Articles tagged with Biosensors
Developed by a team of researchers, the biosensor uses antibody fragments and polyethylene glycol molecules to detect target compounds in serum. The device can diagnose many conditions and illnesses at sub-picomolar concentrations, making it inexpensive and easy to use.
Researchers at the University of Cincinnati developed a novel device that can stimulate sweat glands on a small patch of skin, allowing for non-invasive biomarker testing. The device can predict sweat amounts, which is essential for understanding hormone or chemical measurements.
Researchers at UT Dallas developed a wearable diagnostic tool that measures cortisol, glucose and interleukin-6 in perspired sweat for up to a week, enabling continuous health tracking. The device uses room temperature ionic liquid to stabilize the microenvironment, making it practical and affordable.
Researchers have developed silver nanoclusters with excellent optical properties, making them suitable for biosensing and imaging applications. The nanoclusters' ability to absorb light efficiently and withstand exposure to sunlight makes them a promising alternative to existing fluorescent tags.
Researchers created a rapid biosensor to detect early-stage flu virus infections, outperforming existing kits in sensitivity and speed. The new device can identify minuscule amounts of H1N1 virus, allowing for timely administration of antiviral medication.
Scientists at EPFL developed an antibody-linked biosensor that can track drug concentration in the blood by changing color, enabling patients to monitor their treatment levels at home. The biosensor can be adapted to detect virtually unlimited number of molecules.
The research team developed a new biosensor platform with a spider web-shaped micro-magnetic pattern, improving detection capability by 20 times compared to existing sensors. The platform uses a magnetic field to control and detect biomolecules, increasing sensitivity and speed.
A new bio-sensing contact lens technology, developed by Oregon State University researchers, could enable continuous monitoring of blood glucose levels and other vital signs. The lens uses a transparent biosensor containing a semiconductor material to detect glucose concentrations in tears.
Researchers developed a disposable glove with built-in electrochemical sensors to detect organophosphate nerve agents and pesticides. The sensor can be worn on the fingers, providing fast and accurate detection of deadly toxins.
Researchers found that smart watches can detect deviations from normal heart rate and skin temperature patterns, signaling illness onset. The study also identified a link between low blood oxygenation during flights and fatigue.
Scientists developed a biosensor that can detect cancer proteins in serum samples, allowing for early detection of tumors. The method is faster and more accurate than traditional methods, with a 440-fold higher sensitivity.
Researchers found that wearable biosensors can detect opioid use by tracking physical changes such as decreased movement and rising skin temperature. The devices may be useful for monitoring developing opioid tolerance and detecting relapse in rehab patients.
Washington State University researchers created a simple sensor that can detect and amplify the signal of E. coli 0157:H7, a harmful pathogen causing severe diarrhea and kidney damage. The biosensor uses a nanoflower particle with organic and inorganic components to recognize and amplify the bacteria's signal.
Engineers at Binghamton University have developed a disposable microbial fuel cell powered by bacteria available in dirty water, which can power biosensors for up to 20 minutes. The new design boasts increased power density and voltage compared to previous origami batteries, offering potential for use in resource-limited regions.
A new catheter infection alert system could prevent serious infections in millions of hospital patients and elderly people. The system changes the color of urine to detect bacterial blockages before they cause kidney failure and death.
Scientists have developed new methods to monitor endogenous oxidants, which are essential chemical messengers that help maintain organism function. The methods involve genetically encoded probes that can detect specific oxidants in real-time and down to single-cell levels.
Researchers developed a paper-based biosensor to detect water toxicity, measuring color changes caused by bacteria metabolism. The technique is quick, simple, and inexpensive, suitable for use in developing countries or economically restricted areas.
Researchers developed a differential immuno-capture technology that can detect sub-populations of white blood cells, including CD4+ T cells, for AIDS diagnosis. The microfluidic biosensor achieved over 90% correlation with flow cytometers in clinical trials.
A new review proposes using cheap and quick point-of-care tests to measure beta-amyloid levels in the blood, enabling doctors to deliver personalized care and improving patients' quality of life. The tests could be especially beneficial for patients in developing countries where access to healthcare is limited.
A gold sensor developed by a Nebraska researcher uses DNA to detect gold and other metals in water samples. The sensor has potential applications for monitoring household water supplies for lead, mercury, arsenic, and other contaminants.
Genetically encoded fluorescent biosensors allow researchers to visualize the formation of valuable products in real-time and test billions of candidates at a time. This breakthrough enables efficient identification of the most productive microbes for fine chemicals, therapeutics, and biofuels production.
Scientists have developed a method to engineer custom biosensor proteins that can precisely sense specific molecules, expanding the variety of biosensor designs. The approach combines computational protein design, in vitro synthesis, and in vivo testing to identify tailored biosensors.
A highly sensitive and disposable Indium Tin Oxide (ITO) based biosensing tool was developed for the determination of Haptoglobin in human blood. The new biosensor features a low detection limit of 0.2 fg/mL and demonstrates high analytical performance.
Researchers developed a microfluidic biochip to count red and white blood cells, and platelets from just 11 microliters of blood. The biosensor takes under 20 minutes to measure and has the potential to improve patient care in low-resource settings.
A $1.2 million DOE grant will support the development of biosensors to track phosphate movement in real-time, enabling more efficient use of symbiotic relationships between plants and AM fungi. This technology has broad applications beyond biofuels, benefiting economically important crops worldwide.
Researchers have designed graphene biosensors that can detect low concentrations of molecular substances without labels, improving the reliability of biochemical reactions. The sensors use surface plasmon resonance spectroscopy and are expected to revolutionize pharmaceutical biodetection, enabling the testing of small molecules.
A new study presents a portable smartphone-based detection system using a paper sensor that produces strong signals to detect pesticide thiram. The system integrates nanoparticles, a mini-laser, an optical filter, and software that runs on Android, giving reliable and accurate detection readings at low concentrations.
A bioelectronic nose that mimics the human nose can detect traces of bacteria in water by smelling it, without complex equipment. The sensor is sensitive to low levels of contamination, making it more useful than existing methods.
A new Ebola test using magnetic nanoparticles is 100 times more sensitive than current tests and easier to use, enabling faster isolation of patients and prevention of disease spread. This technology has potential applications in diagnosing other infectious diseases like flu and detecting tumors.
Scientists have created a new suite of biosensors that enable two-way communication between humans and cells, allowing them to control and optimize the production of valuable chemicals. The biosensors can detect which microbial 'workers' are producing the most efficient amounts of desired chemicals.
A Binghamton University engineer has developed an origami battery made from paper that generates power from microbial respiration. The battery is cheap and biodegradable, and can be used to run a biosensor in remote areas with limited resources.
Researchers at EPFL have developed a chip placed under the skin that can detect multiple molecules, including glucose, lactate, cholesterol, and drugs, using induction-powered biosensors. The device has been successfully tested on mice with promising results, paving the way for clinical trials in humans within three to five years.
Three UK-based research projects, led by Newcastle University, University of Bristol, and University of Warwick, aim to improve patient lives with assistive devices. The projects focus on developing prosthetic hands with sensory feedback and wearable soft robotics for independent living.
Professor Juewen Liu's lab developed highly sensitive and specific DNA probes for lanthanide ion detection. The new DNAzymes have catalytic activity and may have different properties than existing examples, enabling mechanistic studies into DNA/metal interactions.
Researchers have developed a fluorescent hormone biosensor that reveals the dynamics of jasmonate signalling in plants, allowing for the imaging of plant defence mechanisms in real time. This breakthrough enables the study of how plants coordinate their defence responses to mechanical damage and disease.
Researchers at the University of Manchester and University of Bari have created a biosensor that can differentiate between mirror image smells. The system uses odorant binding proteins to detect unique chemical changes, approaching human nose detection limits.
A team of researchers created a photonic crystal nanolaser biosensor that can detect DNA and biomolecules based on wavelength shift and laser emission intensity changes. This method is simpler and potentially less expensive than existing techniques, making it a promising tool for disease diagnosis.
Researchers from North Carolina State University have developed a new technique to bind peptides to gallium nitride surfaces, making them stable even in water and radiation. This breakthrough could lead to the creation of injectable biosensors for detecting specific molecules in biological environments.
A new method uses a pulsing laser to convert graphite into nanodiamond at room temperature, offering advantages over traditional methods such as lower cost and scalability. The technique has potential applications in various fields including biosensors, quantum computing, fuel cells, and next-generation computer chips.
Researchers at Northwestern University have developed a new nanostructure that absorbs a very narrow spectrum of light, enhancing the sensitivity of biosensors. This ultranarrow band absorber can detect smaller changes in the environment and has been shown to exceed 90% absorption at visible frequencies.
A graphene biosensor has been developed to detect cancer risk biomarkers, such as 8-hydroxydeoxyguanosine (8-OHdG), with high sensitivity and speed. The sensor is capable of detecting concentrations as low as 0.1 ng mL-1, outperforming conventional detection methods.
Researchers at UC Santa Barbara have developed a highly sensitive biosensor using molybdenum disulfide, offering improved scalability and mass production capabilities. The material's wide band gap enables accurate readings with reduced leakage current.
A new disposable biosensor may help physicians determine which patients can safely be fed following surgery by monitoring intestinal movements. The device, AbStats, uses sound waves to measure the rate of acoustic events in the intestines, allowing doctors to make evidence-based decisions about post-operative feeding.
A new biosensor at the University of British Columbia helps optimize bio-refining processes by sniffing out bacterial networks that break down wood polymer. The discovery could lead to more tunable industrial processes and unlock the potential of lignin, a promising feedstock.
Researchers have created an imaging technology that measures chemical and biological actions in real-time, allowing for improved biosensors to study life processes. This new approach uses short pulse lasers and bioluminescent proteins to create customized sensors for better imaging of living systems.
Researchers at Northwestern University developed a new technology to modify human cells for programmable therapeutics that can target cancer and disease sites. The Modular Extracellular Sensor Architecture (MESA) enables cells to sense specific factors and respond with customized gene expression programs.
Researchers have developed a versatile mouse that expresses a fluorescent biosensor, enabling the tracking of diseased cells and drugs in real-time. This technology has been used to monitor Rac activation in various organs in response to drug treatment, providing valuable information on cancer progression.
Researchers developed a mobile app and biosensors that can detect volatile chemicals by analyzing color patterns on the sensor's surface. The biosensors use a turkey-inspired design that changes color when exposed to different chemicals, allowing for easy identification of toxins.
A new biosensor developed by Johns Hopkins University researchers can detect a protein associated with brain injuries, alerting doctors to devise new treatments or begin treatment more quickly. The device could help minimize brain damage and improve long-term outcomes for patients who undergo heart surgery.
A novel design uses a magnetoelastic biosensor and surface-scanning coil detector to detect Salmonella on food surfaces, enabling real-time testing of food and processing plant equipment. This handheld device can be used in agricultural fields or processing plants to quickly identify contaminated surfaces.
A new skin-worn metabolite biosensor accurately measures lactate levels in sweat during exercise, offering promise for diverse sport and biomedical applications. Future research will correlate sweat lactate levels with fitness, performance, and blood lactate levels.
Researchers at University of Illinois developed a cradle that uses iPhone's built-in camera and processing power as a biosensor to detect toxins, proteins, bacteria, viruses and other molecules. The device can perform on-the-spot tests for environmental toxins, medical diagnostics and food safety.
A team of researchers has adapted natural mechanisms to detect specific molecules like cocaine more accurately and quickly. The new biosensor responds optimally even with a large concentration window, paving the way for applications in cancer-targeting drugs and administration.
A new ultra-sensitive biosensor can identify single virus particles in solution, revolutionizing early disease detection. The technique detects smaller viruses like Polio and antibody proteins, which could diagnose diseases earlier and speed up treatment.
Researchers have developed a non-invasive biosensor that can detect minute concentrations of glucose in saliva, tears, and urine, with the potential to reduce the frequency of pinprick testing for diabetes. The sensor uses graphene nanosheets and platinum nanoparticles, enabling it to distinguish between glucose and other compounds.
A new type of biosensor, known as a biochemiresistor, has been developed by a UNSW-led team to detect tiny traces of contaminants in liquids in just 40 minutes. The sensor can detect one-billionth of a gram of the veterinary antibiotic enrofloxacin in milk with high sensitivity and speed.
Researchers have developed a super-sensitive test that can detect signs of a disease in its earliest stages, enabling more reliable diagnosis. The new biosensor test uses nanoscopic-sized gold stars to detect specific molecules associated with diseases like prostate cancer.
Researchers have created a highly sensitive biosensor that can detect biomolecules without the need for a reference electrode, enabling miniaturization and low-cost applications. The device has potential applications in personalized medicine and early cancer diagnosis.
Northwestern University researchers have received two Grand Challenges Explorations grants to develop new compounds for malaria treatment and biosensors for low-cost diagnoses. The projects aim to improve the health of people in developing countries using synthetic biology techniques.
Researchers at Carnegie Mellon University have discovered how dendritic cells exchange information during their coordinated assault on invading pathogens. The team used a new pH-biosensor to visualize the mechanism behind antigen transfer in the immune system, revealing an active endocytic process.