Articles tagged with Medical Imaging
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 study implemented strict protocols for administering gadolinium-based contrast agents, eliminating new cases of nephrogenic systemic fibrosis. The protocol has been effective in preventing the condition in patients with decreased kidney function.
A literature review finds lab tests and imaging have limited value in diagnosing JIA due to false positives; a full physical exam and patient history are crucial for accurate diagnosis
Researchers at Arizona State University have received a $1 million grant to develop a next-generation 3D imaging microscope called Cell-CT. This technology enables scientists to observe and assess the functional pathways of disease, such as cancer, by performing CT imaging on individual living cells.
Scientists used synchrotron X-ray imaging to study an ancient fossilized snake, revealing details of its internal architecture. The results suggest that snakes lost their legs due to slower growth rates or a shorter evolutionary period.
Rhode Island Hospital physician James A. Arrighi examines the challenges of implementing quality improvement efforts among physicians, highlighting the need for multifaceted and interactive approaches to educational initiatives. He recommends techniques such as personalized feedback and sequential longitudinal efforts to maximize their...
A study by Radiological Society of North America found CT scans to be the most accurate imaging modality in detecting cocaine containers in drug mules, with a sensitivity rate of 100 percent. X-rays had a lower detection rate, while low-dose linear slit digital radiography had an 85 percent sensitivity rate.
Researchers have developed a new imaging technology that combines photoacoustic tomography with gold nanobeacons, allowing for unprecedented detail in visualizing blood vessel formation. This breakthrough has the potential to help healthcare providers diagnose diseases earlier and more accurately.
A study of 38 patients who underwent primary or revision rhinoplasty found that computer imaging was moderately accurate in predicting the final result. Patients valued its inclusion in the preoperative consultation, citing improved communication with surgeons and better understanding of the surgery. The accuracy of the images varied b...
Physicist Lei Ren received the Basic Science Abstract Award for his research on reducing radiation therapy imaging dose by optimizing cone beam computed tomography (CT) usage. The new technique aims to lower imaging doses by eightfold, improving treatment outcomes for lung cancer patients affected by breathing motion during treatment.
Scientists at UC Irvine have designed a new device using spatial frequency domain imaging to image cancerous lesions and monitor the effectiveness of photodynamic therapy (PDT) for skin cancer. The device, which uses an array of LEDs, can provide detailed images of the biochemistry of tissue, enabling targeted treatment.
Researchers explored new techniques for 3D imaging and analysis of rocks, fossils, and other materials. These advances have improved our understanding of geological processes and the potential zones of weakness in volcanoes.
Overutilization of medical imaging services exposes patients to unnecessary radiation and adds to healthcare costs. Radiologists recommend a national collaborative effort to develop evidence-based appropriateness criteria and implement practice guidelines to reduce overutilization.
Researchers will create novel tools for evaluating social interactions and behaviors to diagnose or treat autism. The project aims to develop a new discipline of computational behavioral science, transforming the study of human behavior with technologies like computer vision and machine learning.
Researchers have developed revolutionary ultrasonic transducers that can generate and detect ultrasound at scales a thousand times smaller than conventional ultrasonics. These tiny devices can be used to perform intracellular ultrasonics, produce high-frequency ultrasounds smaller than visible light wavelengths.
Scientists have developed a substance to enhance visibility of skin cancer cells during scans, potentially leading to earlier detection and improved survival rates for patients with melanoma. The new technique uses photoacoustic tomography and a bioconjugated gold nanoparticle agent that targets skin cancer cells.
Dr. George Papanicolaou receives the William Benter Prize for his work on Monte Carlo simulation and its applications in imaging analysis, tackling challenges in cluttered environments. The award supports his efforts to develop effective algorithms for detecting and imaging in varying degrees of clutter.
Agnieszka Bialek wins Royal Photographic Society's Selwyn Award for her work on multi-spectral imaging, which reveals details unseen by the eye. Her IRIS technology captures eight replicated images of an object at different wavelengths, enabling characterisation of materials with variations in colour or appearance.
Researchers have developed fluorescent compounds that can light up tumors as they begin to form, signaling their transition to aggressive cancers. These compounds, called fluorocoxibs, could be used for early tumor detection, monitoring cancer progression, and defining tumor margins during surgery.
Researchers developed a novel noninvasive tool using fluorescent microspheres to detect early inflammation in the eyes. This breakthrough allows for early detection of diseases such as eye disease, potentially reversing damage before it occurs. The tool may also improve therapy evaluation and extend to other areas of the body.
Scientists have successfully applied optical coherence tomography (OCT) to analyze the layers of easel paintings, revealing evidence of forged signatures and alterations. This non-invasive technique overcomes previous limitations, offering a new way for art conservators to detect changes in artworks.
Researchers at Caltech develop a nonlinear acoustic lens producing highly focused sound bullets for advanced medical imaging, nondestructive evaluation, and potentially even cancer treatment. The device exploits particle contacts to create compact acoustic pulses with high amplitude and low distortion.
Researchers developed an experimental imaging technique using gold-silver nanocages to detect hollow nanocages and solid nanoparticles in the bloodstream, enabling clear images without background fluorescence. This method shows improved performance with higher contrast and brightness than conventional fluorescent dyes.
Researchers use tissue engineering to create healthy organs and neuronal circuits, enabling live imaging of transplanted tissues and neural activity. The protocols provide methods for monitoring tissue perfusion, cell survival, and interaction/integration, allowing for improved culturing and implantation techniques.
Researchers developed a novel computational model to identify genetic interactions using high-dimensional morphological data from single-cell images. The method was demonstrated in fruit flies, where it accurately inferred Rho-signaling network interactions more precisely than previous approaches.
Scientists use optical coherence tomography to analyze artworks, uncovering forged signatures and altered inscriptions. This technique enables detection of subtle changes in easel paintings without damaging the artwork.
Researchers discovered a noninvasive contrast-enhanced ultrasound imaging technique that can aid in the detection of early-stage ovarian cancer when combined with proteomic blood analyses. This method has shown high accuracy and the potential to save lives by detecting disease at an early stage.
A large proportion of patients undergoing abdominal/pelvic CT scans receive unindicated and unnecessary additional image acquisition, leading to excess radiation exposure. The mean excess radiation dose per patient from unnecessary scans was found to be 11.3 millisieverts.
The Image Sharing Demonstration at RSNA 2009 showcases methods for sharing images, reports, and medical history to enhance patient care in radiology. The project aims to enable 'meaningful use' of electronic health records and improve interoperability between medical institutions.
Researchers are developing a new imaging technique to detect tissue damage in breast cancer patients undergoing radiation therapy. Preliminary results show that the technique can identify changes in skin tissue days before severe reactions occur, potentially allowing for preventative treatment and improved patient outcomes.
Researchers at Berkeley Lab developed the first acoustic hyperlens, allowing for 8-fold magnification of sound-based imaging technologies. The device resolves details smaller than one sixth the length of the waves themselves, enabling new applications in medical ultrasound and underwater sonar.
A new study uses bioluminescence imaging to detect eye tumors in vivo, enabling early treatment options that don't require surgery. The technology offers higher sensitivity and accuracy than traditional biopsy analysis, promising improved outcomes for patients.
A wireless network of radio transmitters can track people moving behind solid walls, according to a new study. The system uses radio tomographic imaging (RTI) and has the potential to help law enforcement, rescue operations, and retail marketing.
Aydogan Ozcan's lab has developed a prototype cell phone diagnostic unit using Lensless Ultra-wide-field Cell Monitoring Array platform (LUCAS) to detect diseases like HIV and malaria. LUCAS can identify and count microparticles virtually instantaneously, revolutionizing mobile health care.
The University of Alabama at Birmingham has been awarded $431,200 to acquire a highly-specialized X-ray Photoelectron Spectroscopy System with micro-scale-imaging capabilities. This will enable researchers to visualize surface chemical composition and bonding capabilities of newly designed materials.
Researchers at Purdue University are developing laser-based technologies to create longer-lasting medical implants and arterial stents. The new techniques use layer-by-layer deposition of metal and ceramic materials, enabling strong bonds and complex shapes.
Researchers at Virginia Tech are developing a next-generation nano-CT imaging system to visualize fine features within larger objects and reduce radiation dose. The project aims to provide a versatile nano-imaging tool for various applications, including medical and industrial uses.
Research published in the Journal of Thoracic Oncology found that narrow-band imaging bronchoscopy increases lung cancer detection specificity and can serve as an alternative method. The study confirms its efficiency by comparing it with white light and auto-fluorescence imaging.
A new chemical imaging technique, ATR-FTIR imaging, may improve current methods of assessing lesions in the arteries. The technique revealed precise composition and size of lesions and levels of elastin, collagen, and cholesteryl ester.
Researchers found that abnormal findings on ultrasound can predict future stroke and cardiovascular ischemic events in TIA patients. The study supports the routine use of transcranial Doppler ultrasonography in addition to extracranial Doppler ultrasonography for risk assessment.
Scientists develop a novel nanoparticle structure that combines the functions of quantum dots and gold nanoparticles, creating a multipurpose tool for medical imaging and therapy. The breakthrough could enable more efficient delivery of drugs, heat therapy, and optical imaging.
Purdue University researchers have developed magnetically responsive gold nanostars that can be used to enhance contrast in biomedical imaging. The nanostars can be made to twinkle at precise frequencies, allowing them to stand out from noisy backgrounds and improving the clarity of images.
Researchers at Helmholtz Munich developed a new technology that allows for high-resolution imaging of tissue depth using sound waves. The technique, called multispectral opto-acoustic tomography, uses flashes of laser light to create small shock waves, which are then analyzed to generate detailed images of internal organs and tissues.
Researchers at the University of Illinois have successfully focused ultrasound waves through a flat metamaterial lens to create an acoustic 'superlens'. This innovation could improve high-resolution ultrasound imaging, non-destructive structural testing of buildings and bridges, and novel underwater stealth technology.
A study of 5,434 patients found that 7.1% of abnormal test results were not informed to patients or documented, with practices using paper and electronic records having the highest failure rates. Practices with better testing processes had lower failure rates and more satisfied physicians.
Researchers at UCLA developed a novel camera that captures images at 6 million frames per second, overcoming conventional camera limitations. The camera's optical image amplification enables continuous real-time imaging of rapid phenomena in physics, chemistry, and biology.
Researchers have observed a synchronized quantum dance in electrons' spin within a new material, enabling the transformation of computing and electronics. The discovery has significant implications for data storage, memory, and computation power.
Researchers developed an imaging technique that can reveal the atomic structure of nanocrystals with a resolution of less than one angstrom. The technique combines images and diffraction patterns taken with the same electron microscope, allowing for accurate determination of atomic structures.
Researchers have developed a new technique called liquid STEM that enables the imaging of individual molecules in biological cells, with improved resolution and speed compared to existing methods. This innovation has potential applications in energy science and the development of molecular probes.
Researchers demonstrate a blind man's ability to navigate an obstacle course without visual awareness, utilizing alternative brain routes. The study reveals the importance of these hidden pathways in everyday navigation and function.
Researchers found that narrow-band imaging (NBI) was not more accurate than white light colonoscopy in differentiating colorectal polyps during real-time colonoscopy. However, NBI accuracy improved significantly after the endoscopists gained experience with the new diagnostic tool.
Researchers developed a novel technique called Early Photon Tomography (EPT) to image lung tumors in living mice. EPT combines early arriving photons with tomographic principles, resulting in sharper and more accurate images compared to conventional methods.
CSIRO's Biotech Imaging team has created software to objectively test hair removal products' effectiveness. The technology uses images captured by a small scanner and algorithms to detect hair length and number, providing insights into growth and removal.
Neuroscientists at Arizona State University developed pulsed ultrasound techniques to remotely stimulate brain circuit activity, offering insights into noninvasive neurostimulation of brain circuits. The findings provide a new tool for modulating neural circuit activity, potentially treating post-traumatic stress disorders, traumatic b...
A new NIST technique uses an optical microscope to quickly analyze nanoscale dimensions with high sensitivity. The 'Through-focus Scanning Optical Microscope' (TSOM) method has potential applications in nanomanufacturing, semiconductor process control, and biotechnology.
Two studies presented at the American College of Gastroenterology's Annual Scientific Meeting highlight new technologies that improve the detection of colorectal polyps and flat lesions. The Retroscope device was found to significantly increase polyp detection, while narrow band imaging improved detection of flat or depressed lesions.
Researchers at Georgia Tech developed a low-cost, high-resolution imaging system that can be attached to a helicopter to create detailed pictures of devastated areas. The system enables accurate population estimates and demographic analysis, helping aid organizations plan for health and humanitarian services.
Four Stanford researchers Mark Schnitzer, Kang Shen, Seung K. Kim, and Julie Theriot have been awarded the prestigious title of HHMI investigators for their groundbreaking work in biomedical science. They will now have the freedom to tackle ambitious and risky research projects without restriction.
A new study suggests that color Doppler ultrasound is the preferred imaging modality for diagnosing suspected acute appendicitis in adults, with a 97% specificity rate and 74% sensitivity rate. The test's advantages include lack of radiation exposure and lower cost compared to CT scans.
The SIAM Journal on Imaging Sciences (SIIMS) focuses on conceptually new ideas in imaging science, combining mathematics and applications. The journal aims to shape the future of this exciting area by reporting fundamental advances.
Researchers at Michigan Medicine created a device that measures metabolic stress, detecting eye disease before symptoms appear. The instrument provides accurate results in detecting vision loss and characterizing disease progression.