21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)...
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21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)...
Everything from new developments and discoveries in the Technology world:science,ICT,medicine,pharma...
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Graphene patch monitors blood glucose and auto-injects treatment | #Research #Medicine

Graphene patch monitors blood glucose and auto-injects treatment | #Research #Medicine | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
If you were sitting around worrying that graphene might not be able to live up to its potential in electrochemical bio-sensing (and that has to be at least half of you), then worry no more: All we have to do to make graphene practical for every-day use is mix it with gold! By employing just a tiny amount of the precious metal to offset some of graphene’s least helpful properties, it turns out that we might be able to fully exploit its best ones. A new study published in Nature Nanotechnology uses this hybrid to create a flexible skin patch to monitor blood glucose and, more importantly, automatically administer drugs as needed.

 

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http://www.scoop.it/t/21st-century-innovative-technologies-and-developments/?tag=Graphene

 

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If you were sitting around worrying that graphene might not be able to live up to its potential in electrochemical bio-sensing (and that has to be at least half of you), then worry no more: All we have to do to make graphene practical for every-day use is mix it with gold! By employing just a tiny amount of the precious metal to offset some of graphene’s least helpful properties, it turns out that we might be able to fully exploit its best ones. A new study published in Nature Nanotechnology uses this hybrid to create a flexible skin patch to monitor blood glucose and, more importantly, automatically administer drugs as needed.

 

Learn more / En savoir plus / Mehr erfahren:

 

http://www.scoop.it/t/21st-century-innovative-technologies-and-developments/?tag=Graphene

 

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Fernando de la Cruz Naranjo Grisales's curator insight, April 2, 12:03 PM
If you were sitting around worrying that graphene might not be able to live up to its potential in electrochemical bio-sensing (and that has to be at least half of you), then worry no more: All we have to do to make graphene practical for every-day use is mix it with gold! By employing just a tiny amount of the precious metal to offset some of graphene’s least helpful properties, it turns out that we might be able to fully exploit its best ones. A new study published in Nature Nanotechnology uses this hybrid to create a flexible skin patch to monitor blood glucose and, more importantly, automatically administer drugs as needed.

 

Learn more / En savoir plus / Mehr erfahren:

 

http://www.scoop.it/t/21st-century-innovative-technologies-and-developments/?tag=Graphene

 

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Graphene body armor: Twice the stopping power of Kevlar, at a fraction of the weight

Graphene body armor: Twice the stopping power of Kevlar, at a fraction of the weight | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
Graphene, the wonder material that should rejuvenate almost every sphere of science and technology in the next decade or so, can add another application to its already exceedingly long list: bulletproof armor. US researchers have found that, by stacking sheets of graphene on top of each other, it has between eight and 10 times the stopping power of steel.


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Graphene, the wonder material that should rejuvenate almost every sphere of science and technology in the next decade or so, can add another application to its already exceedingly long list: bulletproof armor. US researchers have found that, by stacking sheets of graphene on top of each other, it has between eight and 10 times the stopping power of steel.


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http://www.scoop.it/t/21st-century-innovative-technologies-and-developments/?tag=Graphene



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Diane Johnson's curator insight, December 2, 2014 12:45 PM
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Transparent optogenetic brain implants: Yet another amazing use for graphene

Transparent optogenetic brain implants: Yet another amazing use for graphene | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
The most powerful brain implants being built today can record fast electric signals using conductive arrays while permitting light to pass out through them for high-resolution imaging . To take it up a notch, they also can let light in for optogenetic control directly under the implant. Two new studies just published in Nature Communications have the details.


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The most powerful brain implants being built today can record fast electric signals using conductive arrays while permitting light to pass out through them for high-resolution imaging . To take it up a notch, they also can let light in for optogenetic control directly under the implant. Two new studies just published in Nature Communications have the details.


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Physicists discover how to change the crystal structure of graphene

Physicists discover how to change the crystal structure of graphene | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
A University of Arizona-led team of physicists has discovered how to change the crystal structure of graphene, more commonly known as pencil lead, with an electric field, an important step toward the possible use of graphene in microprocessors that would be smaller and faster than current, silicon-based ...


Unlike silicon transistors used now, graphene-based transistors could be extremely thin, making the device much smaller, and since electrons move through graphene much faster than through silicon, the devices would enable faster computing.

In addition, silicon-based transistors are being manufactured to function as one of two types – p-type or n-type – whereas graphene could operate as both. This would make them cheaper to produce and more versatile in their applications.


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Unlike silicon transistors used now, graphene-based transistors could be extremely thin, making the device much smaller, and since electrons move through graphene much faster than through silicon, the devices would enable faster computing.

In addition, silicon-based transistors are being manufactured to function as one of two types – p-type or n-type – whereas graphene could operate as both. This would make them cheaper to produce and more versatile in their applications.

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Wunderwerkstoff Graphen: Biegsam, dünn und superhart

Wunderwerkstoff Graphen: Biegsam, dünn und superhart | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
Auf diesem Material ruht die Hoffnung der Technikbranche: Graphen könnte Computer schneller, Handys flexibler und Touchscreens dünner machen. Wissenschaftler haben nun einen Weg gefunden, den hauchdünnen Stoff industriell herzustellen.
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New Form of Graphene Should Finally Make Graphene Electronics Possible

New Form of Graphene Should Finally Make Graphene Electronics Possible | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it

For years, scientists have struggled to build graphene-based electronics that could do the same thing as silicon superconductor chips. A new breakthrough from an international team of scientists might just change all that. These geniuses just invented a new form of graphene that's ten times more conductive.

The trick to this new form of graphene is that it allows electrons to act like photons. The impressive material is simply nanoribbons of epitaxial graphene—that's the honeycomb arrangement of carbon atoms you're used to seeing to illustrate graphene—that's manufactured using a relatively simple process.


The scientists grew the nanoribbons on silicone carbide wafers in which they had etched circuit patterns using standard microelectronics techniques. The silicone was then heated to about 1,000º Celsius, melting the silicone off and leaving these novel graphene nanoribbons with perfectly smooth edges. The graphene forms spontaneously on the etched edges of the silicon.

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Graphene used to make world's smallest FM radio transmitter

Graphene used to make world's smallest FM radio transmitter
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Graphene NEMS can address both problems: they are very compact and easily integrated with other types of electronics, and their frequency can be tuned over a wide range because of graphene’s tremendous mechanical strength.

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Introducing Graphene

Short film produced by the European Graphene-Flagship initiative, introducing graphene, the 'wonder substance' set to revolutionise the electronics industry.
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Paul Gill's curator insight, September 7, 2014 6:35 AM

Awesome Introduction to Graphene

Amy Radley's curator insight, September 18, 2014 10:16 AM

Not just revolutionise the electronics industry, but many other industries, including: aviation, defence, energy, energy storage, automotive, printing and packaging; paints, coatings and barrier applications; and medicine. 

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Un pas vers la superfluidité grâce au graphène

Un pas vers la superfluidité grâce au graphène | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
Une équipe de chercheurs de l'université de Camerino (Italie), coordonnée par Andrea Perali et David Neilson, a réussi à prédire l'existence de la superfluidité à haute...
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Le graphène: prometteur pour convertir la lumière en électricité

Le graphène: prometteur pour convertir la lumière en électricité | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
Des chercheurs de l'Institut des Sciences Photoniques de Barcelone (ICFO) ont mis en évidence, dans le cadre d'un projet international, que le graphène est un matériau performant...
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Des transistors en graphène pour la bioélectronique

Des transistors en graphène pour la bioélectronique | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
La bioélectronique du futur pourrait bien reposer sur l’utilisation de transistors à effet de champ fabriqués avec du graphène.
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Les biophysiciens se proposent maintenant de réaliser des blocs de 1.000 SGFET au graphène, ce qui permettrait la réalisation d’implants rétiniens. Il ne devrait pas y avoir d’obstacle technologique à la réalisation de tels systèmes, mais il leur reste à montrer qu’en plus de permettre la survie des neurones, ils n’endommagent pas les tissus nerveux.


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Scientists have discovered way to create high-quality graphene capacitor, which could deliver high-frequency electronics

Scientists have discovered way to create high-quality graphene capacitor, which could deliver high-frequency electronics | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
(Phys.org)—Writing in PNAS, University of Manchester graphene researchers found that sandwiching a layer of the wonder material between boron nitride could produce highly-accurate capacitors.
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Graphene is the future for new innovative...

 

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Du graphène transformé en un véritable semi-conducteur

Du graphène transformé en un véritable semi-conducteur | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
Des chercheurs de l'université d'Erlangen-Nuremberg (Allemagne) viennent de trouver un moyen de donner des propriétés de véritable semi-conducteur au graphène. Cette découverte pourrait bien être le début du déclin de l'ère du tout silicium.
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Out of our dreams and into our arms – scientists develop improved method for producing graphene

Out of our dreams and into our arms – scientists develop improved method for producing graphene | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
Scientists have cooked up a new method for continuous production of graphene -- a process that could finally bring the exotic material out of the lab and into all the high-flying commercial applications we've been dreaming about for the past few years.


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Scientists have cooked up a new method for continuous production of graphene -- a process that could finally bring the exotic material out of the lab and into all the high-flying commercial applications we've been dreaming about for the past few years.


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Graphene's promises in an interactive timeline

Graphene's promises in an interactive timeline | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it

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Researchers may have solved graphene’s production problems, cleared way for mass production

Researchers may have solved graphene’s production problems, cleared way for mass production | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
A new method of producing graphene could be the major breakthrough scientists are looking for. If the new method of producing the material on a thin polymer works at commercial scale, it could clear the way for mass production.


The potential for reproducing and adopting these graphene-like carbon nanosheets for other markets is what makes this story interesting. The team didn’t say what percent of the graphene was defect-free, but they do claim that this new manufacturing method is far simpler and less prone to failure than previous types of graphene production.


If this technique can be adapted to semiconductors or other types of solar cells, it could be far more useful than any marginal gain in organic solar cell efficiency.


According to Dr. Han Ik Joh at the Korean Institute for Science and Technology, graphene can be produced in a similar manner to carbon fiber — and while that’s hardly cheap, it’s still better than our current methods.


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The potential for reproducing and adopting these graphene-like carbon nanosheets for other markets is what makes this story interesting. The team didn’t say what percent of the graphene was defect-free, but they do claim that this new manufacturing method is far simpler and less prone to failure than previous types of graphene production.


If this technique can be adapted to semiconductors or other types of solar cells, it could be far more useful than any marginal gain in organic solar cell efficiency.


According to Dr. Han Ik Joh at the Korean Institute for Science and Technology, graphene can be produced in a similar manner to carbon fiber — and while that’s hardly cheap, it’s still better than our current methods.