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Archive for the ‘bioprinting’ category: Page 2

Feb 10, 2021

Israeli Farm Cultivates Lab-Grown Ribeye Steak Using 3D Printing

Posted by in categories: bioprinting, food, sustainability

Three-dimensional “bio-printing” and real cow cells — an achievement that’s prompting the Israeli startup to eye other meat…The firm’s technology prints living cells that are incubated to grow, differentiate and interact to acquire the texture and qualities of a real steak. “It incorporates muscle and fat similar to its slaughtered counterpart,” Aleph Farms said, adding that the product boasts the same attributes “of a delicious tender, juicy ribeye steak you’d buy from the butcher.”

Jan 25, 2021

Scientists use a novel ink to 3D print bone with living cells

Posted by in categories: 3D printing, bioprinting, biotech/medical, chemistry

Scientists from UNSW Sydney have developed a ceramic-based ink that may allow surgeons in the future to 3D-print bone parts complete with living cells that could be used to repair damaged bone tissue.

Using a 3D-printer that deploys a special ink made up of calcium phosphate, the scientists developed a new technique, known as ceramic omnidirectional bioprinting in cell-suspensions (COBICS), enabling them to print -like structures that harden in a matter of minutes when placed in water.

While the idea of 3D-printing bone-mimicking structures is not new, this is the first time such material can be created at room temperature—complete with living cells—and without harsh chemicals or radiation, says Dr. Iman Roohani from UNSW’s School of Chemistry.

Dec 16, 2020

Researchers develop new method to print tiny, functional organs

Posted by in categories: bioengineering, bioprinting, biotech/medical, neuroscience

Researchers at EPFL have developed an approach to print tiny tissues that look and function almost like their full-sized counterpart. Measuring just a few centimeters across, the mini-tissues could allow scientists to study biological processes—and even test new treatment approaches—in ways that were previously not possible.

For years, mini versions of organs such as the brain, kidney and lung—known as “organoids”—have been grown from . Organoids promise to cut down on the need for and offer better models to study how human organs form and how that process goes awry in disease. However, conventional approaches to grow organoids result in stem cells assembling into micro-to millimeter-sized, hollow spheres. “That is non-physiological, because many organs, such as the intestine or the airway, are tube-shaped and much larger,” says Matthias Lütolf, a professor at EPFL’s Institute of Bioengineering, who led the study published today in Nature Materials.

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Dec 10, 2020

Dr. Yu Shrike Zhang — Symbiotic Tissue Engineering — Harvard Medical School

Posted by in categories: bioengineering, bioprinting, biotech/medical, chemistry, nanotechnology

Dr yu shrike zhang phd is assistant professor at harvard medical school and associate bioengineer at brigham and women’s hospital.

Dr. Zhang’s research interests include symbiotic tissue engineering, 3D bio-printing, organ-on-a-chip technology, biomaterials, regenerative engineering, bioanalysis, nanomedicine, and biology.

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Nov 20, 2020

Hybrid 3D-printing bioinks help repair damaged knee cartilage

Posted by in categories: 3D printing, bioprinting, biotech/medical, life extension

This may be good news for those who have damaged joints due to sports or old age.

😃


Human knees are notoriously vulnerable to injury or wearing out with age, often culminating in the need for surgery. Now researchers have created new hybrid bioinks that can be used to 3D print structures to replace damaged cartilage in the knee.

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Oct 18, 2020

Volumetric Bioprinting Sculpts Complex Shapes in Seconds

Posted by in category: bioprinting

Bioprinting of living tissues.


Living tissues can now be bioprinted in seconds 😱.

Sep 14, 2020

Ultra-fast 3D bioprinter makes body parts in a flash

Posted by in categories: 3D printing, bioprinting, biotech/medical

Volumetric Bioprinting


Recreating human body parts using a 3D printer. This is possible in the Netherlands with the new bioprinter developed by Utrecht University and UMC Utrecht. This printer can be used to make models of organs or bones, amongst other things. These printed models can be made up of living cells on which medication can be tested, for instance.

Conventional 3D printers work by stacking plastic layers on top of each other. This build-up of layers creates a three-dimensional figure. There are already countless possibilities with these standard 3D printers. Science has been looking for years at how this technique can be applied across different areas.

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Sep 11, 2020

Cryogenic 3D Printing Improves Bioprinting for Bone Regeneration

Posted by in categories: 3D printing, bioengineering, bioprinting, nanotechnology

Researchers from China continue in the quest to improve methods for bone regeneration, publishing their findings in “Cryogenic 3D printing of dual-delivery scaffolds for improved bone regeneration with enhanced vascularization.”

A wide range of projects have emerged regarding new techniques for bone regeneration—especially in the last five years as 3D printing has become more entrenched in the mainstream and bioprinting has continued to evolve. Bone regeneration is consistently challenging, and while bioprinting is still relatively new as a field, much impressive progress has been made due to experimentation with new materials, nanotubes, and innovative structures.

Cell viability is usually the biggest problem. Tissue engineering, while becoming much more successful these days, is still an extremely delicate process as cells must not only be grown but sustained in the lab too. For this reason, scientists are always working to improve structures like scaffolds, as they are responsible in most cases for supporting the cells being printed. In this study, the authors emphasize the need for both “excellent osteogenesis and vascularization” in bone regeneration.

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Aug 28, 2020

Robot Skin 3D Printer Close to First-in-Human Clinical Trials

Posted by in categories: 3D printing, bioprinting, biotech/medical, government, health, robotics/AI

In just two years a robotic device that prints a patient’s own skin cells directly onto a burn or wound could have its first-in-human clinical trials. The 3D bioprinting system for intraoperative skin regeneration developed by Australian biotech start-up Inventia Life Science has gained new momentum thanks to major investments from the Australian government and two powerful new partners, world-renowned burns expert Fiona Wood and leading bioprinting researcher Gordon Wallace.

Codenamed Ligō from the Latin “to bind”, the system is expected to revolutionize wound repairs by delivering multiple cell types and biomaterials rapidly and precisely, creating a new layer of skin where it has been damaged. The novel system is slated to replace current wound healing methods that simply attempt to repair the skin, and is being developed by Inventia Skin, a subsidiary of Inventia Life Science.

“When we started Inventia Life Science, our vision was to create a technology platform with the potential to bring enormous benefit to human health. We are pleased to see how fast that vision is progressing alongside our fantastic collaborators. This Federal Government support will definitely help us accelerate even faster,” said Dr. Julio Ribeiro, CEO, and co-founder of Inventia.

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Jul 27, 2020

A Possible Weapon Against the Pandemic: Printing Human Tissue

Posted by in categories: bioprinting, biotech/medical

Bioprinting could be used for testing potential treatments for Covid-19, cancer and other diseases.


Bioprinting’s importance for pharmaceutical analysis is paramount now, not only for potential Covid-19 treatments, but also for testing treatments for cancer and other diseases. Dr. Atala says that the organoids allow researchers to analyze a drug’s impact on an organ “without the noise” of an individual’s metabolism.

He cited Rezulin, a popular diabetes drug recalled in 2000 after there was evidence of liver failure. His lab tested an archived version of the drug, and Dr. Atala said that within two weeks, the liver toxicity became apparent. What accounts for the difference? An organoid replicates an organ in its purest form and offers data points that might not occur in clinical trials, he said, adding that the testing is additive to, rather than in lieu of, clinical trials.

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