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Electrophotocatalytic diamination of vicinal C–H bonds

In organic chemistry, the conversion of inactivated carbon-hydrogen (C-H) bonds to carbon-nitrogen (C-N) bonds is a highly valued transformation. Scientists can accomplish such reactions at only a single C-H site since the first derivatization can di.....»»

Category: topSource:  physorgFeb 22nd, 2021

Light stimulates a new twist for synthetic chemistry

Molecules that are induced by light to rotate bulky groups around central bonds could be developed into photo-activated bioactive systems, molecular switches, and more......»»

Category: topSource:  physorgRelated NewsFeb 28th, 2024

Relationship anarchy is about creating bonds that suit people, not social conventions

By its very nature, friendship is anarchic: it has few rules and is not regulated by the government. Our friendships are usually egalitarian, flexible and non-exclusive. We treat our friends as individuals and care about their interests. We support t.....»»

Category: topSource:  physorgRelated NewsFeb 26th, 2024

New synthesis method uses light reaction on a water surface

By forming chemical bonds between atoms, complex molecules such as those needed for medicines, crop protection products, or high-performance materials are prepared using synthetic chemistry. Such synthesis reactions typically require organic solvents.....»»

Category: topSource:  physorgRelated NewsFeb 16th, 2024

Power of nostalgia: Vintage typography can build emotional connections, influence attitudes, boost willingness to pay

Researchers from University of Newcastle–Australia have published a new Journal of Marketing study that examines how brands can use references to the past via vintage typography to establish emotional bonds with today's consumers......»»

Category: topSource:  physorgRelated NewsFeb 13th, 2024

Enrichment of anchoring sites via supramolecular halogen bonds for efficient perovskite nanocrystal LEDs

Colloidal semiconductor nanoparticles can be viewed as a complex of an inorganic single crystal core and a monolayer of organic ligands. The location and type of ligand anchoring on the nanocrystal surface are critical to the nanocrystal morphology,.....»»

Category: topSource:  physorgRelated NewsFeb 7th, 2024

Building a DNA nanoparticle to be both carrier and medicine

Scientists have been making nanoparticles out of DNA strands for two decades, manipulating the bonds that maintain DNA's double-helical shape to sculpt self-assembling structures that could someday have jaw-dropping medical applications......»»

Category: topSource:  physorgRelated NewsFeb 6th, 2024

Europe forges new bonds between agriculture and biodiversity

As the environmental and economic costs of industrial farming grow, so do opportunities to spur an ecological change......»»

Category: topSource:  informationweekRelated NewsJan 30th, 2024

Teaching nature to break man-made chemical bonds

For the first time, scientists have engineered an enzyme that can break stubborn man-made bonds between silicon and carbon that exist in widely-used chemicals known as siloxanes, or silicones. The discovery is a first step toward rendering the chemic.....»»

Category: topSource:  physorgRelated NewsJan 25th, 2024

Beyond the sleigh: Reindeer and their bonds with Arctic peoples

The relationship between indigenous peoples in the Arctic region and their herds reveals a rich history and provides clues about how to protect it......»»

Category: topSource:  physorgRelated NewsDec 29th, 2023

Elon Musk told bankers they wouldn’t lose any money on Twitter purchase

Lenders unlikely to get even 60 cents on the dollar for the bonds and loans. Enlarge (credit: Anadolu Agency via Getty Images) Elon Musk privately told some of the bankers who lent him $13 billion to fund his leveraged.....»»

Category: topSource:  arstechnicaRelated NewsDec 15th, 2023

Three novel inorganic clusters accelerate chemical reactions to create carbon–carbon bonds

Perfume, rubbing alcohol, a cholesterol medication and even biological processes all depend on a chemical process called the aldol reaction. The reaction primarily combines compounds to form carbon–carbon bonds, which are incredibly strong and prov.....»»

Category: topSource:  physorgRelated NewsDec 15th, 2023

New insight on electrochemical reactions—advancing the green transition

Electrochemical reactions are central to green transitions. These reactions use electric current and potential difference to carry out chemical reactions, which enables binding and realizing electric energy from chemical bonds. This chemistry is the.....»»

Category: topSource:  physorgRelated NewsDec 11th, 2023

Researcher characterizes enzymes with N–N bonds for antibacterial applications

The building blocks for new drugs that help fight bacteria that are resistant to known antibiotics, for example, should be as cost-effective and environmentally friendly as possible. Enzymes are ideal for this purpose. For example, they can produce o.....»»

Category: topSource:  theglobeandmailRelated NewsDec 8th, 2023

A catalyst for electronically controlled C–H functionalization

The Chirik Group at the Princeton Department of Chemistry is chipping away at one of the great challenges of metal-catalyzed C–H functionalization with a new method that uses a cobalt catalyst to differentiate between bonds in fluoroarenes, functio.....»»

Category: topSource:  physorgRelated NewsDec 7th, 2023

A novel approach for dimensional engineering of covalent organic frameworks derived carbons

Covalent organic frameworks (COFs) are a special class of materials composed of interconnected organic building blocks held together by strong chemical bonds. Featured with evenly distributed atoms and abundant internal empty space, COFs can be utili.....»»

Category: topSource:  informationweekRelated NewsDec 1st, 2023

Researchers construct modularized catalytic system for transfer hydrogenation

The precise catalytic conversion of chemical bonds is a paramount goal in catalysis. Enzymes, as efficient biocatalysts, are well known for their high catalytic activity, selectivity, and substrate specificity under mild reaction conditions, which ca.....»»

Category: topSource:  physorgRelated NewsNov 14th, 2023

Examining the synergistic roles of platinum nanoparticles and sodium ions within beta zeolites

Organic N-alkyl amines are important chemical products and intermediate with wide applications in the fields of daily chemicals, pesticides, pharmaceuticals, surfactants, and life sciences. The C–N bonds formed by alkylating reagents (halocarbons,.....»»

Category: topSource:  physorgRelated NewsOct 24th, 2023

The social lives of kangaroos are more complex than we thought

Have you ever wondered what a kangaroo's social life looks like? Well, kangaroos have stronger bonds to one another than you might think......»»

Category: topSource:  physorgRelated NewsSep 20th, 2023

Electron transfer kineties of CdS/Zn(impim) dots-on-rods designed for efficient visible-light reduced C-X bond

Using solar energy to drive the cleavage of C-X bonds in halogenated organic compounds to form C-H bonds can not only control environmental pollution but also achieve important organic conversion reactions......»»

Category: topSource:  physorgRelated NewsSep 15th, 2023

New calcium material functions as an ammonia synthesis catalyst

Researchers find calcium outshines chromium in the catalytic production of ammonia. Working together, a humble trio of calcium atoms have defied expectations to break apart one of the strongest chemical bonds known. The atoms form the key part of a c.....»»

Category: topSource:  physorgRelated NewsAug 10th, 2023