All articles tagged with #biosensors
A new wearable wristband developed by UC San Diego researchers can continuously monitor glucose, lactate, alcohol, blood pressure, arterial stiffness, and heart rate, providing comprehensive health data for better management of diabetes and cardiovascular health, with promising accuracy and potential for future enhancements.
Researchers at the University of California, San Diego have developed flexible sensors that can be attached to earbuds to record brain activity and levels of lactate in the body. The sensors communicate wirelessly with the earbuds, allowing for real-time data visualization and analysis on a smartphone or laptop. This technology has the potential for long-term health monitoring and diagnosis of neuro-degenerative conditions, as well as monitoring exercise levels, stress, and focus. The researchers envision a future where wearable sensors integrated with mobile devices can track brain activity and health-related metabolites, enhancing overall wellness.
Engineers have developed nanoscale tattoos that adhere to live cells, allowing for the placement of optical elements or electronics on individual cells. The tattoos, made of gold nanodots and wires, can flex and conform to the cells' structure. This breakthrough technology could enable the remote monitoring and control of cell health in real time, potentially leading to early disease diagnosis and treatment. The tattoos were successfully attached to cells for 16 hours without causing harm, and the researchers plan to explore more complex nanocircuits and different cell types in future experiments.
Researchers have developed modular optical sensors using fluorescent carbon nanotubes and DNA anchors to detect viruses and bacteria. The nanotubes are customized with DNA structures that create defects in their crystal structure, altering their fluorescence. By attaching detection units to the DNA anchors, the sensors can identify specific viral or bacterial proteins. The sensors demonstrated high selectivity and stability, making them suitable for diagnostic applications in complex environments.
Researchers at Tohoku University have used a femtosecond laser to micro/nanofabricate graphene films, creating multi-point holes without damage and removing contaminants. The technique could replace traditional, more complex methods, offering potential advancements in quantum materials research and biosensor development. By forming nanopores and atomic-level defects in graphene, not only can electrical conductivity be controlled but also quantum-level characteristics such as spin and valley. The team aims to establish a cleaning technique using the laser and carry a detailed investigation into how to conduct atomic defect formation.