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Archive for the ‘biotech/medical’ category: Page 1913

Jul 18, 2019

Viewpoint: Why CRISPR-edited crops should be allowed in organic agriculture

Posted by in categories: bioengineering, biotech/medical, food, genetics, health

A University of California, Berkeley professor stands at the front of the room, delivering her invited talk about the potential of genetic engineering. Her audience, full of organic farming advocates, listens uneasily. She notices a man get up from his seat and move toward the front of the room. Confused, the speaker pauses mid-sentence as she watches him bend over, reach for the power cord, and unplug the projector. The room darkens and silence falls. So much for listening to the ideas of others.

Many organic advocates claim that genetically engineered crops are harmful to human health, the environment, and the farmers who work with them. Biotechnology advocates fire back that genetically engineered crops are safe, reduce insecticide use, and allow farmers in developing countries to produce enough food to feed themselves and their families.

Now, sides are being chosen about whether the new gene editing technology, CRISPR, is really just “GMO 2.0” or a helpful new tool to speed up the plant breeding process. In July, the European Union’s Court of Justice ruled that crops made with CRISPR will be classified as genetically engineered. In the United States, meanwhile, the regulatory system is drawing distinctions between genetic engineering and specific uses of genome editing.

Jul 18, 2019

New video from our 2019 Undoing Aging conference: Andrei Gudkov, Professor of Oncology, Sr

Posted by in categories: biotech/medical, life extension

Vice President for Research Technology and Innovation and Chair of the Department of Cell Stress Biology Roswell Park Comprehensive Cancer Center (Buffalo, NY) on systemic DNA damage and anti-aging therapies.

http://undoing-aging.org/videos/andrei-gudkov-presenting-at-…5y-bZmN_uU

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Jul 17, 2019

100-Hour-Long MRI of Human Brain Produces Most Detailed 3D Images Yet

Posted by in categories: biotech/medical, neuroscience

Scientists have produced what looks to be the most detailed magnetic resonance imaging (MRI) scan ever taken of the human brain anatomy, and are sharing their data with the public.

Thanks to an anonymous deceased patient whose brain was donated to science – and a gargantuan 100 hours of scanning with one of the most advanced MRI machines – the world now has an unprecedented view of the structures that make thought itself possible.

In a new study led by neuroimaging scientist Brian L. Edlow from Massachusetts General Hospital, researchers describe how they recorded their ultra-high resolution MRI dataset of the ex vivo specimen, offering a never-before-seen view of the “three-dimensional neuroanatomy of the human brain”.

Jul 17, 2019

Australian Researchers Have Just Released The World’s First AI-Developed Vaccine

Posted by in categories: biotech/medical, information science, robotics/AI, space

A team at Flinders University in South Australia has developed a new vaccine believed to be the first human drug in the world to be completely designed by artificial intelligence (AI).

While drugs have been designed using computers before, this vaccine went one step further being independently created by an AI program called SAM (Search Algorithm for Ligands).

Flinders University Professor Nikolai Petrovsky who led the development told Business Insider Australia its name is derived from what it was tasked to do: search the universe for all conceivable compounds to find a good human drug (also called a ligand).

Jul 17, 2019

Team efficient microchip

Posted by in categories: biotech/medical, computing, health, mobile phones

Researchers at MIT and Texas Instruments have designed a new chip for portable electronics that could be up to 10 times more energy-efficient than present technology. Given its reduced power consumption, the new chip could lead to cell phones, handheld computers, and remote sensors that last far longer when running from a battery.

Indeed, the power required could be so low that implantable medical devices such as pacemakers and health monitors could be powered indefinitely by a person’s body heat or motion—no battery needed.

According to Anantha Chandrakasan, the Joseph F. and Nancy P. Keithley Professor of Electrical Engineering, the key to the improvement in energy efficiency was finding ways to make the circuits on the chip work at a voltage level much lower than usual. While most current chips operate at around 1.0 volt, the new design works at just 0.3 volts.

Jul 17, 2019

Scientists Bring A Severed Brain Back To Life, Sparking Ethical Debate

Posted by in categories: biotech/medical, health

Nothing is impossible … just don’t get queasy when Human bionodes are able to experience the consciousness of other people’s bodies.


NEW HAVEN, Conn. (CBS Local) – Has science gone too far? That’s the question some experts are asking after Yale University researchers announced that they have successfully reanimated a pig’s brain, which had been severed from its body.

Pittsburgh News From KDKA, CBS Channel 2

Continue reading “Scientists Bring A Severed Brain Back To Life, Sparking Ethical Debate” »

Jul 17, 2019

Machine Learning Identifies Potential Anti-Cancer Molecules in Food

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

The internet is rife with myths and articles making dubious claims about certain foods and their anti-cancer properties. We have all seen the articles of questionable scientific merit gracing social media suggesting that such-and-such foods can cure cancer, the majority of which are highly questionable. A new study offers a unique kind of insight into the potential true effectiveness of food in fighting cancer [1].

Investigating molecules in food with machine learning

There is no doubt that there are many foods that contain a myriad of active molecules, and perhaps some of these food myths may have a grain of truth to them. A team of researchers decided to do some real myth-busting and put a variety of bioactive molecules found in foods to the test to see if they might potentially help to combat cancer.

Jul 17, 2019

Towards reconstructing intelligible speech from the human auditory cortex

Posted by in categories: biotech/medical, cyborgs, information science, robotics/AI

Auditory stimulus reconstruction is a technique that finds the best approximation of the acoustic stimulus from the population of evoked neural activity. Reconstructing speech from the human auditory cortex creates the possibility of a speech neuroprosthetic to establish a direct communication with the brain and has been shown to be possible in both overt and covert conditions. However, the low quality of the reconstructed speech has severely limited the utility of this method for brain-computer interface (BCI) applications. To advance the state-of-the-art in speech neuroprosthesis, we combined the recent advances in deep learning with the latest innovations in speech synthesis technologies to reconstruct closed-set intelligible speech from the human auditory cortex. We investigated the dependence of reconstruction accuracy on linear and nonlinear (deep neural network) regression methods and the acoustic representation that is used as the target of reconstruction, including auditory spectrogram and speech synthesis parameters. In addition, we compared the reconstruction accuracy from low and high neural frequency ranges. Our results show that a deep neural network model that directly estimates the parameters of a speech synthesizer from all neural frequencies achieves the highest subjective and objective scores on a digit recognition task, improving the intelligibility by 65% over the baseline method which used linear regression to reconstruct the auditory spectrogram. These results demonstrate the efficacy of deep learning and speech synthesis algorithms for designing the next generation of speech BCI systems, which not only can restore communications for paralyzed patients but also have the potential to transform human-computer interaction technologies.

Jul 17, 2019

CRISPR breakthrough treats diseases like diabetes without cutting DNA

Posted by in categories: biotech/medical, innovation

CRISPR-Cas9 shows incredible promise, but the long term effects of cutting DNA in living organisms isn’t known. Now scientists from the Salk Institute have modified it to work without cutting, switching targeted genes on and off instead, and used it to treat diabetes and muscular dystrophy in mice.

Jul 17, 2019

Scientists Have Discovered a New Stem Cell That Could Heal Brain Damage

Posted by in categories: biotech/medical, neuroscience

A newly discovered type of stem cell could help brains repair themselves from injury or even debilitating diseases like Alzheimer’s, according to the latest research.

Called the “G2 quiescent stem cell”, it’s one of several ‘sleeping’ (or quiescent) stem cells in the brain.

But this one is showing more potential for regeneration than the others have so far. Like other stem cells, it can produce cells of all different types on demand – whatever the body needs.