Articles tagged with Sensors
Carbon dots bring testing to paper strips and swabs by emitting bright blue fluorescence under UV light but becoming dimmer in the presence of vitamin B12. The team created two simple formats, filter-paper strips and cotton-swab sensors, to make detection faster, cheaper, and easier to use outside conventional workflows.
A new wearable device can track changes in arm movement impairment caused by strokes, enabling clinicians to make real-time adjustments to therapy programs. The device uses a machine-learning algorithm to interpret movement data, providing a more accurate reflection of a patient's true condition.
Researchers at Aarhus University have developed a tiny sensor that responds to touch in a similar way to our sensory cells. The sensor, made from a soft, silicone-like material, can convert touch into an electric potential and potentially stimulate nerves directly, allowing for prosthetic limbs with a sense of touch.
Researchers developed a current comparator using diamond quantum sensors to accurately evaluate both AC and DC current ratios with the same device setup. This technology eliminates the need for separate calibration systems and paves the way for standardization of current measurement in next-generation power grids.
Researchers developed a soft exosuit to assist hip extension, allowing older adults to stand up and walk more efficiently. The suit provides real-time support, enabling users to complete sit-to-stand cycles more frequently and with reduced fatigue.
A new approach to aquatic pathogen surveillance combines automated sampling, pathogen concentration, and rapid signal detection for real-time monitoring of multiple pathogens. The proposed framework complements traditional methods, improving biosafety and early warning systems.
Researchers at Fraunhofer IAF have developed a monolithic microwave integrated circuit (MMIC) with a gain of 11 ± 2 dB in the frequency range between 4 and 420 GHz. The MMIC achieves low noise and high output power, making it suitable for high-bandwidth applications such as optical data transmission.
Researchers developed a soft, reusable smart contact lens that measures serotonin levels in tears, shedding light on stress-related physiological changes. The device, part of a broader tear bioelectronics platform, detects serotonin at low concentrations, enabling the tracking of small changes in stress levels.
Dr. Michael Twardowski, Ph.D., an internationally recognized expert in optical oceanography, has been named Edwin A. Link Ocean Technology and Defense Endowed Professor at FAU Harbor Branch. He will focus on developing innovative ocean-sensing technologies for marine science and national defense.
Researchers developed a biodegradable sensor using cobalt chloride to detect moisture levels in food packaging, enabling easy monitoring of crispiness and quality. The sensor changes color from blue to pink as moisture levels rise or fall, reflecting actual changes in storage conditions.
Binghamton University professor Mohammad Younis leads a project to develop an ultrasensitive gas detection MEMS device with autonomous actuation to detect thermal runaway in lithium-ion batteries. The device features a vibrating wire and thermal conductivity principle, and can be self-contained and act autonomously
Scientists systematically map the Biginelli reaction to uncover a previously unknown branch that produces complex bicyclic structures and molecules with unusual supramolecular behavior
Researchers developed an AI-guided laser technique to carve micro-pyramids for robots to sense soft surfaces gently. The technique enables the creation of flexible conductive skins with high sensitivity and linearity, outperforming conventional designs.
Researchers propose a framework for packaging that senses, learns, and acts to reduce food waste and spoilage. The system uses AI to interpret signals from sensors embedded in the packaging, enabling real-time monitoring and adaptive responses to minimize waste and optimize food distribution.
Researchers developed nanostructures using MoOCl2, exhibiting polarization-controlled metal and dielectric resonances, with dielectric resonance exhibiting a higher quality factor and stronger photoemission signal
Researchers have proposed a superfluid helium-based qubit design that could reduce error rates by 100 times, making it more resilient to electromagnetic noise. The SHOQ device could work alongside existing superconducting technologies, enabling a hybrid quantum system with improved performance.
A new multiplexing scheme enables deterministic light-sharing PET modules with improved power efficiency and data efficiency. The scheme reads out timestamps at the ASIC level, reducing power consumption without sacrificing coincidence time resolution.
Researchers at Stony Brook University have developed a graphene oxide-based dew point meter that detects humidity levels and temperature variations. This cost-effective hygrometer platform replaces traditional dew point sensors, enabling precise humidity measurement.
A study by Politecnico di Milano and the University of Insubria tested THInkPen, a sensorized pen, on over 700 children to assess writing difficulties. The results revealed significant relationships between digital indicators and clinical scores, confirming the ability of the pen to reliably reflect performance characteristics.
Researchers developed MASTER, a distributed optimization method that addresses the challenge of matching measurements from different sensors in cooperative localization. The method produces smaller localization errors than existing methods, especially with more sensors participating, and works with various sensing data types.
Researchers at Tohoku University developed a novel approach to track bending stress in microscopic devices using nitrogen vacancy centers in diamond crystals. The study shows that the sensing region can be integrated into the mechanical device itself, enabling the detection of both tensile and compressive bending stress.
Researchers developed a low-cost touch interface that recognizes finger movements and users, using a single-electrode design and triboelectric effects. The interface can be created by printing patterns onto a PVC sheet with a laser printer and can recognize complex inputs, including alphabet characters and user authentication.
The new study, known as SENTINEL, aims to predict both risk factors and protective factors for depression and suicide using patterns in brain activity and behavior. It will track approximately 210 USC students for up to 36 months, using a combination of lab tests, wearable sensors, and smartphone data.
The MDPI Subject Workshop: Microelectronics, Microsystems, Sensors, and Their Applications will explore a broad range of topics, including microelectronics, microsystems, sensors, and their applications. Researchers and industry professionals will gather to exchange knowledge and discuss emerging technologies.
MIT researchers have overcome a major challenge holding back the real-world deployment of microwave quantum technologies. They developed a scalable platform that generates pairs of highly correlated radio frequency waves at room temperature, enabling secure communications and high-precision radar and sensing.
Research estimates a sevenfold increase in tire-derived 6PPD emissions in China from 2000 to 2020, with soil and rural road networks playing major roles. The study projects that emissions could reach 0.15 million metric tons per year by 2060.
Researchers have developed a new 3D-printable cellulose hydrogel that defies freezing temperatures, maintaining ionic conductivity and mechanical strength. The hydrogel exhibits shear-thinning behavior, allowing it to flow through a 3D printer nozzle and hold its shape.
Rice researchers have discovered that tiny wrinkles in graphene can change its electrical properties, providing evidence for flexoelectricity. The findings suggest scientists may be able to control electricity by changing the shape of atomically thin materials.
Researchers reveal a new attack surface exposed to malicious and compromised SIMs, allowing attackers to gather information about devices, interfere with connectivity, and serve as entry points for further cyberattacks. The study highlights four attacker scenarios leading to malicious or compromised SIMs and eSIMs.
The Center for Large Aperture Secure Sensing, Imaging and Communications aims to develop advanced antenna technologies for future wireless systems. Led by Edward Knightly, the research team will investigate how extremely large-scale antenna arrays can expand wireless system capabilities in challenging environments.
Researchers at NUS CDE developed a self-repairing, recyclable substrate that repairs itself, grips metal conductors firmly and can be remoulded or broken down after use. The new material, called an intrinsically dynamic biosubstrate (IDBS), reduces electronic waste and enables recovery of valuable components.
A team at Pusan National University created a stretchable organic electrochemical transistor that can be easily reprogrammed to perform different functions. The device combines logic, memory, and a visible color readout without complex circuitry.
A KAIST research team developed two core technologies to correct AI hallucinations caused by sensory misinterpretation. The first technology uses the Diverse Negative Attributes method to accurately understand special camera sensors, while the second technology Modality-Adaptive Decoding blocks cross-modal hallucinations at the source.
A team of researchers from Chiba University developed a method to monitor laser ablation in real time by detecting tiny push-back forces during laser cutting. By tracking the recoil force, they can sense depth and detect completion in real time, allowing for precise control over the process.
UC San Diego engineers created a smart ring that continuously monitors up to four different chemical biomarkers from finger sweat. The ring provides real-time health insights into individuals with diabetes management and nutrition tracking, closely matching commercial glucose and ketone readings.
Researchers at Kyoto University developed a hybrid graphite-based substance with aligned particles that demonstrates stable diamagnetic levitation. The team successfully created the substance by aligning micro-crystals in a uniform direction and applying a magnetic field, resulting in a miniature flying carpet-like effect.
Researchers presented a comprehensive system-level review of polymer-based flexible wireless sensors for seamless skin-like mechanical compliance with real-time health monitoring. The review breaks siloed tradition by addressing sensing mechanisms, wireless systems, manufacturing strategies, materials, and clinical applications.
Researchers have developed ultrathin, invisible on-skin electrodes that can measure biological signals without altering appearance or social interactions. These new sensors achieve this by closely matching the appearance and texture of natural skin, reducing reflections and eliminating visibility.
Researchers at MIT have developed a microscopic pixel-based tunable lens that controls incoming infrared light for more precise thermal imaging, chemical sensing, or pollution monitoring. The system enables compact, dynamic infrared cameras with potential applications in environmental protection, space research, and military technology.
Researchers developed a rapid biosensor for detecting polystyrene nanoparticles, enabling direct detection without labeling or extensive sample preparation. The device can detect particles as small as 50 nm in fresh water and has a low detection limit of 1.3 μg/mL.
Researchers from Tokyo Metropolitan University introduced ultra-fine bubbles into ink droplets, demonstrating their ability to modify ink drying patterns. The team's discovery holds promise for the printing of microdevices, where additives can negatively affect properties of ink deposits.
Bacteriophages, viruses that naturally infect bacteria, can be engineered into rapid and highly specific biosensors for clinical diagnosis, food safety, and environmental monitoring. These phage-based systems offer a compelling alternative to conventional methods, which often involve tradeoffs between speed, sensitivity, and cost.
Researchers at Tufts University developed tiny tattoo-like sensors that track temperature, humidity, and stem growth in plants. These sensors provide an early warning system for farmers, allowing them to respond before visible signs of plant stress appear.
The SNU Engineering team has developed an eco-friendly artificial spiderweb pressure sensor that achieves high sensitivity, fast response time, and excellent mechanical stability. The sensor is capable of real-time detection of human pulse, respiration, vocalization, and finger movements, making it suitable for Parkinson’s disease reha...
Researchers developed a silk-based sticker that tracks temperature, pH, sodium, and glucose levels in newborns without needles or wires. The wearable patch uses AI to analyze color changes, providing accurate readings above 91% for critical vital signs.
Researchers developed an aerated hydrogel that allows air to pass through while maintaining its water content. This breakthrough enables longer-lasting products, such as breathable bandages, implants, and wearable sensors, with improved skin comfort and reduced sweat buildup.
Researchers have developed a tiny, electrically tunable infrared filter that can distinguish between different materials and gases based on their spectral 'fingerprints'. This technology has the potential to enable handheld pollution detectors, compact multispectral cameras, and next-generation chemical sensing devices.
Researchers create custom-fit prosthetic hands with soft magnetic sensors that capture subtle changes in muscle shape and pressure. The system performs consistently and reliably, translating intent into control of a dexterous robotic hand with up to 90% accuracy.
Researchers have developed smart molecules that can change their physical properties in response to various external stimuli. These materials can form the building blocks for next-generation data storage units, quantum processors, and advanced industrial sensors.
Researchers at Penn State and NIST developed a new way to build tinier, smarter glass sensors filled with highly precise and stable atoms. These sensors can measure high-frequency electromagnetic signals, including millimeter-wave radiation, and offer improved navigation accuracy and reliability.
Researchers introduce a 'failure-mechanism-oriented robustness optimization' framework to address coupled multimode failures and optimize superhydrophobic sensor performance. The framework establishes key quantitative benchmarks for next-generation amphibious flexible sensing, enabling exceptional metrics of up to 10,000 gauge factors ...
The new hydrogel features ultra-high stretchability, excellent crack resistance, and strong self-adhesion, making it a promising candidate for wearable sensing devices. It delivers steady electrical signals when detecting movements of fingers, wrists, elbows, and knees.
Researchers developed a digital twin framework to predict permafrost degradation in Alaska's thawing permafrost. The framework uses real-time measurements and AI to simulate the physical properties of frozen soil, enabling more accurate predictions of climate change impact.
A new underwater mapping technique, Sonar-MASt3R, combines sonar and visual data to generate detailed 3D maps of environments in real-time. The system enables vehicles to navigate through cloudy water by quickly mapping the general shape of their surroundings using sonar.
New degradable sensors developed by Lancaster University researchers track biological activity in soil using a biodegradable substrate nibbled on by microbes. This technology offers insights into soil's response to climate events and storage of carbon, providing a better understanding of soil health and microbial processes.
Old Dominion University has launched a National Security Institute to accelerate research and technology solutions for pressing national security challenges. The institute will bring together researchers' strengths in AI, autonomy, and coastal systems to deliver innovative solutions.
MIT researchers have developed low-cost, 3D-printed triaxial electrospray emitters that efficiently produce three-layered particles at scale. The devices can be used to manufacture time-release drug-delivery nanoparticles with potential applications in biosensors and tissue regeneration.
Researchers developed a quantum sensing approach using superconducting qubits, combining non-equilibrium dynamics and quantum criticality to measure gradient field strengths with quantum-limit precision. The method avoids complex measurement setups, enabling highly precise estimates of gradient field strengths with limited samples.
A new vertical design separates expensive electronic components from disposable plastic patches, allowing sweat to travel upward and make electrical contact with sensors. This separation prevents waste and makes continuous monitoring economically possible.
Researchers at Istituto Italiano di Tecnologia developed an octopus-inspired soft robotic arm with integrated tactile sensors, enabling autonomous grasp and manipulation in aquatic environments. The system combines distributed tactile sensing and decentralized control to detect contact and adapt grip autonomously.