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Search results for graphene oxide

Nanomaterials Jul 31, 2025

Dome-shaped aerogel architecture offers superior toughness and flexibility for spacecraft applications

A new collection of chemically diverse dome-celled ultralight aerogels with high porosity and very low density feature elasticity and mechanical properties that remain intact even under extreme temperatures from 4.2 kelvin ...

Nanomaterials Jul 28, 2025

New coating uses graphene oxide to deliver silver ions for long-lasting antimicrobial action

Researchers at the National Graphene Institute have developed a new type of antimicrobial coating that could improve hygiene across health care, consumer, and industrial products. Working in partnership with medical technology ...

Nanophysics Jul 25, 2025

New approach to engineering crumpled GO membranes for separating hydrogen and other gases

The reliable separation of some gases from others could be highly advantageous for a wide range of applications. For instance, it could help to produce hydrogen (H2) for fuel cells and chemical applications or to capture ...

Materials Science Jul 17, 2025

Electrochemical route allows for synthesis of giant fullerenes at lower cost, less environmental impact

A study conducted by researchers at the University of São Paulo (USP) in Brazil and the Università degli Studi di Roma "La Sapienza" in Italy has synthesized fullerenes and hollow spherical graphene particles using only ...

Nanophysics Jul 17, 2025

From coffee rings to saucer patterns—how graphene oxide's surface chemistry shapes evaporating droplet deposits

An evaporating colloidal particle–laden droplet leaves behind a ring-like residue after drying. We routinely observe this ubiquitous phenomenon for dried coffee drops; thus, it is known as the "coffee-ring effect." As a ...

Bio & Medicine Jul 11, 2025

Graphene-based artificial tongue achieves near-human-like sense of taste

A team of researchers report in the Proceedings of the National Academy of Sciences on a new graphene-based sensor design that, through machine learning, was able to develop a near-human sense of taste. This device is the ...

Cell & Microbiology Jul 2, 2025

Chemical sensors inspired by breathalyzers could 'sniff out' antibiotic resistance, says researcher

Tiny sensors, similar to breathalyzers, could "sniff out" bacterial infections and detect antimicrobial-resistant bacteria in bodily fluids, says a team of engineers, microbiologists, and machine learning experts in an opinion ...

Nanophysics Jun 23, 2025

Light-as-a-feather nanomaterial extracts drinking water from air

An international scientific collaboration has developed a novel nanomaterial to efficiently harvest clean drinking water from water vapor in the air. The nanomaterial can hold more than three times its weight in water and ...

Biochemistry Jun 20, 2025

Ultrafast membrane reactor developed for cleaner, more efficient beta-blocker production

Chinese scientists have developed a breakthrough process that significantly improves the efficiency and environmental friendliness of beta-blocker production—with a focus on the widely used compound propranolol, which plays ...

Condensed Matter Jun 16, 2025

Ultra-thin metallic oxide reveals unexpected magnetic behavior for spintronic applications

In a new study, researchers at the University of Minnesota Twin Cities discovered surprising magnetic behavior in one of the thinnest metallic oxide materials ever made. This could pave the way for the next generation of ...

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