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Nanomaterials

In lockstep: Nacre’s microstructure locks together to provide superior material strength

By April Gocha / November 12, 2019

Using electron microscopy, a team of scientists investigated the nanomechanics of nacre—and their results show precisely how this biomaterial gains superior strength upon lockdown.

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Porous silica nanoparticles offer potential solution to combat counterfeiting

By April Gocha / October 29, 2019

In today’s world of global commerce, product identity is a significant issue with considerable economic repercussions. TruTag Technologies is developing porous silica nanoparticles that use unique spectral signatures to authenticate goods.

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Repair tooth enamel by growing it

By Lisa McDonald / October 18, 2019

Enamel is the hardest tissue in the body—but it cannot self-repair when damaged. Due to its complex structure, creating enamel in the laboratory is difficult, but a new technique proposed by researchers in China may make growing enamel a reality.

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Video: Celebrate National Nano Day with 100 billion nanometer dash

By Lisa McDonald / October 9, 2019

October 9 is National Nanotechnology Day! Learn about the National Nanotechnology Initiative, a federal research and development initiative to further nanotechnology, and see how different organizations are celebrating Nano Day.

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Keeping the beat—carbon nanotube fibers show promise to restore electrical conduction in damaged hearts

By April Gocha / October 1, 2019

Scientists at Rice University and Texas Heart Institute developed the first materials-based solution to repair electrical conduction defects in hearts—surgically sewing carbon nanotube fibers directly onto hearts to transmit electrical signals across damaged tissue.

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Bite begone! GO-lined clothing offers chemical-free approach to mosquito bite prevention

By Lisa McDonald / September 24, 2019

Mosquitos spread infectious diseases, so scientists are searching for ways to stop them from biting humans. Researchers at Brown University discovered fabric containing graphene oxide films acts as both a physical and chemical barrier against mosquito bites.

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PLA processing strikes again: Wafer-scale graphene devices created at room temperature

By Lisa McDonald / September 20, 2019

To advance carbon-based technologies, simpler techniques to process carbon materials are needed. Researchers at North Carolina State University actively investigate pulsed laser annealing for this purpose and recently discovered the technique can create reduced graphene oxide.

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Get inked with ceramics—or maybe not

By Lisa McDonald / September 6, 2019

Titanium dioxide is the second most common pigment used in tattoo inks. Yet researchers of two studies warn nano-TiO2 could travel to your lymph nodes—and bring metal particles from the needle along with it.

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“Spring” cleanup: Carbon nanosprings break down marine microplastic pollution

By Lisa McDonald / August 20, 2019

Microplastic pollution is a threat to marine ecosystems. A research collaboration between several Australian and Chinese universities created carbon nanosprings that can break down microplastics into compounds that dissolve harmlessly in water.

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Not so tough now: h-BN more amenable to bonding after reduction reaction

By Lisa McDonald / August 16, 2019

Hexagonal boron nitride (h-BN) has many excellent properties but does not bond well with other elements. Chemists at Rice University found a particular reduction reaction allows h-BN to bond readily with carbon chains.

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