Search results for nanograms

Environment Aug 15, 2023

How microplastics end up in the marine atmosphere

Microplastic particles are present in the marine atmosphere even in remote parts of the world. These tiny particles come from land sources but are also re-emitted into the atmosphere from the sea, a study by a team of German ...

Biochemistry May 8, 2023

Examining the adhesion tendency of biofilm-forming bacteria on organic surfaces

A recent study by Tokyo Tech researchers has found that the biofilm-forming bacteria E. coli adheres firmly to hydrophobic and hydrophilic protein-adsorbing self-assembling monolayers (SAMs) and weakly to hydrophilic protein-resisting ...

Environment Apr 14, 2023

Methamphetamine detected in first test in Oceania for airborne drug pollution

Methamphetamine, nicotine, caffeine and tetrahydrocannabinol (THC) were detected in downtown Auckland air in the first study of its type in New Zealand and Australia.

Environment Mar 22, 2023

Trying to solve the 'forever problem' of PFAS pollution

Per- and polyfluoroalkyl substances (PFAS) can be found almost everywhere and in almost everyone and can take more than 1,000 years to break down.

Environment Feb 23, 2023

Global wildlife contaminated by 'forever chemicals'

From pandas to sea lions to tigers, hundreds of wildlife species across the globe are contaminated by potentially harmful "forever chemicals", according to a review of hundreds of peer-reviewed studies.

Space Exploration Dec 12, 2022

Proposal for picogram-scale probes to explore nearby stars

In a forward-looking article, George Church, Ph.D., from Harvard University and the Wyss Institute, proposes the use of picogram to nanogram-scale probes that can land, replicate, and produce a communications module at the ...

Environment Oct 26, 2022

'Forever chemicals' persist through wastewater treatment, may enter crops

PFAS (per-and polyfluoroalkyl substances), a group of more than 4,700 fully synthetic compounds that are widely used in industrial and manufacturing processes and found in many consumer products, persist through wastewater ...

Environment Oct 18, 2022

Disinfection processes with better removal results for natural and synthetic progesterones in hospital wastewater

Hospital wastewater (HWW) contains plenty of persistent compounds, dangerous substances, and pathogenic microorganisms, such as antibiotics, psychiatric drugs, β-receptor blockers, anesthetics, analgesics, anti-inflammatory ...

Bio & Medicine Sep 22, 2022

Swimming nanorobots treat deadly pneumonia in mice

Nanoengineers at the University of California San Diego have developed microscopic robots, called microrobots, that can swim around in the lungs, deliver medication and be used to clear up life-threatening cases of bacterial ...

Biochemistry Sep 6, 2022

Pesticide exposure measurable through sewage water

For the first time, scientists from the University of Amsterdam and a Spanish university have developed a method to quickly determine the exposure of people to pesticides via the analysis of wastewater. The researchers published ...

page 2 from 21