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Category: chemistry – Page 245

Researchers from Chalmers University of Technology have produced a structural battery that performs ten times better than all previous versions. It contains carbon fiber that serves simultaneously as an electrode, conductor, and load-bearing material. Their latest research breakthrough paves the way for essentially ’massless’ energy storage in vehicles and other technology.

The batteries in today’s electric cars constitute a large part of the vehicles’ weight, without fulfilling any load-bearing function. A structural battery, on the other hand, is one that works as both a power source and as part of the structure – for example, in a car body. This is termed ‘massless’ energy storage, because in essence the battery’s weight vanishes when it becomes part of the load-bearing structure. Calculations show that this type of multifunctional battery could greatly reduce the weight of an electric vehicle.

The development of structural batteries at Chalmers University of Technology has proceeded through many years of research, including previous discoveries involving certain types of carbon fiber. In addition to being stiff and strong, they also have a good ability to store electrical energy chemically. This work was named by Physics World as one of 2018’s ten biggest scientific breakthroughs.

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Fundamental constants like e and π are ubiquitous in diverse fields of science, including physics, biology, chemistry, geometry, and abstract mathematics. Nevertheless, for centuries new mathematical formulas relating fundamental constants are scarce and are usually discovered sporadically by mathematical intuition or ingenuity.

Our algorithms search for new mathematical formulas. The community can suggest proofs for the conjectures or even propose or develop new algorithms. Any new conjecture, proof, or algorithm suggested will be named after you.

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Papers referenced in the video:
Main study:
Clinical course of the longest-lived man in the world: A case report.
https://pubmed.ncbi.nlm.nih.gov/34973348/

Commonly used clinical chemistry tests as mortality predictors: Results from two large cohort studies.
https://pubmed.ncbi.nlm.nih.gov/33152050/

Predicting age by mining electronic medical records with deep learning characterizes differences between chronological and physiological age.

Continue reading “(Part II) Supercentenarian (112 — 116y) Blood Test Analysis” | >

Tae Seok Moon, associate professor of energy, environmental and chemical engineering at the McKelvey School of Engineering at Washington University in St. Louis, has taken a big step forward in his quest to design a modular, genetically engineered kill switch that integrates into any genetically engineered microbe, causing it to self-destruct under certain defined conditions.

His research was published Feb. 3 in the journal Nature Communications.

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Silicon Valley hydrogen fuel cell innovator Hypoint has inaugurated a new UK unit intended to speed development of its air-cooled aviation power technology, and ready it to supply zero-carbon power to next-generation aircraft like electric takeoff and landing vehicles (eVTOL) as they prepare to launch services.

HyPoint’s tech uses compressed air for both cooling and oxygen supplies delivered to its fuel systems, which are lighter, less polluting, have longer lifespans, and enable seven times more flight capacity than lithium-ion and other chemical batteries. Those attributes are luring developers of existing, new drone, and eVTOL craft to give emerging hydrogen cell products serious consideration as drivers of their vehicles – especially as the world seeks to reduce its carbon output. In 2018, aviation sector’s share of global CO2 emissions was 2.5%.

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Researchers have created intricately patterned materials that mimic antimicrobial, adhesive and drag reducing properties found in natural surfaces.

The team from Imperial College London found inspiration in the wavy and spiky surfaces found in insects, including on cicada and dragonfly wings, which ward off .

They hope the new could be used to create self-disinfecting surfaces and offer an alternative to chemically functionalized surfaces and cleaners, which can promote the growth of antibiotic-resistant bacteria.

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A new set of molecular building blocks aims to make complex chemistry as simple and accessible as a toy construction kit.

Researchers at the University of Illinois Urbana-Champaign and collaborators at Revolution Medicines Inc. developed a new class of chemical building blocks that simply snap together to form 3D with complex twists and turns, and an automated machine to assemble the blocks like a 3D printer for molecules.

This automation could allow chemists and nonchemists alike to develop new pharmaceuticals, materials, diagnostic probes, catalysts, perfumes, sweeteners and more, said study leader Dr. Martin D. Burke, a professor of chemistry at Illinois and a member of the Carle Illinois College of Medicine, as well as a medical doctor. The researchers reported their findings in the journal Nature.

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Pioneering global generic medicine access to improve and extend people’s lives — keren haruvi snir-president, sandoz US, head of north america.

Keren Haruvi is President of Sandoz US and Head of their North America business (https://www.novartis.us/about-us/our-leadership/us-country-l…n-haruvi).

Sandoz is a division of the Novartis Group and a global leader in generic pharmaceuticals and biosimilars and was established in 2003, when Novartis united all of its generics businesses under the name Sandoz – a single global brand with a long history. Since then, Sandoz has grown into a leading global generics business with annual sales of approximately US$10 billion.

Continue reading “Keren Haruvi — President, Sandoz US, Head Of North America — Global Generic Medicine Access For All” | >

University of Delaware researchers have broken new ground that could bring more environmentally friendly fuel cells closer to commercialization. Credit: Graphic illustration by Jeffrey C. Chase.

University of Delaware researchers’ carbon capture advance could bring environmentally friendly fuel cells closer to market.

University of Delaware engineers have demonstrated a way to effectively capture 99% of carbon dioxide from air using a novel electrochemical system powered by hydrogen.

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The new substance is the result of a feat thought to be impossible: polymerizing a material in two dimensions.

Using a novel polymerization process, MIT chemical engineers have created a new material that is stronger than steel and as light as plastic, and can be easily manufactured in large quantities.

The new material is a two-dimensional polymer that self-assembles into sheets, unlike all other polymers, which form one-dimensional, spaghetti-like chains. Until now, scientists had believed it was impossible to induce polymers to form 2D sheets.

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