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Category: bioengineering – Page 6

Professor Carlos Duarte, Ph.D. is Distinguished Professor, Marine Science, and Executive Director, Coral Research \& Development Accelerator Platform (CORDAP — https://cordap.org/), Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST — https://www.kaust.edu.sa/en/study/fac…), in Saudi Arabia, as well as Chief Scientist of Oceans2050, OceanUS, and E1Series.

Prior to these roles Professor Duarte was Research Professor with the Spanish National Research Council (CSIC) and Director of the Oceans Institute at The University of Western Australia. He also holds honorary positions at the Arctic Research Center in Aarhus University, Denmark and the Oceans Institute at The University of Western Australia.

Professor Duarte’s research focuses on understanding the effects of global change in marine ecosystems and developing nature-based solutions to global challenges, including climate change, and developing evidence-based strategies to rebuild the abundance of marine life by 2050.

Building on his research showing mangroves, seagrasses and salt-marshes to be globally-relevant carbon sinks, Professor Duarte developed, working with different UN agencies, the concept of Blue Carbon, as a nature-based solution to climate change, which has catalyzed their global conservation and restoration.

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“This is a highly engineered design, but the fundamental concepts are fairly simple,” said Dr. Jie Yin. “And with only a single actuation input, our robot can navigate a complex vertical environment.”

What influence can marine life have on robotics? This is what a recent study published in Science Advances hopes to address as a team of researchers from the University of Virginia and North Carolina State University have developed the fastest swimming soft robot by taking cues from manta ray fins. This study holds the potential to help researchers, engineers, and scientists develop faster and more efficient swimming soft robots that can be used for a variety of purposes worldwide.

This study builds on a 2022 study conducted by this same team of researchers that explored swimming soft robots that exhibited butterfly strokes, achieving a then-record of 3.74 body lengths per second, along with demonstrating high power efficiency, low energy use, and high maneuverability. For this new study, the researchers developed fins used by manta rays with the goal of achieving greater results than before. The fins are flexible when not in use but become rigid when the researchers pumped air into the silicone body that encompasses the soft robot.

In the end, the researchers not only achieved low energy use and maneuverability, but also broke their own record of body lengths per second at 6.8. Additionally, the manta ray-inspired swimming soft robot was able to avoid obstacles, which was an improvement from their 2022 study.

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Researchers at TU Delft have discovered that E. coli bacteria can synchronize their movements, creating order in seemingly random biological systems. By trapping individual bacteria in micro-engineered circular cavities and coupling these cavities through narrow channels, the team observed coordinated bacterial motion. Their findings, which have potential applications in engineering controllable biological oscillator networks, were recently published in Small.

An audience clapping in rhythm, fireflies flashing in unison, or flocks of starlings moving as one—synchronization is a natural phenomenon observed across diverse systems and scales. First described by Christiaan Huygens in the 17th century, synchronization was famously illustrated by the aligned swinging of his pendulum clocks. Now, TU Delft researchers have shown that even E. coli bacteria—single-celled organisms only a few micrometers long—can display this same phenomenon.

“This was a remarkable moment for our team,” said Farbod Alijani, associate professor at the Faculty of Mechanical Engineering. “Seeing bacteria ‘dance in sync’ not only showcases the beauty of nature but also deepens our understanding of the microscopic origins of self-organization among the smallest living organisms.”

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“In vivo measurement of basement membrane stiffness showed that ISCs reside in a more rigid microenvironment at the bottom of the crypt,” the article’s authors wrote. “Three-dimensional and two-dimensional organoid systems combined with bioengineered substrates and a stretching device revealed that PIEZO channels sense extracellular mechanical stimuli to modulate ISC function.”

The paper’s first author is Meryem Baghdadi, PhD, a former researcher at SickKids, and the paper’s senior authors are Tae-Hee Kim, PhD, a senior scientist at SickKids, and Danijela Vignjevic, PhD, a research director at Institut Curie. The study they led expanded on the work of one of the paper’s co-authors, Xi Huang, PhD, a senior scientist at SickKids.

In 2018, Huang found that PIEZO ion channels influence tumor stiffening in brain cancer. Inspired by this research, the collaborators in the current study set out to explore how stem cells in the intestines use PIEZO channels to stay healthy and function properly.

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Thanks to CRISPR, medical specialists will soon have unprecedented control over how they treat and prevent some of the most challenging genetic disorders and diseases.

CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats) is a Nobel Prize-winning gene-editing tool, already widely used by scientists to cut and modify DNA sequences to turn genes on and off or insert new DNA that can correct abnormalities. CRISPR uses an enzyme known as Cas9 to cut and alter DNA.

Engineers at the USC Alfred E. Mann Department of Biomedical Engineering have now developed an update to the tool that will allow CRISPR technology to be even more powerful with the help of focused ultrasound.

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In a new Nature Communications study, scientists have developed a novel method for artificial cells to interact with their external environment without the need for complex modification processes.

This method could open new frontiers in , , and cell processes.

Biological cells are protected by a membrane, made of phospholipids, which modulates interactions with the outside environment. Recreating this in is challenging, requiring manual external modification of the membrane.

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As we explore space outside our solar system, genetic engineering offers hope for overcoming challenges like radiation exposure and the effects of microgravity. By understanding and modifying our genes, we could make astronauts more resilient and improve their health in space. However, these advancements raise important ethical questions about safety, fairness, and long-term impacts, which must be carefully considered as we develop new space travel technologies.

We are on the edge of exploring space outside our solar system. This is not just a major advancement in technology, but a transformation for all of mankind. As we aim for the stars, we also try to understand more about ourselves. Our exploration into space will determine the future of our history. However, this thrilling adventure comes with many challenges. We need to build faster spacecraft, develop ways to live sustainably in space and deal with the physical and mental difficulties of long space missions. Genetics may help us solve some of these problems. As we travel further into space, it will be important to understand how genetics affects our ability to adapt to the space environment. This knowledge will be crucial for the success of space missions and the well-being of astronauts.

Genetics offers a hopeful path to overcoming many challenges in space exploration. As we venture further into space, it becomes essential to understand how our genes affect the way we adapt to the space environment. Genetics affects many aspects of an astronaut’s ability to survive and do well in space. It influences how the body handles exposure to radiation, deals with microgravity, and copes with isolation. Some genetic differences, like changes in the Methylene-TetraHydrofolate-Reductase (MTHR) gene, can make certain people more vulnerable to the harmful effects of radiation in space. With tools like genetic testing and personalized medicine, space agencies can now choose the best-suited astronauts and develop health strategies to improve their safety and performance in harsh space conditions.

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Researchers used machine learning to optimize the process by which a tiny cage is opened to release a molecule.

Researchers have designed a tiny structure that could help deliver drugs inside the body [1]. The theoretical and computational work required machine learning to optimize the parameters for the structure, which could stick to a closed shell containing a small molecule and cause the shell to open. The results demonstrate the potential for machine learning to assist in the development of artificial systems that can perform complex biomolecular processes.

Researchers are developing artificial molecular-scale structures that could perform functions such as drug delivery or gene editing. Creating such artificial systems, however, usually entails a frustrating tradeoff. If the components are simple enough to be computationally tractable, they are unlikely to yield complex interactions. But if the components are too complex, they become harder to combine and coordinate. Machine learning can reduce the computational cost of designing useful artificial systems, according to graduate student Ryan Krueger of Harvard University.

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Oxford University researchers have made a significant step toward realizing a form of “biological electricity” that could be used in a variety of bioengineering and biomedical applications, including communication with living human cells. The work was published on 28 November in the journal Science.

Iontronic devices are one of the most rapidly-growing and exciting areas in biochemical engineering. Instead of using electricity, these mimic the by transmitting information via ions (charged particles), including sodium, potassium, and .

Ultimately, iontronic devices could enable biocompatible, energy-efficient, and highly precise signaling systems, including for drug-delivery.

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Bill Faloon discusses advancements in age reversal therapies and their transition from research to clinical application, emphasizing the potential for delaying and reversing biological aging. He highlights advancements in age reversal, discussing therapies like young plasma, gene editing, yamanaka factors and exosome treatments, emphasizing their potential to reverse aging, improve health, and extend lifespan.

Credits to : Age Reversal Network https://age-reversal.net/

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