Navigation Links
Walking molecule now carries packages

A research team, led by UC Riverside's Ludwig Bartels, was the first to design a molecule that can move in a straight line on a flat surface. Now this team has found a way to attach cargo: two CO2 molecules, making the nano-walker a molecule carrier.

The work will be published Thursday, Jan. 18 in "Science Express" and later in the print-version of the journal "Science."

"This is an unprecedented step forward towards the realization of molecular-scale machinery," said Bartels, associate professor of chemistry and a member of UCR's Center for Nanoscale Science and Engineering. "Our experiments show a means to transport molecules reliably. This will become as important to the molecular machinery of the future as trucks and conveyor belts are for factories of today."

The last paper Bartels and his team published on this subject generated a great deal of interest. It was included in the American Institute of Physics "Top 25 Physics Stories for 2005." The new molecule carrier runs on a copper surface. It can pick up and release up to two carbon dioxide (CO2) molecules and carry them along its straight path.

"Carrying a load slows the molecule down" explained Bartels. "Attachment of one CO2 molecule makes the carrier need twice as much energy for a step, and a carrier with two CO2s requires roughly three times the energy. This is not unlike a human being carrying heavy loads in one or both hands." Bartels explained that using machines at the scale of single molecules will ultimate be the most efficient way to build objects or to deliver material.

"It resembles the way nature does it: the molecule carrier transports carbon dioxide across a surface," he said. "In the human body, the molecule hemoglobin carries oxygen from and carbon dioxide to the lungs, thereby allowing us to breathe ?and to live."

Bartels cautions, however, that this research is still in its infancy. "In 2005 we invented the molecular walker, whi
'"/>

Source:University of California - Riverside


Page: 1 2

Related biology news :

1. Walking not enough for significant exercise benefits
2. Chemists create Superbowl molecule; May lead to better health
3. Key molecule in plant photo-protection identified
4. Inflammatory molecules released by pollen trigger allergies
5. Researchers discover molecule that causes secondary stroke
6. Yale researchers identify molecule for detecting parasitic infection in humans
7. Scientists identify molecule that regulates well-known tumor suppressor
8. Medical molecules designed to respond to visible light that can penetrate tissue
9. Researchers find promising cancer-fighting power of synthetic cell-signaling molecule
10. Chemists synthesize molecule that helps body battle cancers, malaria
11. DNA constraints control structure of attached macromolecules
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Walking molecule now carries packages

(Date:9/2/2014)... team of University of Maryland physicists has published ... say make possible new nanostructures and nanotechnologies with ... quantum computing advances to new sensor development. , ... Nature Communications the Maryland scientists, primary discovery ... nanostructures that uses a connector, or "intermedium," nanoparticle ...
(Date:9/2/2014)... always true that digital distribution of media will ... means, at least when file sizes are large. ... in Yale,s Journal of Industrial Ecology ... for consoles such as PlayStation3. Researchers found that ... greenhouse gas emissions than game files downloaded over ...
(Date:9/2/2014)... study provides evidence that physical barriers formed ... argue that the same factor responsible for much ... also responsible for the linguistic diversity in the ... interaction between speech communities. Therefore, spatially isolated languages ... reduction of linguistic contact. , "Charles Darwin would ...
Breaking Biology News(10 mins):New synthesis method may shape future of nanostructures, clean energy 2New synthesis method may shape future of nanostructures, clean energy 3
... power of viruses is well documented in human history. ... the great Goliaths of human civilization, most famously in ... European conquest and settlement. In recent years, there ... effect of the pandemics in the Americas wasn,t confined ...
... information is a basic property of biological systems. Common ... Transmission of signals occurs at an even ... molecules, which bear a phosphate or a sulfate group. ... are of supreme importance, they have been extensively studied ...
... often focused on its potential effects on coral reefs, ... may be more significant, according to Donald Potts, a ... of California, Santa Cruz, and an expert in coral ... give an invited talk on "Geobiological Responses to Ocean ...
Cached Biology News:New World post-pandemic reforestation helped start Little Ice Age, say Stanford scientists 2New World post-pandemic reforestation helped start Little Ice Age, say Stanford scientists 3Sulfurous ping-pong in the urinary tract 2Sulfurous ping-pong in the urinary tract 3Ocean acidification could have broad effects on marine ecosystems 2
(Date:9/2/2014)... , Sept. 2, 2014 Orexigen Therapeutics, ... the U.S. Patent and Trademark Office (PTO) has issued ... being evaluated for weight loss. NB32 is a fixed-dose ... U.S. Patent No. 8,815,889 claims methods for ... bupropion. The patent expires in 2024. If NB32 is ...
(Date:9/2/2014)... September 02, 2014 PMG Research, ... 11th clinical research site: PMG Research of Rocky Mount. ... operation of the clinical research department at Boice-Willis ... presence in eastern North Carolina. This new site enhances ... patients in Rocky Mount and the surrounding communities, this ...
(Date:9/1/2014)... (PRWEB) September 01, 2014 The ... $1,712.1 million by 2019 from $1,070.7 million in ... 2014 to 2019. The global oligonucleotide synthesis market ... services, applications, end users, and geography. The synthesized ... growth rate in the oligonucleotide synthesis market during ...
(Date:8/31/2014)... 2014 This is a professional ... the Epoxy Hardener industry in Global and ... the industry, including definitions, applications and industry chain ... analysis are provided with a focus on history, ... A comparison between the international and Chinese situation ...
Breaking Biology Technology:Orexigen Expands NB32 Intellectual Property Portfolio With New U.S. Patent 2Orexigen Expands NB32 Intellectual Property Portfolio With New U.S. Patent 3Orexigen Expands NB32 Intellectual Property Portfolio With New U.S. Patent 4PMG Research Announces the Formation of its Eleventh Site 2PMG Research Announces the Formation of its Eleventh Site 39.8% CAGR for Oligonucleotide Synthesis Market Globally to 2019 Says a New Research Report Available at RnRMarketResearch.com 29.8% CAGR for Oligonucleotide Synthesis Market Globally to 2019 Says a New Research Report Available at RnRMarketResearch.com 39.8% CAGR for Oligonucleotide Synthesis Market Globally to 2019 Says a New Research Report Available at RnRMarketResearch.com 49.8% CAGR for Oligonucleotide Synthesis Market Globally to 2019 Says a New Research Report Available at RnRMarketResearch.com 5Epoxy Hardener Industry Development Trends in Global & China Regions Now Available at ReportsnReports.com 2Epoxy Hardener Industry Development Trends in Global & China Regions Now Available at ReportsnReports.com 3
... , , ... pesticide residues in food and environmental samples requires the use ... technologies. In this , application note the benefits ... is described. In particular the role of the collision cell in the MS/MS , ...
... This paper addresses managers in different industries and describes the ... increases productivity, and touches upon subjects such as ease of use, ... also describes the main criteria managers should consider when choosing the ... Table of Contents: , ...
... by Erwin Hauser, Chief Engineer, KNF Neuberger, ... Introduction , ... drying operations, condensate may collect in the vacuum pump head. Consequently, the ... evacuate the designated volume. New, self-drying pumps clear moisture from the ...
Cached Biology Technology:Fast Multi-Residue Pesticide Analysis in Soil and Vegetable Samples 2Fast Multi-Residue Pesticide Analysis in Soil and Vegetable Samples 3Fast Multi-Residue Pesticide Analysis in Soil and Vegetable Samples 4Increase Your Organizations Productivity with LabVIEW 2Increase Your Organizations Productivity with LabVIEW 3Increase Your Organizations Productivity with LabVIEW 4Increase Your Organizations Productivity with LabVIEW 5Increase Your Organizations Productivity with LabVIEW 6Increase Your Organizations Productivity with LabVIEW 7Increase Your Organizations Productivity with LabVIEW 8Increase Your Organizations Productivity with LabVIEW 9Increase Your Organizations Productivity with LabVIEW 10Increase Your Organizations Productivity with LabVIEW 11Increase Your Organizations Productivity with LabVIEW 12Increase Your Organizations Productivity with LabVIEW 13Increase Your Organizations Productivity with LabVIEW 14Increase Your Organizations Productivity with LabVIEW 15Increase Your Organizations Productivity with LabVIEW 16Self-Drying Vacuum Pumps... the solution for applications producing condensation 2Self-Drying Vacuum Pumps... the solution for applications producing condensation 3Self-Drying Vacuum Pumps... the solution for applications producing condensation 4
... Disposable. Virgin, optically clear polystyrene with ... alphanumeric coordinates for cell counting. 100% ... is a new product number, created ... If showing no availability yet, please ...
... CLS number is a new ... match Cornings product number. If ... order under the old Sigma-Aldrich ... service for assistance. Mfr ...
ABgene® supplies a 94kDa ultra-pure recombinant thermostable DNA polymerase obtained by high level expression of the Taq DNA polymerase gene in E. coli....
From formula-fed bovine calves Sterile, Cell culture tested...
Biology Products: