Biosensors
Articles tagged with Biosensors
"Breaking the limits of OLED: Postech achieves low-votage freely color tunable ultra-pure laser emission"
Smartwatches and GPS show promise for tracking environmental impacts on health in real time
Biomonitoring the Anthropocene: NY's East River becomes a living biosensor
A year-long study of NYC's East River used environmental DNA to reveal insights into urban wildlife activity, human food consumption and ecosystem health. The findings suggest that urban waterways can become continuous biosensors tracking biodiversity and habitat restoration outcomes.
Molecular quantum nanosensors reveal temperature and radical signals inside living cells
Researchers developed biocompatible molecular quantum nanosensors that operate inside living cells, enabling absolute temperature measurements with subcellular spatial resolution. The sensors also detect radical-related spin signals in the cytoplasm and nucleus of cancer cells.,
Seeing is believing: New probes reveal proteins inside living cells with unprecedented clarity
Researchers have developed a new molecular imaging technology that illuminates proteins inside living cells and animals far more clearly than before. The system uses engineered fluorescent nanobodies to reduce background noise by as much as 100-fold, enabling sharper visualization of protein location and dynamics.
Beyond silicon: the soft, dissolvable brain chips engineered to learn and vanish
Artificial synapses are built from soft, bio-friendly materials that operate like human brain synapses, merging data storage and computing into a single unit. Laboratory prototypes demonstrate immense capabilities, consuming energy on the scale of femtojoules.
New material makes heart monitoring tech more comfortable
Researchers created a new polymer electrode that conforms to the skin, is comfortable, and can pick up ECG signals without gel or adhesives. The technology performed comparably to existing sensors in proof-of-concept testing, showcasing its potential for practical and cost-effective health monitoring applications.
Terasaki principal investigator Dr. Yangzhi Zhu publishes smart contact lens for real-time IOP monitoring and closed-loop treatment delivery in Science Translational Medicine
Researchers at Terasaki Institute for Biomedical Innovation develop a smart contact lens that monitors intraocular pressure in real time and delivers treatment. The technology has shown promising results in preclinical models and aims to improve quality of life for patients with ocular diseases.
A fast method for measuring how well air disinfection works: See how it glows
Researchers at University of Michigan have developed a fast method to measure the effectiveness of plasma-based air disinfection, which can deactivate up to 99.9% of virus particles. The approach harnesses UV fluorescence to track changes in aerosol infectivity in real-time, providing essential information for public health guidelines.
New sensors lower the cost of studying genetic disorders
Researchers developed a new sensor called CAMEO to monitor electrical activity in human cerebral organoids, facilitating research into neurodevelopment and genetic disorders. The device is made of carbon nanotube strands, enabling low-cost and scalable monitoring.
Emotions in motion: How movement may signal mental health issues
A recent study published in Gait & Posture found that analyzing a person's walk and getting up from a chair can identify elevated depression and anxiety symptoms. The researchers used machine-learning models trained on data from participants' movements combined with information about their mental state, achieving high accuracy rates.
Why do seals whisk their whiskers?
Seal whiskers are highly sensitive, but the benefit of active whisking was unclear until new research revealed that it improves sensing. Seals keep their whiskers pulled back and actively move them to detect subtle water vibrations.
Advances in optical biosensors for pesticide detection
Optical biosensors offer promising solutions for rapid, portable, and on-site pesticide detection. Key biorecognition elements such as enzymes, antibodies, aptamers, and molecularly imprinted polymers enable high-selectivity detection and minimize environmental impacts.
Biosensor detects early fungal outbreaks, advances plant biotechnology
A new biosensor developed at Oak Ridge National Laboratory detects emerging fungal presence on plants at the molecular level, enabling rapid response to crop threats. The sensor identifies fungal outbreaks in near-real time, allowing for faster treatment and study of plant-microbe interactions.
PolyU research unveils mechanoelectrical perception in sea urchin spines, empowering next-generation biomimetic sensors
A research team led by Prof. Wang Zuankai has discovered the mechanism behind mechanoelectrical perception in sea urchin spines, which allows them to detect water flow instantly. The team has developed a bionic metamaterial sensor using gradient porous structure and 3D printing, holding promise for sensing technology breakthroughs.
Detecting Alzheimer's with DNA aptamers—new tool for an easy blood test
Researchers develop world's first DNA aptamer that binds to neurofilament light chain, a protein released into the blood with neurodegeneration. The aptamer, MN711, shows high affinity and specificity comparable to commercially available antibodies.
A novel soft biosensor with printable responsive hydrogel interfaces for detection and differentiation of blood circulation complications
A novel soft biosensor with printable responsive hydrogel interfaces was developed for precise detection and differentiation of blood circulation complications in postoperative free flaps. The biosensor achieved high adhesion and high-fidelity signal acquisition while exhibiting low adhesion after monitoring to avoid wound damage.
Eye-inspired artificial skin lets robots feel before they touch
The new dynamic shielding layer allows the sensor to focus on specific areas when needed, achieving a 104.56% increase in detection depth. The sensor can also detect approaching objects from over 90mm away, providing a vital split-second for robots to avoid collisions.
Listening to the body’s quietest, yet most dynamic movements
Researchers developed a wearable vibration sensor capable of detecting subtle body movements without external power, opening new possibilities for healthcare technologies. The sensor accurately captures physiological signals and detects extremely faint vibrations across a broad frequency range.
A hair-thin fiber can read the chemistry of a single drop of body fluid
Researchers developed a sensor that can detect the chemistry of a single drop of body fluid using a hair-thin optical fiber probe. The device measures electrical conductivity through an optical signal, allowing for stable and real-time measurements in small volumes.
Self-aware biosensors boost digital health monitoring
Researchers at KAUST developed a system that directly measures electrode integrity using digital signal quality evaluation between electrodes. This innovative approach enables accurate signal acquisition and detects early signs of contact degradation, improving the quality of health data recorded by wearable medical devices.
Printable enzyme ink powers next-generation wearable biosensors
Researchers have developed a printable enzyme ink that simplifies the mass production of enzymatic biofuel cells, paving the way for self-powered wearable sensors. The ink enables the creation of high-performance electrodes with minimal decay, suitable for real-world monitoring applications.
Microalgae-derived biochar enables fast, low-cost detection of hydrogen peroxide
Researchers developed a nickel-enriched biochar from marine microalgae that can detect hydrogen peroxide at low concentrations, with fast response times. The sensor's stability and sensitivity are improved by the uniform distribution of catalytic sites.
How the human exposome will unlock better health and medicine:
The Global Exposome Forum is a global initiative that aims to understand the complex interplay between biological, chemical, and environmental exposures and human health. The project has partnered with national governments, scientific institutions, and large membership-led organizations to advance exposomics science.
Upcycling genes: New platform breathes life into underperforming genetic parts
A research team has developed a 'SUPER' platform that utilizes synthetic small RNAs as add-on controllers for genetic switches. This technology enhances the performance and stability of gene regulatory devices by addressing the issue of 'leakage', where genes continue to express at low levels even in the 'OFF' state.
Tooling up to diagnose ocean health
A field-deployable CRISPR-based biosensing platform has been developed for rapid, on-site monitoring of marine species and ecosystems, offering a sustainable solution for tracking ocean health. The technology has the potential to detect critical species, predict outbreaks, and support early warning systems for ecosystem disruptions.
Incheon National University develop novel eco-friendly high-performance gas sensors
Researchers created eco-friendly, high-performance gas sensors with blended polymer films combining poly(3-hexylthiophene) and poly(butylene succinate). The sensors demonstrated stable performance and higher sensitivity to nitrogen dioxide and other gases.
Glowing bacterial sensors detect gut illness in mice before symptoms emerge
Researchers have engineered gut bacteria that dim their fluorescent glow in the presence of illness, allowing for early detection of gut conditions. The developed biosensor can provide continuous monitoring through stool samples and pick up subtle changes in gut health before symptoms develop.
Researchers develop soft biodegradable implants for long-distance and wide-angle sensing
Researchers created soft, biodegradable, wireless sensors that can monitor internal physiological signals from a distance. The new implant technology improves accuracy and robustness compared to existing devices, enabling deeper tissue monitoring without strict positional control.
First-of-its-kind probe monitors fetal health in utero during surgery
Researchers have developed a flexible, hair-like device that tracks vital signs of a fetus in real-time during surgery. This innovation provides continuous monitoring without invasive access, enabling faster interventions to prevent complications.
Turning sewage waste into a smart sensor for tracking antibiotic pollution
Researchers developed a low-cost, eco-friendly sensor using biochar from sewage treatment plant sludge to detect trace levels of trimethoprim in water and pharmaceutical samples. The device offers a sustainable way to monitor antibiotic pollution.
Chungnam National University team pioneers defect-free high-quality graphene electrodes
Researchers introduce a novel fabrication technique to create high-resolution, low-resistance graphene electrodes for transparent and flexible devices. The method achieves exceptionally low electrical resistance and high pattern fidelity without etching-induced defects or chemical contamination.
Rapid design of a highly specific iron sensor
Researchers developed a novel, computer-based method called CoBiSe to design and produce genetically encoded fluorescence-based biosensors for rapid and simple production. The new iron sensor 'IronSenseR' detects iron (II) with high sensitivity without binding to iron (III) or other metal ions.
Glow with the flow: Implanted 'living skin' lights up to signal health changes
A Japanese research team has developed a biohybrid approach that works inside the body, transforming engineered skin into a visible indicator of internal biological states. The system leverages the body's natural skin regeneration to support long-term biomarker monitoring, providing a visual readout without blood sampling.
New biosensor technology could transform how viruses are detected
A new review highlights major advances in aptamer-based biosensors for viral detection, offering faster, cheaper and more portable testing. These biosensors use short DNA or RNA strands called aptamers that bind to viruses with high precision.
Can an electronic nose detect indoor mold?
Researchers developed an electronic nose that can detect and identify two common indoor mold species using nanowires. The e-nose measures changes in electrical resistance to gas molecules interacting with a sensing material, proving its potential for fast and objective monitoring of indoor air quality.
Electrodes created using light
Researchers at Linköping University have successfully created electrodes from conductive plastics using visible light, eliminating the need for toxic chemicals. The technology allows for the creation of flexible electronics and biocompatible sensors on various surfaces, including skin.
Towards inclusive wearable sensors: Polarized light boosts accuracy of wearable health sensors for all skin tones
A newly developed wearable sensor uses polarized light to improve photoplethysmography (PPG) signal accuracy across different skin tones. The device splits light into two channels, detecting co-polarized and cross-polarized signals to filter out superficial scattering and capture stronger signals from deeper tissue.
Biosensor performance doubled – New applications possible
Researchers at TUM have developed a method to boost oxidase biosensor accuracy from 50% to 99%, paving the way for new uses in personalized medicine, AI-driven healthcare, and agriculture. This breakthrough could enable on-site adjustments to fertilization, reducing environmental impact.
New conductive hydrogel is as soft as the brain
Researchers at the University of Groningen have developed a new conductive hydrogel that is as soft as the brain, enabling biocompatible electronics. The gel's high sensitivity and flexibility make it ideal for continuous monitoring of vital signs in smart health devices.
Nanopores act like electrical gates
Biological nanopores have unique ability to control molecular transport but also exhibit complex behavior. Researchers found that electrical charges within the pore influence ion movement and gating occurs when a charge imbalance destabilizes the pore. This study offers way to fine-tune biological nanopores for specific tasks.
Sweat-powered sticker turns your drinking cup into a health sensor
Researchers at the University of California San Diego have developed an electronic sticker that monitors vitamin C levels using sweat from fingertips, providing a convenient and low-cost alternative to current methods. The system is battery-free and can be manufactured at a low cost, making it potentially disposable and widely accessible.
IOCB Prague unveils a fundamentally faster, more affordable way to produce quantum nanodiamonds
A new method allows for the creation of light-emitting quantum centers in nanodiamonds in just four minutes, yielding large quantities of high-quality material. The breakthrough enables industrial production of higher-quality and more affordable quantum nanodiamonds with applications in research and technology.
An aircell hydrogel for ultra-sensitive human-machine interaction
Researchers developed an ultra-sensitive hydrogel for human-machine interaction, achieving high-accuracy collaboration in remote surgical operations and virtual reality. The AirCell Hydrogel boasts a smooth surface and porous interior structure, allowing it to detect various human motions with exceptional accuracy.
UCF researchers developing new easy-to-use viral biosensor test, giving patients more accurate and immediate results
A team of UCF researchers is creating a single low-cost test to detect multiple viruses simultaneously, which may be used in resource-limited settings. The test has the potential to save lives by providing quicker and more accessible results.
Cellular railroad switches: how brain cells route supplies to build memories
Researchers found that Rab4 boosts neural connection strengthening while Rab10 decreases it, directing supplies to the surface of growing connections. This discovery may lead to new strategies for protecting memory in neurodegenerative conditions like Alzheimer's disease.
Researchers develop smarter menstrual product with potential for wearable health monitoring
A new menstrual cup has been developed with a flushable tablet made from seaweed-based material to hold menstrual blood and minimize spills. The product complements the existing Bfree Cup and has potential for wearable health monitoring capabilities.
New biosensor tracks plants’ immune hormone in real time
Scientists at the University of Cambridge have developed a pioneering biosensor that can detect and track salicylic acid dynamics in living plants. The SalicS1 tool provides fresh insights into how plants coordinate local and systemic defenses against pathogens, with potential applications for improving crop resilience and understandin...
Golden Broccoli: Utah biochemists create first single-dyed ratiometric biosensor for glycine imaging
Researchers have developed a new aptamer called Golden Broccoli that can detect glycine levels in living cells with high accuracy. The sensor uses a single dye and can be used to image glycine dynamics inside cells at single-cell resolution.
A coordinated dance between two proteins is essential for stronger brain connections
Researchers discovered a precise coordination between two proteins, BDNF and MMP-9, to strengthen specific brain connections. This mechanism is essential for learning, memory, and overall brain health.
Advancing monoclonal antibody biomanufacturing: using a novel label-free biosensing platform
Researchers developed a novel label-free biosensing platform to monitor cellular secretion of monoclonal antibodies in real-time. This approach enables rapid clone selection and cost-effective manufacturing of life-saving immunotherapies.
SwRI, UT San Antonio collaborate to advance smart biosensors for improved CAR T-cell production
Researchers are developing a novel smart coating to enable continuous monitoring of cells during CAR T-cell production, reducing production costs. The biosensor coating is expected to reduce human errors and costs associated with existing flow cytometry methods.
DGIST successfully developed “spraying like inkjet” technique to produce high-sensitivity biosensors
A research team at DGIST has successfully developed a drop-and-spread inkjet printing technique to fabricate high-sensitive biosensors. The technology enables precise sensor fabrication without expensive equipment, showing potential for early diagnosis and real-time monitoring of neurological diseases.
Don’t sweat it: New device detects sweat biomarker at minimal perspiration rate
Researchers developed a novel wearable sensor that can detect lactate biomarker in low-perspiration conditions, making it suitable for critically ill patients and athletes. The device, about the size of a standard band-aid, uses a granular hydrogel scaffold to collect sweat and identify lactate, showing accuracy within two hours.
Don’t sweat it: New device detects sweat biomarker at minimal perspiration rate
A novel wearable sensor can identify and track lactate in low-perspiration conditions, allowing for continuous health monitoring. The device, about the size of a standard band-aid, uses a granular hydrogel scaffold to absorb sweat and transport it to a microfluidic chamber where lactate is detected.
Bio-inspired, self-cleaning sweat sensors for comfortable wearable health monitoring
Researchers developed novel sweat sensors that mimic the microtexture of rose petals, enhancing stability, performance, and comfort. The sensors demonstrate a self-cleaning effect, reducing skin irritation and improving user comfort, making them suitable for wearable devices like smartwatches.
Catalyst-free ionogel turns bamboo to 11-MPa “super-skin” for IoT sensors
Researchers have developed a catalyst-free ionogel made from cellulose and an ionic liquid that exhibits exceptional strength and conductivity, outperforming synthetic analogues. The gel is also eco-friendly and low-cost, making it suitable for fully compostable high-performance electronics.
Crop monitoring system utilizing IoT, AI and other tech showcased at ASABE
The system tracks and analyzes crop development using data from sensors, biosensors, the Internet of Things, and AI. Strong security protocols ensure farmer data remains private and resilient against future quantum computer attacks. The research team plans to improve their system with faster sensor processing and a solar-powered battery.
Spinning up new flexible material for self-powered wearable sensors
A team at Penn State developed a new fabrication approach to create a flexible material for self-powered wearable sensors. The material, based on poly(vinylidene fluoride-trifluoroethylene), exhibits piezoelectricity and can generate electricity from motion.