Oxygen-promoted synthesis of armchair graphene nanoribbons on Cu(111)
On-surface synthesis has received great attention as a method to create atomically-precise one-dimensional (1D) and two-dimensional (2D) polymers with intriguing properties. In particular, graphene nanoribbons (GNRs), a category of quasi-1D nanomater.....»»
Shaping up how red blood cell deformability is assessed—researchers develop new approach
Red blood cells (RBCs) transport oxygen throughout the body and are able to pass through a complex of narrow capillaries due to their ability to deform. "The deformability of RBCs is an important indicator of their health and functionality, and chang.....»»
Enabling rapid screening of poly(2-oxazoline)-based nanomedicine through divergent synthesis
A research collaboration has devised a new way to quickly and reliably diversify the reactive end-groups on poly(2-oxazoline)s, a biocompatible polymer class......»»
Research team develops AI to perform chemical synthesis
Chemistry, with its intricate processes and vast potential for innovation, has always been a challenge for automation. Traditional computational tools, despite their advanced capabilities, often remain underutilized due to their complexity and the sp.....»»
A photocatalyst for sustainable syngas production from greenhouse gases
Researchers have developed a novel photocatalyst, named Rh/InGaN1-xOx, which is a nanoarchitecture consisting of rhodium nanoparticles anchored on oxygen-modified indium gallium nitride nanowires grown on silicon substrates......»»
Smart labs for bespoke synthesis of nanomaterials are emerging
In the early 20th century, the development of a catalyst for ammonia synthesis by the Haber-Bosch method took more than 10,000 experiments before it was successful. The development of new materials is a time-consuming and costly process from design t.....»»
Scientists cook pancakes, Brussels sprouts and stir fry to detect an oxidant indoors for the first time
A feast cooked up by UBC researchers has revealed singlet oxygen indoors for the first time. The work is published in the journal Environmental Science: Atmospheres......»»
Chemists use new approach in the synthesis of complex natural substances
They are found as fragrances in cosmetics or as flavorings in food, and form the basis of new medications: Terpenes are natural substances that occur in plants, insects and sea sponges. They are difficult to produce synthetically. However, chemists a.....»»
Weak magnetic field may have supported diversification of life on Earth
An unusual reduction in the strength of Earth's magnetic field between 591 and 565 million years ago coincided with a significant increase in the oxygen levels in the atmosphere and oceans, according to a paper published in Communications Earth & Env.....»»
Understanding cellular transcription responses to oxygen deprivation
A multiprotein complex is essential for regulating cellular responses to oxygen deprivation, a key feature of cancer, according to a Northwestern Medicine study published in the Proceedings of the National Academy of Sciences......»»
Researchers reveal water-assisted oxidative redispersion of metal nanoparticles
Oxidative redispersion at elevated temperatures has long been utilized in heterogeneous catalysis for the regeneration of sintered metal catalysts and the synthesis of metal single atom and cluster catalysts. These redispersion processes require a co.....»»
Researchers achieve electrosynthesis via superwetting organic-solid-water interfaces
Chinese scientists have recently achieved the direct synthesis of high-purity benzaldehyde chemicals from the selective electrooxidation of benzyl alcohol. The organic-solid-water (OSW) three-phase reaction system has shown particular advantages in r.....»»
One-pot strategy to simultaneously achieve heterodehydrocoupling of hydrostannane and reduction of quinoline
Heteroatom tin compounds (SSn, OSn, NSn, PSn) composed of heteroatoms S, O, N, P and tin atoms have attracted intense attention due to their wide applications in organic synthesis and pharmaceutical fields. The current methods for synthesis of such c.....»»
Towards novel promising perovskite-type ferroelectric materials: High-pressure synthesis of rubidium niobate
Capacitors are crucial components in electronic devices such as smartphones and computers. They are made of dielectric materials that polarize on the application of the voltage. Currently, barium titanate (BaTiO3) is the most widely used material for.....»»
School athletic director arrested for framing principal using AI voice synthesis
Police uncover plot to defame principal with AI-generated racist and antisemitic comments. Enlarge (credit: Getty Images) On Thursday, Baltimore County Police arrested Pikesville High School's former athletic director, D.....»»
Synthesis of two new carbides provides perspective on how complex carbon structures could exist on other planets
Researchers at the University of Bayreuth have gained new insights in the field of high-pressure carbon chemistry: They synthesized two new carbides—compounds of carbon and another chemical element—with unique structures. The results may provide.....»»
Team reports on relationship between contents of diosgenin and brassinosteroids in Dioscorea zingiberensis
Diosgenin, a secondary metabolite isolated from the Dioscorea spp. plant family, is an irreplaceable and ideal starting material for the synthesis of steroid hormone drugs. Dioscorea zingiberensis is the world's most desirable and important plant sou.....»»
From the coast to the deep sea, changing oxygen levels affect marine life in different ways
Earth's atmosphere maintains a constant level of oxygen, whether it is a wintry, rainy day or hot summer. Across the ocean, oxygen concentrations vary enormously between different places and over time. Sometimes oxygen levels change within the course.....»»
A new method for enzymatic synthesis of potential RNA therapeutics
A team of researchers at IOCB Prague led by Prof. Michal Hocek has developed a novel method for preparing ribonucleic acid (RNA) containing modified bases. Innovative use of engineered DNA polymerases, enzymes commonly used for the synthesis of DNA,.....»»
Chemists introduce new copper-catalyzed C-H activation strategy
Inspired by what human liver enzymes can do, Scripps Research chemists have developed a new set of copper-catalyzed organic synthesis reactions for building and modifying pharmaceuticals and other molecules. The new reactions are expected to be widel.....»»
Development of organic semiconductors featuring ultrafast electrons
Scientists have created conducting two-dimensional polymers exhibiting electron mobility comparable to graphene. Their research has been featured in the online edition of Chem......»»