Researchers at MIT and National Institute for Materials Science in Tsukuba, Japan, have found a new and intriguing property of “magic-angle” graphene: superconductivity that can be turned on and off with an electric pulse, much like a light switch.

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The discovery could lead to ultrafast, energy-efficient superconducting transistors for neuromorphic devices — electronics designed to operate in a way similar to the rapid on/off firing of neurons in the human brain.

In November 2022, Applied Graphene Materials (AGM) announced that it aimed to raise money to fund its operations, but was unable to do so. AGM Later said it received non-binding indicative proposals for its sale.

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AGM now announced that trading in its shares will be suspended from next Wednesday (February 1st) as the company confirmed it will not publish its reports by the market deadline. The company has until the end of February before it runs out of money.

Researchers from Penn State and University of Electronic Science and Technology of China recently enhanced their gas sensor manufacturing process through an in situ laser-assisted manufacturing approach, improving on their previous method of drop casting (dropping materials one by one onto a substrate using a pipette. 

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Flexible gas sensors can be used as medical devices to identify health conditions by detecting oxygen or carbon dioxide levels in the breath or sweat. They are also useful for monitoring air quality in indoor or outdoor environments by detecting gas, biomolecules and chemicals. 

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• Other promising 2D materials

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• A history of graphene developments
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Bio Graphene Solutions (BGS) recently announced the development of the its first graphene-enhanced product for the concrete market. 

Leveraging its capability of converting 100% organic materials into high-quality graphene via a patented cleantech process, BGS has developed a strength performance admixture for commercial concrete mix designs. 

Liquid metal catalysts have recently been attracting attention for synthesizing high-quality 2D materials facilitated via the catalysts’ perfectly smooth surface. However, the microscopic catalytic processes occurring at the surface are still largely unclear because liquid metals escape the accessibility of traditional experimental and computational surface science approaches. 

An EU-funded collaboration of researchers that included teams from Fritz Haber Institute of the Max Planck Society, The European Synchrotron- ESRF, Technical University of Munich (TUM), Aarhus University,  Leiden University and Université Grenoble Alpes used novel in situ and in silico techniques to achieve an atomic-level characterization of the graphene adsorption height above liquid Cu, reaching quantitative agreement within 0.1 Å between experiment and theory.

Researchers at Tokyo Institute of Technology (Tokyo Tech) and Toshiba Corporation recently demonstrated how graphene-based olfactory sensors could detect odor molecules depending on the design of peptide sequences. They showed that graphene field-effect transistors (GFETs) functionalized with designable peptides could be utilized to develop electronic devices that imitate olfactory receptors and then emulate the sense of smell by selectively detecting odor molecules.

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Olfactory sensing is an integral part of many industries like food, cosmetics, healthcare, and environmental monitoring. Currently, most commonly utilized methods for detecting and evaluating odor molecules is called gas chromatography–mass spectrometry (GC–MS). While GC–MS is effective, it has certain limitations like confined sensitivity and heavy setup. As a result, researchers are in the search of user-friendly and highly sensitive alternatives.