Articles tagged with Medical Imaging
A team of computer scientists has developed a novel, compact single-shot hyperspectral imaging method that captures images using a conventional DSLR camera equipped with an ordinary refractive prism. The new method achieves quality images without compromising accuracy, making hyperspectral imaging practical for ordinary users.
Researchers at Chalmers University have developed a flexible terahertz detector using graphene transistors on plastic substrates. The device detects signals in the frequency range of 330 to 500 gigahertz, opening up various applications including imaging sensors and wireless communications.
Researchers developed CUBIC, a technique making human organs transparent for better pathological diagnosis. This method surpasses current methods in its ability to observe whole organs and detect metastatic carcinomas.
A study found that less than half of detectable vertebral fractures are reported by radiologists, particularly in non-musculoskeletal radiologists. This under-reporting can lead to delayed diagnosis and treatment of osteoporosis, increasing the risk of future hip fractures.
Researchers at UC Davis developed a novel, high-frequency chip capable of transmitting tens of gigabits of data per second. The chip's success marks an important step toward scalable systems for emerging applications like spectroscopy, sensing, and medical imaging.
A study adapts a noninvasive retinal imaging approach to detect and quantify amyloid-β plaques in AD patients and healthy controls, revealing increased deposits in AD patients. This technology has the potential to enable significant advances in early detection and treatment of Alzheimer's disease.
Researchers have developed a new terahertz imaging approach that combines high-resolution images with fast acquisition speed, enabling early-stage skin cancer detection without tissue biopsies. The technique uses compressed sensing and adaptive imaging algorithms to achieve subwavelength resolution images.
Researchers at Georgia Institute of Technology and Rutgers University have developed a three-layer system to verify that components produced using additive manufacturing have not been compromised. The system uses acoustic and physical techniques to detect malicious activity and quality problems, reducing materials waste.
Researchers from UNH developed a novel method to estimate the extent of small particles in 3D models, enabling more accurate assessments of their properties. This innovation has practical applications in modeling volcanic ash clouds, sediment transport, and blood test development.
An interdisciplinary team developed a novel method to scan the internal development of live insects using carbon dioxide-induced suspended animation. The technique allows for detailed, three-dimensional views of insect innards without harming them.
As more adults are diagnosed with cystic fibrosis, radiologists must monitor the disease's complex and heterogeneous spectrum. The condition affects approximately 70,000 people worldwide, with up to 7% of cases diagnosed in adulthood, often with subtle manifestations.
The UK's withdrawal from Euratom may threaten the supply of essential medical isotopes, used in some cancer treatments and medical imaging. Professor Martin McKee warns that this could put patients at risk if supplies are interrupted.
Researchers developed a high-speed imaging technique that reveals molecular organization and chemical makeup in living samples, enabling real-time observation of disease progression. This technique could improve understanding of early disease stages and lead to targeted drug treatments.
A new image-based method reconstructs wiry objects in 3-D with higher resolution and accuracy, benefiting fields like animation, medicine, and topology extraction. The technique uses short connections to assemble wire configurations, exploiting unique characteristics of wiry objects.
A team of UCSB researchers found that aggregating individual responses from multiple observers improves visual search performance, especially when the object is hard to detect. This approach leverages the high confidence of individuals who directly gaze at the target.
A survey of radiologists found that while they agree on the importance of patient-centered care, current practices are hindered by time and workload constraints. Social media and integrating reading rooms into clinics offer opportunities for better communication with patients.
Researchers are using imaging mass spectrometry to improve drug development by visualizing how drugs interact with tissues and animals. This technique has been shown to help identify potential off-target effects and inform safety guidelines for children's treatments.
A new computer-aided diagnostic technique uses cutting-edge imaging technology and artificial intelligence to differentiate between benign and malignant tissues. The technique achieved a classification accuracy of over 90%, reducing the need for second breast cancer surgeries.
Researchers use a live imaging system to track and monitor influenza virus infection in immunized mice, providing insights into the effectiveness of candidate vaccines and treatments. The study offers a promising alternative to traditional methods, enabling real-time monitoring of disease progression.
A recent study found that follow-up imaging is significantly less when initial emergency department (ED) ultrasound examinations are interpreted by a radiologist rather than a nonradiologist. Radiologists interpret the vast majority of ED ultrasounds, with 81.6% of cases handled by them and 36,788 cases handled by nonradiologists.
Researchers have developed a photoacoustic imaging technology that can produce detailed images of cells, allowing for more accurate assessment of tumor margins during surgery. The goal is to speed up the process and enable real-time feedback to surgeons, reducing the need for second surgeries.
Researchers developed a dual-modality imaging technique using SPECT/CT and fluorescence to detect micrometastases in colorectal cancer. This approach can guide resection of tumor lesions and potentially improve prognosis for cancer patients.
Scientists have developed a way to track genes inside living cells, mapping their positions in three dimensions. This approach could lead to a better understanding of gene interactions and their effects on health, potentially leading to new treatments and cures for cancer and other genetic diseases.
Victor Malka is a renowned researcher in laser plasma acceleration, who has demonstrated controlled quiver motion to produce intense and bright electron beams. His work has numerous applications in medicine, security, and imaging methods.
Researchers at MIT Media Lab describe a new technique that makes image acquisition using compressed sensing 50 times as efficient. The technique enables the development of novel imaging systems without lenses, opening new prospects for design and applications in harsh environments or non-visible spectrum wavelengths.
Researchers mapped saltwater intrusion in the Monterey Bay coastline using ERT, providing a cheaper alternative to drilling 'sentinel' wells. The study aims to improve groundwater models and help local water managers make informed decisions about pumping groundwater.
UTA researchers are developing a new mathematical theory to improve imaging technologies used in modern healthcare equipment, national security, and space exploration. The project has the potential to enhance image accuracy and lead to advances in cancer diagnosis and treatment, airport security, and space exploration.
Researchers have invented a super-material that bends, shapes and focuses sound waves, pushing the boundaries of metamaterials. This innovation has the potential to revolutionize medical imaging and personal audio, allowing for precise control over sound waves.
Researchers found that ED patients with ultrasounds interpreted by nonradiologists underwent more follow-up imaging studies, with a mean increase of 1.08, 1.22, and 1.34 procedures within seven, fourteen, and thirty days respectively.
Researchers found that osteopathic structural examinations can help identify ectopic pregnancies, particularly those located outside the fallopian tubes. This technique is useful in emergency situations where imaging fails due to bleeding caused by a rupture.
Most US radiologists receive favorable satisfaction scores from their patients, according to a new study published in the American Journal of Roentgenology. The study analyzed over 1,800 reviews and found that patients tend to have either strongly positive or strongly negative opinions about their radiologists.
Researchers at KFU's bionanotechnology lab used atomic force microscopy (AFM) to create 3D images of nematode cuticles. The study revealed new insights into the surface anatomy of Caenorhabditis elegans, a widely used model organism in genetics and biology research.
A new approach to surgical pathology in brain tumor patients uses stimulated Raman histology, improving speed and diagnostic efficiency. The method, tested in an operating room, produces accurate results faster than conventional methods.
New research from the Harvey L. Neiman Health Policy Institute finds that state tort reforms are associated with a decrease in physician ordering of radiographs. The study examined the impact of liability pressure on overall imaging use and found that indirect tort reforms have a stronger effect on radiography orders than direct reforms.
Researchers have invented a new method called EF-X, which stimulates protein motions and visualizes them in real-time at atomic resolution. This approach enables the creation of video-like images of proteins in action, opening up new avenues for understanding protein function and potential applications in medicine.
A team of researchers has achieved the first optical coherence tomography images of cubic meter volumes, offering opportunities for long-range measurements and imaging. The new technology could be used to monitor processes, take technical measurements and nondestructively evaluate materials in industrial settings.
Researchers at Duke University developed a new technology using nanocubes to simplify multispectral imaging in color and infrared, promising cheaper and more robust solutions for various industries. The technique relies on plasmonics and can be scaled up, reducing costs and increasing accuracy.
A new study using national patient ratings website data found that most US radiologists receive favorable satisfaction scores from their patients. The study also showed that radiologists in the Northeast scored lower than those elsewhere, and online reviews tend to be strongly positive or negative.
Researchers developed an in vivo imaging method to observe Meissner's corpuscle mechanoreceptors in living tissue using two-photon microscopy. This method could unlock the mechanism of touch sensitivity and provide a novel diagnostic tool for neural diseases. The study's findings have applications to human health, particularly in under...
A national study on low-value health services found that $32.8 million was spent on 28 procedures in 2013, accounting for 0.5% of total spending. The most expensive procedures were spinal injections and imaging tests for low-back pain.
Physicists from UT Arlington are developing a multifunctional platform to integrate imaging and photo-induced cancer therapy in a single, portable device. The BIGLITE device aims to improve the efficacy and safety of photo-induced therapies by precisely killing cancer cells while sparing healthy ones.
The first single actuator wave-like robot (SAW) has been developed by engineers at Ben-Gurion University of the Negev. It can move forward or backward in a wave-like motion and climb over obstacles, reaching speeds of up to 22.5 inches per second.
A team of researchers led by Andreas Velten is working on a camera technology that uses scattered-light photons to capture scenes outside human line of sight. The project aims to push the limitations of this technique over four years, with potential applications in medical imaging, disaster relief, and space exploration.
Researchers from the University of Delaware have developed a new approach to detect hidden damage in structures, using carbon nanotube composites and electrical impedance tomography. The technique can monitor the health of structures and alert owners to potential problems, with major benefits including scalability and relatively low cost.
The article highlights the need to communicate the risk of low doses of ionizing radiation associated with imaging, while managing the dose. Dr. Cynthia H. McCollough suggests approaches for presenting radiation risk and benefit information that support the ALARA principle.
The project, funded by the EPSRC, seeks to create tiny plasma bubbles for medical imaging and industrial processes. Researchers aim to improve cancer treatment and quality of life with enhanced diagnosis and treatment options.
A team of Tokyo Tech and UEC researchers developed a luciferin analog, AkaLumine-HCl, that produces near-infrared bioluminescence with improved tissue-penetration efficiency. This allows for highly sensitive deep-tissue imaging in animal experiments, including lung cancer models.
Researchers have developed an inexpensive and flexible micro-Raman system for non-destructive analysis of biological samples, offering a fraction of the cost and capability of commercial tools. This system allows for label-free detection of variations in biomolecular composition and correlates it with corresponding biological changes.
Researchers have developed a novel technique to detect special nuclear materials in cargo containers using low-energy neutron and photon imaging. This method can simultaneously measure density and atomic number, while confirming the presence of nuclear materials through unique delayed neutron emission signatures.
A study found that most patients with asymptomatic carotid disease underwent unnecessary carotid imaging tests ordered for uncertain or inappropriate indications. The majority of these patients received endarterectomy, while others had stenting performed.
The University of Kansas researcher will receive a three- to five-year grant to develop new theories and experiment with ultrafast lasers. The goal is to overcome the absorption problem in metamaterials, enabling breakthroughs in imaging applications such as medical research and next-generation microscopes.
Researchers at NIST and ORNL have developed a new microwave imaging technique that allows for the visualization of processes occurring at boundaries between liquids and solids. This approach enables the study of technologically and medically important processes without damaging samples or interfering with the process being studied.
A new study by the University of Missouri School of Medicine shows that electroanatomical mapping is an effective alternative to fluoroscopy, reducing radiation exposure and improving patient outcomes.
Scientists have developed a new method for classifying cells based on large population of cell images, allowing for high specificity and accuracy. The approach uses machine learning to analyze bright and darkfield images, opening up new perspectives for cell cycle analysis and potential applications in various contexts.
Researchers developed a portable system using patent-pending Coded Hemodynamic Imaging technology to monitor blood flow at multiple arterial points simultaneously. This allows for continuous monitoring and more complete body imaging, enabling early detection of cardiovascular issues and greater independence for older adults.
Researchers have developed a metamaterial that can more than double the resolution of acoustic imaging, focus acoustic waves, and control angles. This breakthrough has potential applications in medical diagnostics and structural integrity testing.
Researchers at Caltech developed a novel technique called TRUME that utilizes microbubbles to focus light inside biological tissue. The technique can be used as an effective 'guidestar' to target specific locations in tissues, enabling minimally invasive treatments such as tumor destruction and diagnostic imaging. This innovation has t...
Scientists from Friedrich Schiller University Jena have created a custom-built ultrafast laser that can produce extremely high-resolution images of materials in real time. By using extreme ultraviolet light streaming at a 100,000 times per second, the researchers achieved an image resolution of 26 nanometers, surpassing previous limits.
A new imaging technology developed by CMU and U of T researchers enables depth-sensing cameras to work efficiently in bright light, including sunlight. This allows for applications such as medical imaging, gaming, and space exploration, where traditional cameras are unable to capture accurate 3D information.
Researchers developed a terahertz imaging system using COC substrates, enabling the detection of objects hidden under clothing or skin, and improving image resolution. The system has potential applications in airport security, medical diagnostics and food industry inspection.