Metals

CBCIE Weekly Frontier Selection (7.18-7.24)

CBCIE Time:Jul 25, 2022 09:06 Source:sciencedaily

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Headline: Researcher uses graphene for same-time, same-position biomolecule isolation and sensing

■ Release Date: 2022.7.18

■ Published by: University of Massachusetts Amherst

■ Keywords: graphene, sensing 

■ Abstract:

New research has overcome a major challenge to isolating and detecting molecules at the same time and at the same location in a microdevice. The work demonstrates an important advance in using graphene for electrokinetic biosample processing and analysis and could allow lab-on-a-chip devices to become smaller and achieve results faster.

Headline: Fuel cells: Novel multi-proton carrier complex as efficient proton conductor at high temps

■ Release Date: 2022.7.18

■ Published by: Tokyo University of Science

■ Keywords: fuel cells, ruthenium ion

■ Abstract:

Fuel cells often fall short when it comes to operating at temperatures beyond 100 degrees Celsius owing to their dependence on water as a proton conduction medium. To overcome this issue, a team of researchers designed a new hydrogen-bonded starburst-shaped metal complex consisting of ruthenium (III) ion and six imidazole-imidazolate groups. The resulting single molecular crystal shows excellent proton conductivity even at temperatures as high as 180°C and as low as --70 °C.

Headline: The sound of water: New refining technique makes cheaper superconductors a reality

■ Release Date: 2022.7.19

■ Published by: Shibaura Institute of Technology

■ Keywords: magnesium diboride, boron refinement

■ Abstract:

Magnesium diboride ceramic superconductors have garnered interest owing to their ease of fabrication, light weight, and low cost. However, a cheap and efficient technique for boron refinement is required before MgB2 superconductors can be produced widely for use. To this end, scientists have developed a novel technique to refine boron via ultrasonication. Their method provides a rapid and cost-effective means to produce MgB2 for superconductor production.

Headline: Toward manufacturing semitransparent solar cells the size of windows

■ Release Date: 2022.7.19

■ Published by: University of Michigan

■ Keywords: solar, cell 

■ Abstract:

In an important step toward bringing transparent solar cells to home windows, researchers have developed a way to manufacture their highly efficient and semitransparent solar cells.

Headline: Research on bacteria: Electron highway for hydrogen and carbon dioxide storage discovered

■ Release Date: 2022.7.20

■ Published by: Goethe University Frankfurt

■ Keywords: hydrogen, carbon dioxide

■ Abstract:

Microbiologists have shed light on the structure of an enzyme that produces formic acid from molecular hydrogen (H2) and carbon dioxide (CO2). The enzyme of the bacterium Thermoanaerobacter kivui was discovered a few years previously by microbiologists, and the scientists have recently presented its potential for liquid hydrogen storage. The filamentous structure of the enzyme, now described at atomic level for the first time, acts like a nanowire and is evidently responsible for the extremely efficient conversion rates of the two gases.

Headline: Ultrasonic detectors reveal the detrimental effect of wind turbines at forest sites on bats

■ Release Date: 2022.7.20

■ Published by: Leibniz Institute for Zoo and Wildlife Research (IZW)

■ Keywords: wind, turbines 

■ Abstract:

As more and more wind turbines (WTs) are installed in the course of the energy transition and distance regulations to human settlements are tightened, suitable locations are becoming increasingly difficult to find. As a result, wind turbines are increasingly being erected in forests -- to the detriment of forest specialists among bats.

Headline: Magnetic memory milestone

■ Release Date: 2022.7.20

■ Published by: University of Tokyo

■ Keywords: magnetic memory, lattice 

■ Abstract:

Computers and smartphones have different kinds of memory, which vary in speed and power efficiency depending on where they are used in the system. Typically, larger computers, especially those in data centers, will use a lot of magnetic hard drives, which are less common in consumer systems now. The magnetic technology these are based on provides very high capacity, but lack the speed of solid state system memory. Devices based on upcoming spintronic technology may be able to bridge that gap and radically improve upon even theoretical performance of classical electronic devices. We aim to create a pure, flat crystal lattice of Mn3Sn from manganese and tin using a process called molecular beam epitaxy.

Headline: All-in-one solar-powered tower makes carbon-neutral jet fuel

■ Release Date: 2022.7.20

■ Published by: Cell Press

■ Keywords: solar, carbon-neutral 

■ Abstract:

Researchers have designed a fuel production system that uses water, carbon dioxide (CO2), and sunlight to produce aviation fuel. They have implemented the system in the field, and the design could help the aviation industry become carbon neutral.

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