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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

A whiff of tears reduces male aggression, says study

Watching someone cry often evokes an emotional response—but according to a new study published Thursday, human tears themselves contain a chemical signal that reduces brain activity linked to aggression......»»

Category: topSource:  physorgRelated NewsDec 25th, 2023

Stinky, bitter, and painful: A novel insect repellent attacks multiple sensory pathways

Crop damage in agriculture and the transmission of vector-borne diseases by insect pests have become worldwide threats nowadays. Chemical treatments such as insecticides and repellents have been a significant strategy against insect pests for centuri.....»»

Category: topSource:  physorgRelated NewsDec 22nd, 2023

A sweater made from new aerogel fiber tests warmer than one made from down

A team of chemical engineers and materials scientists at Zhejiang University in China has developed a new type of aerogel fiber that has proven to be warmer than down when woven into a sweater. In their paper published in the journal Science, the gro.....»»

Category: topSource:  physorgRelated NewsDec 22nd, 2023

Researchers surprised at levels of toxicity in standard plastic products

The plastic with which we surround ourselves contains a range of chemical additives that can leach out into water systems in the natural environment. This can happen both before and during the plastic degradation process. Even if it takes a long time.....»»

Category: topSource:  theglobeandmailRelated NewsDec 21st, 2023

Thianthrenium chemistry allows reactivity switch of a nucleophilic amino acid into a versatile intermediate

Chemical diversification of proteins is an important concept in the study of biological processes and the complex structures of the proteins themselves. Researchers from the Max Planck Society have now published their fascinating findings concerning.....»»

Category: topSource:  physorgRelated NewsDec 21st, 2023

Using carbonated water in chromatography makes for a greener process, new study finds

Editors and reviewers of the journal Green Chemistry have highlighted a new study from the University of Texas at Arlington investigating how to make common chemical techniques more environmentally friendly as one of its "hot" articles for 2023......»»

Category: topSource:  physorgRelated NewsDec 20th, 2023

Scientists engineer bacteria to make two valuable products from plant fiber

We often look to the smallest lifeforms for help solving the biggest problems: Microbes help make foods and beverages, cure diseases, treat waste and even clean up pollution. Yeast and bacteria can also convert plant sugars into biofuels and chemical.....»»

Category: topSource:  physorgRelated NewsDec 20th, 2023

3D material found to break down antidepressant that contaminates water bodies worldwide

An study published in the Chemical Engineering Journal describes a strategy to produce a material based on zinc oxide (ZnO) capable of degrading sertraline, an antidepressant that has been detected, like other drugs, in groundwater worldwide and is c.....»»

Category: topSource:  physorgRelated NewsDec 19th, 2023

"Molecular jackhammers" can rupture melanoma cells" membrane, study shows

The Beach Boys' iconic hit single "Good Vibrations" takes on a whole new layer of meaning thanks to a recent discovery by Rice University scientists and collaborators, who have uncovered a way to destroy cancer cells by using the ability of some mole.....»»

Category: topSource:  physorgRelated NewsDec 19th, 2023

New study explores amino acid that turns into gel in water

Hydrogels, ubiquitous materials in our daily lives, are the focus of scientific research published in Chemistry—A European Journal. Conducted by the SupraBioNanoLab at the Department of Chemistry, Materials and Chemical Engineering Giulio Natta at.....»»

Category: topSource:  physorgRelated NewsDec 19th, 2023

Characterizing the role of oxidized tryptophan residues in repairing damaged photosystem II protein

Photosynthesis refers to the fundamental biological process of the conversion of light energy into chemical energy by chlorophyll (a green pigment) containing plants. This seemingly routine process in plants sustains all the biological life and activ.....»»

Category: topSource:  physorgRelated NewsDec 18th, 2023

Uncontrolled chemical reactions fuel crises at LA County"s two largest landfills

Hundreds of feet underground, in a long-dormant portion of Chiquita Canyon landfill, tons of garbage have been smoldering for months due to an enigmatic chemical reaction......»»

Category: topSource:  physorgRelated NewsDec 18th, 2023

X-ray imaging of The Night Watch reveals previously unknown lead layer

Rembrandt may have used lead-rich oil to prep his canvas and protect it from humidity. Enlarge / Rembrandt's The Night Watch underwent many chemical and mechanical alterations over the last 400 years. (credit: Public domain).....»»

Category: topSource:  arstechnicaRelated NewsDec 15th, 2023

Computational model captures the elusive transition states of chemical reactions

During a chemical reaction, molecules gain energy until they reach what's known as the transition state—a point of no return from which the reaction must proceed. This state is so fleeting that it's nearly impossible to observe it experimentally......»»

Category: topSource:  physorgRelated 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 way to charge batteries harnesses the power of "indefinite causal order"

Batteries that exploit quantum phenomena to gain, distribute and store power promise to surpass the abilities and usefulness of conventional chemical batteries in certain low-power applications. For the first time, researchers, including those from t.....»»

Category: topSource:  physorgRelated NewsDec 14th, 2023

New chemical method advances toward targeted RNA medicine

Targeted drugs aim to pinpoint the exact location in the body where diseased tissue is located and where the medicine is required. The manifold benefits of administering a targeted drug include heightened efficacy, as the drug is meticulously designe.....»»

Category: topSource:  physorgRelated NewsDec 13th, 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

Molecular fossils study sheds light on feeding strategy shift in ancient life

Paleontologists are getting a glimpse at life over a billion years in the past based on chemical traces in ancient rocks and the genetics of living animals. Research published in Nature Communications combines geology and genetics, showing how change.....»»

Category: topSource:  physorgRelated NewsDec 7th, 2023

Engineers develop a way to determine how the surfaces of materials behave

Designing new compounds or alloys whose surfaces can be used as catalysts in chemical reactions can be a complex process relying heavily on the intuition of experienced chemists. A team of researchers at MIT has devised a new approach using machine l.....»»

Category: topSource:  physorgRelated NewsDec 7th, 2023