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.....»»
Research team develops a wireless sensor for spotting chemical warfare agents
The urgent need for advanced detection of chemical warfare agents (CWAs) to ensure global security has led to the development of a novel gas sensor. This sensor is distinguished by its rapid response, high sensitivity, and compact size, crucial for t.....»»
New technique developed for measurement of temperature distribution inside single catalyst particle
Chemical reactions are usually accompanied by thermal effects, inevitably resulting in temperature changes in the reaction system. Therefore, temperature is an important parameter in reactions, which can affect chemical thermodynamics and reaction ki.....»»
Breakthrough in nanostructure technology for real-time color display
A technology that enables the real-time display of colors and shapes through changes in nanostructures has been developed by Professor Kang Hee Ku and her team in the School of Energy and Chemical Engineering at UNIST. The technology has the potentia.....»»
Security Bite: Self-destructing macOS malware strain disguised as legitimate Mac app
Security researchers at Moonlock, the relatively new cybersecurity wing of MacPaw, have detected a new strain of macOS malware disguised as a legitimate Mac app that can destroy itself in certain conditions. At its worst, it can unknowingly extract c.....»»
Plant biologists identify promising new fungicides
A promising new fungicide to fight devastating crop diseases has been identified by researchers at the University of California, Davis. The chemical, ebselen, prevented fungal infections in apples, grapes, strawberries, tomatoes and roses and improve.....»»
Researcher proposes paradigm shift in enzyme biochemistry
Although you may never have heard of the cytochrome P450 superfamily of enzymes, these proteins play diverse and critical roles in humans through the metabolic processing of drugs, pesticides, fatty acids, fat-soluble vitamins, and chemical carcinoge.....»»
Variable star V708 Car has an unusual chemical composition, study finds
An international team of astronomers has performed spectroscopic observations of a variable star known as V708 Car. Results of the observational campaign, reported in a paper published February 20 on the pre-print server arXiv, indicate that this sta.....»»
Nanotweezers manipulate bacteriophages with minimal optical power, a breakthrough for phage therapy
Scientists at EPFL have developed a game-changing technique that uses light to manipulate and identify individual bacteriophages without the need for chemical labels or bioreceptors, potentially accelerating and revolutionizing phage-based therapies.....»»
AI-driven lab speeds catalysis research
Researchers have developed a "self-driving" lab that uses artificial intelligence (AI) and automated systems to provide in-depth analyses of catalytic reactions used in chemical research and manufacturing. The new tool, called Fast-Cat, can provide m.....»»
Scientists propose new method for tracking elusive origins of CO₂ emissions from streams
A team of researchers from the University of Massachusetts Amherst that specializes in accounting for the carbon dioxide release by streams, rivers and lakes has recently demonstrated that the chemical process known as "carbonate buffering" can accou.....»»
Cosmic dust could have helped get life going on Earth
Life on our planet appeared early in Earth's history. Surprisingly early, since in its early youth our planet didn't have much of the chemical ingredients necessary for life to evolve. Since prebiotic chemicals such as sugars and amino acids are know.....»»
Scientists deliver portable total chemical analysis without pumps and tubes
Researchers from Tokyo Metropolitan University have engineered a new micro total analysis system that quantifies a target chemical in a microfluidic chip without pumps, tubes, and expensive detectors. The compound reacts with other chemicals to produ.....»»
Researchers design novel microfluidic module for controlling the porosity of manufactured materials
Porous materials are essential for many chemical processes, such as light harvesting, adsorption, catalysis, energy transfer, and even new technologies for electronic materials. Therefore, many efforts have been made to control the porosity of differ.....»»
Chemical labeling method provides new approach for recording cellular activities
In living cells, a vast number of transient events occur simultaneously, each of them important for a given cell in carrying out its function. The faithful recording of these transient activities is a prerequisite for a molecular understanding of lif.....»»
Tailoring morphology symmetry of bismuth vanadate photocatalysts for efficient charge separation
In a study published in the journal Science China Chemistry and led by Prof. Rengui Li (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences), a distinct charge separation difference has been found via.....»»
Compound vital for all life likely played a role in life"s origin, suggests synthesis study
A chemical compound essential to all living things has been synthesized in a lab in conditions that could have occurred on early Earth, suggesting it played a role at the outset of life, finds a new study led by University College London researchers......»»
New method measures levels of toxic tire particles in rivers
Scientists at the UK Centre for Ecology & Hydrology (UKCEH) have developed a robust method for detecting whether a toxic chemical used in car tires is present in rivers, streams, and lakes and measuring its concentrations......»»
Study investigates chemical composition of metal-poor star HD 1936
Using the Ankara University Kreiken Observatory (AUKR) in Turkey, astronomers have performed high-resolution spectroscopic observations of a metal-poor star known as HD 1936. Results of the observations campaign, published February 15 on the preprint.....»»
Pharmacists propose ways to increase the activity of levofloxacin and overcome bacterial resistance
The antibacterial drug levofloxacin is used to treat pneumonia, sinusitis, genitourinary infections, and other diseases. It is included in the WHO Model List of Essential Medicines. In terms of its chemical structure, it is a third-generation fluoroq.....»»
Fire is a chemical reaction—here"s why Australia is supremely suited to it
Over the last 15 million years, Australia has slowly dried out. After humans arrived more than 65,000 years ago, they learned to use fire to their advantage. Today, fire weather is getting more frequent—and fires are following as the world heats up.....»»