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Biomaterials

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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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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Frank inspiration: Hot dogs inspire 3D-printed bioceramic structure to repair bone

By April Gocha / October 8, 2019

An international team of scientists developed a unique 3D printing process to fabricate bioceramic structures—reminiscent of hot dogs—that frankly could be a fantastic solution to repair large bone defects.

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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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Achieving full density—a look at factors hindering densification of bioglass scaffolds

By Jonathon Foreman / September 17, 2019

Most bioglasses, especially the popular 45S5, form weak scaffolds prone to cracking because they do not sinter to full density. Researchers looked to understand the factors hindering densification.

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No bones about it—clay-enhanced hydrogel shows promise for treating bone defects

By Lisa McDonald / September 13, 2019

For hydrogels to promote tissue formation, they must be suitably porous to allow transplanted cells to move around. Researchers from the University of California, Los Angeles, created clay-enhanced hydrogels to increase pore size.

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Nanoscale bottles protect fatty acid payloads

By Lisa McDonald / August 23, 2019

Fatty acids, although biodegradable and biocompatible, experience poor dispersibility and stability under physiological conditions, hindering their application as drug-carrying materials. Researchers at Georgia Tech and Shandong University created silica-based nanocapsules that safely carry drug-containing fatty acids to a targeted destination.

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Combined GFMAT/Bio meeting sees successful turnout in Toronto

By Lisa McDonald / July 26, 2019

More than 360 people from 31 countries traveled to Toronto to attend GFMAT-2 and Bio-4 on July 21–26. This year marks the first time the two conferences were held jointly.

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Additive manufacturing offers fast and simple way to fabricate bioactive glass-ceramics

By Jonathon Foreman / May 17, 2019

An international team of researchers found they could use 3D printing to create Biosilicate® glass-ceramic scaffolds. This method offers low-cost fabrication of bioactive glass-ceramics for biomedical applications.

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Video: Create nacre in the lab—and maybe on the moon!

By Lisa McDonald / May 8, 2019

An international team of researchers developed a cost-effective and environmentally friendly method for creating nacre, which could be used in a wide range of applications, from biomedical implants to moon habitats.

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