Search results for metal air pollution

Analytical Chemistry Mar 30, 2026

Cyclic catalysts use sunlight and air to regenerate during pharma ingredient synthesis

In chemical processes for producing pharmaceuticals, catalysts are a core technology that determines production speed and cost. However, until now, there has been a trade-off between "precise but disposable catalysts" and ...

Polymers Mar 26, 2026

Nitrile and latex gloves may cause overestimation of microplastics in the lab

Nitrile and latex gloves that scientists wear while they are measuring microplastics may lead to a potential overestimation of the tiny pollutants, according to a University of Michigan study, published in Analytical Methods.

Nanomaterials Mar 24, 2026

Belt-like VO₂(B) single crystals unlock high-sensitivity gas detection at room temperature

An international research team has successfully synthesized oriented belt-shaped vanadium dioxide (VO2(B)) single crystals via a hydrothermal reduction method, using one-dimensional vanadium pentoxide (V2O5) nanofibers as ...

Environment Mar 22, 2026

How moss could help roads cope with heavy rain and reduce air pollution

Across Europe, many banks alongside motorways are planted with grass to stabilize soil and keep roadside landscapes tidy.

Environment Mar 17, 2026

Largest UK study to date uncovers hidden chemical risks in waste-to-energy residues

Energy-from-waste facilities are often positioned as a cleaner alternative to landfill, transforming rubbish into electricity and reducing the UK's waste burden. But new research suggests that there may be a hidden cost to ...

Earth Sciences Mar 13, 2026

A race against time to save Alpine ice cores that record medieval mining, fires, and volcanoes

Ice cores taken from glaciers reveal the air pollution of the past, using atmospheric particles incorporated in snow that fell on the glacier and became ice. Now, scientists have extracted a record of thousands of years' ...

Environment Mar 2, 2026

Microplastics and nanoplastics in urban air originate mainly from tire abrasion, research reveals

Although plastic particles in the air are increasingly coming into focus, knowledge about their distribution and effects is still limited. Chemical analyses from Leipzig now provide details from Germany for the first time: ...

Bio & Medicine Mar 2, 2026

Nanoparticles and AI can help researchers detect pollutants in water, soil and blood

Across the U.S., hundreds of sites on land or in lakes and rivers are heavily contaminated with hazardous waste produced by human activity. Many of these places, designated as Superfund sites by the Environmental Protection ...

Biochemistry Feb 23, 2026

Turning high-emissions waste into fertilizer: Catalyst boosts urea production by coupling CO₂ with nitrogen pollutants

UNSW engineers have tackled a longstanding problem at the heart of global agriculture: how to make urea for fertilizer without the intensity of emissions associated with fossil-fuel-powered factories. The solution is outlined ...

Environment Feb 9, 2026

Seabirds ingest large quantities of pollutants—some of which have been banned for decades—liver analyses reveal

In her 1962 book, "Silent Spring," American biologist Rachel Carson revealed that DDT, a widely used pesticide at the time, was responsible for the mass death of birds, including the iconic bald eagle. One reason was that ...

page 4 from 40