Articles tagged with Biosensors
Researchers develop new technique to hyperpolarize and purify fumarate for MRI, offering cost-effective and convenient way to track metabolism in real-time. The method has potential applications in monitoring tumor responses to therapy and imaging acute kidney injuries.
Researchers at NIST and VCU have developed a new approach to building better 'nanopore' biosensors by measuring the energy required for molecules to interact with these sensors. This laser-based heating method enables faster and more accurate measurements, potentially revolutionizing disease detection and treatment.
Scientists at Tokyo University of Science develop biofuel cells that use lactate to generate power for wearable devices. The new design can drive a commercially available activity meter for 1.5 hours using one drop of artificial sweat.
Scientists have developed a novel sensor that makes auxin visible in living plants, providing new insights into plant development and growth. The sensor allows for real-time detection of changing environmental conditions and the influences of external stimuli.
Bias in medical devices results in undesirable performance variation across demographic groups, influencing health inequality. Medical engineers can learn from computer science's approach to address bias in devices.
A study from Brazil's University of São Paulo used self-assembled molecular monolayers to create biosensors for detecting the gene PCA3, which is specific to prostate cancer cells. The technique can also be used to diagnose infectious diseases like COVID-19, offering a non-invasive alternative to current methods.
GIST scientists create a radiative cooler that keeps wearable devices cool even under direct sunlight, enabling accurate measurements and improving human body monitoring. The innovative material has high reflectivity and emissivity, making it suitable for outdoor wearables.
Researchers developed a sensor to quantify hydrogen peroxide concentrations near cell membranes, providing insights into cellular processes and potential therapeutic strategies. The biosensor uses surface-enhanced Raman spectroscopy to detect changes in molecular signatures.
A new silicone-based patch fabrication technique fabricates thin patches that rapidly wick water away from the skin, reducing skin irritation caused by wearable biosensors. The technique was developed to improve comfort and performance of wearable bioelectronics.
Researchers reveal how plant roots generate a distinct gradient of gibberellin, a key growth regulator. A mathematical model combined with experimental observations showed that elongation-zone cells produce high levels of GA synthesis and increased permeability contribute to the gradient.
Researchers at Linköping University developed implantable biosensors that monitor sugar levels in plants in real-time. This technology has the potential to optimize crop growth and quality, as well as guide the production of new plant varieties that can thrive in challenging conditions.
Researchers developed more sensitive and efficient biosensors to detect specific sequences corresponding to P. jirovecii using nanotechnology and capture probes. These sensors can detect the fungus in real time without prior amplification steps, enabling a reliable diagnosis of infectious diseases.
Despite advances in biosensor antifouling approaches, further development is needed to increase our arsenal of robust antifouling protection methods. Researchers have developed various techniques such as physical barriers, chemical treatments and selective membranelike coatings to protect biosensors from fouling.
Researchers review graphene quantum dots (GQDs) synthesis methods and their application in biosensors. GQDs are valued for excellent photoelectric properties, good biocompatibility, and low cytotoxicity, making them suitable for novel luminescent nanomaterials.
The SciFiMed project develops a multiplex detection system to examine the functional activity of seven complement factor H related proteins in patient samples. This technique helps diagnose inflammatory diseases such as macular degeneration with higher accuracy.
Scientists discovered molecular basis for how shapeshifting immune system protein XCL1 evolved, outlining principles for designing metamorphic proteins as transformers. These principles can be used to develop biosensors, build nanoscale machines, and even create therapeutics.
Researchers are developing a low-cost, easy-to-use platform to diagnose viral infections in point-of-care settings. The novel technology has high sensitivity and specificity, detecting viral proteins with high accuracy.
A semiconductor chip has been developed to detect antigen concentrations as low as 1 part per quadrillion molar mass, enabling ultra-sensitive detection on a portable scale. This technology uses organic nanosheets and can detect biomolecules in real-time, paving the way for quick disease diagnosis and telemedicine applications.
UC Santa Barbara researchers develop a method to increase both affinity and cooperativity in aptamer-based biosensors, allowing for fine-tuned regulation of receptor properties. This approach enables precision biosensing applications, such as detecting low concentrations of target molecules like chemotherapy drugs.
Scientists at UVA Health System created a simpler, more effective method to convert green fluorescent biosensors to red, improving their ability to monitor multiple targets and peer into tissues. This innovation has the potential to accelerate research in fields such as insulin secretion control and neural activity patterns.
A team of scientists has developed LAMDA, a compact lab-on-paper strip that can diagnose mosquito-borne diseases in under an hour. The device uses Loop-mediated isothermal amplification to detect viral RNA and has great potential for resource-limited clinics and point-of-care diagnostics.
The new diagnostic technique allows direct detection of disease-specific miRNA, breaking through current limitations in early disease detection. The technology is expected to be available to medical practitioners in the next five years, offering a cost-effective solution for rapid and early diagnostics.
LONs have shown outstanding properties in designing membrane-anchored biosensors and synthetic membrane channels due to their information-transfer and self-assembly abilities. They also have great potential in making contributions to developing new therapies and controllable nanoreactors.
Researchers at the University of Münster used a new method to monitor plant metabolic processes in real-time, revealing key mechanisms in energy metabolism and their connection to environmental factors. The study provides new insights into plant responses to stressors like light, temperature, and pest infestation.
A new study applies liquid-metal synthesis to create atomically-thin tin-monosulfide with excellent electronic and piezoelectric properties, enabling flexible nanogenerators for wearable electronics and biosensors. The resulting material displays high durability and flexibility, making it suitable for commercial implementation.
Boston University researchers have developed artificial genes called biosensors that can detect changes in signaling molecules, which are molecular on/off switches inside cells. These biosensors have the potential to improve drug development by allowing researchers to study G-proteins more accurately and easily.
Scientists have created a highly sensitive glyphosate detection method using elastic hydrogel microparticles that inhibit binding to a chip surface. The method offers an extremely high level of sensitivity with regard to pesticide limits for drinking water.
A wearable biosensor, VitalScout, accurately monitors heart rate and respiration rate to calculate stress levels. The sensor's metrics correlate strongly with breathing analyses, offering a useful tool for healthcare professionals to manage stress.
Researchers at Texas A&M University developed a minimally invasive biosensor system to monitor urate levels, which can help patients with gout manage their symptoms better. The technology uses benzoporphyrins and is designed for personal management of gout, potentially reducing healthcare costs and improving patient outcomes.
Holonyak Lab faculty members receive NSF RAPID grants to shorten COVID-19 testing time. A point-of-care device using nasal fluid samples aims to detect COVID-19 within 10 minutes, while a new method combines capturing intact viruses with DNA nanostructures for immediate counting.
Researchers at Moscow Institute of Physics and Technology propose a radically new biosensor design that could increase detector sensitivity many times over, making it suitable for mobile and wearable devices. The new layout aims to make biosensors easier to manufacture, cheaper, and more responsive.
Researchers at KAUST have developed a plastic biosensor that can power itself using glucose, enabling continuous monitoring of key health indicators like blood sugar levels. The device uses an electron-transporting polymer and glucose oxidase enzyme to drive its circuitry, offering an ideal alternative to current implantable devices.
Researchers have developed a pacifier-based biosensor that tracks real-time glucose levels in saliva, allowing for non-invasive monitoring of newborns. The device could help diagnose and treat diabetes in infants, providing an alternative to continuous glucose monitoring currently only available in hospitals.
A new big data technique has revealed the previously unknown properties of nickel, enabling applications in data storage, biosensors, and quantum computing. Researchers discovered that nickel can produce a huge magnetic field when made into single-crystal nanowires and subjected to mechanical energy.
Researchers at Imperial College London developed microneedle biosensors that accurately detect changing antibiotic concentrations in patients' bodies. The technology enables real-time monitoring with similar results to blood tests.
The study introduced macrocyclic rigid structures that improve polymer properties, allowing for the creation of hybrids with biopolymers and self-assembling capabilities. These hybrids were applied in prototypes of chemical and biochemical sensors, offering good prospects for creating new smart drugs and systems.
Scientists have developed a method to produce graphene materials using bacteria, overcoming a major hurdle in adopting this revolutionary nanomaterial. The bacterially-produced graphene material retains its amazing properties, making it suitable for innovative technologies such as field-effect transistor biosensors and conductive inks.
Researchers developed a bacterial memory circuit that can detect and report disease signals in the gut, enabling non-invasive diagnosis. The system uses E. coli bacteria with synthetic trigger elements to identify potential biosensors, showing promise for long-term digestive health monitoring and treatment.
Researchers at Osaka University developed a graphene-based biosensor to detect stomach-cancer causing bacteria using microfluidics. The sensor can detect tiny concentrations of bacteria in under 30 minutes, paving the way for faster diagnoses and improved healthcare outcomes.
Researchers have developed L-TEAM, a low-temperature DNA amplification method that works at body temperature, enabling highly sensitive nucleic acid detection. The method reduces non-specific amplification errors, making it suitable for disease diagnostics and biosensors.
A wearable system developed at KAUST can detect glucose and lactate levels in sweat, providing insights into blood sugar problems and oxygen deficiencies. The device uses a stretchy patch with MXene-based electrodes that can be repeatedly swapped out for improved detection accuracy.
Researchers developed a wearable biosensor resembling a bandage that samples sweat and analyzes its components using a simple color-changing assay. The device can potentially help diagnose diseases with less invasive diagnostic testing, and its sensitivity is currently being increased.
Researchers at Binghamton University have developed skin-inspired electronics to monitor lactate and oxygen levels on the skin, enabling long-term, high-performance wound monitoring. The sensor's bio-mimicry structure allows for invisible integration with biological tissue, reducing inflammation and evoking no response.
Researchers have created a tiny, flexible sensor that can capture the rapid spike in brain chemical glutamate after spinal cord injury or traumatic brain disease. The sensor, implanted on the spinal cord, helps study how these injuries and diseases develop.
Researchers have developed a CRISPR-based graphene biosensor that enables digital detection of DNA without amplification, allowing for fast and accurate genetic mutation testing. The system uses CRISPR's genome-searching capability and graphene's sensitivity to detect target genes without amplification.
Researchers developed a biosensor enhanced with gold nanoparticles for express diagnostics of stress and toxicological pollution. The sensor can detect heavy metals and monitor biomarkers like heat shock proteins 90 to indicate stress and cancer. This breakthrough improves bioluminescent analysis sensitivity.
Researchers at University of Minnesota develop graphene-based device that detects protein structures with near-perfect efficiency, leading to improved diagnosis and treatment of diseases. The device uses plasmons to generate local electric fields, enabling detection of single layers of protein molecules.
Researchers at Tokyo Institute of Technology have developed a frequency-tunable plasmonic-based THz device for non-invasive biological imaging. The new device shows improved ability to distinguish between different tissues, opening up possibilities for enhanced diagnostic imaging tools.
A new biosensor developed by DGIST's Professor Jae Eun Jang's team can detect biomaterials in real-time without secondary processing or an analyzer. The technology uses plasmonic nanostructures and image signal processing to reveal the colors of colorless biomaterials.
A handheld biosensor has been developed to quickly and accurately detect cryptosporidium contamination in water samples, providing immediate results. The technology has real potential for use in medical and environmental applications.
A team of scientists has developed a protein sensor that allows them to visualize where nicotine collects inside cells, revealing its effects on neural cells and the nature of nicotine addiction. The sensor, composed of a special protein, detects nicotine molecules and activates fluorescent proteins to glow brightly.
Researchers developed nanosized LiFePO4 modified electrodes for biochemical analysis, detecting rutin and hemoglobin with high sensitivity. The electrodes achieved detection limits of 8.0 nmol L-1 for rutin and 0.068 mmol L-1 for trichloroacetic acid reduction.
Researchers at WSU have developed a 3D-printed glucose biosensor that outperforms traditional methods in terms of stability and sensitivity. The new technology uses direct-ink-writing and reduces waste, making it more cost-effective and customizable for individual patients.
A new biosensor device uses gold nanostructures to detect the presence of anticoagulant drugs like Sintrom, enabling personalized therapy adjustments. This technology has significant potential for patients with cardiovascular diseases or thromboembolic disorders, who often face risks associated with incorrect medication dosing.
Researchers at UMass Amherst create a charge-storing system integrated into clothing using micro-supercapacitors and polymer films. The solid-state device stores high amounts of charge in a compact form, enabling powering of wearable biosensors.
Researchers found that biological nanopores like alpha-hemolysin and aerolysin can detect sugar chains of different lengths depending on their placement in the pore, not just diameter. Electrical charge and inner pore geometry also play a crucial role in these biosensors
Researchers developed a simple and robust malonyl-CoA biosensor to monitor intracellular malonyl-CoA abundance in bacteria. The biosensor enabled rapid screening for gene targets increasing malonyl-CoA accumulation, leading to high-level production of four natural products.
Researchers developed a novel HTS assay and miniaturized it to identify small molecule modulators of GPR119, a promising target for treating type 2 diabetes. The study screened over 500,000 compounds and identified 200 modulators, paving the way for new treatments.
A new biosensor allows researchers to track oxygen levels in real-time in organ-on-a-chip systems, making it possible to ensure that these systems mimic the function of real organs. The biosensor uses phosphorescent gel to emit infrared light and measure oxygen concentration down to tenths of a percent.
Recent advances in flexible and stretchable electronics are used for electronic skins and biological devices in human healthcare. The materials, structures, and functionalities of various biological sensors are introduced to provide potential ideas for commercial applications.