Articles tagged with Biosensors
Researchers developed a biosensor to measure hypoxanthine levels in meat, indicating freshness. The sensor achieved over 98% accuracy and was demonstrated on pork tenderloins.
Researchers have developed a hand-held biosensor that can detect breast cancer biomarkers from saliva with high accuracy and efficiency. The device is portable, reusable, and cost-effective, making it an excellent choice for communities or hospitals without access to advanced technologies like MRI.
A research team at Helmholtz-Zentrum Dresden-Rossendorf develops a new approach for fast and cost-effective pathogen detection using miniaturized biosensor devices and systems. The system can simultaneously carry out up to thirty-two analyses of one sample, offering significant advantages over traditional electronic FET-based biosensors.
University of Texas at Dallas researchers have developed a first-of-its-kind, handheld electrochemical sensor that can accurately detect fentanyl in urine within seconds. The device detects even trace amounts of fentanyl with 98% accuracy and could be used to test for the drug in saliva, helping first responders make treatment decisions.
Researchers at UMass Amherst develop graphene-based tattoos to measure cortisol and other biomarkers in sweat. The technology has the potential to provide insights into overall health and serve as a tool for early disease detection, enabling personalized healthcare.
Researchers at Ruhr University Bochum have identified molecules that block CO2 receptors in fruit flies, leading to potential insect repellents. The team's findings could also enable the development of a CO2 biosensor for detecting volatile substances.
The University of Rochester is establishing a new NIH-funded center focused on developing FDA-qualified drug development tools related to barrier functions in disease. Researchers will create microphysiological systems with ultrathin membranes of human cells, aiming to reduce animal trials and improve drug efficacy.
A team of scientists identified VAP as a molecular anchor that stabilizes mitochondria near synapses in dendrites, supporting memory formation and plasticity. The discovery links VAP to ALS-linked protein and suggests that mitochondrial stabilization is critical for neuronal function and health.
A study of 70 autistic youths in psychiatric hospitals found wearable biosensing and machine learning can identify impending aggressive behaviors. The findings suggest a potential for developing adaptive intervention systems to prevent aggression.
Researchers have developed a device that detects glucose and adenosine monophosphate biomarkers in saliva with high sensitivity, enabling easy at-home health monitoring. The electrochemical aptamer-based biosensor is simple, accurate, and stable, making it suitable for use without laboratory equipment.
A study is being conducted to assess the workload in collegiate dancers, examining objective physical activity demands and subjective self-reported perceptions of physical and mental workload. The findings could highlight the importance of healthcare access to reduce injury risk and improve performance in this underserved population.
Researchers at Texas A&M University have developed a miniature, injectable glucose biosensor and wearable device that enables user-friendly, minimally-invasive continuous glucose monitoring. The device addresses challenges associated with existing CGMs, including size and skin tone compatibility.
Researchers developed a handheld, wireless biosensor to detect Alzheimer's and Parkinson's biomarkers from saliva and urine samples. The device has shown high accuracy comparable to existing state-of-the-art methods.
Researchers at Xi'an Jiaotong-Liverpool University have developed a sensitive and robust pH sensor that can detect pH variation in just a few microliters of samples. The new sensor uses novel materials and methods to overcome the current method's limitations, which are not sensitive enough or fragile for commercial-scale use.
Researchers from Ritsumeikan University developed a low-cost, self-powered biosensor for monitoring organic wastewater in freshwater lakes and rivers. The biosensor uses a microbial fuel cell to detect the level of organic contamination in water samples, providing an early warning system for water quality management.
Researchers discovered a wide range of organisms, including microbes and humans, exhibit similar movement patterns to navigate their surroundings. These patterns are thought to be linked to uncertainty management in the brain.
Researchers developed 'acoustic touch' smart glasses that translate visual information into distinct sound icons, enhancing the ability of blind or low-vision individuals to navigate their surroundings. The technology significantly improved object recognition and reaching abilities, empowering independence and quality of life.
Researchers at UC Riverside successfully engineered a plant to turn beet red in the presence of a banned pesticide, enabling an environmental sensor without damaging its native metabolism. This breakthrough opens up possibilities for detecting other toxic substances like drugs and birth control pills in water supply.
Researchers at Gwangju Institute of Science and Technology (GIST) have developed a deep learning-based biosensing platform called DeepGT, which can accurately quantify nanoscale bioparticles, including viruses. The platform harnesses the advantages of Gires-Tournois biosensors and AI to refine visual artifacts and extract relevant info...
A University of Maryland research team is developing a portable bio-nose device capable of identifying complex odors. The team has successfully created an insect-based cell line that can sense odors, and is now studying its responses to different liquids.
A new electroenzymatic assembly transduction strategy-based biosensor has been developed for simultaneous detection of glucose, lactate, and cholesterol in clinical samples. The sensor exhibits high sensitivity and efficiency, with a detection time of under 30 seconds, and good agreement with laboratory results.
Chung-Ang University researchers create an electrochemical DNA biosensor that detects HPV-16 and HPV-18 with high specificity, facilitating early diagnosis of cervical cancer. The sensor uses a graphitic nano-onion/MoS2 nanosheet composite to enhance conductivity.
Researchers at UC Santa Cruz have created a device that mimics biological channels to detect biomolecules indicative of human disease. The bioprotonic system uses electrical currents of protons to translate biomolecule presence into electronic signals, with potential applications for in-vitro and clinical settings.
Researchers have engineered bacteria that can detect tumor DNA in a live organism, using CRISPR technology. The bacteria, Acinetobacter baylyi, were designed to respond to specific DNA sequences associated with cancer, allowing for early detection and potentially preventing disease progression.
Researchers at Johns Hopkins University have developed nanoscale tattoos that can stick to live cells, allowing for the first time to monitor and control individual cell health in real-time. This technology bridges the gap between living cells and conventional sensors, enabling early disease diagnosis and treatment.
Research reveals a local mechanism in neurons that enables insulin-like growth factors to facilitate brain plasticity. IGF release is necessary for activating the IGF1-Receptor during synaptic plasticity, leading to neuron growth and strengthening.
Researchers at Washington University have developed a breath test that can quickly identify those infected with COVID-19, providing accurate results in under a minute. The device uses an electrochemical biosensor to detect the virus, which has potential applications for use in doctors' offices and public events.
Researchers at MPFI discovered Protein Kinase C delta's (PKCd) role in regulating cell-wide gene expression through synaptic plasticity. The study found that PKCd activates biochemical reactions that spread throughout the neuron, influencing gene transcription and memory formation.
Researchers developed modular optical sensors capable of detecting viruses and bacteria using fluorescent carbon nanotubes with DNA anchors. The sensors showed high reliability and selectivity in detecting SARS-CoV-2 protein, offering advantages for complex environments and future diagnostic applications.
A new device, pioneered by Anqi Zhang, can record brain activity without harming neural tissue, using the passageways of blood vessels. This innovation overcomes previous limitations, enabling precise recording from individual neurons in living animals.
A mouse study using novel biosensing technology reveals that enriched environments increase neural connections and boost brain function. The findings could lead to new AI methods inspired by brain plasticity.
Researchers created a real-time air monitor that can detect SARS-CoV-2 variants in about 5 minutes, with potential applications for hospitals, schools, and public places. The device uses an ultrasensitive biosensing technique and aerosol sampling technology to quickly identify airborne virus concentrations.
Researchers at Tokyo University of Science developed a novel wearable biosensor that can monitor sweat electrolyte levels, providing insights into the body's electrolyte balance. The sensor can be seamlessly applied to textiles and transmits measurements wirelessly.
Researchers at Sainsbury Laboratory Cambridge University have found a shoot-to-root signalling pathway triggered by dry air, which tells roots to continue growing and searching for water deeper in the soil. This pathway allows plants to maintain root growth despite reduced photosynthesis and humidity.
The researchers have demonstrated significant improvements for chip-based sensing devices that can detect or analyze substances across widely varying concentrations. They developed signal-processing techniques that enable seamless fluorescence detection of a mixture of nanobeads in concentrations across eight orders of magnitude.
Researchers have developed a three-dimensional mesoporous biosensing-membrane with neighborhood nanostructures, exhibiting excellent sensitivity and long-term stability. The membrane uses a ternary coating to assemble Prussian blue and glucose oxidase, improving cascade reaction efficiency and sensing stability.
Researchers developed a biofuel cell on a chip that measures blood glucose levels using a few microliters of blood. The sensor generates an electrical signal based on the enzyme's reaction with glucose, providing accurate readings using general-purpose devices like smartphones.
A novel method combines biosensors and microfluidics to quickly identify mutant bacterial strains that produce industrially useful proteins. The approach enables the extraction of high-performing strains in a fraction of the time required by traditional methods.
Researchers have developed a novel computational approach to design protein-peptide ligand binding complexes that can trigger complex cellular responses. The new biosensors can sense flexible compounds and provide optimal sensing of molecular signals, potentially leading to improved therapeutic applications.
Researchers developed a living yeast-based dual biosensor that can detect peptide variants with a visible readout, enhancing the capabilities of their original biosensor. The new sensor can distinguish between specific peptide variants using a protease-cleaving catalytic enzyme.
Researchers developed an electronic biosensor using DNA aptamers to detect biomarkers in whole blood samples. The biosensor successfully detected clinically relevant levels of a marker protein for cardiovascular disease without further sample preparation.
Researchers developed a wireless bioresonator using parity–time symmetry to detect minute biological signals, achieving 2000-fold higher sensitivity than conventional systems. The biosensor can measure glucose concentrations ranging from 0.1 to 0.6 mM and lactate levels up to 4.0 mM.
The University of Technology Sydney has developed a brain-computer interface technology that allows users to control devices such as robots and machines using only their thoughts. The technology has been successfully tested in various environments, achieving high accuracy rates of up to 94%. It also has significant potential in fields ...
A new study develops an algorithm to decode the coordinated regulation of cell-edge velocity by Rho GTPases, revealing specific characteristics of each enzyme. The model predicts edge velocity from activity time series with high accuracy.
A new molecular testing device has been developed to identify individuals with high hypnotizability, who are most likely to benefit from hypnosis interventions for pain treatment. The test detected a subset of highly hypnotizable individuals with high levels of postoperative pain.
Researchers at Pusan National University have developed a novel FRET-based biosensor to detect double-strand breaks in DNA, providing real-time information on γH2AX. The sensor's sensitivity is higher than conventional immunostaining techniques, making it useful for identifying DNA damage factors and elucidating repair mechanisms.
Researchers at Shenzhen University have developed a compact fiber optical nanomechanical probe (FONP) to measure in vivo biomechanical properties of tissue and even single cells. The high-precision mechanical sensing system enables accurate measurements with spring constants as low as 2.1 nanonewtons.
Researchers from Northwestern University have developed a new biosensor device that accurately detects toxic levels of fluoride in water, allowing for easy use outside of a lab. The device has been field-tested in rural Kenya, showing excellent accuracy and usability results.
A synthetic biosensor created at Cornell University enables the study of proteins in ways previously impossible, leading to potential applications in drug development and environmental sensing. The system uses cell-free synthesis to produce proteins directly into an artificial membrane, allowing for dual optical and electronic readouts.
A new DNA biosensor developed by NIST, Brown University, and the French government-funded research institute CEA-Leti boasts accurate and inexpensive design. The modular device can measure biomarkers in a scalable and high-sensitivity manner.
Researchers developed peptide-based olfactory receptors on graphene surfaces to detect odor molecules. The new system showed highly selective and sensitive detection of various odor molecules, including limonene, menthol, and methyl salicylate.
Researchers at Tohoku University developed a microelectronic fiber that can analyze electrolytes and metabolites in sweat, enabling wearable bioelectronics for monitoring biochemical signatures. The breakthrough smart fabric has the potential to provide greater versatility in functions, larger sensing areas, and greater comfort.
Researchers at Tufts University develop biopolymer-based sensors that can detect bacteria, toxins, and chemicals in the environment. The sensors glow when dangers are present and can be printed on a wide range of materials, including wearable items and food jars.
A cross-disciplinary team at Northwestern University has developed a sensor platform that can detect environmental contaminants like fluoride in real-world samples. The team used an established riboswitch to build a biosensor for fluoride, encapsulating the sensor inside a fatty membrane to protect it from contaminants.
Researchers developed biosensors to measure real-time energy changes in plant cells, revealing the bioenergetics of pollen tube growth. The study found that mitochondrial respiration is a main source of cytosolic ATP, while plastid glycolysis supplies plastid ATP.
Researchers from Osaka University developed a new fluorescent sensor system to visualize N-cadherin-mediated interactions between living cells. The INCIDER system enables accurate tracking of temporal changes in these interactions, with a fluorescence signal 70 times stronger than existing methods.
Researchers developed a FRET-based biosensor SMART to visualize necroptosis in living mice, enabling monitoring of this form of regulated cell death in various pathological models. The study successfully characterized necroptosis in vivo using transgenic mice with the FRET biosensor.
A new portable device can detect the low-intensity light emission from healthy plants, allowing researchers to measure their health and sustainability. This technology can help assess the impact of CO2 emissions, greenhouse gases, and extreme weather events on plant stress and inform strategies for sustainable agriculture.
Researchers developed a disposable, fast, and reliable biosensor system to detect putrescine in beef samples, improving food safety. The system uses cell-free protein synthesis and is designed to be consumer-friendly, empowering individuals to check the quality of their food.
Researchers at KAUST have developed a soft and flexible electronic 'e-skin' that can detect minute temperature differences between inhalation and exhalation, as well as touch and body motion. The material's island-bridge atomic structure provides an inherent softness and flexibility ideal for on-skin applications.