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194 Current news about the topic carbon nanotubes

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Cotton fibres instead of carbon nanotubes

11-May-2015

Plant-based cellulose nanofibres do not pose a short-term health risk, especially short fibres, shows a study conducted in the context of National Research Programme "Opportunities and Risks of Nanomaterials" (NRP 64). But lung cells are less efficient in eliminating longer fibres. Similar to ...

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'Microcombing' creates stronger, more conductive carbon nanotube films

07-May-2015

Researchers from North Carolina State University and China's Suzhou Institute of Nano-Science and Nano-Biotics have developed an inexpensive technique called "microcombing" to align carbon nanotubes (CNTs), which can be used to create large, pure CNT films that are stronger than any previous such ...

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Nanotubes with 2 walls have singular qualities

Rice University lab calculates unique electronic qualities of double-walled carbon nanotubes

20-Apr-2015

Rice University researchers have determined that two walls are better than one when turning carbon nanotubes into materials like strong, conductive fibers or transistors.Rice materials scientist Enrique Barrera and his colleagues used atomic-level models of double-walled nanotubes to see how they ...

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Carbon nanotube computing?

Single-walled carbon nanotube composites show great promise for many things - including use as a material in 'unconventional' computing

09-Apr-2015

As we approach the miniaturization limits of conventional electronics, alternatives to silicon-based transistors--the building blocks of the multitude of electronic devices we've come to rely on--are being hotly pursued.Inspired by the way living organisms have evolved in nature to perform ...

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Can engineered carbon nanotubes help to avert our water crisis?

19-Mar-2015

Carbon nanotube (CNT) membranes have a bright future in addressing the world's growing need to purify water from the sea, researchers say in a study published in the journal Desalination."Currently, about 400 million people are using desalinated water and it has been projected that by 2025, 14 ...

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Synthesis of structurally pure carbon nanotubes using molecular seeds

08-Aug-2014

For the first time, researchers at Empa and the Max Planck Institute for Solid State Research have succeeded in "growing" single-wall carbon nanotubes (CNT) with a single predefined structure - and hence with identical electronic properties. And here is how they pulled it off: the CNTs "assembled ...

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Scientists develop force sensor from carbon nanotubes

04-Jul-2014

A group of researchers from Russia, Belarus and Spain, including Moscow Institute of Physics and Technology professor Yury Lozovik, have developed a microscopic force sensor based on carbon nanotubes. The device is described in an article published in Computational Materials Science. The ...

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Nanotubes laid out in stripes

10-Jun-2014

A number of technical innovations of recent times involve the use of thin layers of carbon nanotubes. In 2013, for instance, scientists from Stanford University (USA) presented the prototype of a computer whose electronic components are based not on silicon but on carbon nanotubes. And nanotubes ...

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Research combines graphene and painkiller receptor

14-May-2014

Almost every biological process involves sensing the presence of a certain chemical. Finely tuned over millions of years of evolution, the body’s different receptors are shaped to accept certain target chemicals. When they bind, the receptors tell their host cells to produce nerve impulses, ...

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Flexible supercapacitor raises bar for volumetric energy density

Could be woven into clothes to power wearable medical, communications devices

13-May-2014

Scientists have taken a large step toward making a fiber-like energy storage device that can be woven into clothing and power wearable medical monitors, communications equipment or other small electronics. The device is a supercapacitor—a cousin to the battery. This one packs an interconnected ...

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