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Archive for the ‘biotech/medical’ category: Page 1067

Jan 27, 2022

Scientists regrow frog’s missing leg

Posted by in categories: biotech/medical, wearables

For millions of patients who have lost limbs – for reasons ranging from diabetes to trauma – the possibility of regaining function through natural regeneration remains out of reach. The regrowth of legs and arms remains limited to animals such as salamanders and the realm of science fiction.

However, a new study published in the journal Science Advances, by scientists at Tufts University and Harvard University’s Wyss Institute, has brought us a step closer to the goal of regenerating human limbs.

On adult frogs, which are naturally unable to regenerate limbs, a research team succeeded in triggering regrowth of a lost leg using a five-drug cocktail applied in a silicone wearable bioreactor dome that seals over the stump for just 24 hours. That brief treatment sets in motion an 18-month period of regrowth that eventually restores a functional leg.

Jan 27, 2022

Tesla Shows How Bioweapon Defense Mode Cleans the Cabin Air

Posted by in categories: biotech/medical, military

A standard feature on its Model S, Model X, and Model Ys since 2016.

As Tesla explains in the description accompanying the video, it uses highly efficient particulate air (HEPA) filters in its car models S, X, and Y. The air filtration system removes more than 99 percent of particulates and is something we also saw in some other EV concepts last year.

Continue reading “Tesla Shows How Bioweapon Defense Mode Cleans the Cabin Air” »

Jan 27, 2022

Stem cell platform speeds up drug discovery

Posted by in category: biotech/medical

Physiologically accurate assays help researchers discover and develop new therapies.

Jan 27, 2022

⏩ Artificial Intelligence in 2030: 10 Future Trends

Posted by in categories: biotech/medical, bitcoin, business, finance, robotics/AI

Human like robots for lonely old men.


This video covers 10 artificial intelligence trends that will exist in 2030.
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Jan 26, 2022

Pfizer pushes to intervene in lawsuit seeking COVID vaccine information from FDA

Posted by in categories: biotech/medical, law

Pfizer Inc wants to intervene in a Texas federal lawsuit seeking information from the U.S. Food and Drug Administration used in licensing the company’s COVID-19 vaccine, a litigation move that plaintiffs who are suing for the data say is premature.

Pfizer’s lawyers at DLA Piper told U.S. District Judge Mark Pittman on Jan. 21 it wanted a role in the proceedings to help the FDA avoid “inappropriately” disclosing trade secret and confidential commercial information.


Visit the COVID-19 Information Center for vaccine resources.

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Jan 26, 2022

New microbots can travel to the brain via the nose and deliver treatments

Posted by in categories: biotech/medical, neuroscience

The microbots are applied nasally to treat brain diseases.


Scientists have successfully guided a microbot through the nasal pathways to the brain of a mouse. If the same approach can be replicated in humans, it could be a game-changer against neurodegenerative disease, enabling doctors to deliver therapies directly to the brain.

A research team led by DGIST (the Daegu Gyeongbuk Institute of Science and Technology in South Korea) has created a microrobot propelled by magnets that can navigate the human body. The trial, published in the journal Advanced Materials, describes how they manufactured the microrobot, dubbed a Cellbot, by magnetizing stem cells extracted from the human nasal cavity. The scientists then tested the ability of the Cellbot to move through the body’s confined vessels and passages to reach its target, which it completed with ease.

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Jan 26, 2022

Robot performs first laparoscopic surgery without human help

Posted by in categories: biotech/medical, robotics/AI

A robot has performed laparoscopic surgery on the soft tissue of a pig without the guiding hand of a human—a significant step in robotics toward fully automated surgery on humans. Designed by a team of Johns Hopkins University researchers, the Smart Tissue Autonomous Robot (STAR) is described today in Science Robotics.

“Our findings show that we can automate one of the most intricate and delicate tasks in surgery: the reconnection of two ends of an intestine. The STAR performed the procedure in four animals and it produced significantly better results than humans performing the same procedure,” said senior author Axel Krieger, an assistant professor of mechanical engineering at Johns Hopkins’ Whiting School of Engineering.

The robot excelled at intestinal anastomosis, a procedure that requires a high level of repetitive motion and precision. Connecting two ends of an intestine is arguably the most challenging step in gastrointestinal surgery, requiring a surgeon to suture with high accuracy and consistency. Even the slightest hand tremor or misplaced stitch can result in a leak that could have catastrophic complications for the patient.

Jan 26, 2022

Modifying One Gene Allows Mice to Live 23% Longer

Posted by in categories: biotech/medical, life extension

“The change in life expectancy is significant, when you consider that an equivalent jump in human life expectancy would have us living on average until almost 120,” lead researcher Haim Cohen of Bar-Ilan University told the Times of Israel.

A longer life: The average human life expectancy has doubled in just the past 200 years, thanks in no small part to scientific breakthroughs in medicine, nutrition, and disease.

Jan 26, 2022

‘LUNAR ARK’: Scientists plan to build Noah’s Ark on the Moon to protect Earth’s biodiversity

Posted by in categories: biotech/medical, space, sustainability

A team of researchers from the University of Arizona has proposed a “Lunar Ark” for preserving samples of 6.7 million Earth species in the event of a global crisis.

Be the first to know about the latest updates on COVID-19 pandemic, lockdowns, community quarantine, new normal, and Serbisyong Bayanihan.

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Jan 26, 2022

Human brain signals in record-breaking resolution

Posted by in categories: biotech/medical, neuroscience

Today, the ECoG grids most commonly used in surgeries typically have between 16 and 64 sensors, although research grade grids with up to 256 sensors can be custom made. The device created at UCSD is therefore a major advance in the field. It could improve neurosurgeons’ ability to remove as much of a brain tumour as possible while minimising damage to healthy tissue. In the case of epilepsy, the higher resolution could enable a surgeon to precisely identify the brain regions where seizures are originating, so that these can be removed without touching nearby regions not involved in seizure initiation. In this way, these high-resolution grids may enhance preservation of normal, functioning brain tissue.

ECoG grids with sensors in the thousands could also help in uncovering a deeper understanding of how the brain functions. Basic science advances, in turn, could lead to improved treatments grounded in enhanced understanding of brain function.

The team at UCSD – who collaborated with Massachusetts General Hospital and Oregon Health & Science University – achieved their breakthrough by packing individual sensors significantly closer to each other, while avoiding problematic interference between nearby sensors. The ECoG grids already in clinical use typically have sensors that are spaced one centimetre apart. But the new 1,024-sensor device has sensors just one millimetre apart, with a total grid area measuring three by three centimetres and is scalable to 2,048 sensors.