Navigation Links
Researchers measure carbon nanotube interaction
Date:10/16/2007

LIVERMORE, Calif. Carbon nanotubes have been employed for a variety of uses including composite materials, biosensors, nano-electronic circuits and membranes.

While they have proven useful for these purposes, no one really knows much about whats going on at the molecular level. For example, how do nanotubes and chemical functional groups interact with each other on the atomic scale" Answering this question could lead to improvements in future nano devices.

In a quest to find the answer, researchers for the first time have been able to measure a specific interaction for a single functional group with carbon nanotubes using chemical force microscopy a nanoscale technique that measures interaction forces using tiny spring-like sensors. Functional groups are the smallest specific group of atoms within a molecule that determine the characteristic chemical reactions of that molecule.

A recent report by a team of Lawrence Livermore National Laboratory researchers and colleagues found that the interaction strength does not follow conventional trends of increasing polarity or repelling water. Instead, it depends on the intricate electronic interactions between the nanotube and the functional group.

This work pushes chemical force microscopy into a new territory, said Aleksandr Noy, lead author of the paper that appears in the Oct. 14 online issue of the journal, Nature Nanotechnology.

Understanding the interactions between carbon nanotubes (CNTs) and individual chemical functional groups is necessary for the engineering of future generations of sensors and nano devices that will rely on single-molecule coupling between components. Carbon nanotubes are extremely small, which makes it particularly difficult to measure the adhesion force of an individual molecule at the carbon nanotube surface. In the past, researchers had to rely on modeling, indirect measurements and large microscale tests.

But the Livermore team w
'/>"/>

Contact: Anne Stark
stark8@llnl.gov
925-422-9799
DOE/Lawrence Livermore National Laboratory
Source:Eurekalert

Page: 1 2

Related biology technology :

1. Tapping hidden assets: Wisconsin researchers who can create jobs
2. National Academies induct five UW researchers
3. Wisconsin researchers defend stem cell company
4. NimbleGen partners with leading researchers
5. Medical College researchers win federal grants
6. Researchers say scientific reporting needs more perspective, less hype
7. Congress passes bill to ease researchers collaboration worries
8. Researchers report development of embryonic stem cells without destroying embryo
9. New digs for UW AIDS researchers
10. Medical College researchers receive new grants to enhance discovery of heart-protecting anesthetics
11. Cloning ban too broad, stem-cell researchers argue
Post Your Comments:
*Name:
*Comment:
*Email:
(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)... BENSALEM, Pa. , July 25, 2014 /PRNewswire-iReach/ ... services and consulting for global corporations operating in ... will host its first annual Global User Group ... in historic Philadelphia, Pennsylvania ... Photo - http://photos.prnewswire.com/prnh/20140724/130263 ...
(Date:7/24/2014)... NY - July 24, 2014 -- Keryx Biopharmaceuticals, Inc. ... the long-term, randomized, active control Phase 3 study of ... phosphate binder, for the treatment of hyperphosphatemia in patients ... study (PhosphatE binding and iRon delivery with FErric CiTrate ... Journal of the American Society of Nephrology ( ...
(Date:7/24/2014)... Calif. , July 24, 2014  Now available ... to home. Rehealth Regenerative Therapies , located in ... and other physically active people a new health option: ... Regardless of age, countless patients suffer from joint ... activities, such as muscle tears, torn rotator cuff, tennis ...
Breaking Biology Technology:Pittcon 2015 Announces Call for Topics for Conferee Networking Sessions 2Xybion Announces It Will Host International User Conference in Philadelphia 2Xybion Announces It Will Host International User Conference in Philadelphia 3Zerenex (ferric citrate) long-term Phase 3 study results published in JASN 2Zerenex (ferric citrate) long-term Phase 3 study results published in JASN 3Zerenex (ferric citrate) long-term Phase 3 study results published in JASN 4Stem Cells In Sports Injuries, Joints And Muscular Pain 2Stem Cells In Sports Injuries, Joints And Muscular Pain 3
... , , Mark Churchill and Mark Harrison, Thermo Finnigan, , ... , , Bioanalytical Method Validation , ... using , a Thermo Finnigan TSQ Quantum mass spectrometer, , ... , , , , Guidelines on Bioanalytical ...
... , , , , , , ... Beecham Pharmaceuticals , , Metabolite ... Finnigan LCQ , Series of ion trap mass spectrometers. , ... , An integral part of the process by ...
... , , , , Jack Cunniff, Philip Tiller, Michael Harvey, ... , , , , , ... using the Thermo Finnigan LCQ , Series of ion trap mass spectrometers. , ... , For more than five thousand years tea has been used in ...
Cached Biology Technology:Bioanalytical Method Intraday Validation for the Quantitation of Paroxetine , in Bovine Plasma using the TSQ Quantum Mass Spectrometer 2Bioanalytical Method Intraday Validation for the Quantitation of Paroxetine , in Bovine Plasma using the TSQ Quantum Mass Spectrometer 3Bioanalytical Method Intraday Validation for the Quantitation of Paroxetine , in Bovine Plasma using the TSQ Quantum Mass Spectrometer 4Bioanalytical Method Intraday Validation for the Quantitation of Paroxetine , in Bovine Plasma using the TSQ Quantum Mass Spectrometer 5Bioanalytical Method Intraday Validation for the Quantitation of Paroxetine , in Bovine Plasma using the TSQ Quantum Mass Spectrometer 6In-Vitro Metabolism Studies Using Data-Dependent LC/MSn 2In-Vitro Metabolism Studies Using Data-Dependent LC/MSn 3In-Vitro Metabolism Studies Using Data-Dependent LC/MSn 4In-Vitro Metabolism Studies Using Data-Dependent LC/MSn 5In-Vitro Metabolism Studies Using Data-Dependent LC/MSn 6Structural Determination of Flavonoids Using MSn 2Structural Determination of Flavonoids Using MSn 3Structural Determination of Flavonoids Using MSn 4
(Date:7/24/2014)... July 24, 2014 -- Keryx Biopharmaceuticals, Inc. (Nasdaq:KERX) (the ... randomized, active control Phase 3 study of Zerenex (ferric ... for the treatment of hyperphosphatemia in patients with end-stage ... binding and iRon delivery with FErric CiTrate in EsrD) ... the American Society of Nephrology ( JASN ). ...
(Date:7/24/2014)... Scientists at The New York Stem Cell Foundation ... creating a viable cell replacement therapy for multiple ... For the first time, NYSCF scientists generated induced ... of patients with primary progressive multiple sclerosis and ... these stem cells into becoming oligodendrocytes, the myelin-forming ...
(Date:7/24/2014)... have decreased by 45% on average over a 35 ... a study on the impact of humans on declining ... benefits invertebrates such as insects, spiders, crustaceans, slugs and ... pest control for crops, decomposition for nutrient cycling, water ... Science and led by UCL, Stanford and ...
Breaking Biology News(10 mins):Zerenex™ (ferric citrate) long-term Phase 3 study results published in JASN 2Zerenex™ (ferric citrate) long-term Phase 3 study results published in JASN 3Zerenex™ (ferric citrate) long-term Phase 3 study results published in JASN 4NYSCF scientists 1 step closer to cell therapy for multiple sclerosis patients 2Invertebrate numbers nearly halve as human population doubles 2Invertebrate numbers nearly halve as human population doubles 3
... what they want, to paraphrase the Rolling Stones, but sometimes ... that will appear in the May issue of the ... broad sweep of evolutionary changes in life on earth as ... shifts. And yet the amount of variability seen among successive ...
... ,PORTLAND, Ore. April 2, 2010. Countless studies and reports exist ... is the impact on the soil? Should one leave the ... offsite in preparation for replanting the area in the future? ... possible, that the debris remaining on the ground after logging ...
... (ACMGF) has awarded Dr. Marilyn M. Li, of the ... Medicine the 2010-2011 Luminex/ACMGF Award at the ACMG 2010 ... includes a $100,000 grant and is aimed at the ... including the development of research guidelines. "Medical ...
Cached Biology News:Ecologists receive mixed news from fossil record 2Study reveals that logging debris suppresses development of an invasive competitor, Scotch broom 2Dr. Marilyn M. Li, M.D., FACMG, is the 2010 Luminex/ACMGF award recipient 2
Anti-Potassium Channel Kv2.2 Immunogen: Synthetic peptide from rat Kv2.2. Available Date: 38376...
MagSi uniform silica particles coated with a carboxyl group containing polymer, covalently attached to the bead surface....
Antibeta-lactoglobulin monoclonal antibody(CD-2)...
MAb to Vasopressin Preservative: NaN3...
Biology Products: