists can do the ... play catch-up with more developed countries, huge loans are often ... not necessarily for sound financial reasons. This occurred in Japan ...
Cached Biology Technology:Save money while your data grows 2VoIP: Are we there yet? 2How do you level the playing field with China? 2How do you level the playing field with China? 3
Apoptosis Detection Systems and Reagents...
... rodent oral gavage feature soft rubber tips ... trauma. Plus they are disposable, to eliminate ... of cross-contamination. Diameter: ... Length: ...
Bovine Serum Available Anticoagulants: N-02: Citrate N-04: Heparin (Na) N-06: K2EDTA N-08: Potassium Oxalate N-10: EDTA (Na) N-03: Alsevers N-05: ACD N-07: CPD N-09: K3EDTA N-11:...
DAPI: 4', 6-Diamino-2-phenylindole dihydrochloride. Antifade Solution: p-Phenylenediamine and glycerol in PBS solution. 0.4g/mL DAPI suspended in Antifade....
Biology Products: