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How chemical reactions compute

A single molecule contains a wealth of information. It includes not only the number of each kind of constituent atom, but also how they're arranged and how they attach to each other. And during chemical reactions, that information determines the outc.....»»

Category: topSource:  physorgAug 3rd, 2021

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.....»»

Category: topSource:  physorgRelated NewsApr 19th, 2024

Scientists explore the strategies of defects and nanostructure fabrication for promoting piezocatalytic activity

As an important chemical raw material, hydrogen peroxide (H2O2) is widely applied in various aspects of industry and life. The industrial anthraquinone method for H2O2 production has the serious flaws, such as high pollution and energy consumption. B.....»»

Category: topSource:  physorgRelated NewsApr 18th, 2024

Researchers create nanomembrane to increase reaction rate in chemical production

Flow-through reactors packed with enzymes can produce certain chemicals in a gentle and careful way. However, their performance has so far been limited. A research team from the Helmholtz-Zentrum Hereon and RWTH Aachen University has now been able to.....»»

Category: topSource:  physorgRelated NewsApr 18th, 2024

Mobile genetic elements can inadvertently suppress bacterial immune systems, research reveals

Bacterial restriction-modification systems are responsible for protecting cells from foreign genetic material, for example, bacteriophages and plasmids. Immune systems require strict regulation, as bacteria, like humans, can have autoimmune reactions.....»»

Category: topSource:  physorgRelated NewsApr 18th, 2024

Coffee grinder, old tires spur creation of sulfur-free oil

Using a coffee grinder, a freezer and a furnace, researchers have discovered a chemical synergy between scrap tires and polystyrene can be harnessed to create sulfur-free, light oil......»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Tijuana River among most endangered in America due to sewage crisis

The Tijuana River, with frequent flows of sewage and chemical-tainted waters, is among America's top endangered rivers, according to a report that spotlights threats to clean water nationwide......»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

New benzofuran synthesis method enables complex molecule creation

In the field of organic chemistry, scientists are always looking out for new types of reactions to unlock synthesis routes for challenging compounds. Most of the progress that we have witnessed in pharmaceutics and agrochemicals over the past few dec.....»»

Category: topSource:  physorgRelated NewsApr 16th, 2024

Vercara UltraEdge offers protection against internet-based threats

Vercara launched UltraEdge, a comprehensive edge platform that includes an innovative Content Delivery Network (CDN), integrated application security, and edge compute. Powered by Edgio and supported through Vercara’s Security Operations Center (SO.....»»

Category: securitySource:  netsecurityRelated NewsApr 16th, 2024

Why figuring out how potassium is destroyed in stars is important to understanding the universe

If you want to know where elements come from, look to the stars. Almost every element heavier than helium is formed through nuclear reactions in stars. But which stellar processes are responsible for these elements? Can we find patterns in how much o.....»»

Category: topSource:  informationweekRelated NewsApr 16th, 2024

Bumblebees don"t care about pesticide cocktails: Research highlights their resilience to chemical stressors

Bumblebees appear to be quite resistant to common pesticides. This is shown by a new study, the results of which have now been published by scientists from Julius-Maximilians-Universität Würzburg (JMU) in the journal Environment International......»»

Category: topSource:  physorgRelated NewsApr 15th, 2024

Palladium nanocluster catalyst supports highly efficient and regioselective hydrogenation of epoxides

Alcohols are widely applied in life sciences and the chemical industry. Selective hydrogenation of epoxides using hydrogen molecules as a reductant is considered to be one of the most facile and atom-economical strategies for alcohol synthesis. Howev.....»»

Category: topSource:  physorgRelated NewsApr 15th, 2024

Chemists stabilize ethylene on silver in search for better ethylene purification technology

Production of ethylene is one of the most important chemical processes used today, with about 300 million metric tons of the tiny chemical produced each year. Ethylene gas is used to create everyday items like shopping bags and plastic film packaging.....»»

Category: topSource:  informationweekRelated NewsApr 15th, 2024

Study lists world"s "forever chemical" hotspots

Dangerous concentrations of long-lingering "forever chemicals" have been found in surface and groundwater worldwide, according to a study released Tuesday that showed Australia, the United States and Europe as hotspots......»»

Category: topSource:  physorgRelated NewsApr 13th, 2024

Chemists devise easier new method for making a common type of building block for drugs

Ring-shaped chemical structures called saturated heterocycles are found in most FDA-approved drugs but are often difficult to create. Scripps Research chemists have just developed a surprisingly easy method for making many of these sought-after compo.....»»

Category: topSource:  physorgRelated NewsApr 13th, 2024

Oxidant pollutant ozone removes mating barriers between fly species, study finds

Insect pheromones are odor molecules used for chemical communication within a species. Sex pheromones play a crucial role in the mating of many insects. Species-specific odors attract males and females of the same species. At the same time, they main.....»»

Category: topSource:  physorgRelated NewsApr 11th, 2024

Novel UV broadband spectrometer improves air pollutant analysis

Sunlight has a major influence on chemical processes. Its high-energy UV radiation in particular is strongly absorbed by all materials and triggers photochemical reactions of the substances present in the air. A well-known example is the formation of.....»»

Category: topSource:  physorgRelated NewsApr 10th, 2024

New strategy for assessing the applicability of reactions

Chemists often develop and optimize new chemical reactions using so-called model systems, i.e., simple, easily accessible substrates. They then use up to around 100 other substrates as examples to show that the reaction works. This demonstration of v.....»»

Category: topSource:  physorgRelated NewsApr 10th, 2024

No, you won"t black eye from Apple Vision Pro

Discomfort can be expected when dealing with Apple Vision Pro, but it shouldn't be causing severe reactions like black eyes or headaches. That's right, you're wearing it wrong.Apple Vision Pro is heavy, but not heavy enough to hurtApple Vision Pro is.....»»

Category: SSSSSSource:  physorgRelated NewsApr 10th, 2024

No, you won"t black eye from Apple Vision Pro

Discomfort can be expected when dealing with Apple Vision Pro, but it shouldn't be causing severe reactions like black eyes or headaches. That's right, you're wearing it wrong.Apple Vision Pro is heavy, but not heavy enough to hurtApple Vision Pro is.....»»

Category: SSSSSSource:  physorgRelated NewsApr 10th, 2024

No, you won"t black eye from Apple Vision Pro

Discomfort can be expected when dealing with Apple Vision Pro, but it shouldn't be causing severe reactions like black eyes or headaches. That's right, you're wearing it wrong.Apple Vision Pro is heavy, but not heavy enough to hurtApple Vision Pro is.....»»

Category: SSSSSSource:  physorgRelated NewsApr 10th, 2024