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Test tube beef steak

11.11.2022

Scientists have grown a juicy steak from a cow's cage to cook it later

Scientists at Newcastle University subsidiary 3D Bio-Tissues (3DBT) have been working on creating the test tube steak. In the course of the study, scientists were able to grow three small prototype steaks that are in no way inferior to natural ones in appearance and smell, without using vegetable substitutes and without exterminating cows.

According to 3DBT Executive Director Che Connon, he and his team are very pleased with the results - the pieces of the grown fillet not only match the outwardly good juicy steak, but also have the necessary smell and characteristic crust during the preparation of meat.

To create their innovative development, scientists used the cells of living cows - the biomaterial is taken using a painless biopsy. As a result, scientists consider the fact that not a single cow was harmed during the study to be another achievement of theirs.

The cells are then placed in a special bioreactor and the chemical growth agent City-Mix is ​​added to them. In this way, the number of cells can be increased. As soon as the number of cells reaches a certain volume, the prototype begins to resemble a real steak. According to Connon, the result exceeded all scientists' expectations in terms of integrity, aroma, texture and more.

British scientists hope that their test-tube steaks will soon be found on store shelves. They hope to produce the first large fillet prototype only in 6-8 months, and in 2023 they plan to launch the steaks into mass production.

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Stable nanographene magnet developed 22.11.2021

Researchers have synthesized for the first time a crystalline nanographene with magnetic properties that were theoretically predicted more than 70 years ago.

Since 2004, when graphene was produced in the lab, scientists have begun to study its impressive characteristics, including the unique magnetic and electronic properties of its zigzag edges. However, earlier, due to the complexity of studying these structures, the study and application of their features was practically impossible.

Now a team from Osaka University has been able to solve this problem with a simplified model system of a crystalline triangulene. To prevent polymerization of the material, Japanese scientists increased the volume of its molecules without losing its basic properties.

The resulting graphene was stable at room temperature, allowing them to study its optical and magnetic properties. As a result, scientists were able to confirm the presence in this form at the zigzag edges of unpaired electrons, which determine the triplet state of the molecules.

Despite the stability of the material, it must be stored in an inert atmosphere, as it is prone to gradual decomposition under the influence of oxygen.

Further, the specialists plan to improve the synthesis technology to start the production of magnetic nanographene. In the future, silicon-based materials may replace silicon in electronic devices.

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