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......»»
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%.....»»
Anisotropic plasmon engineering unlocks multilevel polarized upconversion
National University of Singapore (NUS) researchers have introduced an upconversion plasmonphore platform to enable precise control over the polarization of isotropic upconversion nanoparticles (UCNPs). This is achieved by coupling upconversion activa.....»»
Precision coating boosts nanomedicine
A study published in the International Journal of Nanotechnology has looked at the controlled synthesis and coating of magnetic nanoparticles (MNPs), specifically using oleic acid (OA) and polyethylene glycol (PEG). These two well-studied polymers ca.....»»
New research on microbes expands the known limits for life on Earth and beyond
New research led by Stanford University scientists predicts life can persist in extremely salty environments, beyond the limit previously thought possible......»»
Creating novel amino acid nanoparticles with enhanced anticancer activity
Amino acids, such as tyrosine and tryptophan, are the fundamental building blocks that make up proteins. These biomolecules have different chemical groups on each end and side chain, and so, have the natural ability to form a chain through the format.....»»
Soil fungi may help explain the global gradient in forest diversity
A paper published in Nature Communications Biology contributes to the growing appreciation for the outsize role that microbes play in everything from human digestion to crop yields: Microbes in the soil—fungi in this case—appear to be influencing.....»»