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Aryl radical formation by aryl halide bond cleavage by a N-heterocyclic carbene catalyst

Aryl halides with a benzene ring directly bonded to a halogen atom are readily available and chemically stable, so they are used as a source of benzene rings in organic synthesis. For example, a chemical reaction that generates a highly reactive aryl.....»»

Category: topSource:  physorgJul 6th, 2021

Chemists use nucleic acid binding dyes as photocatalysts for a popular polymerization method

Researchers in Carnegie Mellon University's Department of Chemistry have developed a nucleic-acid-based photocatalyst that can precisely control atom transfer radical polymerization (ATRP), a popular method used to generate a wide range of materials.....»»

Category: topSource:  theglobeandmailRelated NewsMay 22nd, 2024

New catalyst transforms carbon dioxide from industrial emissions into commonly used chemicals

A low-cost, tin-based catalyst can selectively convert carbon dioxide to three widely produced chemicals—ethanol, acetic acid and formic acid......»»

Category: topSource:  pcmagRelated NewsMay 21st, 2024

What happened to OpenAI’s long-term AI risk team?

Former team members have either resigned or been absorbed into other research groups. Enlarge (credit: Benj Edwards) In July last year, OpenAI announced the formation of a new research team that would prepare for the adv.....»»

Category: topSource:  arstechnicaRelated NewsMay 18th, 2024

Into the abyss: Understanding black hole formation through natal kicks and neutrino emission

A new study in Physical Review Letters explores the conditions of black hole formation from dying stars, particularly the role of neutrino-induced natal kicks in the formation process......»»

Category: topSource:  physorgRelated NewsMay 16th, 2024

Monster galactic outflow powered by exploding stars

Star death and birth both contribute to driving material out of a galaxy. Enlarge / All galaxies have large amounts of gas that influence their star-formation rates. (credit: NASA, ESA, CSA, and J. Lee (NOIRLab)) Galaxie.....»»

Category: topSource:  arstechnicaRelated NewsMay 12th, 2024

AI simulation of flavored vape reactions reveals formation of many hazardous chemicals

New research has uncovered the potentially harmful substances that are produced when e-liquids in vaping devices are heated for inhalation. The study, published in Scientific Reports, highlights the urgent need for public health policies concerning f.....»»

Category: topSource:  physorgRelated NewsMay 8th, 2024

Catalyst search shows how computing can take the guesswork out of chemistry

Imagine synthesizing and then testing over 50 different complex molecules to identify the most effective catalyst for a particular chemical reaction. The traditional approach to developing new catalysts for chemical reactions in this "try it and see".....»»

Category: topSource:  physorgRelated NewsMay 8th, 2024

Decoding development: mRNA"s role in embryo formation

A new study at Hebrew University reveals insights into mRNA regulation during embryonic development. The study sheds light on the intricate process of mRNA regulation during embryonic development, providing novel insights into how pluripotent cells a.....»»

Category: topSource:  pcmagRelated NewsMay 7th, 2024

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.....»»

Category: topSource:  marketingvoxRelated NewsMay 7th, 2024

Rich molecular language guides tiny liquid droplet formation in cells

Peering into a biological cell reveals a bustling microscopic world. The workhorses within this realm are specialized structures called organelles that perform vital cellular functions. Curiously, some organelles defy accepted convention: Instead of.....»»

Category: topSource:  physorgRelated NewsMay 7th, 2024

Team describes MXene-supported PtCo bimetallic catalyst for hydrogen evolution in acidic conditions

Hydrogen energy is considered a promising solution with high energy density and zero pollution emissions. Currently, hydrogen is mainly derived from fossil fuels, which increases energy consumption and greenhouse gas emissions, hindering efforts to a.....»»

Category: topSource:  physorgRelated NewsMay 6th, 2024

A leap toward carbon neutrality: New catalyst converts carbon dioxide to methanol

Researchers at the University of Michigan have developed a catalyst material known as cobalt phthalocyanine that converts carbon dioxide—a significant driver of climate change—into renewable fuels such as methanol......»»

Category: topSource:  physorgRelated NewsMay 6th, 2024

New sugar-based catalyst could offer a potential solution for using captured carbon

A new catalyst made from an inexpensive, abundant metal and common table sugar has the power to destroy carbon dioxide (CO2) gas......»»

Category: topSource:  physorgRelated NewsMay 2nd, 2024

Critics question tech-heavy lineup of new Homeland Security AI safety board

CEO-heavy board to tackle elusive AI safety concept and apply it to US infrastructure. Enlarge (credit: Benj Edwards | Getty Images) On Friday, the US Department of Homeland Security announced the formation of an Artific.....»»

Category: topSource:  arstechnicaRelated NewsApr 30th, 2024

Scientists combine a spatially distributed sediment delivery model and biogeochemical model to estimate fluxes by water

Water erosion is the most active process controlling soil formation and evolution, which can affect the redistribution of carbon between terrestrial, aquatic, and atmospheric ecosystems. Erosion-induced organic carbon dynamic process should not be mi.....»»

Category: topSource:  physorgRelated NewsApr 25th, 2024

Study of economic variables, regional factors influencing Vietnam"s real estate market

A detailed analysis of Vietnam's real estate market aimed to identify the factors that contribute to the formation of real estate bubbles. The study, published in the International Journal of Economics and Business Research covered the period from 20.....»»

Category: topSource:  physorgRelated NewsApr 24th, 2024

New model extends theory of pattern formation to the nano-cosmos

A new model developed by scientists from the Max Planck Institute for Dynamics and Self-Organization (MPI-DS) extends the theory of elastic phase separation towards nanoscopic structures. Such patterns are frequent in biological systems and also used.....»»

Category: topSource:  physorgRelated NewsApr 24th, 2024

New JWST observations reveal black holes rapidly shut off star formation in massive galaxies

New research published in Nature showcases new observations from the James Webb Space Telescope (JWST) that suggest black holes rapidly shut off star-formation in massive galaxies by explosively removing large amounts of gas......»»

Category: topSource:  physorgRelated NewsApr 23rd, 2024

Veeam acquires Coveware to boost its ransomware protection capabilities

Veeam Software announced the acquisition of Coveware, a provider in cyber-extortion incident response. It brings ransomware recovery and first responder capabilities to further strengthen Veeam’s radical resilience solutions for customers. Coveware.....»»

Category: securitySource:  netsecurityRelated NewsApr 23rd, 2024

Astronomers offer new model for formation of recently discovered "free-floating" planets

The recent discovery of a potential new class of distant and mysterious "free-floating" planets has intrigued astronomers since stunning new images captured by the James Webb Space Telescope were shared late last year......»»

Category: topSource:  physorgRelated NewsApr 22nd, 2024