Navigation Links
Gold nanoparticles give an edge in recycling CO2
Date:10/24/2013

PROVIDENCE, R.I. [Brown University] By tuning gold nanoparticles to just the right size, researchers from Brown University have developed a catalyst that selectively converts carbon dioxide (CO2) to carbon monoxide (CO), an active carbon molecule that can be used to make alternative fuels and commodity chemicals.

"Our study shows potential of carefully designed gold nanoparticles to recycle CO2 into useful forms of carbon," said Shouheng Sun, professor of chemistry and one of the study's senior authors. "The work we've done here is preliminary, but we think there's great potential for this technology to be scaled up for commercial applications."

The findings are published in the Journal of the American Chemical Society.

The idea of recycling CO2 a greenhouse gas the planet current has in excess is enticing, but there are obstacles. CO2 is an extremely stable molecule that must be reduced to an active form like CO to make it useful. CO is used to make synthetic natural gas, methanol, and other alternative fuels.

Converting CO2 to CO isn't easy. Prior research has shown that catalysts made of gold foil are active for this conversion, but they don't do the job efficiently. The gold tends to react both with the CO2 and with the water in which the CO2 is dissolved, creating hydrogen byproduct rather than the desired CO.

The Brown experimental group, led by Sun and Wenlei Zhu, a graduate student in Sun's group, wanted to see if shrinking the gold down to nanoparticles might make it more selective for CO2. They found that the nanoparticles were indeed more selective, but that the exact size of those particles was important. Eight nanometer particles had the best selectivity, achieving a 90-percent rate of conversion from CO2 to CO. Other sizes the team tested four, six, and 10 nanometers didn't perform nearly a
'/>"/>

Contact: Kevin Stacey
kevin_stacey@brown.edu
401-863-3766
Brown University
Source:Eurekalert  

Page: 1 2

Related biology news :

1. Stealth nanoparticles lower drug-resistant tumors defenses
2. Researchers figure out why gold nanoparticles can penetrate cell walls
3. Nanoparticles, pH phoresis could improve cancer drug delivery
4. MU researchers develop radioactive nanoparticles that target cancer cells
5. Trackable drug-filled nanoparticles -- a potential weapon against cancer
6. X-rays reveal uptake of nanoparticles by soya bean crops
7. Achilles heel: Popular drug-carrying nanoparticles get trapped in bloodstream
8. Nanoparticles reach new peaks
9. Study reports iron oxide nanoparticles effective for labeling human endothelial cells
10. Synthetic and biological nanoparticles combined to produce new metamaterials
11. UC Davis researchers develop new drug delivery system for bladder cancer using nanoparticles
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Gold nanoparticles give an edge in recycling CO2
(Date:3/2/2015)... Calif. , March 2, 2015 ... leading developer of human interface solutions, today announced ... that is designed to enable rapid and secure ... ID™ module for gaming is a turnkey solution ... the ability to quickly integrate fingerprint ID solutions ...
(Date:3/2/2015)... 2015  Businesses have a new option for ... Rankins Enterprises has announced the launch of a ... for businesses to protect their customers, personal data, ... Beconux is a biometric transaction processing system ... to an ATM machine, the new system fuses ...
(Date:3/2/2015)...   Neurotechnology , a provider of high-precision biometric, ... Software Development Kit (SDK). The SentiGaze algorithm enables ... webcams to track eye movements and generate heatmaps based ... can be used for applications such as analysis of ... SDK can also be used to develop interfaces for ...
Breaking Biology News(10 mins):Synaptics Unveils New Fingerprint ID Solution for Gamers 2Synaptics Unveils New Fingerprint ID Solution for Gamers 3Personal Data Protection Company Launches New Product 2Neurotechnology Releases SentiGaze SDK for Eye Movement Tracking Using Ordinary Webcams 2Neurotechnology Releases SentiGaze SDK for Eye Movement Tracking Using Ordinary Webcams 3
... clean, local-source energy. Faster, more reliable technologies and ... Medical care tailored to your DNA, or neural ... and injuries. Five University of Pittsburgh faculty ... and technology as part of Faculty Early Career ...
... technology, researchers led by a Weill Cornell Medical College scientist ... about half of all prostate cancers. Estrogen-linked signaling helps ... by a chromosomal translocation, which in turn results in the ... cancers harbor a common recurrent gene fusion, and we believe ...
... life to thrive: temperature, or sunlight? The answer ... online this week in PNAS Early Edition, the explosion ... do with warmth than with light. The diversity ... strongly related to temperature, said University of Southern California ...
Cached Biology News:Pitt faculty receive awards to explore next-generation technologies 2Pitt faculty receive awards to explore next-generation technologies 3Pitt faculty receive awards to explore next-generation technologies 4Estrogen helps drive distinct, aggressive form of prostate cancer 2Estrogen helps drive distinct, aggressive form of prostate cancer 3What makes life go at the tropics? 2
(Date:3/3/2015)... (PRWEB) March 03, 2015 GlobalStemCellsGroup.com ... growing faculty. Camacho Alcocer, a biomedical researcher and founding ... will join GSCG’s team of biomedical professors who will ... program. , Criogenix SA de CV is a private ... Technological Institutions and Companies in Mexico (RENIECYT). , Camacho ...
(Date:3/3/2015)... -- Phillip Sharp, Institute Professor at the Massachusetts Institute of Technology ... the Koch Institute for Integrative Cancer Research, will receive the ... May 14, at the Chemical Heritage Foundation. Sharp is ... it was first awarded to Ralph Landau ... gave the scientific world a new view of the ...
(Date:3/2/2015)... 02, 2015 The American Society ... announced today the launch of Genetically Speaking , ... professionals on the application of human genetics in disease ... peer-to-peer interviews conducted during the ASHG 2014 Annual Meeting ... Genomics and Health Outcomes Research: What's Ready for Primetime? ...
(Date:3/2/2015)... Md. (PRWEB) March 02, 2015 Shimadzu ... sessions and present on LCMS and marijuana analysis at ... place March 8 to 12 at the Ernest N. ... Attendees can stop by booth 3121 to discuss laboratory ... the company’s innovative, proven products help save time, money ...
Breaking Biology Technology:Mario Camacho Alcocer Joins Global Stem Cells Group Faculty 2Mario Camacho Alcocer Joins Global Stem Cells Group Faculty 3Phillip Sharp to Receive 2015 Othmer Gold Medal 2Phillip Sharp to Receive 2015 Othmer Gold Medal 3American Society of Human Genetics (ASHG) and ReachMD Launch Series on Genetics and Genomics 2American Society of Human Genetics (ASHG) and ReachMD Launch Series on Genetics and Genomics 3Shimadzu Scientific Instruments Announces Product Launches, Presentations and Poster Sessions for Pittcon 2015 2Shimadzu Scientific Instruments Announces Product Launches, Presentations and Poster Sessions for Pittcon 2015 3
... Marinus Pharmaceuticals, a,developer of specialty therapeutics to treat ... Krayacich as president,and chief executive officer. Mr. Krayacich ... business development for ganaxolone, an adult and,pediatric epilepsy ... candidate., Mr. Krayacich brings more than 20 ...
... (Amex: NBS ),announced today that the new Southern Florida ... Miami, is targeted to open in,September. The center is being ... of this center, NeoStem has secured a key geographic,stronghold in ... as well as a,growing sophisticated South American presence., Chester ...
... Company hits key insulin and Apo AI(Milano), ... 5 /PRNewswire-FirstCall/ - SemBioSys Genetics Inc.,(TSX:SBS), a biotechnology ... and cardiovascular diseases, today announced its,2008 second quarter ... Insulin Program, - Submitted an ...
Cached Biology Technology:Marinus Pharmaceuticals Appoints John Krayacich as President and Chief Executive Officer 2Marinus Pharmaceuticals Appoints John Krayacich as President and Chief Executive Officer 3Marinus Pharmaceuticals Appoints John Krayacich as President and Chief Executive Officer 4NeoStem Forges Ahead in Its Plan to Open Adult Stem Cell Collection Centers in Key Locations that Can Serve as Hubs to Service Clients Nationwide 2NeoStem Forges Ahead in Its Plan to Open Adult Stem Cell Collection Centers in Key Locations that Can Serve as Hubs to Service Clients Nationwide 3SemBioSys announces second quarter 2008 financial and operational results 2SemBioSys announces second quarter 2008 financial and operational results 3SemBioSys announces second quarter 2008 financial and operational results 4SemBioSys announces second quarter 2008 financial and operational results 5SemBioSys announces second quarter 2008 financial and operational results 6SemBioSys announces second quarter 2008 financial and operational results 7SemBioSys announces second quarter 2008 financial and operational results 8SemBioSys announces second quarter 2008 financial and operational results 9SemBioSys announces second quarter 2008 financial and operational results 10SemBioSys announces second quarter 2008 financial and operational results 11SemBioSys announces second quarter 2008 financial and operational results 12SemBioSys announces second quarter 2008 financial and operational results 13
... (Ser385) Immunogen: ... acid region encompassing the human, ... Accession Number: ... Quality Assurance: Routinely evaluated ...
Mouse monoclonal [MN-8C4] to zona radiata ( Abpromise for all tested applications). Antigen: Purified eggshell proteins (zona radiata proteins and small amounts of zona pellucida proteins) from ...
CCNI Antibody...
...
Biology Products: