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Leveraging 3D printing to make the meat appear more appetizing.

A biotech startup in China recently showcased its lab-grown pork and is aiming for cost-parity with conventionally sourced pork by 2,025 Reuters reported.

Amidst growing concerns of emissions resulting from meat production, countries are looking for protein alternates that can feed their population while also being eco-friendly. Plant-based meats have been around for a while but need further development to stand in as replacements to animal meats. Cultured or lab-grown meats are sourced from animal cells and show a high resemblance to conventional meat but lack production at scale and are expensive to manufacture, making it difficult for consumers to switch. 3D printing to make the meat appear more appetizing.

https://youtube.com/watch?v=yiUUZxp7bLQ

The volatile nature of space rocket engines means that many early prototypes end up embedded in dirt banks or decorating the tops of any trees that are unfortunate enough to neighbor testing sites. Unintended explosions are in fact so common that rocket scientists have come up with a euphemism for when it happens: rapid unscheduled disassembly, or RUD for short.

Every time a rocket engine blows up, the source of the failure needs to be found so that it can be fixed. A new and improved engine is then designed, manufactured, shipped to the test site and fired, and the cycle begins again — until the only disassembly taking place is of the slow, scheduled kind. Perfecting rocket engines in this way is one of the main sources of developmental delays in what is a rapidly expanding space industry.

Continue reading “3D-printed rocket engines: The technology driving the private sector space race” »

What do you think Chris Smedley.

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Even though it’s now possible to 3D-print foods into millimeter-precise shapes and forms, cooking those printed foods is still a fairly inexact process. Scientists are trying to change that, by using lasers to cook foods to specific optimized standards.

Led by PhD student Jonathan Blutinger, a team at Columbia University started by pureeing raw chicken then extruding it through the nozzle of a 3D food printer, creating samples measuring 3 mm thick by about one square inch (645 sq mm) in area. They then precisely heated that chicken via pulses of either blue or near-infrared laser light, at wavelengths of 445 nanometers for the former and either 980 nanometers or 10.6 micrometers for the latter.

Continue reading “Lasers could bring the precision of 3D printing to the cooking of food” »

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A team of researchers from Texas A&M University’s Department of Biomedical Engineering has designed and 3D bioprinted a highly realistic model of a blood vessel.

The model is made of a newly nanoengineered, purpose-built hydrogel bioink and closely mimics the natural vascular function of a real blood vessel, as well as its disease response. The team hopes its work can pave the way for advanced cardiovascular drug development, expediting treatment approval while eliminating the need for animal and human testing altogether.

“A remarkably unique characteristic of this nanoengineered bioink is that regardless of cell density, it demonstrates a high printability and ability to protect encapsulated cells against high shear forces in the bioprinting process,” said Akhilesh Gaharwar, associate professor at the university and co-author of the study. “Remarkably, 3D bioprinted cells maintain a healthy phenotype and remain viable for nearly one month post-fabrication.”

Whole new chip fabs will be required to keep up with growing industry demand. But to attack the current shortage, debottlenecking existing processes is critical. Additive manufacturing offers one set of solutions.

Wagyu, but better for the environment.

Researchers at Lund University have designed a new bioink which allows small human-sized airways to be 3D-bioprinted with the help of patient cells for the first time. The 3D-printed constructs are biocompatible and support new blood vessel growth into the transplanted material. This is an important first step towards 3D-printing organs.

Therefore, researchers are looking at ways to increase the amount of lungs available for transplantation. One approach is fabricating lungs in the lab by combining cells with a bioengineered scaffold.