A research team led by Professor Yossi Paltiel of the Hebrew University of Jerusalem and a research team from Weizmann and IST in Austria recently conducted a study that revealed the significant impact of nuclear spin on biological activities. The discovery challenges long-held assumptions and opens exciting possibilities for advances in biotechnology and quantum biology.

Researchers have discovered a significant impact of nuclear spin on biological processes, particularly oxygen dynamics in chiral environments. This breakthrough will revolutionize biotechnology, quantum biology, isotope separation and nuclear magnetic resonance technology. Source: Proceedings of the National Academy of Sciences

Scientists have long believed that nuclear spin has no effect on biological processes. However, recent research has shown that certain isotopes behave differently depending on their nuclear spin. The research team focused on stable oxygen isotopes (16O, 17O, 18O) and found that nuclear spin has a significant impact on the dynamics of oxygen in chiral environments, especially during oxygen transport.

Professor Yossi Paltiel of Hebrew University. Source: Hebrew University of Jerusalem

The findings, published in the prestigious Proceedings of the National Academy of Sciences (PNAS), have potential implications for controlled isotope separation and could revolutionize nuclear magnetic resonance (NMR) technology.

Lead researcher Professor Yossi Paltiel expressed excitement about the implications of these findings. He said: "Our study shows that nuclear spin plays a crucial role in biological processes, suggesting that manipulating nuclear spin could lead to breakthrough applications in biotechnology and quantum biology. This has the potential to revolutionize the isotope fractionation process and bring new possibilities to areas such as nuclear magnetic resonance."

Researchers have been studying the "strange" behavior of tiny particles in living things. For example, studying quantum effects in bird navigation may help some birds find their way on long journeys. In plants, the efficient use of sunlight for energy is subject to quantum effects.

This connection between the world of tiny particles and living things likely goes back billions of years, when life began to emerge and molecules with special shapes known as chirality were born. Chirality is important because only molecules with the correct shape can do the jobs they need to do in living organisms.

The link between chirality and quantum mechanics is found in "spin," which acts like a tiny form of magnetism. Chiral molecules can interact with particles differently depending on their spin, which is called "chirality-induced spin selectivity" (CISS).

Scientists have discovered that spin affects tiny particles such as electrons in life processes involving chiral molecules. They wanted to study whether spin also affects larger particles, such as ions and molecules, which are the basis of biological transport. So they conducted experiments using water particles with different spins. The results show that spin affects how water behaves in cells, with water entering cells at different speeds and reacting in unique ways when chiral molecules are involved.

This study highlights the importance of spin in life processes. Understanding and controlling spin could have major implications for how living things work. It may also help improve medical imaging and create new ways to treat disease.