Articles tagged with Biosensors
A new wearable sticker system has been developed to simplify diagnostic sweat testing for cystic fibrosis, a genetic disorder affecting digestion and breathing. The innovative technology is reliably accurate and makes the test more accessible beyond specialized centers.
Researchers developed a new formula for a hydrogel that can be printed in any shape or size, adhering to skin even when sweaty or hairy. The hydrogel also improved durability and electrical conductivity by adding graphene-based nanomaterials, making it a more potent sensor
Researchers developed a soft, stretchable antenna that can maintain stable wireless connections even during movement. The antenna's design allows it to compensate for changes in shape and size, enabling wearable devices to track vital signs continuously and reliably.
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.
A new bio-based conductive hydrogel platform is presented to preserve biomembrane activity and enable sensitive detection of organophosphate pesticides. The developed biosensor demonstrated stable operation, retaining 85.8% of its original electrochemical response after seven days.
A new study published in BME Frontiers has developed a biomimetic taste sensor capable of recording electrical activity from taste buds in real-time. The 3D MEA design enables full spatial coverage, revealing how caffeine drastically boosts cellular excitability and alters flavor perception.
Researchers at the University of Illinois Chicago have developed a new imaging method that allows scientists to see previously hidden enzyme activities in small regions across the whole cell. The technique, dubbed Fluctuation Increase Negated by Intra-Chain (FINICI), flips the optical readout of negative biosensors into positive, reada...
Researchers at Terasaki Institute develop a wireless dual-compartment biochemical monitoring platform for real-time tracking of key biomarkers in perfusion fluid and bile during normothermic machine perfusion. The study shows improved interpretation of post-transplant outcomes with combined bile and perfusate data.
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.
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 UCF developed a new technology to improve the performance of vibratory sensors, which convert vibrations into electronic signals. The SHIELD project aims to create more reliable sensors that can withstand harsh environments, enabling applications such as navigation systems and aerospace systems.
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.
A new study transforms agricultural waste from lavender straw into a highly sensitive biochar-based sensor for ethylene glycol detection. The sensor material exhibits exceptional room-temperature performance, a low detection limit of 0.36 ppm, and long-term stability.
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.
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.
Scientists at Linköping University have developed artificial heart muscle cells using organic electronics, opening up new possibilities for prosthetics, heart implants, and sensors. The technology aims to harness the principles of effective electrical signaling in biological cardiac muscle cells.
Researchers developed a novel fluorescent nanosensor to detect IPA, an emerging biomarker linked to gut health and disease. The sensor offers rapid detection within minutes, distinguishing IPA from closely related metabolites, enabling accurate measurement even in complex biological environments.
Researchers introduce phosphonate ester groups into conductive polymer films to balance electronic charge transport and ion transport, improving OECT performance. The approach enables precise tuning of polymer properties without redesigning monomers.
Researchers at Binghamton University developed a system that enables users to monitor real plants in real-time using virtual reality. This technology makes farming more accessible for older adults and people with disabilities, allowing them to observe plants without physically being present.
Researchers have created biodegradable sensors that can monitor pesticide presence and other factors in plants. The sensors are made from carbon ink and cellulose acetate bioplastics, allowing for non-destructive and rapid detection of pesticides.
A research team at Postech has developed a next-generation laser emission platform capable of precise color control under battery-level low voltage. The technology achieves ultra-high color purity and continuous spectral tunability within a single device, overcoming limitations of conventional display light sources.
A pilot study demonstrates the feasibility of combining wearable devices, smartphone location data, and real-time surveys to capture individuals' environmental exposures and their immediate physical and emotional effects. The integrated approach reveals patterns in heart rate variability, mood shifts, and physiological responses linked...
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.,
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.