Antitumor agents must kill off cancer cells while protecting healthy tissue and create no toxic side-effects. A novel approach based on "self-immolative" polyferrocenes—copolymers that split apart into their components ...
Biochemistry
Jun 21, 2023
0
43
Reactive oxygen species (ROS) are reputed for their involvement in carcinogenesis. Results from a study published in the journal Angewandte Chemie have now shown that the level of one such ROS, hydrogen peroxide, is significantly ...
Biochemistry
Feb 7, 2023
0
42
A mysterious surge in planet-heating atmospheric methane in 2020 despite COVID lockdowns that reduced many human-caused sources can be explained by a greater release from nature and, surprisingly, reduced air pollution, scientists ...
Environment
Dec 14, 2022
0
228
When winter chill strikes, people stay indoors more often, giving airborne pathogens—such as SARS-CoV-2 and influenza—prime opportunities to spread. Germicidal ultraviolet (GUV) lamps can help disinfect circulating air, ...
Analytical Chemistry
Dec 7, 2022
0
214
A new approach to studying the behavior of surface films covering particles taken directly from the atmosphere has been developed by scientists at Royal Holloway, University of London, and the University of Birmingham, along ...
Environment
Jun 14, 2022
0
72
Haze is formed when a cocktail of various gaseous pollutants is oxidized and forms particulate matter diffusing sunlight. This process is mainly mediated by hydroxyl radicals (OH), and researchers have now discovered a new ...
Materials Science
Mar 31, 2022
0
127
Treating cancer and other diseases with laser light is not currently considered routine in the clinical setting, but new approaches using nanoparticles show some promise in improving existing techniques.
Bio & Medicine
Mar 15, 2022
0
118
Membrane filters don't require much energy to purify water, making them popular for wastewater treatment. To keep these materials in tip-top condition, they're commonly cleaned with large amounts of strong chemicals, but ...
Nanophysics
Mar 2, 2022
0
98
Earth's atmosphere has a unique ability to cleanse itself by way of invisible molecules in the air that act as minuscule cleanup crews. The most important molecule in that crew is the hydroxyl radical (OH), nicknamed the ...
Environment
Nov 1, 2021
0
179
An international collaboration of astronomers led by a researcher from the Astrobiology Center and Queen's University Belfast has detected a new chemical signature in the atmosphere of an extrasolar planet—i.e., a planet ...
Astronomy
Apr 27, 2021
2
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