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25 Current news about the topic graphene oxide

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How safe is graphene?

Effects on people and the environment under the microscope

11-Feb-2019

Graphene is considered one of the most interesting and versatile materials of our time. The application possibilities inspire both research and industry. But are products containing graphene also safe for humans and the environment? A comprehensive review, developed as part of the European ...

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Microtube with Built-In Pump

Rapid controlled transport of water droplets by sunlight-powered pump

19-Dec-2018

Driven by natural or artificial sunlight, a novel “microtube pump” transports water droplets over long distances. As reported by Chinese researchers in the Journal Angewandte Chemie, the pump consists of a tube whose properties can be changed asymmetrically through irradiation. This results in ...

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Mussel research strenghtens graphene

Polydopamine acts as binder to achieve high mechanical and electrical properties

24-Oct-2018

Researchers demonstrated the mussel-inspired reinforcement of graphene fibers for the improvement of different material properties. A research group under Professor Sang Ouk Kim applied polydopamine as an effective infiltrate binder to achieve high mechanical and electrical properties for ...

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Double graphene sandwich provides protection against corrosion

07-Jun-2018

”Normally it’s not a huge success that not a damn thing has happened after 120 days.” These words belong to Professor Peter Bøggild after a four-month period where a novel type of anticorrosion coating was tested. The nanomaterial graphene plays a crucial role in this new type of coating. ...

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Strong, super-tough carbon sheets made at low temperature

08-May-2018

An international research team led by scientists at Beihang University in China and The University of Texas at Dallas has developed high-strength, super-tough sheets of carbon that can be inexpensively fabricated at low temperatures. The team made the sheets by chemically stitching together ...

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Mechanism of oxidative unzipping of multiwall carbon nanotubes to graphene nanoribbons

13-Apr-2018

Graphene, a two-dimensional lattice of carbon atoms, has attracted enormous interest from a broad base of the research community for more than one decade. Graphene nanoribbons (GNRs), narrow strips of graphene, being quasi one-dimensional, possess complementary features relative to their ...

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Graphene finds new application as non-toxic, anti-static hair dye

New formula works as well as commercial permanent dyes without chemically altering hairs

19-Mar-2018

It's an issue that has plagued the beauty industry for more than a century: Dying hair too often can irreparably damage your silky strands. Now a Northwestern University team has used materials science to solve this age-old problem. The team has leveraged super material graphene to develop a new ...

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Rice U. sleuths find metal in 'metal-free' catalysts

28-Feb-2018

Detective work by Rice University chemists has defined a deception in graphene catalysts that, until now, has defied description. Graphene has been widely tested as a replacement for expensive platinum in applications like fuel cells, where the material catalyzes the oxygen reduction reaction ...

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Safer carbon nanomaterials, by design

08-Sep-2017

Carbon nanomaterials (CNMs) are a class of engineered nanomaterials that can be used for many environmental applications, including water treatment and contaminant sensing and remediation. While they are prized for their ability to detect, remove, or degrade contaminants in the environment, CNMs ...

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2-D layered devices can self-assemble with precision

07-Jul-2017

Squid-inspired proteins can act as programmable assemblers of 2D materials, like graphene oxide, to form hybrid materials with minute spacing between layers suitable for high-efficiency devices including flexible electronics, energy storage systems and mechanical actuators, according to an ...

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