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How do you destroy a forever chemical?

3M offers $10.3 billion settlement over PFAS contamination in water systems. What's next? Enlarge (credit: Andrew Brookes) PFAS chemicals seemed like a good idea at first. As Teflon, they made pots easier to clean starti.....»»

Category: topSource:  arstechnicaJun 26th, 2023

Chemical cartography reveals the Milky Way"s spiral arms

Keith Hawkins, assistant professor of astronomy at The University of Texas at Austin, has used chemical cartography—also known as chemical mapping—to identify regions of the Milky Way's spiral arms that have previously gone undetected. His resear.....»»

Category: topSource:  informationweekRelated NewsJul 19th, 2023

Scientists overcome NH3 synthesis shortcomings

NH3 is not only the key chemical raw material for the industry but also a carbon-free fuel and mobile carrier of renewable energy in the future. So far, industrial NH3 synthesis is still dominated by the traditional Haber-Bosch reaction, which requir.....»»

Category: topSource:  physorgRelated NewsJul 19th, 2023

Webb sees carbon-rich dust grains in the first billion years of cosmic time

For the first time, the James Webb Space Telescope has observed the chemical signature of carbon-rich dust grains in the early universe......»»

Category: topSource:  physorgRelated NewsJul 19th, 2023

Researchers explore new methods for optimizing carbon-based catalysts

Carbon-based materials have several qualities that make them attractive as catalysts for speeding up chemical reactions. They are low-cost, lightweight and their high surface area provides a good scaffold on which to anchor catalysts, keeping them st.....»»

Category: topSource:  physorgRelated NewsJul 19th, 2023

Scientists develop revolutionary new approach to designing catalysts for chemical reactions

Chemists at King's College London have made a breakthrough in the way they develop artificial helix shapes for the amino acids that constitute proteins. These new synthetic shapes have the potential to transform processes such as chemical reactions t.....»»

Category: topSource:  physorgRelated NewsJul 19th, 2023

Scientists discover new structures for unique hybrid materials by altering their chemical bonds

Putting a suite of new materials synthesis and characterization methods to the test, a team of scientists from the University of Iowa and the U.S. Department of Energy's (DOE) Brookhaven National Laboratory has developed 14 organic-inorganic hybrid m.....»»

Category: topSource:  physorgRelated NewsJul 19th, 2023

Scientists use supercomputer to learn how cicada wings kill bacteria

Over the past decade, teams of engineers, chemists and biologists have analyzed the physical and chemical properties of cicada wings, hoping to unlock the secret of their ability to kill microbes on contact. If this function of nature can be replicat.....»»

Category: topSource:  physorgRelated NewsJul 18th, 2023

How isotopes reveal insights into ecosystems

Isotopes of elements are like siblings. They have the same number of protons and electrons but a different number of neutrons than the primary form of the element. This difference in neutrons doesn't affect their chemical properties. Instead, it allo.....»»

Category: topSource:  physorgRelated NewsJul 18th, 2023

Aggregation-induced catalysis: Asymmetric catalysis with chiral aggregates

Asymmetric synthesis and catalysis have been actively pursued in chemical and materials sciences for some time. Increasing numbers of drugs and pesticides contain chiral structural units in their structures since drug actions require conformational m.....»»

Category: topSource:  physorgRelated NewsJul 18th, 2023

Team fabricates chitin hydrogel via chemical transformation of chitosan

Chitin hydrogel is recognized as a promising material for a variety of biomedical applications. Its biocompatibility and biodegradability make it useful in tissue repair, artificial organs, and wound healing. Yet scientists continue to face challenge.....»»

Category: topSource:  physorgRelated NewsJul 17th, 2023

Bulky size frustrates radical molecules to boost chemical reactions, shows study

How to harness the potential of highly reactive radical molecules to work in pairs and spur transformative chemistry?.....»»

Category: topSource:  physorgRelated NewsJul 17th, 2023

Harmful substances impacting tiger snakes across Perth, study finds

New research has found tiger snakes in Perth's urban wetlands are accumulating high levels of chemical substances from ingesting PFAS (per- and polyfluoroalkyl substances), impacting the venomous reptiles' overall health......»»

Category: topSource:  marketingvoxRelated NewsJul 17th, 2023

Chemists develop reaction cascade to produce fluorinated molecules

Fluorine is rarely found in naturally occurring organic molecules. However, this chemical element is indispensable for the production of pharmaceuticals or agrochemicals. Synthetic chemistry has an important role to play in the development of new flu.....»»

Category: topSource:  physorgRelated NewsJul 13th, 2023

Fortnite Artifact Axe: how to destroy stones and best location

If you want to earn a cool new harvesting tool in Fortnite, you'll need to start busting open some stones around the map. Here's a great spot to get it done......»»

Category: topSource:  digitaltrendsRelated NewsJul 12th, 2023

We get our first good look at Grand Admiral Thrawn in Ahsoka trailer

"War is inevitable. One must destroy in order to create." Star Wars: Ahsoka follows the former Padawan Ahsoka Tano as she investigates an emerging threat to a vulnerable galaxy. In April, we got our first look at the new Disney+ ser.....»»

Category: topSource:  arstechnicaRelated NewsJul 12th, 2023

Recent advances in vacuum ultraviolet photochemistry of astrochemically important small molecules

The photodissociation of an isolated molecule from a well-defined initial quantum state provides a lens through which one can investigate how and why chemical reactions occur, and provides numerous opportunities for fruitful, synergistic collaboratio.....»»

Category: topSource:  marketingvoxRelated NewsJul 10th, 2023

New findings shed light on the chemical evolution of the Earth

The sun as a source of energy, and catalysts to accelerate chemical reactions, were of critical importance in the emergence of the first biochemical molecules on Earth. A research team has now shown that a solid deposited from ammonia and methane pla.....»»

Category: topSource:  physorgRelated NewsJul 10th, 2023

SuFEx as a new generation of click chemistry: Synthesis and development of linkers

Organosulfur(VI) fluoride compounds display excellent chemical stability, and yet can efficiently realize diverse linkages via the activation of specific conditions. Based on its unique nature, Sharpless, Dong and coworkers introduced SuFEx as a new.....»»

Category: topSource:  physorgRelated NewsJul 10th, 2023

Researchers discover safe, easy, and affordable way to store and retrieve hydrogen

Researchers at the RIKEN Center for Emergent Matter Science (CEMS) in Japan have discovered a compound that uses a chemical reaction to store ammonia, potentially offering a safer and easier way to store this important chemical......»»

Category: topSource:  physorgRelated NewsJul 10th, 2023

Laser differential confocal Raman-Brillouin spectrum microscopy for analysis of cancer cells

There are obvious differences between cancerous cells and normal cells in morphology, chemical properties and mechanical properties. The detection of cytochemical and mechanical properties of tumor tissues can provide multi-dimensional information fo.....»»

Category: topSource:  pcmagRelated NewsJul 7th, 2023