Navigation Links
Taking the 3-D measure of macromolecules:
Date:6/16/2011

The world's first three-dimensional plasmon rulers, capable of measuring nanometer-scale spatial changes in macrmolecular systems, have been developed by researchers with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab), in collaboration with researchers at the University of Stuttgart, Germany. These 3D plasmon rulers could provide scientists with unprecedented details on such critical dynamic events in biology as the interaction of DNA with enzymes, the folding of proteins, the motion of peptides or the vibrations of cell membranes.

"We've demonstrated a 3D plasmon ruler, based on coupled plasmonic oligomers in combination with high-resolution plasmon spectroscopy, that enables us to retrieve the complete spatial configuration of complex macromolecular and biological processes, and to track the dynamic evolution of these processes," says Paul Alivisatos, director of Berkeley Lab and leader of this research.

Alivisatos, who is also the Larry and Diane Bock Professor of Nanotechnology at the University of California (UC), Berkeley, is the senior author of a paper in the journal Science describing this research. The paper is titled "Three-Dimensional Plasmon Rulers." Co-authoring this paper were Laura Na Liu, who at the time the work was done was a member of Alivisatos' research group but is now with Rice University, and Mario Hentschel, Thomas Weiss and Harald Giessen with the University of Stuttgart.

The nanometer scale is where the biological and materials sciences converge. As human machines and devices shrink to the size of biomolecules, scientists need tools by which to precisely measure minute structural changes and distances. To this end, researchers have been developing linear rulers based on the electronic surface waves known as "plasmons," which are generated when light travels through the confined dimensions of noble metal nanoparticles or structures, such as gold or silver
'/>"/>

Contact: Lynn Yarris
lcyarris@lbl.gov
510-486-5375
DOE/Lawrence Berkeley National Laboratory
Source:Eurekalert  

Page: 1 2 3

Related biology news :

1. Arthritis patients taking newer treatments do not have an overall increased cancer risk
2. Major European project taking steps to protect pollinators
3. Prostate cancer spreads to bones by overtaking the home of blood stem cells
4. Why are vines overtaking the American tropics?
5. Land evapotranspiration taking unexpected turn: huge parts of world are drying up
6. WSU researchers taking sustainability of organic farming to new level
7. Taking a new look at old digs: Trampling animals may alter Stone Age sites
8. Taking the pulse of coral reefs
9. Report: Discovery networks hostage-taking a rare terror event
10. Taking the guesswork out of soil classification
11. Tracing natural hazards by taking Earths pulse
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Taking the 3-D measure of macromolecules:
(Date:2/24/2015)... , Feb. 24, 2015 This report analyzes the ... the following Segments: Face Biometrics, and Voice Biometrics. The report provides ... Japan , Europe , ... Africa , and Latin America ... through 2020. Also, a seven-year historic analysis is provided for these ...
(Date:2/18/2015)... (NASDAQ: CPHD ) today announced that its executives ... to participate via webcast. , Cowen and Company Health ... 3, 2015 at 11.20 a.m. Eastern Time , Raymond ... Wednesday, March 4, 2015 at 10.25 a.m. Eastern Time ... these events, please visit Cepheid,s website at http://ir.cepheid.com ...
(Date:2/11/2015)... 2015 According to ... Market by Product (Cards and Readers, Biometrics, Controllers, Management ... Industrial, Healthcare, Education) and By Geography - Global Forecast and Analysis ... Access Control Market is expected to reach ... CAGR of 10.6% between 2014 and 2020. ...
Breaking Biology News(10 mins):World Face and Voice Biometrics Industry 2World Face and Voice Biometrics Industry 3World Face and Voice Biometrics Industry 4World Face and Voice Biometrics Industry 5World Face and Voice Biometrics Industry 6World Face and Voice Biometrics Industry 7World Face and Voice Biometrics Industry 8World Face and Voice Biometrics Industry 9World Face and Voice Biometrics Industry 10World Face and Voice Biometrics Industry 11World Face and Voice Biometrics Industry 12World Face and Voice Biometrics Industry 13World Face and Voice Biometrics Industry 14World Face and Voice Biometrics Industry 15World Face and Voice Biometrics Industry 16Cepheid to Webcast Upcoming Financial Presentations 2Access Control Market Worth $10.4 Billion by 2020 2Access Control Market Worth $10.4 Billion by 2020 3Access Control Market Worth $10.4 Billion by 2020 4
... world,s first complete sequencing of a brown algal genome, ... towards understanding the evolution of two key prerequisites for ... the internationally renowned science magazine Nature reported ... during a five-year research project, successfully decoded all hereditary ...
... perform an amazing reproductive feat. When the single-celled organism ... - inherits a propeller to swim freely. The mother ... University of Washington (UW) researchers and their colleague ... bacterium gets the message to divide into these two ...
... N.Y. A nutrient found in egg yolks, liver and ... lifelong "dramatic" health benefits to people with Down syndrome . ... June 2 in the peer-reviewed journal Behavioral Neuroscience ... lasting cognitive and emotional benefits to people with Down syndrome. ...
Cached Biology News:How did higher life evolve? 2How did higher life evolve? 3Biosensors reveal how single bacterium gets the message to split into a swimming and a stay-put cell 2Biosensors reveal how single bacterium gets the message to split into a swimming and a stay-put cell 3Key nutrient in maternal diet promises 'dramatic' improvements for people with Down syndrome 2
(Date:3/3/2015)... ROCKVILLE, Md. , March 3, 2015  RegeneRx ... an editorial in the scientific journal, Expert Opinion ... and his colleague, Dr. Zhenggang Zhang , at ... reported that Thymosin beta 4 (TB4) has ... (PNS) remodeling 24 hours or more post-injury, leading to ...
(Date:3/3/2015)... SAN FRANCISCO , March 3, 2015 Kindred ... focused on saving and improving the lives of pets, announced ... 2014 financial results on March 12, 2015 after the market ... p.m. Eastern Time that day. Interested parties ... the US, or (484) 756-4262 internationally, and using conference ID ...
(Date:3/3/2015)... --Research and Markets ( http://www.researchandmarkets.com/research/s3s3t8/personalized ) ... report "Personalized Medicine - Scientific and Commercial ... The aim of personalized medicine or individualized ... the right patient and, in some cases, even ... according to his/her genotype. This report describes the ...
(Date:3/3/2015)... PHILADELPHIA , March 3, 2015 ... agencies with tools for implementing competency-based training to comply ... DirectCourse is offering a new crosswalk ... Services (HCBS) implement competency-based training for direct service workers ... Medicare & Medicaid Services (CMS) regulations. CMS ...
Breaking Biology Technology:Researchers at Henry Ford Hospital Propose Thymosin Beta 4 as Novel Way to Treat Neural Injury and Neurodegenerative Diseases 2Researchers at Henry Ford Hospital Propose Thymosin Beta 4 as Novel Way to Treat Neural Injury and Neurodegenerative Diseases 3Global Personalized Medicine Market Report 2015 - Scientific and Commercial Aspects 2014-2024 2Global Personalized Medicine Market Report 2015 - Scientific and Commercial Aspects 2014-2024 3Elsevier's DirectCourse Can Help States Meet and Exceed New CMS Requirements for Home and Community-Based Services 2Elsevier's DirectCourse Can Help States Meet and Exceed New CMS Requirements for Home and Community-Based Services 3
... the recycling and conversion of 60% of Three ... - Enerkem Inc., a leading advanced biofuels and ... to build and operate a second-generation biofuels production ... the company announced the signature of a Memorandum ...
... Inc. (NYSE: CRY ), an implantable biological ... will participate in the Sidoti & Company, LLC 13th Annual ... Hotel on Wednesday, March 25, 2009.D. Ashley Lee, executive vice ... Inc., will present a corporate overview at 2:05 p.m. ...
... that it has closed an internal round of financing totaling ... Elbit Imaging Ltd. (NASDAQ: EMITF ) ("EI") has ... no later than 12 months,following the date hereof by its ... take the form of Preferred Shares B, which are,convertible to ...
Cached Biology Technology:Enerkem announces plans to enter the United States with next-generation biofuels project in Mississippi 2Enerkem announces plans to enter the United States with next-generation biofuels project in Mississippi 3CryoLife to Present at Sidoti's 13th Annual New York Emerging Growth Institutional Forum 2InSightec Ltd. Announces US$15 Million Investment Round 2InSightec Ltd. Announces US$15 Million Investment Round 3
... RapidCycler is the first instrument engineered to ... is used by thousands of research centers ... Capillary tubes which are ideally suited for ... walls and extremely high surface-area-to-volume ratio. ,By ...
... is a mouse monoclonal antibody (IgG1) ... kDa glutathione-S-transferase (GST) domain from S. ... suitable for detecting fusion proteins containing ... coli , yeast, mammalian, and in ...
... produces output at 470 nm; includes interface cable ... or installed into rack or desktop boxes ... is an LED that produces either pulsed or ... region -- for fluorescence measurements. The source is ...
Sterile, Cell culture tested...
Biology Products: