Add BrightSurf on Google Email

Search results for “Carbon Nanotubes”

1,000+ results for "Carbon Nanotubes"

Rice rolls 'neat' nanotube fibers

Researchers at Rice University have successfully created strong conductive carbon threads using single-walled carbon nanotubes. By infusing the nanotubes with potassium and employing cage-like crown ethers, they were able to align the tubes and create a gel that could be extruded into fibers.

SourceRice University·JournalACS Nano·DateSep 15, 2014

Scientists uncover combustion mechanism to better predict warming by wildfires

Researchers from Los Alamos National Laboratory and Carnegie Mellon University uncover key attributes of brown carbon, a toxic airborne particle that warms the atmosphere. The study reveals that brown carbon shares a common production mechanism with black carbon, leading to significant underestimation of warming effects in climate models.

SourceDOE/Los Alamos National Laboratory·JournalNature Geoscience·DateAug 4, 2014

Climate change and the soil

A new study published in Nature Climate Change reveals that long-term warming has little effect on the storage of carbon in tropical forest soils. The research suggests that warmer temperatures stimulate an increase in leaf litter and underground sources of carbon, offsetting any potential losses in soil carbon.

SourceCarnegie Institution for Science·JournalNature Climate Change·DateJul 23, 2014

Researchers unzip nanotubes by shooting them at 15,000 mph

Researchers at Rice University have found a way to unzip carbon nanotubes into graphene nanoribbons without using chemicals, by firing them at high speeds. The process works by hitting the nanotubes broadside or lengthwise, resulting in ribbons with ragged edges that can be used for strength and electrical properties.

SourceRice University·JournalNano Letters·DateJun 30, 2014

Short nanotubes target pancreatic cancer

Researchers at Rice University have developed customized carbon nanotubes that can deliver chemotherapy agents to pancreatic cancer cells. The nanotubes are small enough to pass through the pores of cancer-related blood vessels, allowing them to target and infiltrate the nuclei of cancerous cells.

SourceRice University·JournalJournal of Materials Chemistry B·DateJun 5, 2014

Microscopic organism plays a big role in ocean carbon cycling, Scripps scientists discover

A Scripps Institution of Oceanography study finds that Alteromonas bacteria can consume as much dissolved organic carbon as diverse communities of organisms. This discovery sheds light on the complex mechanisms of ocean carbon cycling and highlights the importance of individual species in regulating atmospheric carbon dioxide.

SourceUniversity of California - San Diego·JournalProceedings of the National Academy of Sciences·DateApr 24, 2014

Rebar technique strengthens case for graphene

Researchers at Rice University have developed a new hybrid material by combining carbon nanotubes with graphene, resulting in improved electrical and mechanical properties. The 'rebar graphene' technique enables large, flexible, conductive sheets of graphene to be manipulated more easily, making it a potential replacement for indium ti...

SourceRice University·JournalACS Nano·DateApr 7, 2014

Rice's carbon nanotube fibers outperform copper

Carbon nanotube-based fibers have been shown to carry electrical current up to four times that of copper wires of the same mass. The fibers' ability to transmit current makes them ideal for lightweight power transmission in aerospace applications, where weight is a significant factor.

SourceRice University·JournalAdvanced Functional Materials·DateFeb 14, 2014

E-whiskers

Researchers at Berkeley Lab created highly sensitive tactile sensors using composite films of carbon nanotubes and silver nanoparticles, 10 times more sensitive than previous pressure sensors. These e-whiskers can be integrated into various systems to enable robots to 'see' and 'feel' their surroundings.

SourceDOE/Lawrence Berkeley National Laboratory·JournalProceedings of the National Academy of Sciences·DateJan 21, 2014

Big data project reveals where carbon-stocking projects in Africa provide the greatest benefits

A new study by Aarhus University reveals the optimal locations for carbon-stocking projects in Africa, prioritizing regions with high carbon potential, biodiversity conservation, and feasibility. The research identifies areas such as the Upper Guinean rainforests of West Africa and the Lower Guinean rainforests along the coast of Niger...

SourceAarhus University·JournalNature Communications·DateDec 19, 2013

Scientists scale terahertz peaks in nanotubes

In a breakthrough discovery, Rice University researchers found that free electrons in metallic and doped carbon nanotubes create plasmons at terahertz frequencies, enabling the potential for advanced optoelectronic devices. This finding clarifies the origin of the previously observed terahertz peak in nanotubes.

SourceRice University·JournalNano Letters·DateDec 9, 2013

Lawrence Livermore researchers unveil carbon nanotube jungles to better detect molecules

Researchers from Lawrence Livermore National Laboratory and ETH Zurich develop a new method of using carbon nanotubes to detect molecules, enabling trace detection of biological threats, explosives and drugs. The use of metal-coated nanotubes creates a 'jungle canopy' that amplifies the detection capabilities in surface-enhanced Raman ...

SourceDOE/Lawrence Livermore National Laboratory·JournalAdvanced Materials·DateNov 6, 2013

Defective nanotubes turned into light emitters

UPV/EHU researchers have developed a new source of light emitter based on defective boron nitride nanotubes, which can emit light across the whole spectrum from infrared to far ultraviolet and control it in a simple way. The device functions on the basis of natural defects in the nanotube, enabling controlled emission.

SourceElhuyar Fundazioa·JournalScientific Reports·DateOct 31, 2013

Turning plastic bags into high-tech materials

Researchers have developed a process to transform non-biodegradable plastic grocery bags into carbon nanotube membranes, offering potential solutions for environmental pollution and producing high-added value products. The innovative method uses waste plastic as a carbon source, eliminating the need for complex processes and equipment.

SourceUniversity of Adelaide·JournalCarbon·DateSep 25, 2013

Smile!

A new nanotube surface could improve the success rate of dental implants by reducing infection and promoting bone growth. The technology, developed by Michigan Technological University researchers, uses titanium dioxide nanotubes to create a surface that can combat bacterial infections and promote healing.

SourceMichigan Technological University·JournalRSC Advances·DateSep 21, 2013

Bismuth-carrying nanotubes show promise for CT scans

Rice University scientists have developed bismuth-filled nanotubes as a contrast agent for CT scans, producing brighter images than common iodine-based agents. The nanotube capsules are small enough to diffuse into cells and aggregate to produce high-contrast images.

SourceRice University·JournalJournal of Materials Chemistry B·DateSep 4, 2013

Soil carbon 'blowing in the wind'

A new study reveals that Australian soils are losing significant amounts of carbon to wind erosion, with an estimated 1.6 million tonnes lost annually. This loss affects not only agricultural productivity but also the country's carbon accounts and climate change projections.

SourceCSIRO Australia·JournalGlobal Change Biology·DateAug 6, 2013

Broadband photodetector for polarized light

Rice University and Sandia National Laboratories have created a solid-state electronic device that detects polarized light across the visible and infrared spectrum. The new photodetector uses aligned carbon nanotubes to provide intrinsic polarization sensing, unlike traditional methods which rely on filters or gratings.

SourceRice University·JournalACS Nano·DateJul 16, 2013

A new form of carbon: Grossly warped 'nanographene'

Researchers at Boston College and Nagoya University have synthesized the first example of a new form of carbon, grossly warped graphene, which alters its physical, optical and electronic properties. The new material consists of multiple identical pieces of warped graphene with exactly 80 carbon atoms joined together in a network of 26 ...

SourceBoston College·JournalNature Chemistry·DateJul 15, 2013