Are silver nanoparticles a silver bullet against microbes?
Antimicrobials are used to kill or slow the growth of bacteria, viruses and other microorganisms. They can be in the form of antibiotics, used to treat bodily infections, or as an additive or coating on commercial products used to keep germs at bay......»»
The right bacteria turn farms into carbon sinks
A company works with farmers to treat fields with bacteria that sequester carbon. Some of the microbes that make carbon sequestration work. (credit: Andes Ag, Inc) In 2022, humans emitted a staggering 36 gigatons of carb.....»»
Efficient photothermal CO₂ methanation over NiFe alloy nanoparticles
The massive emissions of CO2 from the utilization of fossil fuels have caused a series of environmental issues and climate change. Driven by the fast development of green hydrogen and CO2 capture technologies, the hydrogenation of CO2 to hydrocarbon.....»»
Quick and easy preparation of small-sized metal nanoparticles by microchip laser
Pulsed laser ablation in liquid (PLAL) is a reliable and versatile technique for producing metal nanoparticles (NPs) in solution. Its advantages, including the absence of reducing agents, operational simplicity, high purity without purification steps.....»»
Locusts" sense of smell boosted with custom-made nanoparticles
Our sensory systems are highly adaptable. A person who cannot see after turning off a light in the night slowly achieves superior power to see even small objects. Women often attain a heightened sense of smell during pregnancy. How can the same senso.....»»
Why surface materials matter in health care settings
Health care facilities serve as havens for patients seeking treatment for disease and injury. However, they can also be home to a hidden world of microbes, lurking in places and devices that lead to life-threatening infections......»»
Environmental risks of new pesticides with nanoparticles insufficiently examined, say researchers
The environmental risks of new pesticides containing nanoparticles are inadequately researched, according to four Leiden University scientists, who have published an article in the journal Environmental Science & Technology. They call for an examinat.....»»
Researchers uncover molecular mechanisms behind effects of MXene nanoparticles on muscle regeneration
Tissue engineering, which involves the use of grafts or scaffolds to aid cell regeneration, is emerging as a key medical practice for treating volumetric muscle loss (VML), a condition where a significant amount of muscle tissue is lost beyond the bo.....»»
New tool reveals gene behavior in bacteria
Bacterial infections cause millions of deaths each year, with the global threat made worse by the increasing resistance of the microbes to antibiotic treatments. This is due in part to the ability of bacteria to switch genes on and off as they sense.....»»
Cells" electric fields keep nanoparticles at bay, scientists confirm
The humble membranes that enclose our cells have a surprising superpower: They can push away nano-sized molecules that happen to approach them. A team including scientists at the National Institute of Standards and Technology (NIST) has figured out w.....»»
Salt, microbes, acid and heat in food preservation
In an era of grocery stores and home refrigerators, it is easy to lose sight of the fact that, for most of history, people have been bound by the seasonality of food. This reality has long presented humanity with a conundrum: how to keep eating after.....»»
Research reveals gas-phase migration route for formation of strong metal-support interaction state
Strong metal-support interaction (SMSI) is one of the most important concepts in heterogeneous catalysis. Triggered by pretreatment or reaction processes, the supported metal nanoparticles may be partially or completely encapsulated by support-derive.....»»
Space travel taxes astronauts" brains. But microbes on the menu could help in unexpected ways
Feeding astronauts on a long mission to Mars goes well beyond ensuring they have enough nutrients and calories to survive their multi-year journey......»»
Researchers optimize 3D printing of optically active nanostructures
For about 20 years, it has been possible to modify surfaces via nanoparticles so that they concentrate or manipulate light in a desired way or trigger other reactions. Such optically active nanostructures can be found in solar cells and biological or.....»»
Research team develops anti-icing film that only requires sunlight
A KAIST research team has developed an anti-icing and de-icing film coating technology that can apply the photothermal effect of gold nanoparticles to industrial sites without the need for heating wires, periodic spray or oil coating of anti-freeze s.....»»
Decorated nanoparticles prevent anaphylaxis without causing side effects in mouse study
Northwestern University researchers have developed the first selective therapy to prevent allergic reactions, which can range in severity from itchy hives and watery eyes to trouble breathing and even death......»»
Largest-ever study of ocean DNA creates comprehensive catalog of marine microbes
The ocean is the world's largest habitat, yet much of its biodiversity is still unknown. A study published in Frontiers in Science marks a significant breakthrough, reporting the largest and most comprehensive database of marine microbes to date—ma.....»»
AI-Optimized Catheter Design Could Prevent Urinary Tract Infections without Drugs
A 3-D-printed tube stymies microbes with a tiny obstacle course to combat rampant infections in hospitals.....»»
Study finds 10 Bacillus strains can regulate antioxidative system in response to acid stresses
Soil acidification is widely occurring in diverse terrestrial ecosystems and soil microbial communities have been reported to be highly sensitive to changes in soil pH. Soil microbes could regulate their physiological conditions to make them survive.....»»
Next-generation wastewater solutions: Utilizing acid-resistant microbes for improved treatment efficiency
Free nitrous acid (FNA) is known for its capacity to inhibit various microorganisms in wastewater systems, significantly benefiting treatment process management. Initially deemed problematic due to its potential adverse effects on treatment, FNA is n.....»»
iPhone sales might be down, but buyers are opting for more storage
Despite analyst concerns over falling iPhone sales volumes, consumers opting for storage upgrades provides a silver lining for Apple's average sales price.Stabilization of iPhone storage upgrades safeguards ASPIn the September 2023 quarter, about 44%.....»»