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Graphene finds new application as non-toxic, anti-static hair dye

New formula works as well as commercial permanent dyes without chemically altering hairs


It's an issue that has plagued the beauty industry for more than a century: Dying hair too often can irreparably damage your silky strands. Now a Northwestern University team has used materials science to solve this age-old problem. The team has leveraged super material graphene to develop a new ...


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Using DNA, nanoparticles and lithography to make optically active structures


Northwestern University researchers have developed a first-of-its-kind technique for creating entirely new classes of optical materials and devices that could lead to light bending and cloaking devices -- news to make the ears of Star Trek's Spock perk up. Using DNA as a key tool, the ...


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New lithium-rich battery could last much longer

Battery leverages both iron and oxygen to drive more lithium ions


On paper, it doesn't seem like Christopher Wolverton's super lithium-rich battery should work. For one, the novel battery uses iron, an inexpensive metal that has notoriously failed in batteries. And in another difficult feat, the battery leverages oxygen to help drive the chemical reaction, ...


Scientists capture colliding organic nanoparticles on video for first time


A Northwestern University research team is the first to capture on video organic nanoparticles colliding and fusing together. This unprecedented view of "chemistry in motion" will aid Northwestern nanoscientists developing new drug delivery methods as well as demonstrate to researchers around the ...


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Understanding rare earth emulsions

Surface polarization in mixed media increases attraction among elements


Despite their name, rare earth elements actually aren't that rare. Abundant in mines around the world, rare earths are used in many high-tech products, including visual displays, batteries, super conductors, and computer hard drives. But while they aren't necessarily tricky to find, the elements ...


Simultaneous design and nanomanufacturing speeds up fabrication


Design and nanomanufacturing have collided inside of a Northwestern University laboratory. An interdisciplinary team of researchers has used mathematics and machine learning to design an optimal material for light management in solar cells, then fabricated the nanostructured surfaces ...


Tiny particles increase in air with ethanol-to-gasoline switch


The concentration of ultrafine particles less than 50 nanometers in diameter rose by one-third in the air of São Paulo, Brazil, when higher ethanol prices induced drivers to switch from ethanol to gasoline, according to a new study by a Northwestern University chemist, a National University of ...


Targeting PFOA threat to drinking water


A highly toxic water pollutant, known as perfluorooctanoic acid (PFOA), last year caused a number of U.S. communities to close their drinking water supplies. Because of its historical use in Teflon production and other industrial processes as well as its environmental persistence, PFOA ...


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Mystery of colloidal chains solved


When Northwestern Engineering's Erik Luijten met Zbigniew Rozynek, they immediately became united by a mystery. Presenting at a conference in Norway, Rozynek, a researcher at Adam Mickiewicz University in Poznan, Poland, demonstrated something that looked almost like magic. When he poked a ...


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New method for 3-D printing extraterrestrial materials


When humans begin to colonize the moon and Mars, they will need to be able to make everything from small tools to large buildings using the limited surrounding resources. Northwestern University's Ramille Shah and her Tissue Engineering and Additive Manufacturing (TEAM) Laboratory have ...


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