Direct ink writing of high-resolution cellulose structures
Three-dimensional (3D) printing has a significant role in membrane production for water purification and bio-separation, with capacity to create new and cleverly designed structures.
News tagged with water purification
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Research demonstrates surface diffusion enhanced ion transport through two-dimensional channels
Materials scientists have extensively studied fast ion permeation in nanofluidic channels in the past decades due to their potential within filtration technologies and osmotic energy harvesting. While the mechanisms underlying ...
Unprecedented artificial potassium channels better mimic those of electric eels
Biological potassium ion channels allow selective permeation of larger K+ (ionic radius of 1.3 Å) over smaller Na+ (1.0 Å) with selectivity ratio over 1,000-fold. For decades, scientists have long sought to mimic these ...
Biotechnology
Oct 31, 2023
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Step change in upconversion the key to clean water, green energy and futuristic medicine
Achieving photochemical upconversion in a solid state is a step closer to reality, thanks to a new technique that could unlock vital innovations in renewable energy, water purification and advanced health care.
Analytical Chemistry
Sep 18, 2023
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Farms that create habitat key to food security and biodiversity
It seems intuitive that forests would provide better habitat for forest-dwelling wildlife than farms. Yet, in one of the longest-running studies of tropical wildlife populations in the world, Stanford researchers found that ...
Ecology
Sep 4, 2023
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Fullerene-pillared porous graphene with high water adsorption capacity
Separation processes are essential in the purification and concentration of a target molecule during water purification, removal of pollutants, and heat pumping, accounting for 10–15% of global energy consumption. To make ...
Nanomaterials
Jul 27, 2023
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Flow of water on a carbon surface is governed by quantum friction, says study
Water and carbon make a quantum couple: the flow of water on a carbon surface is governed by an unusual phenomenon dubbed quantum friction. A new work published in Nature Nanotechnology experimentally demonstrates this phenomenon—which ...
Nanophysics
Jun 23, 2023
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Reflecting on 20 years of progress in interfacial sciences and engineering
Interfacial reactions happen at the boundary where materials in different phases, for example a solid and a liquid, meet each other. These reactions drive all elemental cycling on Earth and play pivotal roles in human activities ...
Materials Science
Jun 5, 2023
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3D-printed polymer substrate coated with photocatalytic film developed for efficient water purification
A research team led by Prof. Zhang Dun from the Institute of Oceanology of the Chinese Academy of Sciences (IOCAS) has developed a novel in-situ growth, bismuth oxyiodide (BiOI) film on a 3D-printed polymer substrate through ...
Polymers
May 11, 2023
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Drones offer more efficient way to survey vital oyster reefs
Skimming 100 feet above the Gulf waters at 13 miles per hour and blasting out 700,000 laser pulses every second, a drone flies over this oyster reef off the Big Bend coast of western Florida in early 2021. A few minutes later, ...
Ecology
May 1, 2023
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