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.
A portable, rapid testing platform can detect gonorrhea infections and determine antibiotic resistance in under 15 minutes. The platform's speed and low cost could combat the spread of drug-resistant strains and improve timely diagnoses for patients with gonorrhea or other STIs.
A new study from the University of Pennsylvania School of Medicine found that smartphone breath alcohol testing devices have varying levels of accuracy. Some devices failed to detect users over the legal driving limit more than half the time, highlighting concerns about their reliability and potential impact on road safety.
A new Strep A human challenge model has been successfully developed, paving the way to test vaccines against the common deadly bacteria that causes sore throats, scarlet fever and skin sores. The model, which deliberately infected healthy adult volunteers with the bacteria in a controlled environment, was found to be safe and effective.
Researchers discovered a new species of bacteria, Sphingobacterium phlebotomi, in sand fly rearing substrates that attracts pregnant females, offering a potential tool for reducing sand fly populations and preventing diseases like Leishmaniasis. The bacterium's volatile chemicals can be used to create ecologically safe baits or traps.
Individuals from long-lived families demonstrate improved baseline cognitive performance compared to their spouses. The study also found a slower rate of cognitive decline in younger generations within these families, particularly on the symbol coding test.
A new study by the University of California, San Francisco found that US adults with fever are often not tested for coronavirus, contributing to community transmission. The research suggests that increased access and timely testing could reduce the spread of the virus.
Researchers develop a robotic-medical device and procedure to safely induce presence hallucinations in Parkinson's patients, providing a new diagnostic tool for the disease. The study findings suggest that the test may help predict the severity of the disease's progression.
A new algorithm developed by researchers at Columbia University can automatically scan electronic medical records for signs of chronic kidney disease, alerting physicians to patients in the earliest stages. The algorithm performs nearly as well as experienced nephrologists, correctly diagnosing kidney disease in 95% of identified cases.
Researchers found that breastfed children scored higher on neurocognitive tests, with the strongest association seen in those breastfed for more than 12 months. The study, which analyzed over 9,000 participants, suggests that any amount of breastfeeding has a positive cognitive impact.
In a survey of 1,062 adults aged 45-75, most preferred fecal immunochemical tests (FIT/FOBT) or multitarget stool DNA (mt-sDNA) over colonoscopy. The preference for mt-sDNA was higher among younger age groups and non-Hispanic white individuals, while older adults and minority groups preferred colonoscopy.
Researchers used engineering tools to investigate the pelvic floor hypothesis, which states that trade-offs exist between supporting childbirth and protecting organs. A larger pelvic floor would facilitate easier childbirth but risk deforming under weight, causing organs to fall downward.
The University of Queensland's technology uses lasers to track microscale particles with world-record precision, measuring viscosity a thousand times faster than ever before. This breakthrough may lead to a fundamental revision of scientists' understanding of cells, enabling faster and more accurate pharmaceutical testing.
A new study by Massachusetts General Hospital researchers finds that a proposed law to regulate high-risk diagnostic tests could increase US healthcare costs by $565 million to $1.1 billion over a three-year period, depending on stringency of enforcement.
A Dartmouth startup has received funding to create a remote-sensing resistance band exercise system that can monitor patient progress and guide healthcare providers in at-home rehabilitation programs. The device aims to bridge the gap between clinicians and patients, increasing compliance rates and reducing unnecessary interventions.
Researchers have created low-cost, next-generation screening tools for 'lazy eye' in children using computer gaming technology. The devices use webcams or virtual reality headsets to detect visual targets and analyze video streams.
A large-scale evaluation of a federal policy aimed at reducing deaths from sepsis found that it was mostly ineffective in improving patient outcomes. Despite significant investments, the 'all or none' guidelines, known as SEP-1, did not translate to clinically meaningful changes in care delivery or reductions in deaths.
A new guideline from the Canadian Task Force on Preventive Health Care recommends routine screening for chlamydia and gonorrhea in people under 30. The infections are treatable with antibiotics but can lead to pelvic inflammatory disease, pain, and infertility if left untreated.
Researchers developed a fluorescence-based sensor for continuous cortisol detection, overcoming existing laboratory methods. The new sensor showed low levels of detection and reversible response in vitro, paving the way for an implantable sensor for real-time monitoring.
A small clinical trial found that cloth face coverings reduce exercise performance and increase shortness of breath and claustrophobia at higher intensities. The researchers suggest modifying exercise frequency, intensity, duration, and type to compensate for the discomfort associated with mask-wearing.
Researchers discovered that higher levels of HDL cholesterol with improved anti-inflammatory capacity are associated with lower risk of cardiovascular events. The study suggests that adding this measure to risk scores may improve heart disease prediction and patient protection.
A modeling study estimates COVID-19-related changes in colorectal cancer screenings and associated outcomes. Expanded fecal immunochemical testing may help mitigate these outcomes during the pandemic.
Incorporating HIV screening into COVID-19 testing at an urban emergency department improved patient outcomes, according to a recent study. The study found that this integrated approach led to higher rates of HIV diagnosis and treatment, ultimately reducing the spread of both diseases.
IU School of Medicine researchers have developed a blood test that can distinguish between severe depression and bipolar disorder, as well as predict future episodes. The test uses RNA biomarkers to inform tailored medication choices, offering a promising precision medicine approach to treatment.
A new test has been developed to evaluate expressive language skills in individuals with Down syndrome, offering a more effective approach than current methods. The test was found to be reliable and consistent across different versions, making it suitable for most individuals between the ages of 6 and 23.
Soft microfluidic 'sweat stickers' can easily gather and analyze sweat from infants and children, matching performance with cumbersome devices. The stickers' multilayered design avoids repeated tests and skin indentations, enabling early diagnosis critical for good treatment outcomes.
A novel skin-mounted sticker has been developed to diagnose cystic fibrosis within minutes by changing color in response to chloride levels in sweat. The device is softer and more comfortable than traditional diagnostic tools, allowing for easier collection of sweat samples and faster diagnosis.
A new radon gas measurement system will measure radon continuously in DeKalb County, helping builders plan mitigation efforts ahead of time. The system could be deployed globally to assess risk and determine hazard in underground mining operations.
Researchers have proposed a new standard to measure moisture leaks into bionic devices, aiming to increase confidence in their operation. The improved moisture-testing regime could also be applied to the renewable energy industry.
A new diagnostic tool uses DPP3 to predict sepsis outcomes and guide early management. High DPP3 levels indicate severe sepsis and predict organ failure.
Researchers tested 17 supplements containing deterenol and found nine experimental stimulants, linked to nausea, vomiting, and cardiac arrest. Consumers are urged to avoid these products and report any adverse effects to medical authorities.
A study by the University of Florida found that male patients with a single general physician were more likely to receive a prostate cancer screening test during a period when it was not recommended. The trust between doctor and patient is strong, but physicians must practice evidence-based care.
Asymptomatic and presymptomatic COVID-19 cases pose significant risk of transmission due to unknown minimum infectious dose and limited data. Focusing on additive risk reduction through community-based infection prevention measures is crucial to combat pandemic spread.
Research has identified two stevia varieties that can withstand freezing temperatures, making them suitable for growth in temperate climates. The study aims to improve the yield and taste of stevia while reducing production costs.
Research in simulated weightlessness found cognitive speed initially declined but remained unchanged, while emotion recognition worsened over time. Astronauts' ability to read emotional expressions may be impaired in long space missions, impacting teamwork and mission success.
A new algorithm developed by USC engineers can think and learn like a doctor, suggesting the best diagnostic strategies by mining electronic healthcare records. This could lead to faster, better, and more efficient diagnoses and treatments, complementing human doctors' judgment.
Researchers found Gazelle Malaria test to be highly sensitive and specific, missing only 4 cases of P. vivax infection per 100 people compared to RDTs which missed 16 cases. The test's portability, battery operation, and cold chain-free design make it a promising alternative for field conditions.
Researchers at EPFL have developed a retinal implant that uses electrodes to stimulate retinal cells, allowing blind individuals to see simplified images in black-and-white. The system has been tested virtually using virtual reality simulations and has demonstrated promising results, paving the way for potential human trials.
A low-cost intervention using small prizes and incentives successfully reduced alcohol use among American Indian and Alaska Native adults diagnosed with alcohol dependence. Participants who received contingency management interventions were 70% more likely to abstain from alcohol than control participants.
Research found that obstructive sleep apnea is a common sleep disorder among people with cognitive impairment, affecting concentration, decision-making, and learning. The study suggests that treating this disorder with CPAP therapy may improve thinking and memory skills as well as overall quality of life.
The E-Morph test uses artificial intelligence to identify substances that can have oestrogen-like effects on breast cells. This method has the potential to replace animal experiments currently required for detecting hormone-like effects.
Researchers investigated SARS-CoV-2 antibody status and subsequent nucleic acid amplification test results to understand serostatus as a predictor of reinfection. The study found that seropositive individuals had a lower risk of future infection compared to those who were not seropositive.
Researchers identified two distinct pathways leading to septic shock, involving bioactive Adrenomedullin (bio-ADM) and Dipeptidyl peptidase 3 (DPP3). Early diagnosis with biomarker-guided approaches shows promising results in personalized medicine for sepsis treatment. New diagnostics are available for rapid detection of these biomarkers.
A new test has been developed to detect the magnetic properties of malaria-infected blood, which could help eliminate the disease. The test, called rotating-crystal magneto-optical detection (RMOD), was field-tested on nearly 1000 suspected malaria patients in Papua New Guinea and showed promising results.
A new study reveals nearly half of coronavirus patients experience symptoms of depression, particularly those with persistent symptoms and low family income. Researchers emphasize the need for improved mental health services in light of the pandemic's disruption to these vital resources.
A University of Cambridge study found that the fit of a face mask is more important than its material in providing protection against COVID-19. The researchers discovered that even high-performance masks can perform no better than cloth masks if not fitted properly, highlighting the critical role of proper seal in ensuring effectiveness.
Researchers examined testing alignment to epidemic intensity in Massachusetts, highlighting disparities in resource allocation. The study found that testing was concentrated in high-income areas, exacerbating health inequities.
A new study from the University of Minnesota Medical School found that Pap test samples can detect proteins also present in ovarian cancer tumor tissues. This discovery suggests potential biomarker candidates for early detection of ovarian cancer, which currently has no early warning system.
A Korean research team developed a wearable sensor that can detect illegal drugs in sweat using nanomaterials technology, enabling fast and highly sensitive drug detection. The technology overcomes traditional methods' limitations and has the potential to address social problems related to drug distribution and abuse.
Researchers sent take-at-home tests to patients overdue for screenings, increasing completion rates by nearly 20% compared to traditional reminders. The intervention cost just $150 per patient, a critical factor for sustainability in community health centers.
A new virtual reality cognitive assessment has been developed by Center for BrainHealth researchers, effectively testing executive function in everyday tasks. The study found that participants' performance is not related to their working memory capacity, but rather on their strategies and approaches.
A new University of Illinois study aims to develop better testing methods for produce, focusing on toxin-producing E. coli and improving preharvest testing protocols. The project involves swabbing plants in the field with a sterile cloth attached to a stick to capture potential pathogens.
Researchers found that a significant proportion of international entrants to China test positive for asymptomatic SARS-CoV-2 infections. This study highlights the challenges in controlling the spread of COVID-19 through travel restrictions and testing.
Researchers developed an enhanced CMV detection method that accurately detects the infection in newborns with almost 90% accuracy. This improvement enables earlier intervention, which can improve hearing, speech, language, and intellectual/neurodevelopmental outcomes for affected children.
A new wearable device collects biofluids such as tears and saliva to analyze conditions like oral ulcers, oral cancer, and eye infections on a rapid, continuous basis. The sensors also administer medicine with microneedles through the skin, offering improved treatment options for patients.
A host immune classifier test may help guide immunotherapy treatment decisions for patients with newly diagnosed non-small cell lung cancer. The test, which measures inflammation in the body, is associated with longer overall survival and better treatment response.
A PhD student has discovered a way to conduct micro-brewing experiments using only a single barley seed in a 1.5 millilitre tube, reducing the need for large-scale brewing operations. This method could speed up the quality testing of newly-bred barley varieties and potentially lead to new styles of beer.
Stroke survivors who completed a cardiac rehabilitation program focused on aerobic exercise improved their ability to transition from sitting to standing and walked further during a six-minute walking test. The program also showed improvements in leg strength and reduced fall risk.
Researchers at the Buck Institute have discovered a compound that slows bone loss in aging mice by up to 31% over the course of a year's treatment. The study provides a treasure trove of data for those studying aging and age-related diseases, including serially profiled individual mice as they aged while testing several therapeutics.
Researchers at Monash University have created a new class of biosensors that can monitor the concentration of proteins in real-time, enabling faster and more effective treatments for chronic health complications. This breakthrough technology could provide invaluable insights into disease progression and treatment efficacy.
A study published in Academic Emergency Medicine found that advanced practice providers (APPs) and emergency physicians deliver similar care to ED patients presenting with chest and abdominal pain. The authors recommend further research on the optimal use of APPs in the emergency department.