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Search results for nanograms

Materials Science Oct 14, 2024

New technologies could help destroy persistent 'forever chemicals'

Scientists and engineers are developing new ways to destroy per- and poly-fluoroalkyl substances (PFAS) efficiently and sustainably. This class of chemicals is known as "forever chemicals" because PFAS persist and accumulate ...

Earth Sciences Oct 10, 2024

Study finds it could take over 40 years to flush PFAS out of groundwater

Per- and polyfluoroalkyl chemicals, known commonly as PFAS, could take over 40 years to flush out of contaminated groundwater in North Carolina's Cumberland and Bladen counties, according to a new study from North Carolina ...

Ecology Oct 8, 2024

Dogs contaminate London ponds with parasite medications, finds study

A study on Hampstead Heath shows that ponds where dogs are allowed to swim contain levels of two pesticides harmful to invertebrate life.

Bio & Medicine Oct 6, 2024

Paper-based sensor offers rapid cardiac diagnostics in 15 minutes

In a significant advancement for point-of-care medical diagnostics, a team of researchers from UCLA has introduced a deep learning-enhanced, paper-based vertical flow assay (VFA) capable of detecting cardiac troponin I (cTnI) ...

Environment Oct 1, 2024

Southern California study finds high levels of airborne plasticizers

A new study documents how Southern Californians are chronically being exposed to toxic airborne chemicals called plasticizers, including one that's been banned from children's items and beauty products.

Environment Sep 27, 2024

New approach reveals details about aerosol properties from hard-to-sample areas in the atmosphere

The spatial distribution of ambient aerosol particles plays a huge role in aerosol–radiation–cloud interactions; however, not enough sampling has been done from the atmospheric boundary layer and lower free troposphere. ...

Molecular & Computational biology Sep 27, 2024

Scientists uncover structural secrets of antiepileptic drugs

RIKEN researchers have discovered how the structure of drugs for treating epilepsy allows them to interact with a key protein found in synapses at the junctions of neurons. This knowledge could help to design even better ...

Plants & Animals Sep 17, 2024

A toxic chemical was blamed for killing thousands of Teesside crabs, but a study explains why pyridine isn't the culprit

In October 2021, thousands of dead and dying crabs and lobsters washed up along 45 miles (70km) of coastline in north-east England. This mass-mortality event coincided with the redevelopment of one of the UK's largest ports ...

Environment Aug 24, 2024

What exactly are 'forever chemicals'—and can we move beyond them?

The Australian parliament will conduct a national inquiry into the dangers of "forever chemicals."

Astronomy Aug 23, 2024

Professor proposes how a black hole in orbit around a planet could be a sign of an advanced civilization

In 1971, English mathematical physicist and Nobel-prize winner Roger Penrose proposed how energy could be extracted from a rotating black hole. He argued that this could be done by building a harness around the black hole's ...

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