Navigation Links
The finest gold dust in the world
Date:5/30/2012

he oxygen atoms of the topmost layer are not aligned in perfectly straight lines, they are bent into wiggles by the atoms below. At the points where the lines of oxygen atoms are close to each other, the gold atoms attach permanently without losing grip. Even if the surface is heated, the gold atoms stay put only at 500 degrees celsius they start forming clusters.

"When a gold atom hits the iron oxide surface, it diffuses to one of the sites where it can be attached to the surface", says Gareth Parkinson. That way, many single gold atoms can be placed close to each other. When a gold atom hits a position already occupied by another gold atom, however, the two bond and start moving across the surface, picking up additional gold atoms along the way. When they have reached a critical size of at least five atoms, they become immobile again and the miniature gold nugget comes to rest.

New Paths for New Research

Ulrike Diebold expects that the new method will answer important open questions about catalysis. "We have created an ideal model system for probing the chemical reactivity of single atomic species", says Diebold. The recent experiments will also help to advance theoretical research: the quantum mechanically complex bonding between single atoms and this particular surfaces provide an excellent test case for theoretical calculations of highly correlated electron systems.


'/>"/>

Contact: Florian Aigner
florian.aigner@tuwien.ac.at
43-158-801-41027
Vienna University of Technology
Source:Eurekalert  

Page: 1 2

Related biology technology :

1. ETEX Corporation to present at the 9th World Biomaterial Congress
2. Neuralstem CEO to Present at the World Stem Cells and Regenerative Medicine Congress in London
3. QIAGEN Joins Grand Challenges in Global Health Initiative to Bring Advanced Point-of-Care Diagnostics to Worlds Poorest Countries
4. Roche Launches 454 Sequencing Assays for High Sensitivity Genetic Variant Detection in Leukemia Samples to Drive Blood Cancer Research Worldwide
5. Regulus Receives Allowance from Japan and U.S. Patent Offices for HCV Intellectual Property, Expanding Leading Worldwide Patent Estate
6. PharmAthene Presents Update on SparVax™ rPA Anthrax Vaccine Program at the 2012 World Vaccine Congress
7. Novartis launches the Cancer Cell Line Encyclopedia to catalog worlds cancer cell lines
8. Heptares Grants Shire an Exclusive Worldwide Licence to Develop and Commercialise Novel Drug Candidate for CNS Disorders
9. Dyadic International Launches FibreZyme® G5000 High Performance Powder Pulp and Paper Enzyme in Booth #1065 at Tissue World Americas Conference
10. Wake Forest Baptist Medical Center Unveils Historic World-Class Biotech Research & Innovation Center in Downtown Winston-Salems Growing Piedmont Triad Research Park
11. ResearchMoz: Oxygen Concentrator Market Shares, Strategies and Forecasts, Worldwide, 2012 to 2018
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
The finest gold dust in the world
(Date:7/25/2014)... each person,s digestive tract. Scientists believe that some of ... infections, but their role in human health is not ... role of these bacteria, a team of researchers led ... in the bacterial populations of two research subjects over ... 25 issue of the journal Genome Biology , ...
(Date:7/25/2014)... Pittsburgh, PA (PRWEB) July 25, 2014 ... annual Call for Topics for Conferee Networking. These two-hour ... similar interests to meet and resolve problems, discuss new ... , The deadline to submit a topic for consideration ... at pittcon.org . The Conferee Networking committee will ...
(Date:7/25/2014)... 25, 2014 Sinovac Biotech Ltd. (Nasdaq: ... China , today announced that it will release ... 30, 2014, after market close on Thursday, August 14, 2014 ... the market opening on Friday, August 15, 2014, at 8:00 ... Standard Time) to review the Company,s financial results and provide ...
(Date:7/24/2014)... PARK, Calif. , July 24, 2014 /PRNewswire/ ... company in the emerging field of regenerative medicine, ... webcast of a presentation to investors on Tuesday, ... p.m. PDT.  The presentation will include an overview ... To access the webcast, visit http://www.ustream.tv/channel/asterias-biotherapeutics ...
Breaking Biology Technology:Monitoring the rise and fall of the microbiome 2Monitoring the rise and fall of the microbiome 3Pittcon 2015 Announces Call for Topics for Conferee Networking Sessions 2Sinovac to Host Conference Call to Report Second Quarter 2014 Unaudited Financial Results 2Asterias Biotherapeutics Announces Live Investor Webcast 2Asterias Biotherapeutics Announces Live Investor Webcast 3Asterias Biotherapeutics Announces Live Investor Webcast 4
... team of researchers, including 10 from Texas A&M University, have ... to have been in existence immediately after the creation of ... could lead to new questions and answers about some of ... a new form of matter. Researchers Carl Gagliardi, Saskia ...
... , ... ... ... ...
... ... ... ... ...
Cached Biology Technology:From 2-trillion-degree heat, researchers create new matter -- and new questions 2NeoStem Enters into SRA with University of Michigan; Funding from NIH Stem Cell Research Grant 2NeoStem Enters into SRA with University of Michigan; Funding from NIH Stem Cell Research Grant 3NeoStem Enters into SRA with University of Michigan; Funding from NIH Stem Cell Research Grant 4NeoStem Enters into SRA with University of Michigan; Funding from NIH Stem Cell Research Grant 5NeoStem Enters into SRA with University of Michigan; Funding from NIH Stem Cell Research Grant 6NeoStem Enters into SRA with University of Michigan; Funding from NIH Stem Cell Research Grant 7NeoStem Enters into SRA with University of Michigan; Funding from NIH Stem Cell Research Grant 8NeoStem Enters into SRA with University of Michigan; Funding from NIH Stem Cell Research Grant 9Atacama Labs Enters Into Partnership With Excella Gmbh, Which is Part of Fareva Holding, a Top 10 Global Contract Manufacturer 2Atacama Labs Enters Into Partnership With Excella Gmbh, Which is Part of Fareva Holding, a Top 10 Global Contract Manufacturer 3Atacama Labs Enters Into Partnership With Excella Gmbh, Which is Part of Fareva Holding, a Top 10 Global Contract Manufacturer 4
(Date:7/25/2014)... , July 25, 2014 Biometrics ... are turning to digital technology for online & commerce ... Google Inc. (NASDAQ: GOOG ), LifeLock Inc. ... V ), Apple Inc. (NASDAQ: AAPL ... Inc., (OTCQB: NXTD) a biometric authentication company focused on ...
(Date:7/24/2014)... leads to conflict among people around the world, a ... Health & Ecosystems: Analysis of Linkages (HEAL) Program Director ... tackle global biodiversity decline. , The harvest of wild ... and provides protein for more than a billion of ... that today,s unprecedented loss of wildlife, is bringing with ...
(Date:7/24/2014)... , July 24, 2014 /PRNewswire-iReach/ -- The Geneva ... from cardiac devices, has cut emergency room wait times ... San Diego (UCSD) Medical Center, according to a recent ... UCSD Emergency Departments are using the suite to access ... pacemakers or defibrillators. "Using Geneva,s technology platform ...
Breaking Biology News(10 mins):Consumer Needs for Identity Theft Security Grows with Popularity of Latest Smart Technology Products - Biometrically Secure Digital Wallet to Replace Credit Card Dependency 2Consumer Needs for Identity Theft Security Grows with Popularity of Latest Smart Technology Products - Biometrically Secure Digital Wallet to Replace Credit Card Dependency 3Consumer Needs for Identity Theft Security Grows with Popularity of Latest Smart Technology Products - Biometrically Secure Digital Wallet to Replace Credit Card Dependency 4Consumer Needs for Identity Theft Security Grows with Popularity of Latest Smart Technology Products - Biometrically Secure Digital Wallet to Replace Credit Card Dependency 5Consumer Needs for Identity Theft Security Grows with Popularity of Latest Smart Technology Products - Biometrically Secure Digital Wallet to Replace Credit Card Dependency 6New study draws links between wildlife loss and social conflicts 2UC San Diego Medical Center Cuts Average ER Wait Time by 92 Minutes using the Geneva Healthcare Suite 2UC San Diego Medical Center Cuts Average ER Wait Time by 92 Minutes using the Geneva Healthcare Suite 3
... be discussed at the forthcoming UN climate conference in ... some species from extinction but inadvertently increase the risk ... of the world,s top tropical forest scientists, coordinated by ... of carbon-rich tropical forests will help reduce climate change ...
... but when they,re potted with strangers of the same species ... reveals. The research, which appears in the current issue ... plants will not only compete underground for soil nutrients, but ... the ongoing struggle for light. It follows previous research ...
... scientists has developed a new approach to studying how immune ... described in the November 15 issue of Nature Methods ... bodies they secrete molecules, leaving behind chemical trails as they ... time that immune cells follow these trails in order to ...
Cached Biology News:New climate treaty could put species at risk 2Plants prefer their kin, but crowd out competition when sharing a pot with strangers 2Scientists guide immune cells with light and microparticles 2
... DNase I Amplification ... double-stranded DNA to oligodeoxyribonucleotides. ... >10000 units/mg. DNAse I ... purified and tested for ...
... DNase I, ds Qualified is a special preparation ... used for double stranded cleavage of DNA molecules. ... Mg2+, the enzyme makes double strand breaks at ... the resulting fragments can be controlled by the ...
... Thermo Hybaid's unique Electro-4 design allows ... the Electro-4 it is possible to run ... tank, by stacking up to four,horizontal gels. ... adjustable according to the number of gels ...
... Continuing a tradition of progressive centrifuge design ... series. The Centra-CL3 and Centra-CL3R (refrigerated) general ... laboratory., Quality Control Over Sample Preparation ... lock up to 99 protocols and has ...
Biology Products: