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UrduThe invention of a microscopic spectral sensor that can identify myriad materials with unprecedented accuracy is set to overhaul our approach to healthcare, food safety and more.
Tag: wearable devices
Developing new polymeric nanomaterials to detect harmful substances in extreme environments
The Korea Institute of Science and Technology (KIST) announced that it has developed a method for synthesizing polymers based on ion-electron mixed conductors through collaborative research with Dr. Jang Ji-soo of KIST’s Center for Electronic Materials Research and Professor Mingjiang Zhong of Yale University in the United States.
New device generates electricity from moisture in the air
Binghamton University, State University of New York researchers have developed a paper-based wearable device that would provide sustained high-efficiency power output through moisture capture.
Echoes in the brain: Why today’s workout could fuel next week’s bright idea
In a pioneering longitudinal study, researchers tracked one person’s brain and behavioural activity for five months using brain scans and data from wearable devices and smartphones. They found that the everyday effects of sleep, exercise, heart rate and mood — both good and bad — could linger in our brains for over two weeks.
Can wearable activity trackers detect disease?
A new University of South Australia study reveals that wearable activity trackers show promise in detecting early signals of disease – particularly atrial fibrillation associated with stroke, and COVID-19.
Capacitive pressure sensors fabricated by laser speckle grayscale lithography
The introduction of micropatterns is an effective strategy in enhancing the sensitivity of capacitive pressure sensors. Towards this goal, scientist in China developed a novel approach for fabricating random conical array (RCA) microstructures based on laser speckle grayscale lithography.
Laser speckle grayscale lithography: a new tool for fabricating highly sensitive flexible capacitive pressure sensors
The introduction of micropatterns is an effective strategy in enhancing the sensitivity of capacitive pressure sensors. Towards this goal, scientist in China developed a novel approach for fabricating random conical array (RCA) microstructures based on laser speckle grayscale lithography.
Batería de iones de litio totalmente elástica para dispositivos electrónicos flexibles
Los investigadores de ACS Energy Letters informan sobre una batería de iones de litio con componentes totalmente extensibles, incluida una capa de electrolito que puede expandirse un 5000 %, y que conserva su capacidad de almacenamiento de carga después de casi 70 ciclos de carga y descarga.
Completely stretchy lithium-ion battery for flexible electronics
Researchers in ACS Energy Letters report a lithium-ion battery with entirely stretchable components, including an electrolyte layer that can expand by 5000%, and it retains its charge storage capacity after nearly 70 charge/discharge cycles. Potential applications include flexible electronics.
Current development status and prospects of emerging polymer/MXene electromagnetic shielding composites
The increasing popularity of electronic devices has heightened concerns about electromagnetic interference (EMI). Developing new EMI shielding composites is essential, and 2D MXene nanomaterials are a promising option due to their excellent physicochemical properties.
Changing epilepsy care through entrepreneurship: Dr. Mark Cook
Dr. Cook realized, when his father was diagnosed with epilepsy, that a system to identify and predict seizures could improve care and change people’s lives. In this episode, Dr. Cook talks about entrepreneurship in epilepsy and advancing the field through innovation.
ETRI published Key International Standards for Wearable Healthcare
ETRI researchers have published key international standards for testing the accuracy of essential health management functions, such as step counting and heart rate monitoring, in wearable devices. This initiative has created a global common criterion for evaluating measurement accuracy in wearable devices.
Hitting this stretchy, electronic material makes it tougher
Dropping wearable electronics, or hitting them really hard, usually breaks the devices. Now, researchers report on a flexible and electrically conductive material with “adaptive durability,” getting stronger when it is hit. They will present their results at ACS Spring 2024.
How AI and Wearable Technologies Are Transforming Medicine
Imagine a world in which the digital watch on your wrist tracks not only your step count, but also your blood sugar, heart rate, blood pressure and respiration.
Enhancing stretchable electronics: NUS researchers develop novel liquid metal circuits for flexible, self-healing wearables
Imagine a stretchable and durable sensor patch for monitoring the rehabilitation of patients with elbow or knee injuries, or an unbreakable and reliable wearable device that measures a runner’s cardiac activities during training to prevent life-threatening injuries.
This patch uses nanomagnets to detect muscle movement through the skin
Using nanomagnets composites and conductive yarn, scientists have invented a smart textile that can sense and measure body movements—from muscles flexing to veins pulsing.
New Research Suggests Sleep Wearables Show Promise in Improving Sleep Health Among Marginalized Populations
New research highlights the potential of wearable sleep devices to improve sleep health among marginalized populations and identifies possible barriers to the acceptance and adoption of wearable technologies
Can smart watches and other fitness and wellness trackers do more harm than good for some people?
In recent years, wearable devices such as smartwatches and rings, as well as smart scales, have become ubiquitous – “must-haves” for the health conscious to self-monitor heart rate, blood pressure, and other vital signs.
Wristwatch device gives therapists opportunity to guide PTSD patients through treatment
Sights, smells and sounds of everyday life can supply the triggers that take someone with PTSD right back to the scarring scene they’re trying to forget.
Palm e-tattoo can tell when you’re stressed out
Our palms tell us a lot about our emotional state, tending to get wet when people are excited or nervous.
High-performance and compact vibration energy harvester created for self-charging wearable devices
Walking can boost not only your own energy but also, potentially, the energy of your wearable electronic devices.
Stretchable Battery Packaging with Moisture and Gas Barrier Could Power the Future of Wearable Devices
Wearable devices have garnered attention for their potential as sensors that could monitor various biomarkers, a means of drug delivery, medical devices and more.
Print, Recycle, Repeat: Scientists Demonstrate a Biodegradable Printed Circuit
Scientists have developed a fully recyclable and biodegradable printed circuit. The advance could divert wearable devices and other flexible electronics from landfill, and mitigate the health and environmental hazards posed by heavy metal waste.
Mount Sinai Researchers Develop Machine Learning Model that Can Detect and Predict COVID-19 from Collected Data on Wearable Devices
Mount Sinai researchers have developed a machine learning algorithm that can determine if an individual has SARS-CoV-2 infections, the virus that causes COVID-19—with a high sensitivity and specificity—from the data collected by wearable devices.
A new 3D printing frontier: Self-powered wearable devices
Notre Dame researchers have created an innovative hybrid printing method — combining multi-material aerosol jet printing and extrusion printing — that integrates both functional and structural materials into a single streamlined printing platform.
Mount Sinai Researchers Use Wearable Devices to Identify Psychological Effects of Pandemic
Study links changes in heart rate variability with degree of resilience, as part of larger effort to understand and mitigate the effects of COVID-19 on health care workers
NUS engineers devise novel approach to wirelessly power multiple wearable devices using a single source
Researchers from NUS have come up with a way to use one single device – such as a mobile phone or smart watch – to wirelessly power up to 10 wearables on a user. This novel method uses the human body as a medium for transmitting power. Their system can also harvest unused energy from electronics in a typical home or office environment to power the wearables.
How to Make All Headphones Intelligent
How do you turn “dumb” headphones into smart ones? Rutgers engineers have invented a cheap and easy way by transforming headphones into sensors that can be plugged into smartphones, identify their users, monitor their heart rates and perform other services. Their invention, called HeadFi, is based on a small plug-in headphone adapter that turns a regular headphone into a sensing device. Unlike smart headphones, regular headphones lack sensors. HeadFi would allow users to avoid having to buy a new pair of smart headphones with embedded sensors to enjoy sensing features.
Mount Sinai Study Finds Wearable Devices Can Detect COVID-19 Symptoms and Predict Diagnosis
Wearable devices can identify COVID-19 cases earlier than traditional diagnostic methods and can help track and improve management of the disease, according to a Mount Sinai study.
NIH award contracts to develop innovative digital health technologies for COVID-19
NIH has awarded seven contracts to companies and academic institutions to develop digital health solutions that help address the COVID-19 pandemic.
Battery life for wearable electronic devices could be improved with design considerations to stress asymmetry clues in cylindrical battery cell formats
Researchers in WMG and the Department of Physics at the University of Warwick have found that asymmetric stresses within electrodes used in certain wearable electronic devices provides an important clue as to how to improve the durability and lifespan of these batteries.
Critical Transition Theory Shows Flickering in Heart Before Atrial Fibrillation
Atrial fibrillation ranks among the most common heart conditions, and episodes are difficult to predict. Researchers have proposed a way to define cardiac state and have studied the dynamics before the cardiac rhythm changes from normal sinus to AF rhythm and vice versa. The work, appearing in Chaos and based on critical transition theory, looks to provide an early warning for those with paroxysmal atrial fibrillation with potential implications for future wearable devices.
New Fitness Trends to Help You Achieve 2020 Health Goals
American College of Sports Medicine’s annual fitness trend forecast offers tips to meet 2020 fitness goals…and potentially spark ideas for last-minute holiday gifts.