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Category: biotech/medical – Page 2646

This is wild: a team of Israeli scientists developed a contraption that uses a person’s brain waves to remotely control DNA-based nanorobots — while the nanobots were inside a living cockroach. When prompted by a human thought, the clam shell-like robots opened up, revealing a drug-like molecule that tweaked the physiology of the cockroach’s cells.

Though “merely a demonstration and proof of concept,” the technology represents a new era of brain-nanomachine interfaces that links a person’s mental state to bioactive payloads such as drugs. Future techniques that build upon this prototype could be helpful for schizophrenia, depression or other mental disorders, in that the drugs only activate when a patient’s brain waves show signs of abnormality.

Talk about the power of positive thinking!

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A team of physicists from the US, Germany and Russia have devised a method of detecting blood clotting with the help of a laser beam, RIA Novosti reported, citing an article carried by the latest issue of PLOS ONE scientific journal.

“We have demonstrated how you can detect blood clots using photoacoustic flow-cytometry. We will potentially be able to destroy them right away, but this requires additional research,” Alexander Melerzanov, a senior fellow at Moscow’s Institute of Physics and Technology, told RIA.

Formation of clots in the blood stream is the main cause of strokes and heart attacks. Breaking loose in the bloodstream they can clog arteries often resulting in a patient’s death.

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It has officially been one year since I volunteered to take the first gene therapy to treat biological aging. It has been an amazing year! It began with a great deal of excitement in the weeks leading up to taking the treatment. The excitement of treatment day was followed by months of anticipation before the letdown of not magically reversing visual aging and becoming a 20-year-old biologically again. Even so, the year has been filled with energizing information gleaned from every additional molecular biomarker test that we have done. In this post, I will try to summarize my feelings on several topics as they have evolved throughout the year.

First in Human Use

Being the first person to use any new medical treatment is a complicated endeavor. It is infinitely more complicated when we don’t know the possible outcomes, the perfect dosage, the regimen, or the optimal delivery method. With all of these uncertainties, one is constantly aware that all the excitement and hopes could be squelched in moments. For the same reasons, every small success seems unbelievable, even though they are the results we wanted.

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Our eyes are one of our most complex body parts, made up of numerous delicate cell structures that work together seamlessly to allow us to see. Conditions like far-sightedness, glaucoma, and cataracts are widespread, and it’s no wonder given the fragile nature of the eye’s many components.

In the worst-case scenario, optical cells malfunction to the point of blindness. But a group of scientists at the University of Melbourne in Australia recently took a critical step towards alleviating and even curing a common vision problem. Added to groundbreaking work in other areas, blindness could become an affliction of the past.

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As you relax and let your mind drift aimlessly, you might remember a pleasant vacation, an angry confrontation in traffic or maybe the loss of a loved one.

And now a team of researchers at Duke University say they can see those various emotional states flickering across the human brain.

“It’s getting to be a bit like mind-reading,” said Kevin LaBar, a professor of psychology and neuroscience at Duke. “Earlier studies have shown that functional MRI can identify whether a person is thinking about a face or a house. Our study is the first to show that specific emotions like fear and anger can be decoded from these scans as well.”

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Detailed commentary on the new SENS Research videos about aging and rejuvenation biotechnology.

The SENS Research Foundation has assembled a set of narrated cellular biochemistry animations that serve as an introduction to the various distinct projects that make up the field of rejuvenation biotechnology. The videos outline the forms of cell and tissue damage that are the root cause of aging and age-related disease, as well as the classes of therapy that could, once constructed, either repair that damage or bypass it entirely. Since aging is exactly an accumulation of damage and the consequences of that damage, repair of the damage is the basis for rejuvenation, the reversal and prevention of degenerative aging and all age-related disease. The goal for the near future is to align ever more of the research community and its funding institutions with this goal, and make real progress towards bringing an end to the pain, suffering, and disease of aging.

Introducing SENS — Metabolism, Damage, Pathology

Continue reading “A Visual Introduction to SENS Rejuvenation Research” | >

A look at the concept of Self-Replicating Machines, Universal Assemblers, von Neumann Probes, Grey Goo, and Berserkers. While we will discuss the basic concept and some on-Earth applications like Medical Nanotechnology our focus will be on space exploration and colonization aspects.

Watch More Videos From Isaac Arthur

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Something like this…How can we extend sex appeal?

Gyms and beauty salons are in charge of this question now. There is some success, but it’s mostly superficial. Plastic surgery only masks, but doesn’t delay the processes of aging.

Expanding sex appeal is a complex task. Its aspects include both beauty and the activity of the brain. To be sexually attractive we have to be smart and fun. One cannot solve the problem of dementia with makeup.

We have to be in an excellent physical shape to be sexually attractive, but also things should be running smoothly with our hormonal regulation.

The task of extending the period of sex appeal is extremely science-intensive. It is not only the Viagra, but a complex impact on the whole organism. It is obvious that molecular biology is responsible for sex in the modern world.

Continue reading “Let’s formulate the task of life extension slightly differently” | >