Caltech researchers have discovered a new class of enzymes that enable a myriad of bacteria to "breathe" nitrate when in low-oxygen conditions. While this is an evolutionary advantage for bacterial survival, the process produces ...
Earth Sciences
Jun 21, 2024
0
200
When old satellites fall into Earth's atmosphere and burn up, they leave behind tiny particles of aluminum oxide, which eat away at Earth's protective ozone layer. A new study finds that these oxides have increased 8-fold ...
Earth Sciences
Jun 12, 2024
0
2880
Biodegradable electronics allow for medical devices—such as drug delivery systems, pacemakers or neural implants—to safely degrade into materials that are absorbed by the body after they are no longer needed. But if the ...
Materials Science
Jun 28, 2024
0
33
A research team led by Prof. Chen Changlun from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, together with collaborators, developed advanced cobalt-doped nickel hydroxide bipolar electrodes ...
Analytical Chemistry
Jul 8, 2024
0
97
Air pollution is a severe risk to human health and the environment, particularly from fine particulate matter (PM2.5) and ozone (O3). Despite global efforts, many cities continue to face significant exposure risks from these ...
Environment
Jun 28, 2024
0
76
Phototherapy is a safe and effective method for tumor treatment, including photothermal therapy (PTT) and photodynamic therapy (PDT). PTT refers to the use of laser to activate photothermal conversion agents and use high ...
Bio & Medicine
Jun 14, 2024
0
24
Global emissions of nitrous oxide—a potent greenhouse gas—are outpacing expectations and putting climate change goals in peril, a major study published on Wednesday found.
Environment
Jun 15, 2024
0
39
Layers of carbon atoms in a honeycomb array are a true supermaterial: their unusually high conductivity and favorable mechanical properties could further the development of bendable electronics, new batteries, and innovative ...
Nanomaterials
Jun 14, 2024
0
1
A combined team of chemical and biomolecular engineers from the University of Delaware, and the Center for Plastics Innovation, both in the U.S., has developed a way to chemically separate fibers in textiles, allowing them ...
Fingerprint detection is one of the most important techniques in forensic investigation. When fingerprints are dusted with a carbon-based powder, the material will adhere to the moisture and grease left behind by the unique ...
Nanomaterials
Jun 17, 2024
1
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