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‘Nayanthara: Beyond the Fairytale’: The Netflix docu promises to offer a never-seen-before glimpse into the star’s life

The documentary features accounts from friends and colleagues, including Rana Daggubatti, Taapsee Pannu, and Nagarjuna Akkineni




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Open World Dress Up Game ‘Infinity Nikki’ Gets New Trailer With Closed Beta Sign Ups Now Live, Pre-Registrations Also Available

Another mobile reveal from Gamescom Opening Night Live 2024 was the latest trailer for the open world dress up game …





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‘Genshin Impact’ Version 5.0 Update Is Now Available Worldwide on iOS, Android, PC, PS5, and More

Following pre-installation going live earlier in the week, HoYoverse has just released the major Genshin Impact (Free) version 5.0 “Flowers …





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Andrew Hulshult 2024 Interview: DOOM IDKFA, Blood Swamps, DUSK, Iron Lung, AMID EVIL, Music, Guitars, Cold Brew Coffee, and More

When I first wrote about boomer shooters last year on Steam Deck and also on Switch, aside from New Blood …




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President-elect Trump announced a "Department of Government Efficiency," or DOGE, that will be led by Tesla CEO Elon Musk and entrepreneur Vivek Ramaswamy, focused on shrinking the federal government.




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Innovation Works opens grant application for hardware startups

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The Google Pixel 8a drops to $399 ahead of Black Friday

If you're looking for an excellent midrange smartphone for yourself or a loved one among all the early Black Friday deals, your search may be over. Google's Pixel 8a is on sale. It has dropped by $100 to $399.

That's not quite the lowest price we've seen for the handset. It fell to $380 at one point. But this is still a good deal if you're looking for a great phone that won't break the bank. This price is for a configuration with 128GB of storage, but 256GB models are also $100 off at $459.

The Pixel 8a is our pick for the best midrange smartphone overall. We gave it a score of 90 in our review.

Thanks to Google's inclusion of the Tensor G3 chip, the Pixel 8a supports many of the same AI features that you'll find on flagship Pixel devices. We feel that the cameras are excellent, while that 6.1-inch 120Hz OLED display sure looks pretty.

The Pixel 8a has great battery life too. It lasted for 20 hours and 29 minutes in our video rundown test, actually beating out the Pixel 8 by 13 minutes. On the downside, wireless charging is pretty slow as it maxes out at 7.5W.

The bezels are a little thicker than you might like too, but otherwise the design is fairly slick. Another plus point is that the Pixel 8a is IP67-rated for dust and water resistance, so it should be somewhat durable.

Check out all of the latest Black Friday and Cyber Monday deals here.

This article originally appeared on Engadget at https://www.engadget.com/deals/the-google-pixel-8a-drops-to-399-ahead-of-black-friday-180827185.html?src=rss




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A four-pack of Apple AirTags drops to a record low of $70 in this Black Friday deal

Black Friday is right around the corner and the deals are already coming in hot. You can pick up a four-pack of Apple AirTags for just $70, as an early Black Friday promotion. This is a discount of 30 percent and represents a record low price.

Apple AirTags easily made our list of the best Bluetooth trackers, particularly for regular iPhone users. We love the vast finding network, which really helps when you misplace a tag. Just think of all of those AirTags, iPhones and other Apple devices out there helping to create this network.

Apple AirTags also offer the ability to tap into the ultra-wideband (UWB) wireless protocol. This creates a sort of game out of finding lost items, as long as the object is within 25 feet of the phone. The screen will display directional arrows and a distance meter so you can zero in on the lost item without having to ring the AirTag.

There are some caveats. These trackers only really work with iPhones, so Android users should buy something else. Also, the ringer only goes for seven seconds at a time, which isn’t always enough time to track something down. Finally, there’s no attachment point for connecting to a keychain or a related item. However, there are plenty of good AirTag accessories to solve that problem.

Check out all of the latest Black Friday and Cyber Monday deals here.

This article originally appeared on Engadget at https://www.engadget.com/deals/a-four-pack-of-apple-airtags-drops-to-a-record-low-of-70-in-this-black-friday-deal-191040686.html?src=rss




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Shell wins appeal in Dutch court after three-year battle against green groups

Climate activists won against Shell in 2021 when a Dutch court commanded the oil giant to reduce its carbon emissions by 45 percent by the end of 2030. Three years later, Shell managed to win its appeal against this ruling. In the court's view, Shell doesn’t have a “social standard of care” to curtail emissions, the BBC reports.

The 2021 ruling was noteworthy, as it was the first time a court made a private company obey the 2015 Paris Agreement in addition to Dutch law. However, the appeals court judge said that while Shell had an obligation to reduce emissions, a 45 percent cut could not be established as there is no universally accepted amount. Shell’s statement says it’s planning to reduce its products’ carbon intensity by a comparatively paltry 15 to 20 percent by 2030 compared to a 2016 baseline.

The 2021 ruling would only be effective in the Netherlands as well. Shell wouldn’t have been legally obligated to follow the lower court's ruling for its operations outside Dutch territory. Now even that small gain is off the table for now.

The activists, who are largely associated with Milieudefensie (the Dutch branch of Friends of the Earth), issued a statement promising to continue the fight against climate change. “Large polluters are powerful. But united, we as people have the power to change them,” said Donald Pols, Director of Milieudefensie. They’re now trying to take the case to the Supreme Court, but getting a final verdict will likely take years.

This article originally appeared on Engadget at https://www.engadget.com/science/shell-wins-appeal-in-dutch-court-after-three-year-battle-against-green-groups-165543894.html?src=rss




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PS5 exclusive Stellar Blade is coming to PC

This year's action RPG Stellar Blade has been a solid win for Sony as a PlayStation 5 exclusive. Developer Shift Up revealed in a recent quarterly earnings report that sales "have remained steady even as the initial surge has calmed" following its spring launch. But there may be a second boost coming for the game, because the studio is planning a PC port of Stellar Blade some time next year.

"Given recent trends like Steam’s growing presence in the AAA games market and the global success of Black Myth: Wukong, we are expecting the PC version to perform even better than the console version," the Korean company said when asked about their PC plans during the presentation.

The title referenced, Black Myth: Wukong, was able to set a new record for concurrent players in a single-player game on Steam when it launched on the platform in August. That's a lofty goal for any game to reach, so we'll have to see how successful Shift Up can be in reaching an international audience on PC.

This article originally appeared on Engadget at https://www.engadget.com/gaming/ps5-exclusive-stellar-blade-is-coming-to-pc-231625263.html?src=rss




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Cops access ex-model’s file 1400 times

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Europe dispatches Proba-3 satellites to India for December eclipse mission

Paris, France (SPX) Nov 03, 2024
ESA's Proba-3 mission, designed to create a solar eclipse in space, is leaving Europe to head to its Indian launch site. The mission's two spacecraft, designed to align precisely in orbit so one will block the Sun for the other, have departed from Redwire Space's facilities in Kruibeke, Belgium. The pair will be transported to the Satish Dhawan Space Centre near Chennai, India, to prepare for th




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Sueurs froides pour deux Swifties québécoises: leurs billets volés... puis retrouvés à temps pour le concert de Taylor Swift vendredi à Toronto

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Glimpse of the future at Vegas

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Durant tops list of Warrior trade targets

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Le film «Monsieur Aznavour» présenté à Montréal samedi: une première «symbolique» pour le réalisateur Grand Corps Malade

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Shell wins landmark climate case against green groups in Dutch appeal

A court throws out a ruling that the gas and oil giant cut its greenhouse gas emissions.




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The Virus That Causes Mpox Keeps Getting Better at Spreading in People

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Robotic Ankle Helps with Postural Control in Amputees

Researchers at North Carolina State University have developed a robotic prosthetic ankle that can provide stability for lower limb amputees. The ankle uses electromyographic sensors placed on the sites of muscles in the residual limb that then convey the intentions of the wearer with regard to movement. So far, the system has been shown to […]




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FTC Finalizes “Click-to-Cancel” Rule to Make It Easier for Consumers to End Recurring Subscriptions and Memberships

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RPS and pharmacy students' association call for rethink over overseas exam decision

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Government 'miscommunicated' PPE stock levels to pharmacies during first COVID-19 wave, MPs told

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Risk of mortality drops in COVID-19 patients given anticoagulation within a day of hospital admission, research finds

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RPS pays tribute to pharmacy law and ethics pioneer Joy Wingfield

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Lessons From A Private Funding Round: Science, Relationships, And Experience

By Mike Cloonan, CEO of Sionna Therapeutics, as part of the From The Trenches feature of LifeSciVC An insightful piece on this blog following the JPM healthcare conference noted the “refreshing burst of enthusiasm” in the biotech sector. It’s true

The post Lessons From A Private Funding Round: Science, Relationships, And Experience appeared first on LifeSciVC.




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Patrick Dempsey aims to raise awareness of cancer disparities and encourage screening

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The post Tips Rahasia Menang Mudah Main Slot Online Gacor appeared first on Biosimilarnews.




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Apps Put a Psychiatrist in Your Pocket



Nearly every day since she was a child, Alex Leow, a psychiatrist and computer scientist at the University of Illinois Chicago, has played the piano. Some days she plays well, and other days her tempo lags and her fingers hit the wrong keys. Over the years, she noticed a pattern: How well she plays depends on her mood. A bad mood or lack of sleep almost always leads to sluggish, mistake-prone music.

In 2015, Leow realized that a similar pattern might be true for typing. She wondered if she could help people with psychiatric conditions track their moods by collecting data about their typing style from their phones. She decided to turn her idea into an app.

After conducting a pilot study, in 2018 Leow launched BiAffect, a research app that aims to understand mood-related symptoms of bipolar disorder through keyboard dynamics and sensor data from users’ smartphones. Now in use by more than 2,700 people who have volunteered their data to the project, the app tracks typing speed and accuracy by swapping the phone’s onscreen keyboard with its own nearly identical one.

The software then generates feedback for users, such as a graph displaying hourly keyboard activity. Researchers get access to the donated data from users’ phones, which they use to develop and test machine learning algorithms that interpret data for clinical use. One of the things Leow’s team has observed: When people are manic—a state of being overly excited that accompanies bipolar disorder—they type “ferociously fast,” says Leow.

Compared to a healthy user [top], a person experiencing symptoms of bipolar disorder [middle] or depression [bottom] may use their phone more than usual and late at night. BiAffect measures phone usage and orientation to help track those symptoms. BiAffect

BiAffect is one of the few mental-health apps that take a passive approach to collecting data from a phone to make inferences about users’ mental states. (Leow suspects that fewer than a dozen are currently available to consumers.) These apps run in the background on smartphones, collecting different sets of data not only on typing but also on the user’s movements, screen time, call and text frequency, and GPS location to monitor social activity and sleep patterns. If an app detects an abrupt change in behavior, indicating a potentially hazardous shift in mental state, it could be set up to alert the user, a caretaker, or a physician.

Such apps can’t legally claim to treat or diagnose disease, at least in the United States. Nevertheless, many researchers and people with mental illness have been using them as tools to track signs of depression, schizophrenia, anxiety, and bipolar disorder. “There’s tremendous, immediate clinical value in helping people feel better today by integrating these signals into mental-health care,” says John Torous, director of digital psychiatry at Beth Israel Deaconess Medical Center, in Boston. Globally, one in 8 people live with a mental illness, including 40 million with bipolar disorder.

These apps differ from most of the more than 10,000 mental-health and mood apps available, which typically ask users to actively log how they’re feeling, help users connect to providers, or encourage mindfulness. The popular apps Daylio and Moodnotes, for example, require journaling or rating symptoms. This approach requires more of the user’s time and may make these apps less appealing for long-term use. A 2019 study found that among 22 mood-tracking apps, the median user-retention rate was just 6.1 percent at 30 days of use.

App developers are trying to avoid the pitfalls of previous smartphone-psychiatry startups, some of which oversold their capabilities before validating their technologies.

But despite years of research on passive mental-health apps, their success is far from guaranteed. App developers are trying to avoid the pitfalls of previous smartphone psychiatry startups, some of which oversold their capabilities before validating their technologies. For example, Mindstrong was an early startup with an app that tracked taps, swipes, and keystrokes to identify digital biomarkers of cognitive function. The company raised US $160 million in funding from investors, including $100 million in 2020 alone, and went bankrupt in February 2023.

Mindstrong may have folded because the company was operating on a different timeline from the research, according to an analysis by the health-care news website Stat. The slow, methodical pace of science did not match the startup’s need to return profits to its investors quickly, the report found. Mindstrong also struggled to figure out the marketplace and find enough customers willing to pay for the service. “We were first out of the blocks trying to figure this out,” says Thomas Insel, a psychiatrist who cofounded Mindstrong.

Now that the field has completed a “hype cycle,” Torous says, app developers are focused on conducting the research needed to prove their apps can actually help people. “We’re beginning to put the burden of proof more on those developers and startups, as well as academic teams,” he says. Passive mental-health apps need to prove they can reliably parse the data they’re collecting, while also addressing serious privacy concerns.

Passive sensing catches mood swings early

Mood Sensors

Seven metrics apps use to make inferences about your mood

All icons: Greg Mably

Keyboard dynamics: Typing speed and accuracy can indicate a lot about a person’s mood. For example, people who are manic often type extremely fast.

Accelerometer: This sensor tracks how the user is oriented and moving. Lying in bed would suggest a different mood than going for a run.

Calls and texts: The frequency of text messages and phone conversations signifies a person’s social isolation or activity, which indicates a certain mood.

GPS location: Travel habits signal a person’s activity level and routine, which offer clues about mood. For example, a person experiencing depression may spend more time at home.

Mic and voice: Mood can affect how a person speaks. Microphone-based sensing tracks the rhythm and inflection of a person’s voice.

Sleep: Changes in sleep patterns signify a change in mood. Insomnia is a common symptom of bipolar disorder and can trigger or worsen mood disturbances.

Screen time: An increase in the amount of time a person spends on a phone can be a sign of depressive symptoms and can interfere with sleep.

A crucial component of managing psychiatric illness is tracking changes in mental states that can lead to more severe episodes of the disease. Bipolar disorder, for example, causes intense swings in mood, from extreme highs during periods of mania to extreme lows during periods of depression. Between 30 and 50 percent of people with bipolar disorder will attempt suicide at least once in their lives. Catching early signs of a mood swing can enable people to take countermeasures or seek help before things get bad.

But detecting those changes early is hard, especially for people with mental illness. Observations by other people, such as family members, can be subjective, and doctor and counselor sessions are too infrequent.

That’s where apps come in. Algorithms can be trained to spot subtle deviations from a person’s normal routine that might indicate a change in mood—an objective measure based on data, like a diabetic tracking blood sugar. “The ability to think objectively about my own thinking is really key,” says retired U.S. major general Gregg Martin, who has bipolar disorder and is an advisor for BiAffect.

The data from passive sensing apps could also be useful to doctors who want to see objective data on their patients in between office visits, or for people transitioning from inpatient to outpatient settings. These apps are “providing a service that doesn’t exist,” says Colin Depp, a clinical psychologist and professor at the University of California, San Diego. Providers can’t observe their patients around the clock, he says, but smartphone data can help close the gap.

Depp and his team have developed an app that uses GPS data and microphone-based sensing to determine the frequency of conversations and make inferences about a person’s social interactions and isolation. The app also tracks “location entropy,” a metric of how much a user moves around outside of routine locations. When someone is depressed and mostly stays home, location entropy decreases.

Depp’s team initially developed the app, called CBT2go, as a way to test the effectiveness of cognitive behavioral therapy in between therapy sessions. The app can now intervene in real time with people experiencing depressive or psychotic symptoms. This feature helps people identify when they feel lonely or agitated so they can apply coping skills they’ve learned in therapy. “When people walk out of the therapist’s office or log off, then they kind of forget all that,” Depp says.

Another passive mental-health-app developer, Ellipsis Health in San Francisco, uses software that takes voice samples collected during telehealth calls to gauge a person’s level of depression, anxiety, and stress symptoms. For each set of symptoms, deep-learning models analyze the person’s words, rhythms, and inflections to generate a score. The scores indicate the severity of the person’s mental distress, and are based on the same scales used in standard clinical evaluations, says Michael Aratow, cofounder and chief medical officer at Ellipsis.

Aratow says the software works for people of all demographics, without needing to first capture baseline measures of an individual’s voice and speech patterns. “We’ve trained the models in the most difficult use cases,” he says. The company offers its platform, including an app for collecting the voice data, through health-care providers, health systems, and employers; it’s not directly available to consumers.

In the case of BiAffect, the app can be downloaded for free by the public. Leow and her team are using the app as a research tool in clinical trials sponsored by the U.S. National Institutes of Health. These studies aim to validate whether the app can reliably monitor mood disorders, and determine whether it could also track suicide risk in menstruating women and cognition in people with multiple sclerosis.

BiAffect’s software tracks behaviors like hitting the backspace key frequently, which suggests more errors, and an increase in typing “@” symbols and hashtags, which suggest more social media use. The app combines this typing data with information from the phone’s accelerometer to determine how the user is oriented and moving—for example, whether the user is likely lying down in bed—which yields more clues about mood.

Ellipsis Health analyzes audio captured during telehealth visits to assign scores for depression, anxiety, and stress.Ellipsis Health

The makers of BiAffect and Ellipsis Health don’t claim their apps can treat or diagnose disease. If app developers want to make those claims and sell their product in the United States, they would first have to get regulatory approval from the U.S. Food and Drug Administration. Getting that approval requires rigorous and large-scale clinical trials that most app makers don’t have the resources to conduct.

Digital-health software depends on quality clinical data

The sensing techniques upon which passive apps rely—measuring typing dynamics, movement, voice acoustics, and the like—are well established. But the algorithms used to analyze the data collected by the sensors are still being honed and validated. That process will require considerably more high-quality research among real patient populations.

Greg Mably

For example, clinical studies that include control or placebo groups are crucial and have been lacking in the past. Without control groups, companies can say their technology is effective “compared to nothing,” says Torous at Beth Israel.

Torous and his team aim to build software that is backed by this kind of quality evidence. With participants’ consent, their app, called mindLAMP, passively collects data from their screen time and their phone’s GPS and accelerometer for research use. It’s also customizable for different diseases, including schizophrenia and bipolar disorder. “It’s a great starting point. But to bring it into the medical context, there’s a lot of important steps that we’re now in the middle of,” says Torous. Those steps include conducting clinical trials with control groups and testing the technology in different patient populations, he says.

How the data is collected can make a big difference in the quality of the research. For example, the rate of sampling—how often a data point is collected—matters and must be calibrated for the behavior being studied. What’s more, data pulled from real-world environments tends to be “dirty,” with inaccuracies collected by faulty sensors or inconsistencies in how phone sensors initially process data. It takes more work to make sense of this data, says Casey Bennett, an assistant professor and chair of health informatics at DePaul University, in Chicago, who uses BiAffect data in his research.

One approach to addressing errors is to integrate multiple sources of data to fill in the gaps—like combining accelerometer and typing data. In another approach, the BiAffect team is working to correlate real-world information with cleaner lab data collected in a controlled environment where researchers can more easily tell when errors are introduced.

Who participates in the studies matters too. If participants are limited to a particular geographic area or demographic, it’s unclear whether the results can be applied to the broader population. For example, a night-shift worker will have different activity patterns from those with nine-to-five jobs, and a city dweller may have a different lifestyle from residents of rural areas.

After the research is done, app developers must figure out a way to integrate their products into real-world medical contexts. One looming question is when and how to intervene when a change in mood is detected. These apps should always be used in concert with a professional and not as a replacement for one, says Torous. Otherwise, the app’s assessments could be dangerous and distressing to users, he says.

When mood tracking feels like surveillance

No matter how well these passive mood-tracking apps work, gaining trust from potential users may be the biggest stumbling block. Mood tracking could easily feel like surveillance. That’s particularly true for people with bipolar or psychotic disorders, where paranoia is part of the illness.

Keris Myrick, a mental-health advocate, says she finds passive mental-health apps “both cool and creepy.” Myrick, who is vice president of partnerships and innovation at the mental-health-advocacy organization Inseparable, has used a range of apps to support her mental health as a person with schizophrenia. But when she tested one passive sensing app, she opted to use a dummy phone. “I didn’t feel safe with an app company having access to all of that information on my personal phone,” Myrick says. While she was curious to see if her subjective experience matched the app’s objective measurements, the creepiness factor prevented her from using the app enough to find out.

Keris Myrick, a mental-health advocate, says she finds passive mental-health apps “both cool and creepy.”

Beyond users’ perception, maintaining true digital privacy is crucial. “Digital footprints are pretty sticky these days,” says Katie Shilton, an associate professor at the University of Maryland focused on social-data science. It’s important to be transparent about who has access to personal information and what they can do with it, she says.

“Once a diagnosis is established, once you are labeled as something, that can affect algorithms in other places in your life,” Shilton says. She cites the misuse of personal data in the Cambridge Analytica scandal, in which the consulting firm collected information from Facebook to target political advertising. Without strong privacy policies, companies producing mental-health apps could similarly sell user data—and they may be particularly motivated to do so if an app is free to use.

Conversations about regulating mental-health apps have been ongoing for over a decade, but a Wild West–style lack of regulation persists in the United States, says Bennett of DePaul University. For example, there aren’t yet protections in place to keep insurance companies or employers from penalizing users based on data collected. “If there aren’t legal protections, somebody is going to take this technology and use it for nefarious purposes,” he says.

Some of these concerns may be mediated by confining all the analysis to a user’s phone, rather than collecting data in a central repository. But decisions about privacy policies and data structures are still up to individual app developers.

Leow and the BiAffect team are currently working on a new internal version of their app that incorporates natural-language processing and generative AI extensions to analyze users’ speech. The team is considering commercializing this new version in the future, but only following extensive work with industry partners to ensure strict privacy safeguards are in place. “I really see this as something that people could eventually use,” Leow says. But she acknowledges that researchers’ goals don’t always align with the desires of the people who might use these tools. “It is so important to think about what the users actually want.”

This article appears in the July 2024 print issue as “The Shrink in Your Pocket.”




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Origami Helps Implant Sensors in Bio-Printed Tissue



In the United States alone, more than 100,000 people currently need a lifesaving organ transplant. Instead of waiting for donors, one way to solve this crisis in the future is to assemble replacement organs with bio-printing—3D printing that uses inks containing living cells. Scientists in Israel have found that origami techniques could help fold sensors into bio-printed materials to help determine whether they are behaving safely and properly.

Although bio-printing something as complex as a human organ is still a distant possibility, there are a host of near-term applications for the technique. For example, in drug research, scientists can bio-print living, three-dimensional tissues with which to examine the effects of various compounds.

Ideally, researchers would like to embed sensors within bio-printed items to keep track of how well they are behaving. However, the three-dimensional nature of bio-printed objects makes it difficult to lodge sensors within them in a way that can monitor every part of the structures.

“It will, hopefully in the future, allow us to monitor and assess 3D biostructures before we would like to transplant them.” —Ben Maoz, Tel Aviv University

Now scientists have developed a 3D platform inspired by origami that can help embed sensors in bio-printed objects in precise locations. “It will, hopefully in the future, allow us to monitor and assess 3D biostructures before we would like to transplant them,” says Ben Maoz, a professor of biomedical engineering at Tel Aviv University in Israel.

The new platform is a silicone rubber device that can fold around a bio-printed structure. The prototype holds a commercial array of 3D electrodes to capture electrical signals. It also possesses other electrodes that can measure electrical resistance, which can reveal how permeable cells are to various medications. A custom 3D software model can tailor the design of the origami and all the electrodes so that the sensors can be placed in specific locations in the bio-printed object.

The scientists tested their device on bio-printed clumps of brain cells. The research team also grew a layer of cells onto the origami that mimicked the blood-brain barrier, a cell layer that protects the brain from undesirable substances that the body’s blood might be carrying. By folding this combination of origami and cells onto the bio-printed structures, Maoz and his colleagues were able to monitor neural activity within the brain cells and see how their synthetic blood-brain barrier might interfere with medications intended to treat brain diseases.

Maoz says the new device can incorporate many types of sensors beyond electrodes, such as temperature or acidity sensors. It can also incorporate flowing liquid to supply oxygen and nutrients to cells, the researchers note.

Currently, this device “will mainly be used for research and not for clinical use,” Maoz says. Still, it could “significantly contribute to drug development—assessing drugs that are relevant to the brain.”

The researchers say they can use their origami device with any type of 3D tissue. For example, Maoz says they can use it on bio-printed structures made from patient cells “to help with personalized medicine and drug development.”

The origami platform could also help embed devices that can modify bio-printed objects. For instance, many artificially grown tissues function better if they are placed under the kinds of physical stresses they might normally experience within the body, and the origami platform could integrate gadgets that can exert such mechanical forces on bio-printed structures. “This can assist in accelerating tissue maturation, which might be relevant to clinical applications,” Maoz says.

The scientists detailed their findings in the 26 June issue of Advanced Science.




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Startups Launch Life-Saving Tech for the Opioid Crisis



Tech startups are stepping up to meet the needs of 60 million people worldwide who use opioids, representing about 1 percent of the world’s adult population. In the United States, deaths involving synthetic opioids have risen 1,040 percent from 2013 to 2019. The COVID-19 pandemic and continued prevalence of fentanyl have since worsened the toll, with an estimated 81,083 fatal overdoses in 2023 alone.

Innovations include biometric monitoring systems that help doctors determine proper medication dosages, nerve stimulators that relieve withdrawal symptoms, wearable and ingestible systems that watch for signs of an overdose, and autonomous drug delivery systems that could prevent overdose deaths.

Helping Patients Get the Dosage They Need

For decades, opioid blockers and other medications that suppress cravings have been the primary treatment tool for opioid addiction. However, despite its clinical dominance, this approach remains underutilized. In the United States, only about 22 percent of the 2.5 million adults with opioid use disorder receive medication-assisted therapy such as methadone, Suboxone, and similar drugs.

Determining patients’ ideal dosage during the early stages of treatment is crucial for keeping them in recovery programs. The shift from heroin to potent synthetic opioids, like fentanyl, has complicated this process, as the typical recommended medication doses can be too low for those with a high fentanyl tolerance.

A North Carolina-based startup is developing a predictive algorithm to help clinicians tailor these protocols and track real-time progress with biometric data. OpiAID, which is currently working with 1,000 patients across three clinical sites, recently launched a research pilot with virtual treatment provider Bicycle Health. Patients taking Suboxone will wear a Samsung Galaxy Watch6 to measure their heart rate, body movements, and skin temperature. OpiAID CEO David Reeser says clinicians can derive unique stress indications from this data, particularly during withdrawal. (He declined to share specifics on how the algorithm works.)

“Identifying stress biometrically plays a role in how resilient someone will be,” Reeser adds. “For instance, poor heart rate variability during sleep could indicate that a patient may be more susceptible that day. In the presence of measurable amounts of withdrawal, the potential for relapse on illicit medications may be more likely.”

Nerve Stimulators Provide Opioid Withdrawal Relief

While OpiAID’s software solution relies on monitoring patients, electrical nerve stimulation devices take direct action. These behind-the-ear wearables distribute electrodes at nerve endings around the ear and send electrical pulses to block pain signals and relieve withdrawal symptoms like anxiety and nausea.

The U.S. Food and Drug Administration (FDA) has cleared several nerve stimulator devices, such as DyAnsys’ Drug Relief, which periodically administers low-level electrical pulses to the ear’s cranial nerves. Others include Spark Biomedical’s Sparrow system and NET Recovery’s NETNeuro device.

Masimo’s behind-the-ear Bridge device costs US $595 for treatment providers.Masimo

Similarly, Masimo’s Bridge relieves withdrawal symptoms by stimulating the brain and spinal cord via electrodes. The device is intended to help patients initiating, transitioning into, or tapering off medication-assisted treatment. In a clinical trial, Bridge reduced symptom severity by 85 percent in the first hour and 97 percent by the fifth day. A Masimo spokesperson said the company’s typical customers are treatment providers and correctional facilities, though it’s also seeing interest from emergency room physicians.

Devices Monitor Blood Oxygen to Prevent Overdose Deaths

In 2023, the FDA cleared Masimo’s Opioid Halo device to monitor blood oxygen levels and alert emergency contacts if it detects opioid-induced respiratory depression, the leading cause of overdose deaths. The product includes a pulse oximeter cable and disposable sensors connected to a mobile app.

Opioid Halo utilizes Masimo’s signal extraction technology, first developed in the 1990s, which improves upon conventional oxygen monitoring techniques by filtering out artifacts caused by blood movement. Masimo employs four signal-processing engines to distinguish the true signal from noise that can lead to false alarms; for example, they distinguish between arterial blood and low-oxygen venous blood.

Masimo’s Opioid Halo system is available over-the-counter without a prescription. Masimo

Opioid Halo is available over-the-counter for US $250. A spokesperson says sales have continued to show promise as more healthcare providers recommend it to high-risk patients.

An Ingestible Sensor to Watch Over Patients

Last year, in a first-in-human clinical study, doctors used an ingestible sensor to monitor vital signs from patients’ stomachs. Researchers analyzed the breathing patterns and heart rates of 10 sleep study patients at West Virginia University. Some participants had episodes of central sleep apnea, which can be a proxy for opioid-induced respiratory depression. The capsule transmitted this data wirelessly to external equipment linked to the cloud.

Celero’s Rescue-Rx capsule would reside in a user’s stomach for one week.Benjamin Pless/Celero Systems

“To our knowledge, this is the first time anyone has demonstrated the ability to accurately monitor human cardiac and respiratory signals from an ingestible device,” says Benjamin Pless, one of the study’s co-authors. “This was done using very low-power circuitry including a radio, microprocessor, and accelerometer along with software for distinguishing various physiological signals.”

Pless and colleagues from MIT and Harvard Medical School started Celero Systems to commercialize a modified version of that capsule, one that will also release an opioid antagonist after detecting respiratory depression. Pless, Celero’s CEO, says the team has successfully demonstrated the delivery of nalmefene, an opioid antagonist similar to Narcan, to rapidly reverse overdoses.

Celero’s next step is integrating the vitals-monitoring feature for human trials. The company’s final device, Rescue-Rx, is intended to stay in the stomach for one week before passing naturally. Pless says Rescue-Rx’s ingestible format will make the therapy cheaper and more accessible than wearable autoinjectors or implants.

Celero’s capsule can detect vital signs from within the stomach. www.youtube.com

Autonomous Delivery of Overdose Medication

Rescue-Rx isn’t the only autonomous drug-delivery project under development. A recent IEEE Transactions on Biomedical Circuits and Systems paper introduced a wrist-worn near-infrared spectroscopy sensor to detect low blood oxygen levels related to an overdose.

Purdue University biomedical engineering professor Hugh Lee and graduate student Juan Mesa, who both co-authored the study, say that while additional human experiments are necessary, the findings represent a valuable tool in counteracting the epidemic. “Our wearable device consistently detected low-oxygenation events, triggered alarms, and activated the circuitry designed to release the antidote through the implantable capsule,” they wrote in an email.

Lee and Purdue colleagues founded Rescue Biomedical to commercialize the A2D2 system, which includes a wristband and an implanted naloxone capsule that releases the drug if oxygen levels drop below 90 percent. Next, the team will evaluate the closed-loop system in mice.

This story was updated on 27 August 2024 to correct the name of Masimo’s Opioid Halo device.



  • Blood oxygen monitoring
  • Electrical nerve stimulation
  • Opioid addiction treatment
  • Opioids
  • Biometrics

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