Articles tagged with Medical Tests
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers at the University of Chicago have developed a new sensor design that allows stretchable electronics to collect and process faint signals from the body. The design, which incorporates a patterned material that optimizes strain distribution, enables transistors to maintain nearly the same electrical performance when stretched...
A study published in Molecular Psychiatry has identified patterns of maternal autoantibodies associated with autism spectrum disorder, allowing for early diagnosis and potential behavioral intervention. Researchers found that these biomarkers can predict the likelihood and severity of autism with high accuracy.
The study provides a rigorous scientific validation of Opertech Bio's TāStation technology, enabling the quantification of human taste discrimination. The findings are consistent with receptor occupancy theory and demonstrate remarkable test-to-test repeatability.
Researchers discovered predictive values for blood pressure, heart rate, and ratio in a Chinese subpopulation with vasovagal syncope using simplistic tilt test. The study suggests that ratios of blood pressure to heart rate derived from ambulatory blood pressure monitoring may better predict the presence and pattern of vasovagal syncope.
Researchers from Toyohashi University of Technology developed a semiconductor chip that can detect volatile gases in exhaled breath with high sensitivity at room temperature. The chip uses a polymer material that expands and contracts when gas is absorbed, allowing for precise measurement of gas adsorption.
Researchers at University of Pennsylvania School of Medicine have discovered a method to halt osteoarthritis-type knee cartilage degeneration by targeting a specific protein pathway. By over-activating the EGFR signaling pathway, they were able to slow down cartilage degeneration and knee pain in mice.
The Illinois RapidVent emergency ventilator was designed and tested by the University of Illinois team in under three weeks. The device is easy to produce, has few components, and can be powered from pressured air or oxygen.
A new pilot study using electromagnetic field stimulation has shown promise in restoring arm and hand function in individuals with traumatic spinal cord injuries. The study, conducted at Kessler Foundation, aims to improve motor control and activities of daily living for those with chronic spinal cord injury.
Researchers from the University of Gothenburg developed a cheap blood test that can detect Alzheimer's disease earlier than current methods. The test analyzes phosphorylated tau protein levels in blood and shows potential for predicting and monitoring disease progression.
A study suggests that a change in vasectomy guidelines has resulted in fewer repeat semen analyses, potentially reducing unnecessary tests and costs. The updated guideline recommended less stringent criteria for confirming the success of vasectomy.
A study adapted a tool to measure racial inequities in COVID-19 testing, revealing disparities in access and health outcomes across racial groups. The analysis found significant disparities in vaccination rates, test uptake, and healthcare utilization among different racial and ethnic groups.
Engineers developed a new technique to eliminate particularly tough blood clots by using engineered nanodroplets and an ultrasound drill to break up the clots from the inside out. In vitro testing showed promising results, with the use of nanodroplets, ultrasound, and drug treatment reducing clot mass by 40%, plus or minus 9%.
Researchers developed a blood test that detects misfolded proteins in blood, predicting Alzheimer's disease risk in people with subjective cognitive decline. The test identified those at high and low risk, providing hope for early-stage treatment.
A retrospective cohort study found that testing for primary aldosteronism in patients with treatment-resistant hypertension was rare and associated with higher rates of evidence-based treatment and better blood pressure control. An adaptive stepped exercise program improved pain and physical function in knee osteoarthritis patients.
Functional hydrogel coatings have various functions, including sensing, actuation, drug delivery, and conductivity for neural electrodes. Research directions include optimizing coating methods for mass production, long-term stability, and testing adhesion.
Researchers developed a platform using an endless runner video game to identify ADHD symptoms in children and adolescents. The game assesses attention deficit hyperactivity disorder (ADHD) symptoms through the raccoon's jumping behavior.
Researchers at UCL developed a pioneering new eye test called DARC that can predict wet age-related macular degeneration (AMD) three years before symptoms appear. The test uses a fluorescent dye to detect stressed retinal cells, which then predicts future AMD activity.
A new device, ECaBox, will resuscitate eyes from deceased body donors for clinical research purposes. The device will maintain the eye's temperature and pH levels while providing cells with oxygen and nutrients.
Researchers found that early testing after a crime improves accuracy and reduces forgetting. The study also showed a positive correlation between remembering peripheral details and the central memory of the perpetrator.
The ADQI consensus statement recommends using a combination of damage and functional biomarkers to manage Acute Kidney Injury (AKI). Proenkephalin penKid is proposed as a marker for assessing AKI progression and kidney recovery, with CE-IVD marked assay available for point-of-care usage.
A new study published in Neurology found that siponimod improved cognitive processing speed in people with advanced secondary progressive MS. The medication showed a 28% higher chance of sustained improvement compared to placebo, and reduced the risk of decline by 21%.
A new study found that many weight loss surgery patients in the UK are not receiving annual nutritional monitoring and weight checks as recommended by clinical guidelines. This can lead to serious health consequences, including weight regain and nutrient deficiencies. The study's lead researcher calls for improved support for GPs and p...
The study assesses an online tool that uses actual virus copy number data to compare pooled and single-sample testing methods. The results show how pooled testing affects population-level outcomes, providing valuable insights for policy makers.
A pilot study has created a comprehensive behavioral dataset to investigate individual differences in language skills. The dataset includes 112 participants who completed a battery of 33 tests, measuring linguistic experience, cognitive skills, and linguistic processing abilities.
A recent study presented at the 2020 ASH meeting demonstrated that Gazelle's integrated anemia-SCD test has a high sensitivity and specificity for detecting anemia, with over 92.3% accuracy. The test is expected to be available in mid-2021 and has the potential to improve disease management in low-resource settings.
Researchers have developed a simple and inexpensive method for testing liquid biological samples using in-fiber multispectral optical sensing. The sensor shows high sensitivity to impurities and can be used for diagnostic purposes and real-time simulations of various biological processes.
A landmark study led by the University of Sydney found that cannabidiol (CBD) in cannabis does not affect driving ability. In contrast, moderate amounts of tetrahydrocannabinol (THC) produce mild impairment lasting up to four hours.
A study found that lab results for adults with obesity are similar to those of their leaner counterparts, contradicting one theory behind the 'obesity paradox'. Instead, researchers suggest that unconscious bias in healthcare providers may lead to better outcomes for obese patients in critical care
Researchers identified six chronotypes: highly active, daytime sleepy, daytime active, moderately active, morning, and evening. A large-scale study tested 2,000 participants, showing that 95% identified with one of the types.
A recent analysis found that nearly 15% of talc-based cosmetics products contain asbestos, a deadly human carcinogen. The study highlights the need for rigorous testing methods and safer regulations to protect consumers from potential harm.
Researchers found that flavanol-enriched cocoa drink improved blood oxygenation levels in the brain, leading to enhanced cognitive performance. Participants completed complex tasks faster and with higher accuracy after consuming the flavanol-rich drink.
Researchers developed an animal-free method to predict nanoparticle toxicity, enabling safer industrial materials production and reducing environmental risks. The new approach identifies key cellular events triggering inflammation, allowing for high-throughput testing and connectable with in silico modeling.
Researchers from Edith Cowan University have developed a simple method to analyze the effectiveness of exercise training using vertical jumps. By measuring forces produced on the ground during jumps, they can predict detailed information about technique and muscle activation patterns.
Scientists have developed a new approach using nanosensors to detect trace amounts of biomarkers for early-disease diagnosis. The innovation increases detection speed by four times compared to common sensing techniques, enabling rapid disease tests that can be done at home or work.
A Baylor University study finds that cynical hostility may prevent a healthy response to stress over time, leading to increased cardiovascular strain. This type of hostility is characterized by negative beliefs and attitudes towards others' motives and trustworthiness.
Researchers at Virginia Tech prove that the mixture of sodium, chloride, potassium, calcium, urea, and bicarbonates in sweat can clog sweat ducts naturally, replacing metallic salts. A lab experiment demonstrates this concept using artificial sweat and a microchannel, showing a gel-like plug forms to seal the duct.
A rare nosocomial SARS-CoV-2 infection in healthcare workers is discussed in the article. Minimizing these incidents can be achieved through proper precautions such as wearing surgical masks, maintaining good ventilation, practicing physical distancing, using eye protection, and conducting regular testing and sick leave policies.
Researchers analyzed ABR tests of nearly 140,000 newborns in Florida and found slower brain responses to sounds in those later diagnosed with autism. The study presents a promising direction in using ABR testing as a method for precise autism detection at birth.
The TEAL respirator features sensors to detect proper wear and filter saturation, achieving a 100% success rate for fit testing. It can be sterilized and reused up to 100 cycles without significant loss of elasticity.
A new rapid test has shown solid diagnostic performance in distinguishing between patients with and without periprosthetic joint infection (PJI), a serious complication of total joint replacement. The test, which measures alpha-defensin levels in synovial fluid, achieved high sensitivity and specificity rates.
Researchers analyzed saliva samples from over 500 participants to identify microRNA levels that could indicate a concussion. The study found that measuring these molecules in saliva can aid diagnosis with high accuracy, potentially replacing current symptom scales and neurocognitive tests.
Researchers aim to create a low-cost, time-efficient procedure to identify and screen patients at high risk of cognitive decline. A new risk calculator and screening tool will be developed and validated to detect reversible causes of cognitive decline.
A new study demonstrates that pooling treatment recommendations from multiple prescribers using the 'wisdom of crowds' concept can improve decisions on antibiotic prescribing and reduce overuse. Using international survey data, researchers found that groups of three or more prescribers showed significant benefits in guideline compliance.
A clinical trial is underway to test the safety and feasibility of intrapleural liposomal curcumins as an alternative to chemotherapy for malignant mesothelioma. The researchers aim to reduce toxic side-effects and facilitate early diagnosis with a special lung fluid test.
Engineers at Monash University developed a portable and cheap diagnostic that measures fibrinogen concentration in blood. This simple test can diagnose hypofibrinogenemia in critically bleeding patients anywhere in the world, reducing treatment time by up to five times.
Neural interface electrodes play a crucial role in studying the nervous system and developing potential treatments for diseases. A new set of guidelines has been established to standardize the testing of these electrodes, enabling transparent reporting and promoting an efficient scientific process.
A Dartmouth study found that involving pediatric practices in promoting private well water testing can significantly influence parental compliance. The study, which tested two interventions, showed that providing both parents and clinic access to results and follow-up reminders increased testing completion rates.
A new DNA test developed by Flinders University can accurately determine the legal status of seized ivory samples, even in highly degraded state. The technique has shown 100% identification accuracy and correct assignment in the legal status of 227 highly degraded ivories.
A Mayo Clinic study analyzed Google web searches for keywords related to COVID-19, finding strong correlations with outbreaks in parts of the US up to 16 days prior. The study's findings suggest that analyzing internet surveillance data can help predict and respond to hot spots in a pandemic.
Two new research projects will explore the use of drones for medical delivery purposes in the UK, aiming to facilitate faster and more efficient movements of medical items. The projects, funded by Innovate UK, will focus on creating standard operational procedures for drone-enabled delivery operations.
Researchers have identified phosphorus-containing compounds as markers for thyroid hormone action in tissue using non-invasive magnetic resonance spectroscopy. This allows for the measurement of hormone action in different areas of the body, potentially improving care for patients with thyroid dysfunction.
Researchers at the University of Sydney have developed a new method to predict speech perception for individual recipients, enabling personalized cochlear implant configurations. This study aims to further improve the performance of cochlear implants in noisy environments.
Researchers at McMaster University have developed a prototype for a hand-held device that can read the levels of a cancer biomarker, similar to a blood-sugar monitor. The device simplifies cancer testing by allowing patients to collect samples at home and providing accurate results in minutes.
Researchers found that a D-dimer blood test alone can accurately identify patients at risk of deep vein thrombosis (DVT), allowing for targeted follow-up with ultrasound examinations. The study suggests this simplified approach could reduce unnecessary tests and improve diagnosis accuracy.
A new test developed by Johns Hopkins University can accurately pinpoint and capture the deadliest cells in glioblastoma, a type of fatal brain cancer. The method's accuracy in predicting patient outcomes varies from 86% to 100%, suggesting its potential for developing targeted therapeutics.
Researchers have developed a new statistical model that accurately analyzes electrodermal activity (EDA) signals, providing insights into internal cognitive states and physiological processes. The inverse Gaussian model matches the physiology of sweat production and offers a principled approach to modeling EDA signals.
Researchers at University of Reading and Newcastle University found planaria can be used as a reliable alternative for testing topical skin products without harming animals. The use of fluorescent dye mixed with potential skin products shows accurate interaction with living tissue.
A new study published in JAMA Cardiology found that 30,000 out of every 100,000 stress tests performed each year were unnecessary for patients undergoing knee and hip replacement surgeries. Despite a decrease in overall stress testing since 2006, the study highlights the need for educational initiatives to improve the utilization of me...
A collection of articles reviews the literature on using isokinetic testing to measure muscle strength in older adults with conditions such as COPD and stroke. The studies provide evidence for the validity and reliability of isokinetic strength testing, but highlight limitations in responsiveness and practicality.
Researchers evaluated COVID-19 testing and positive case rates among Seattle residents with varying language backgrounds, finding significant disparities. The study suggests that language use can be used as a proxy for immigrant status to identify populations at higher risk of COVID-19 infection.