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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......»»

Category: topSource:  physorgJul 13th, 2021

Genetically engineered bacterium enables biosynthesis of melanin nanoparticles

Photothermal therapy (PTT) has attracted considerable attention for the treatment of tumors because it is minimally invasive and has spatiotemporal selectivity......»»

Category: topSource:  physorgRelated NewsJan 13th, 2023

Midterm elections show a silver lining for US democracy: Survey

According to the most recent Bright Line Watch survey, titled "Rebound in Confidence: American Democracy and the 2022 Midterm Elections," which was fielded right after the 2022 November elections, more voters in the United States now trust the integr.....»»

Category: topSource:  physorgRelated NewsJan 12th, 2023

Amazon"s $500 price drop on Apple"s M1 Max MacBook Pro 16-inch is the best ever

Amazon's $500 price cut on the M1 Max MacBook Pro 16-inch is the steepest to date, bringing the premium laptop down to $2,999.99.Save $500 instantly.The $2,999.99 price on the high-end 16-inch MacBook Pro in Silver is the lowest available, according.....»»

Category: appleSource:  appleinsiderRelated NewsJan 12th, 2023

Converting temperature fluctuations into clean energy with novel nanoparticles and heating strategy

Pyroelectric catalysis (pyro-catalysis) can convert environmental temperature fluctuations into clean chemical energy, such as hydrogen. However, compared with the more common catalysis strategy, such as photocatalysis, pyro-catalysis is inefficient.....»»

Category: topSource:  pcmagRelated NewsJan 11th, 2023

Apple Silver Link Bracelet long-term review - with Apple Watch Ultra

Apple's stainless Silver Link Bracelet is an exceptional Apple Watch band and a great Apple Watch Ultra companion.Apple metal link with Apple Watch UltraApple Watch Ultra came to market with a new design and a larger screen size. Apple paired it with.....»»

Category: appleSource:  appleinsiderRelated NewsJan 11th, 2023

Cubes outperform spheres as catalyst particles

To date, nanoparticles as catalysts for green hydrogen have been like rowers in an eight: researchers could only measure their average performance, but couldn't determine which one was the best. This has now changed following the development of a new.....»»

Category: topSource:  physorgRelated NewsJan 10th, 2023

Speciesism, like racism, imperils humanity and the planet

With the world's population topping 8 billion last year, it's clear that humans have achieved a unique status in Earth's history. We are the only creature that dominate all other organisms on the planet, from animals and fungi to plants and microbes......»»

Category: topSource:  physorgRelated NewsJan 9th, 2023

Improving safety assessment of nanoparticles

How safe are the nanoparticles in transparent sunscreen, anti-odor socks and bacteria-resistant plasters? Although microbes are present on all organisms, the tools that estimate the safety of nanomaterials still hardly take them into account. Bregje.....»»

Category: topSource:  physorgRelated NewsJan 4th, 2023

Amazon"s $299 iPad deal is still available for January 2023

Apple's iPad 9th Generation is $30 off at Amazon this first week in January.Pick up an iPad for $299.If you've been waiting for Apple's iPad 9th Generation to dip below $300, today is the day — with the standard 64GB WiFi model in Silver available.....»»

Category: appleSource:  appleinsiderRelated NewsJan 2nd, 2023

Let it snow: Scientists make metallic snowflakes out of nanoparticles

Different metals produce differently shaped crystals that self-assemble in liquid gallium Enlarge / SEM image of a nanoscale snowflake self-assembled from zinc dissolved in a liquid gallium solvent. (credit: Waipapa Taumata Rau/U.....»»

Category: topSource:  arstechnicaRelated NewsDec 26th, 2022

Collective circular dichroism by chiral plasmonic nanoparticles

Molecular chirality refers to the geometrical property of molecules with broken mirror symmetry. Characterizing molecular chirality and understanding their roles in physiochemical situations has been important in broad research scope such as, biology.....»»

Category: topSource:  physorgRelated NewsDec 22nd, 2022

Researchers discover "dormant" magnetosome genes in non-magnetic bacteria

Magnetic bacteria can align their movement with the Earth's magnetic field thanks to chains of magnetic nanoparticles inside their cells. The blueprints for making and linking these magnetosomes are stored in the bacteria's genes......»»

Category: topSource:  physorgRelated NewsDec 22nd, 2022

Rapid test based on specially designed magnetic nanoparticles reliably detects pathogens in a few seconds

The current rapid tests for diagnosing infectious diseases are speedy, but not really fast. For example, antigen self-tests, PCR tests or ELISA tests for coronavirus take 15 minutes to several hours before a reliable result is available......»»

Category: topSource:  physorgRelated NewsDec 21st, 2022

Single-chain polymer nanoparticles in the battle against malaria

New research by a team of UT researchers could provide a promising approach in the battle against malaria. In their research published in the journal ACS Infectious Diseases, the researchers combat the malaria parasite in mosquitoes in a specific pha.....»»

Category: topSource:  physorgRelated NewsDec 19th, 2022

Linking fossil climate proxies to living bacteria helps climate predictions

Microbes have skins that react to the environment, much in the same way that our skin sweats when it is hot, or shivers when it is cold outside. Fossilized microbial skins can give us a glimpse of how the climate was in the deep geological past. By d.....»»

Category: topSource:  physorgRelated NewsDec 16th, 2022

Researchers compile world"s first "atlas" of airborne microbes

Bacteria are truly abundant across the Earth's surface, from the soil to the oceans. The microbial population of the air that surrounds us is comparatively unknown, but a research expedition led by PolyU scientists is about to change that. After near.....»»

Category: topSource:  physorgRelated NewsDec 16th, 2022

How do you treat untreatable infections? Do what the microbes do

In a discovery with implications for the drug-resistance crisis, Princeton Engineering researchers have isolated a compound that kills bacteria that can cause incurable infections......»»

Category: topSource:  physorgRelated NewsDec 15th, 2022

Scientists discover a new supergroup of rare single-celled predators

Rare microbes form two branches of a supergroup, a classification above kingdoms. Enlarge (credit: Aurich Lawson) Back in the day, taxonomists had to characterize organisms based basically on how they looked. Molecular p.....»»

Category: topSource:  arstechnicaRelated NewsDec 14th, 2022

Development of new zeolitic catalyst shows the great importance of small dimensions

Dr. Michal Mazur and his colleagues from the Faculty of Science, Charles University in Prague study catalysts that are based on metal nanoparticles stabilized at zeolites. Recently, they have prepared a new type of zeolitic catalyst. Their results ha.....»»

Category: topSource:  physorgRelated NewsDec 14th, 2022

Targeted photothermal treatment for blood clots shows promise

Nanoparticles loaded with dye that release heat upon near-infrared irradiation could provide the key to more targeted treatment for blood clots, according to new research by the Baker Institute and Swinburne University......»»

Category: topSource:  informationweekRelated NewsDec 9th, 2022