Articles tagged with Sensors
Researchers have developed a novel thin-film sensor that accurately tracks light wavelengths with sub-nanometer spectral resolution, enabling efficient counterfeit detection. The small and inexpensive sensors can quickly check documents for security features without expensive laboratory technology.
A new mid-infrared sensor chip can accurately monitor liquid concentrations in real-time, enabling precise monitoring of chemical reactions. The sensor combines customized infrared technology and chemical robustness to deliver data within fractions of a second.
Researchers have developed highly sensitive and mass producible organic photodetectors that can detect weak signals. The new photodetectors exhibited a detectivity comparable to those of conventional silicon photodiodes, operating stably under temperatures above 150 °C.
Researchers at MIT developed an AI model that can detect Parkinson's disease from breathing patterns, using a neural network to assess the presence and severity of the condition. The device is non-invasive and can be used in patients' homes without any bodily contact.
A new sensor can detect and identify different types of nanoplastics in the air using colorful carbon dot films. The sensor can report the amount of particles from a certain plastic type above or below a predetermined concentration threshold.
A team of scientists has developed a novel setup for magnetocardiography using a diamond quantum sensor to measure heart currents at millimeter resolution. The sensor is based on nitrogen vacancies sensitive to weak magnetic fields produced by heart currents and can operate at room temperature.
A tiny sensor can detect lithium levels from sweat on a fingertip in 30 seconds, providing a non-invasive alternative to blood tests. The sensor, developed by researchers, has the potential to improve medication adherence and patient care.
MIT engineers create a flexible, semiconducting film that conforms to the skin like electronic Scotch tape, harnessing gallium nitride's piezoelectric properties for sensing and wireless communication. The device wirelessly transmits signals related to pulse, sweat, and UV exposure without chips or batteries.
Researchers from Chung-Ang University have developed a novel device that uses respiration to power sensors in gas masks, allowing for a continuous electrical output. The device, called IVF-TENG, demonstrates potential applications in portable electronics and wireless data transmission.
Researchers developed a wireless system called Contactless Moisture Estimation (CoMEt) that estimates soil moisture in agricultural fields at multiple depths using radio signals. CoMEt can assess soil moisture without requiring in-ground sensors, making it more cost-effective and convenient for farmers.
MIT researchers developed a method to create 3D-printed materials with tunable mechanical properties and embedded sensors, enabling real-time feedback on movement and interaction. The sensing structures use air-filled channels that deform when moved or squeezed, providing accurate feedback for robotics and wearable devices.
The IQ-Sense project brings together researchers from two German universities to develop and demonstrate integrated quantum sensors for spectroscopic and imaging applications. The project will enable precise measurements of temperature, pressure, magnetic or electric fields, crucial in various scientific and medical fields.
Researchers at the University of South Australia have developed tiny optical fibre sensors to monitor movement and record vital signs, reducing the risk of pressure sores. The technology can detect when patients remain motionless for extended periods, prompting nurses to adjust their position.
Scientists at Tokyo Medical and Dental University developed an enzyme-based biosensor in the form of an electrospun polymer mesh that can detect volatile organic compounds. The dry-form biosensor, which uses embedded enzymes, has been shown to be highly specific and sensitive to ethanol vapor.
A new water-resistant gas sensor can detect nitrogen dioxide in breath, indicating potential pulmonary diseases. The sensor's semi-permeable membrane allows it to block moisture while permitting gas molecule permeation.
Researchers developed a new printing technique that applies a 19th-century color photography method to modern holographic materials, producing large-scale images on elastic materials with structural color. The team's results enable the creation of pressure-monitoring bandages, shade-shifting fabrics, or touch-sensing robots.
The new ultrasound sticker uses a stretchy adhesive layer and rigid array of transducers to produce higher resolution images over a longer duration. It has potential applications in clinical diagnosis and could be made into wearable imaging products that patients can take home or buy at a pharmacy.
Scientists used a nanodiamond-based quantum sensor to measure temperature changes in neurons. The study, published in Advanced Science Journal, found that the sensor's readings correlated with increased neuron firing activity.
MIT scientists have developed 3D-printed plasma sensors that can be produced for tens of dollars in a matter of days, ideal for CubeSats. The sensors use a glass-ceramic material and can withstand wide temperature swings, measuring energy and conducting chemical analyses to predict weather or monitor climate change.
Researchers developed an on-chip spectrometer and silicon nanowires to extract light's angle, spectrum, and other aspects, enabling multimodal imaging. The advancements could enhance autonomous vehicles' vision, biomedical imaging, and telescopes' ability to see through interstellar dust.
Researchers developed smart textiles that sense wearer's posture and motions using a novel fabrication process called thermoforming, which improves pressure sensor precision. The technology has potential applications in healthcare and rehabilitation, such as tracking gait or monitoring pressure on diabetic patients' feet.
Researchers at Oak Ridge National Laboratory demonstrate a system that can detect propane leaks within seconds, alerting emergency services. They also study the secrets of silicon deposits in plants to enhance soil carbon storage. Additionally, they assess the viability of retrofitting untapped dams for hydropower electricity generation.
The university's latest satellite, SCOOB-I, orbits the Earth with advanced payloads, including a small Earth imaging camera and a solar spectrum sensor. The mission provides valuable insights into the Sun-Earth connection and its impact on climate, marking NTU Singapore's leadership in the growing space industry.
The MedSENS instrument measures body temperature, heart rate, and oxygen saturation from the ear canal using innovative sensors. It has been tested in harsh environments and proven to be easy to use, with its data transmitted wirelessly to other devices.
A newly developed wearable sensor patch worn on the neck may predict concussion risk in high-impact sports like American football or judo. The device detects sudden neck strain, such as whiplash, and has shown a strong positive correlation with results from sensors inside a test dummy.
A team of researchers from Kyushu University has developed an olfactory sensor capable of identifying individuals by analyzing the compounds in their breath. The system, combined with machine learning, achieved an average accuracy of over 97% in authenticating up to 20 individuals.
A Quebec research team has successfully synthesized carbon quantum dots from brewery waste, offering a biocompatible alternative to traditional materials. The eco-responsible approach uses microbrewery waste as a source material, reducing the need for pure chemicals and toxins.
Researchers have developed innovative tests for multiple chemicals using plant-based molecules that can detect synthetic cannabinoids and banned pesticides. The system uses a simple and inexpensive approach to quickly signal the presence of nearly 20 different chemicals.
Researchers at MIT have developed a method to enable quantum sensors to detect any arbitrary frequency without losing nanoscale spatial resolution. The new system, called a quantum mixer, injects a second frequency into the detector using microwaves, enabling detection of signals with desired frequencies.
Researchers at University of Texas at Austin and Texas A&M have developed an electronic tattoo that can deliver continuous blood pressure measurements with accuracy exceeding most available options. The device uses graphene bioimpedance analysis to take precise readings, promising a significant improvement in mobile health monitoring.
Researchers at Ural Federal University created a sensor to detect human saliva pH levels using a reusable, non-toxic fluorophore. The sensor can pick up small fluctuations in pH and provides accurate results in just 5-7 seconds.
Researchers have developed an electric nose using porous metal-organic framework films to distinguish between xylene isomers in mixtures. The MOF-based e-nose achieved 86% and 96% accuracy for detecting xylene at low concentrations, paving the way for improved environmental monitoring and diagnostic health testing.
A team of physicists has developed a way to perform high precision measurements without relying on special entangled states of light. The breakthrough uses ring resonators, which can be mass manufactured using standard processes, and enables the creation of chip-scale photonic sensors operating at the quantum limit.
Researchers at Karolinska Institutet have developed nano-sensors that can detect pesticide residues on fruit surfaces in just five minutes. The sensors use flame-sprayed nanoparticles made from silver to increase the signal of chemicals, overcoming high production costs and limited batch-to-batch reproducibility.
A new study presents a self-powering smart pillow that tracks head movement during sleep using triboelectric nanogenerators. This system could improve the accuracy of sleep monitoring and have uses beyond tracking sleep, such as monitoring patients with cervical spondylosis or detecting early warning signs for falls.
The MIT team developed wavelength-induced frequency filtering (WIFF), a novel photonic technique that dramatically improves fluorescent sensor signals. This allows for the implantation of sensors as deep as 5.5 cm in tissue, enabling applications such as tracking specific molecules inside the brain or monitoring drug effects.
Researchers at Northwestern University unveiled a new smart pacemaker that harmlessly dissolves in the body after use. The device communicates with a coordinated network of wearable sensors to continuously monitor physiological functions and autonomously detect abnormal cardiac rhythms.
Researchers from the University of Helsinki used new techniques to observe tree hyraxes in Kenya's Taita Hills, finding that they are social animals with specific habitat preferences. The study estimated a population size of no more than 2,000–4,000 individuals, shedding light on the behavior and conservation of these unique mammals.
Researchers developed an approach to predict shooter localization accuracy using geometric considerations, sensor characteristics, and urban environment. The prediction is represented as an ellipse-shaped area around the true shooter location, with smaller areas indicating higher accuracy.
Scientists at Osaka University have invented a flexible sheet sensor that can detect changes in water temperature and presence of contaminants without disrupting the flow. The technology uses an embedded carbon nanotube film as a photodetector layer, enabling continuous monitoring and non-disruptive sampling.
A new nanosensor platform uses machine learning to analyze spectral signatures of carbon nanotubes for early detection of ovarian cancer. The approach detects biomarkers and recognizes the cancer itself, offering a promising alternative to traditional methods.
A new study by Dr. Marin Marinov at Aston University proposes three solutions to make train commuting less stressful: purchasing tickets on smartphones, removing ticket gates and installing sensors, and implementing one-way flow systems in station concourses. These changes could reduce queuing times and promote social distancing.
Researchers at Singapore University of Technology and Design developed a new machine learning approach to model underwater robot dynamics, allowing for efficient swimming in complex environments. The approach, published in IEEE-RAL, uses deep neural networks to predict required flapping motions for a set of given propulsive force targets.
A new sensor technology allows for real-time monitoring of lactate levels in the brain, providing insights into energy metabolism and potential applications in cancer detection. The sensors corrected for hemodynamic artifacts using MRI-informed corrections enable accurate cell-specific lactate level recordings.
Researchers have developed a full-set wireless self-powered ammonia leakage monitor system for ammonia-energy ships, which includes a honeycomb triboelectric nanogenerator-based power generation system and a carbon nanotube doped polypyrrole-based ammonia detection system. The system exhibited good performance with low detection limits...
A flexible sensor embedded in a diaper measures multiple components in urine, sharing results over Bluetooth for fast bedside analyses. The technology has potential to provide quick and painless urinalysis for incontinent, elderly or infant patients.
Researchers have created a wearable sensor for plant leaves that wirelessly transmits data to a smartphone app, allowing for early detection of water loss and remote monitoring of drought stress. The device has the potential to save resources and increase yields by providing reliable data on plant health.
A new study suggests that a wearable sensor can detect the gases released from a person's skin to monitor biomarkers related to metabolic disorders. The technology has the potential to track long-term changes in metabolic rates and could also be used to detect signs of liver disease.
Researchers at UBC create ionic skins made of flexible hydrogels that use ions to carry an electrical charge. These hydrogels can generate voltages when touched, producing a piezoionic effect that allows them to detect pressure and other stimuli. The technology has potential applications in prosthetics, wearable sensors, and body impla...
Osaka University researchers have created a nanocellulose paper semiconductor with 3D network structures that can be tuned for use in various sustainable electronic devices. The treatment process allows for heat-induced conductivity without damaging the nanostructure, enabling flexible macro-scale structures and detailed designs.
Researchers have developed a sensor made of sapphire fibre that can withstand temperatures over 2000°C, enabling significant improvements in efficiency and emission reduction in aerospace and power generation. The technology has potential applications in space and fusion power industries.
A novel solution uses ultrasonic technology to detect critical form of lubrication between a railway wheel and the track, reducing maintenance costs and improving safety. The automated vehicle-mounted system will communicate presence and absence of lubrication to Network Rail.
Researchers have developed a rapid COVID-19 test that uses molecularly imprinted polymer nanoparticles to detect SARS-CoV-2. The new test is more sensitive and works under extreme conditions than existing antibody-based tests, with preliminary results indicating it can detect a 6,000-times lower amount of the virus.
Researchers developed innovative smart sensors to test new vaccines, revealing significant discrepancies between subjective self-reports and objective measurements. The study found that side effects escalate over the first 48 hours and then stabilize, with parameters returning to pre-vaccination levels.
The UGA team developed a rapid test for COVID-19 with high sensitivity and specificity, detecting the spike protein of SARS-CoV-2. The test has a detection time of less than 10 minutes and can detect all COVID-19 variants.
Researchers found that quantum error correction can distort the output of quantum sensors and lead to unphysical results due to non-commuting actions. However, they provide procedures for restoring correct results through post-processing and devising ideal sensing protocols.
A new e-nose prototype, NOS.E, can distinguish between six whiskies by brand names, regions, and styles in under four minutes, with 100% accuracy for region detection and 96.15% for brand name identification. The technology has applications beyond whisky, including counterfeiting detection in perfume and wine.
Researchers developed a foldable sensor sheet using kirigami principles, enabling wearable devices to conform to the human body and detect electrocardiographic signals. The sensor measures 200 square millimeters and can accurately relay heart data across multiple people, making it suitable for early diagnosis of disease.
A team of researchers has developed a MEMS scanning lidar that can detect objects reliably even in shaky environments. The long-range MEMS lidar prototype uses a digital controller to suppress errors caused by vibrations, allowing for stable 3D imaging and object detection.
Physicists at the University of Innsbruck have developed a programmable quantum sensor that can measure with even greater precision, using tailored entanglement to optimize performance. The sensor autonomously finds its optimal settings through free parameters, promising a significant advantage over classical computers.