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Category: biotech/medical – Page 527

Feizi and his coauthors looked at how easy it is for bad actors to evade watermarking attempts. (He calls it “washing out” the watermark.) In addition to demonstrating how attackers might remove watermarks, the study shows how it’s possible to add watermarks to human-generated images, triggering false positives. Released online this week, the preprint paper has yet to be peer-reviewed, but Feizi has been a leading figure in AI detection, so it’s worth paying attention to, even at this early stage.

It’s timely research. Watermarking has emerged as one of the more promising strategies to identify AI-generated images and text. Just as physical watermarks are embedded on paper money and stamps to prove authenticity, digital watermarks are meant to trace the origins of images and text online, helping people spot deepfaked videos and bot-authored books. With the US presidential elections on the horizon in 2024, concerns over manipulated media are high—and some people are already getting fooled. Former US president Donald Trump, for instance, shared a fake video of Anderson Cooper on his Truth Social platform; Cooper’s voice had been AI-cloned.

This summer, OpenAI, Alphabet, Meta, Amazon, and several other major AI players pledged to develop watermarking technology to combat misinformation. In late August, Google’s DeepMind released a beta version of its new watermarking tool, SynthID. The hope is that these tools will flag AI content as it’s being generated, in the same way that physical watermarking authenticates dollars as they’re being printed.

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According to this information covid 19 sars is a chimeric virus that evolves with other genetic material which gives us clues for a proper antidote. Also it shows why it is so dangerous.

Ben Hu denies he was sick in late 2019, or that his coronavirus work led to COVID-19, and newly declassified U.S. intelligence doesn’t substantiate allegations against him.

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A study finds a material that is 120 times faster than similar ones, demonstrating its precision in remotely stimulating neurons and repairing severed sciatic nerves in rats.

A new study is paving the way for alternative approaches to treating brain and nerve problems gently without the need for major surgery by introducing a magnetoelectric material.

Despite challenges such as nerve cells not responding well to the signals made by these materials, Researchers wanted to find a way to make these signals easier for our nerves to understand.

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It can be used in the development of vaccines and treatments.

Now, scientists at Harvard Medical School and the University of Oxford have produced an AI tool that can achieve that called EVEscape.

What if we could predict virus mutations before they actually took place? We could prepare for their arrival and perhaps even conceive of vaccines in time to protect populations.

This is according to a press release by the institutions published on Wednesday.

Continue reading “This AI tool can predict virus mutations before they occur” | >

The vast set of information has been detailed in a series of 21 papers.

The majority of our actions are initiated by the brain, which plays a pivotal role in processing sensory information, making decisions, coordinating movements, and regulating bodily functions.

Overall, the human brain is an incredibly complex organ. It contains over 86 billion neurons – perhaps around the number of stars in the Milky Way galaxy.

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Separating molecules is critical to producing many essential products. For example, in petroleum refining, the hydrocarbons—chemical compounds composed of hydrogens and carbons—in crude oil are separated into gasoline, diesel and lubricants by sorting them based on their molecular size, shape and weight. In the pharmaceutical industry, the active ingredients in medications are purified by separating drug molecules from the enzymes, solutions and other components used to make them.

These separation processes take a substantial amount of energy, accounting for roughly half of U.S. industrial energy use. Traditionally, molecular separations have relied on methods that require intensive heating and cooling that make them very energy inefficient.

We are chemical and biological engineers. In our newly published research in Science, we designed a new type of membrane with nanopores that can quickly and precisely separate a diverse range of molecules under harsh industrial conditions.

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Spina bifida is the most common birth defect of the central nervous system and the second most common of all structural birth defects. To learn more about it, From the Labs sat with Dr. Richard H. Finnell, whose lab at Baylor College of Medicine focuses on discovering the role of folic acid in the prevention of birth defects and in identifying the genes that determine susceptibility to human neural tube defects such as spina bifida.

FTL: What is spina bifida?

RHF: Spina bifida is a condition that occurs during very early development affecting the neural tube, which will give rise to the spinal cord and brain. It can be diagnosed during pregnancy or after the baby is born. Typically, the neural tube closes by the 28th day after conception. In babies with spina bifida, a portion of the neural tube doesn’t close properly, resulting in a malformed spinal cord and problems in the bones of the spine. The neural tube exposed to amniotic fluid results in bladder and bowel dysfunction and in orthopedic problems that limit the child’s ability to walk.

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In a breakthrough in cancer therapeutics, a team of researchers at the Magzoub Biophysics Lab at NYU Abu Dhabi (NYUAD) has made a significant advance in light-based therapies—biocompatible and biodegradable tumor-targeting nanospheres that combine tumor detection and monitoring with potent, light-triggered cancer therapy to dramatically increase the efficacy of existing light-based approaches.

Non-invasive, light-based therapies, (PDT) and (PTT) have the potential to be safe and effective alternatives to conventional treatments, which are beset by a number of issues, including a range of side-effects and post-treatment complications.

However, to date, the development of effective light-based technologies for cancer has been hindered by poor solubility, low stability, and lack of specificity, among other challenges. Nanocarriers designed to deliver PDT and PTT more effectively have also proven to have significant limitations.

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Sarilumab„ allowed for more-rapid tapering of prednisone in a randomized trial.

When patients with polymyalgia rheumatica (PMR) have recurrent symptoms repeatedly during tapering of steroids, rheumatologists sometimes add agents such as methotrexate to decrease cumulative steroid exposure. Sarilumab (Kevzara; an interleukin-6 receptor antagonist) recently was FDA-approved in the U.S. for this purpose, based on results of this clinical trial.

Researchers identified 118 patients with PMR who had received at least 8 weeks of prednisone (≥10 mg daily) during their treatment course and had at least one symptom flare while taking ≥7.5 mg daily. Patients were randomized to receive either sarilumab, injected twice monthly for 1 year, while tapering prednisone over 14 weeks, or placebo, while tapering prednisone over 1 year. The protocol allowed for steroid “rescue” therapy if symptoms flared.

Sustained remission between weeks 12 and 52 occurred significantly more often in the sarilumab group than in the placebo group (28% vs. 10%). At 52 weeks, patients in the sarilumab group were significantly more likely to be asymptomatic and to have received no rescue therapy (45% vs. 14%). Median cumulative prednisone exposure was much lower in the sarilumab group (777 mg vs. 2044 mg). Neutropenia, diarrhea, and arthralgia occurred more commonly with sarilumab than with placebo. No deaths occurred during the trial.

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