Articles tagged with Biosensors
Researchers developed a new method to amplify weak bioelectronic signals using OECTs, enabling highly sensitive and low-power biosensors for health and environmental monitoring. The technique overcomes previous challenges in integrating fuel cells with electrochemical sensors.
Researchers at Caltech developed a DNA origami-based approach to create reusable, multifunctional biosensors for quickly detecting proteins in bodily fluids. The system uses a lilypad-like structure with short DNA strands to bind to molecules of interest, allowing for the detection of larger molecules such as large proteins.
Researchers at the University of Oulu are developing molecular biosensors that can detect single biomolecules at the cellular level, enabling early disease diagnosis and treatment. The project aims to create sensors that mimic artificial cells using nanosensors and Raman spectroscopy.
Researchers at Queensland University of Technology have developed a novel biosensor that can selectively detect rare earth elements. The biosensor is based on molecular nanomachines engineered by the team, which produce easily detectable signals when binding to lanthanides.
Researchers have developed a technique for inkjet printing arrays of special nanoparticles that enables the mass production of long-lasting wearable sweat sensors. These sensors can monitor various biomarkers in real-time, providing patients and physicians with continuous insights into their health.
Researchers developed new materials to facilitate electron transfer between enzymes and electrodes, improving biosensor performance. This innovation enables accurate measurements for disease diagnosis, environmental monitoring, and sustainable energy technology.
A novel method called electrochemical-SAXS (EC-SAXS) reveals the structural changes in redox enzymes when they switch between reduced and oxidized states. The study improves our understanding of enzyme mechanisms, paving the way for enhanced bioelectrochemical device performance.
A team of scientists developed a computational design tool called SPaDES to create new membrane receptors that outperform natural counterparts. The new receptors were designed by optimizing water-mediated interactions, resulting in higher stability and signaling efficiency.
Researchers at Binghamton University have developed a new paper-based biosensor system that uses bacterial spores to monitor glucose levels in sweat, eliminating the need for finger-stick devices. The system is shelf-stable, self-replicating, and can endure harsh environments, making it a promising alternative for diabetes management.
G protein-coupled receptors can form heteromers, affecting ligand binding properties and downstream signaling pathways. Recent advances in live cell imaging techniques provide crucial information on physical interactions in GPCR heteromers.
Researchers from Okayama University create nanodiamonds with nitrogen-vacancy centers, exhibiting strong fluorescence and stable spin states for biological applications. The developed nanodiamonds have improved spin quality compared to bulk diamonds, making them suitable for bioimaging and quantum sensing.
Scientists have developed genetically encoded biosensors to measure the ratio of NADPH to NADP⁺ in real-time, revealing new insights into cellular detoxification and protective function.
A recent study develops a physicochemical approach to optical biosensing using 1DZnO nanostructures, enabling rapid CYFRA 21-1 testing within a 5-minute detection window. The developed biosensors have the potential to provide accurate and reliable results in complex matrices like saliva.
Researchers at the University of Jena have developed a method to functionalise graphene without interference, allowing for ultrasensitive detection of biomarkers. This breakthrough enables rapid, cost-effective diagnostics using graphene-based field-effect transistors.
A new optical biosensor can detect the monkeypox virus within two minutes, allowing for rapid diagnosis and treatment. The technology has the potential to curb the spread of mpox and prepare for future pandemics, especially in countries with sparse healthcare resources.
LMU researchers have developed a general, modular strategy for designing sensors that can be easily adapted to various target molecules and concentration ranges. The sensor uses a DNA origami scaffold, which consists of two arms connected by a molecular hinge, allowing for significant acceleration in diagnostic tool development.
The new biosensor detects symmetric dimethylarginine in urine, providing a more accurate indicator of kidney health than creatinine. It can identify mild kidney impairment and offers a reliable alternative to blood tests, enabling timely interventions and potential long-term outcomes.
A full textile energy grid can be wirelessly charged, powering wearable sensors, digital circuits, and even temperature control elements. The system uses MXene ink printed on nonwoven cotton textiles, demonstrating its viability for integrated textile-based electronics.
A UMass Amherst-led team has developed a sensor to detect sodium ions in breastmilk, a biomarker of elevated mammary permeability and potential milk supply issues. The device provides highly sensitive readings inexpensively and quickly, with results delivered in three minutes and costs just $1 per test.
Researchers identified key aspects of how neurons integrate information over seconds, a timescale consistent with behavior. They found that CaMKII is an instructive signal for this process, but does not define synapse specificity, revealing a broader time window for synaptic plasticity.
A research team developed an RNA-based sensor platform that can regulate gene expression in bacteria, mimicking natural biological interactions. The START platform enables tunable control over sensor response and detection of various molecules, including drugs and proteins.
Researchers found that serotonin release scales with the value of rewards, indicating its role in monitoring reward quality. The study used a new biosensor to measure serotonin levels in mice receiving varied concentrations of evaporated milk as rewards.
Researchers have developed a new biosensor that can detect different physiological signals and brightly illuminate them in far-red light. The sensor, called WHaloCaMP, was created by Helen Farrants after she successfully re-developed an earlier version of the protein biosensors to carry out their original intention.
The new diagnostic test system combines a field-effect transistor with a paper-based analytical cartridge, achieving over 97% accuracy in measuring cholesterol levels. This innovation has the potential to transform at-home testing and diagnostics with its high sensitivity, low cost, and machine learning capabilities.
Researchers create silver nanoparticles infused with azithromycin that effectively break down biofilms and unveil a new sensing method to assess antimicrobial activity. The novel approach offers a promising solution against antibiotic-resistant bacteria, with potential applications in coating medical devices.
A novel synthetic biology platform enables rapid and cost-effective transformation of protein binders into high-contrast nanosensors for various applications. The platform uses fluorogenic amino acids to increase fluorescence up to 100-fold, enabling the detection of specific proteins, peptides, and small molecules.
Researchers have developed an integrated optical sensor capable of detecting dopamine directly from unprocessed blood samples. This breakthrough enables low-cost and efficient screening tools for various neurological conditions and cancers.
A new biosensor prototype can measure biomarkers for heart failure in saliva, promising a more accessible and affordable way to screen for the condition. The device, which resembles a COVID-19 test, could enable people with limited access to medical facilities to check on their health regularly.
Researchers at Tufts University developed a nanomanufacturing approach using water as the primary solvent, reducing environmental impact and opening doors to hybrid electronic-biological devices. The method uses silk fibroin as a surfactant to enhance water's ability to coat surfaces evenly.
Researchers at the University of Cambridge have discovered that gibberellin hormone plays a crucial role in integrating light signaling and stem growth in plants. Using advanced biosensors, they found that gibberellin levels are higher in longer cells and that a specific enzyme called GA20ox1 produces a gradient that controls cell elon...
Researchers at the University of Cambridge have discovered that the plant hormone gibberellin is essential for legume nitrogen-fixing root nodule formation and maturation. The study used a highly sensitive next-generation biosensor to visualize GA accumulation in specific zones of the root, revealing its critical role in nodulation.
A new technological breakthrough has enabled scientists to visualize opioid signaling in the brain in real-time, providing a deeper understanding of how opioids affect the brain. This breakthrough has opened up new avenues for developing more effective and safer therapeutics for pain management and mental health disorders.
The team created microbeads that emit various colors of light depending on the illuminating light and bead size, offering a wide range of applications. The use of plant-derived materials allows for low-cost and energy-efficient synthesis, making them an attractive alternative to conventional luminescent devices.
Researchers have developed a novel metasurface platform with aggregation induced emissions (AIE) biosensors to enhance human serum albumin detection in urine tests. The system improves readings and reduces consumption, making large-scale surveys more accessible.
The Luxembourg Institute of Science and Technology is developing affordable gas sensors for environmental monitoring and occupational safety. The €8 million AMUSENS project aims to create portable, cost-effective sensors using nanotechnology and artificial intelligence.
Researchers discovered that plants employ ABA to close stomata, obstructing spider mites' entry points and significantly reducing pest damage. The closure of stomata also coincides with the production of ABA, a hormone linked with drought response.
Researchers at the University of Washington have solved a long-standing chemical mystery in organic electrochemical transistors (OECTs), which allow current to flow in devices like implantable biosensors. The study reveals that OECTs turn on via a two-step process, causing a lag, and off through a simpler one-step process.
The Lundquist Institute has been awarded a four-year, $2.6 million grant to develop wearable multiplex biosensors that can monitor exacerbation risk in COPD. The proposed sensors have the potential to revolutionize COPD management and transform chronic disease management by providing real-time, non-invasive monitoring.
A handheld device developed by Osaka Metropolitan University's team can detect multiple bacterial species within an hour, including disease-causing E. coli and salmonella. The sensor uses organic metallic nanohybrids to distinguish electrochemical signals on the same screen-printed electrode chip.
Optical microcavities empower biochemical sensing by increasing photon lifetimes and optical field energy density, fostering enhanced sensitivity. Recent advancements have led to breakthroughs in detecting biomacromolecules, cells, and solid particles, with emerging development trends outlined.
A new material has been developed with adaptive durability, meaning it becomes stronger and more conductive when subjected to impact or stretching. The material's conductivity is also improved by adding a small amount of PEDOT:PSS, making it suitable for wearable devices and personalized medical sensors.
Researchers at UT Austin develop tools using AI and biosensors to harness microbes for faster drug production, potentially creating a reliable supply of galantamine. The innovative approach uses genetically modified bacteria to produce a chemical precursor of the medication.
Researchers developed protein-based microcapsules to enhance aptamer sensors, enabling direct detection of target molecules in biological samples. The system demonstrates robust protection against harmful proteins and simultaneous real-time sensing of multiple targets.
Scientists have discovered that the bat brainstem processes echolocation and communication calls differently, with a stronger response to less frequent calls due to better neural synchronization. The findings may also be relevant to medical applications in humans, such as understanding diseases like ADHD or schizophrenia.
Researchers developed a portable, droplet-based millifluidic device to monitor patients in the critical first days after surgery. The device measures drainage fluid's alpha-amylase activity in real time, reducing test duration from six hours to two minutes.
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.