Microneedle array embedded with ultrasound-triggered antibacterial nanoparticles for acne treatment
A research team led by Professor Kelvin Yeung from the Department of Orthopedics and Traumatology, School of Clinical Medicine, LKS Faculty of Medicine, the University of Hong Kong (HKUMed) has designed a new microneedle patch to offer a highly-effec.....»»
Enrichment of anchoring sites via supramolecular halogen bonds for efficient perovskite nanocrystal LEDs
Colloidal semiconductor nanoparticles can be viewed as a complex of an inorganic single crystal core and a monolayer of organic ligands. The location and type of ligand anchoring on the nanocrystal surface are critical to the nanocrystal morphology,.....»»
Ultrasound can save fish in hydropower rivers
The phenomenon of gas supersaturation occurs when air enters water-filled hydropower inlets and is then exposed to high pressure. When this water is subsequently released into the river below the hydropower plant, it's almost like opening a bottle of.....»»
New findings from JWST: How black holes switched from creating to quenching stars
Astronomers have long sought to understand the early universe, and thanks to the James Webb Space Telescope (JWST), a critical piece of the puzzle has emerged. The telescope's infrared detecting "eyes" have spotted an array of small, red dots, identi.....»»
Building a DNA nanoparticle to be both carrier and medicine
Scientists have been making nanoparticles out of DNA strands for two decades, manipulating the bonds that maintain DNA's double-helical shape to sculpt self-assembling structures that could someday have jaw-dropping medical applications......»»
A protective layer applied to gold nanoparticles can boost its resilience
For the first time, researchers including those at the University of Tokyo have discovered a way to improve the durability of gold catalysts by creating a protective layer of metal oxide clusters. The enhanced gold catalysts can withstand a greater r.....»»
Preclinical study uncovers two proteins" crucial role in causing cancer cell growth
Scientists at City of Hope, one of the largest cancer research and treatment organizations in the United States, have discovered a new cellular mechanism that plays an important role in cancer cells' ability to cause disease. The study is published i.....»»
Engineers unmask nanoplastics in oceans, revealing their true shapes and chemistry
Millions of tons of plastic waste enter the oceans each year. The sun's ultraviolet light and ocean turbulence break down these plastics into invisible nanoparticles that threaten marine ecosystems......»»
Whether a racial minority or majority at their school, white teachers struggle with race relations
White workers' emotions about race and reactions to racial differences in the workplace are triggered by identity threat-induced culture shock, researchers suggest in a new study......»»
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.....»»
Synthetic antibacterial minerals combat topical infections
The development of new antibiotics has stalled—new strategies are needed as the world enters the age of antibiotic resistance. To combat this challenge, Lawrence Livermore National Laboratory (LLNL) scientists have found that synthetic antibacteria.....»»
Study finds commensal gut bacteria develop resistance in response to antibacterial treatment
An international team of microbiologists and immunologists has found that commensal gut bacteria develop resistance to antibacterial therapies for infections. In their study, reported in the journal Science Translational Medicine, the group monitored.....»»
Ford Pro selling 1,000 EVs to Ecolab for zero-emission Calif. fleet
Ecolab, a company that specializes in water treatment and purification, said it would buy more than 1,000 Mustang Mach-Es and F-150 Lightnings as it works toward electrifying its California fleet by next year......»»
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.....»»
Cosmic building blocks of life discovered through the electron microscope
A team of researchers has examined the Winchcombe meteorite and demonstrated the existence in it of nitrogen compounds such as amino acids and heterocyclic hydrocarbons—without applying any chemical treatment and by using a new type of detector des.....»»
Egypt pyramid renovation sparks debate
A video showing renovation work at Egypt's Menkaure pyramid at Giza has triggered social media criticism, with one expert decrying its "absurdity"......»»
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......»»
Snake venom research has broad implications for bite treatment
Studying how rattlesnakes regulate their venom gives us important insight into how their genes are controlled. It also highlights the challenges in treating snakebites, according to new research in the journal Genome Biology and Evolution......»»
Study reveals ecological threat of trace organic pollutants in China"s wastewater effluents
Wastewater treatment plants (WWTPs) are good at cleaning up common pollutants but often miss tiny amounts of other harmful substances, known as trace organic pollutants......»»
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.....»»