Articles tagged with Medical Imaging
Researchers at the University of Notre Dame created a new class of near-infrared fluorescent dyes by introducing a voluminous shield to protect against photobleaching. The dye, called s775z, provided stable fluorescence and was quickly cleared from the body, making it suitable for biomedical imaging applications.
Researchers developed a new 3D imaging technique called harmonic optical tomography, which uses holographic information to generate 3D images of biological samples. This technique has the potential to assist with cancer and disease diagnoses by providing critical information on tissue structure and collagen fiber orientation.
A new technique, multi-spectral optoacoustic mesoscopy (MSOM), enables high-resolution visualization of tumor tissue patterns without the need for surgical biopsies. MSOM allows researchers to study blood supply patterns, oxygenation levels, and drug efficacy with greater accuracy.
Researchers have developed genetically-encoded X-ray-sensitive tags for site-specific labeling of protein-of-interest in mammalian cells. This enables endogenous labeling of diverse molecules and subcellular structures with an ultrahigh spatial resolution of ~30 nm. The high photostability of these tags allows long-term observation of ...
Researchers successfully image atomic nuclei in three materials using a new microscopy type called ANXRI, which combines aberration-corrected STEM and EDS. The accuracy of ANXRI reaches 1 pm, allowing for adjustable individual imaged sizes of atomic nuclei.
Researchers at North Carolina State University have discovered a polymer composite material with bismuth trioxide particles that can effectively shield against ionizing radiation while being lightweight and non-toxic.
The perovskite-based detector is 100 times more sensitive than conventional silicon-based detectors, enabling low-dose dental and medical images with reduced risks. The new technology also enhances resolution in security scanners and X-ray research applications.
Researchers warn of 'exaggerated' AI study claims, highlighting poor quality evidence and methodological flaws in studies. The majority of deep learning medical imaging studies have high bias and lack transparency, fueling hype for rapid implementation.
Researchers at EPFL have created a nanoscale device that generates extremely high-power signals in just a few picoseconds, producing high-power THz waves. This technology has the potential to revolutionize security and medical imaging systems, as well as faster wireless communications.
A new experimental protocol developed by EPFL's Laboratory for Soft Bioelectronic Interfaces (LSBI) helps test and validate soft, personalized implants. The four-step process includes developing anatomically accurate prototypes and fine-tuning through tests.
A University of Colorado Cancer Center study found that African American patients were half as likely as non-Hispanic whites to receive PET-CT imaging for non-small cell lung cancer, while Hispanics received it 70% as frequently. This disparity may be due to limited access to specialized imaging equipment and unconscious bias.
The Rutgers team's robotic device combines AI, near-infrared, and ultrasound imaging to accurately pinpoint blood vessels, outperforming human healthcare professionals in complex tasks. The device reduces injuries and improves procedure efficiency, enabling healthcare professionals to focus on other critical aspects of medical care.
A study published in Radiology analyzed chest CT images and X-rays of 14 teenagers with EVALI, revealing characteristic ground-glass opacity and subpleural sparing. The findings suggest that CT imaging is crucial for early diagnosis and timely management of the condition in pediatric patients
The Beckman Institute has developed imaging techniques that capture more information about a tissue compared to traditional methods, allowing for better visualization of extracellular vesicles. These vesicles are known to increase in number and be associated with cancer, particularly breast cancer cells.
Scientists developed SR-FACT microscopy, combining label-free ODT and two-dimensional fluorescence microscopy to visualize cellular environment. The technique revealed novel subcellular structures like dark-vacuole bodies interacting with organelles.
Researchers made intact human organs transparent using microscopic imaging, revealing complex structures at the cellular level. The technology, SHANEL, enables detailed analysis of large-scale human tissues and organs, accelerating the development of functional artificial organs.
Researchers have developed a new camera capable of taking up to 1 trillion pictures per second of transparent objects, such as cells and shockwaves. The camera technology combines high-speed photography with phase-contrast microscopy, allowing for real-time imaging of ultrafast phenomena in transparent materials.
Researchers developed a new laser-based system that can image around corners in real time, enabling applications such as detecting hazards or pedestrians in self-driving cars. The system uses deep learning to reconstruct hidden objects at high resolutions and speeds.
Biomedical engineers at Duke University have created a system that allows real-time observations of individual cells in the colon of a living mouse. This breakthrough enables researchers to study the digestive system's microbiome, inflammatory bowel disease, and colon cancer, as well as explore potential treatments for gastrointestinal...
A new imaging technology assesses conjunctival goblet cells with high definition and contrast, overcoming limitations of existing methods. This non-invasive approach enables precise diagnosis of dry eye syndromes and evaluation of treatment effects, paving the way for precision medicine.
A new imaging technique combining machine learning and optical coherence tomography detects precancerous and cancerous tissue with 100% accuracy, according to a pilot study. The technology may assist traditional colonoscopy by providing real-time, non-invasive imaging for deeper precancerous polyps and early-stage cancers.
Researchers studied gunshot injury patterns and found that patients with chest or abdominal wounds were more likely to be readmitted to the hospital. The study aimed to identify injury patterns and predict future outcomes for victims of gun violence.
A team of researchers used micro-CT imaging to study the composition and age of 22 ancient ivory manikins, found in the Duke University collection. The study revealed that most of the manikins were composed of true elephant ivory, while some contained alternative materials such as antler or whale bone.
The CUHK Faculty of Engineering has developed a novel imaging approach that enables faster 3D imaging for biomedical research. The new method uses compressive sensing and multi-focus laser scanning to reduce the number of measurements by up to 90%, resulting in significantly faster image acquisition times.
Researchers have developed a portable, inexpensive, and easy-to-use microlens that simultaneously acquires 3D space and polarization information. This allows for the creation of 4D images with improved depth resolution, potentially enabling applications in medical imaging, communications, displays, and remote sensing.
The European XFEL has enabled scientists to create molecular movies of ultrafast protein movement, allowing them to observe proteins' physical functioning and enzyme activity in real-time. This breakthrough capability opens the door to answering bigger biological questions and potentially saving lives.
Researchers developed nanoparticles that attach to microcracks, allowing for clear imaging using X-ray-based technique with hafnium particles. This breakthrough could enable doctors to detect serious problems like heart blockages more accurately.
A new AI tool uses deep learning to automate the segmentation of individual muscles from CT images, enabling the creation of personalized musculoskeletal models. This advancement has significant implications for patients with musculoskeletal diseases, such as ALS, and high-performance athletes seeking to improve their performance.
Researchers create formula to calculate resolution of protein structures based on viewing angles, enabling better methods for imaging proteins. This new approach helps determine the best setup for experiments to improve cryo-EM imaging.
Boston Children's Hospital scientists have received funding from the Chan Zuckerberg Initiative to support two projects focused on mapping specific tissues and improving imaging tools. The grants will help advance understanding of childhood diseases and develop better therapies.
Researchers have developed a way to enhance the imaging speed of two-photon microscopy up to five times without sacrificing resolution. By combining compressive sensing with a faster scanning method, scientists can now observe biological phenomena that were previously too fleeting to image with current state-of-the-art microscopy.
A network of national imaging centers is proposed to facilitate collaboration and innovation in biological imaging. The centers will provide spaces for interdisciplinary interactions, enabling the development, application, and teaching of advanced biological imaging techniques.
Researchers from the University of Wisconsin-Madison and Universidad de Zaragoza have successfully developed a method to image complex hidden scenes using a projected virtual camera. This technology can overcome current limitations in non-line-of-sight imaging, including varying material qualities and large variations in brightness. Th...
Researchers at Princeton University have developed a compact, high-speed terahertz imaging system using direct emission of terahertz radiation from semiconductor chips. The device can quickly probe the identity and arrangement of molecules or expose structural damage to materials.
Scientists at DESY achieved a new world record for an experimental type of miniature particle accelerator using terahertz-powered technology. The setup significantly improved electron beam quality, reducing energy spread and increasing emittance sixfold.
A new study found increased CT use for suspected urolithiasis patients in emergency departments, with utilization rates increasing by 100.8% between 2006 and 2014. Geographic variation was also noted, with CT scans being more frequent in higher-income ZIP codes and urban hospitals.
Computer vision researchers demonstrate a new technique that enables them to reconstruct the shapes of unseen objects with great detail, including George Washington's profile on a U.S. quarter. The technique uses special light sources and sensors to see around corners or through gauzy filters.
Researchers have developed a high-resolution imaging method that captures mid-infrared spectral images of fast events or dynamic processes. This technique could lead to higher resolution imaging of cancerous and normal tissue samples, improving the accuracy and speed of medical diagnostics.
Researchers at University of Queensland developed a light beam device that can split light into multiple modes, increasing information density and potential for faster internet speeds. The device has applications in medical imaging, astronomy, and communication, enabling higher-quality images with greater detail.
Biotechnologists and medical researchers at FAU have developed a miniaturized multi-photon microscope that can be used in endoscopes, illuminating the body's own molecules to enhance imaging. This technology offers high-resolution three-dimensional images of living tissue, supplementing or even making biopsies superfluous.
Researchers at the University of Houston are developing a new imaging technology that can simultaneously capture structural and molecular changes in embryos during critical periods of development. This breakthrough could lead to improved early detection and prevention of birth defects with long-term chronic conditions.
A Henry Ford Health System study suggests recognizing four fundamental quality factors in the safety of care category and assigning equal weights to eight measures would produce more accurate results. This alternative approach could make hospital star ratings more meaningful and unbiased.
Researchers create green fluorescent protein-based biosensors to probe energy metabolism in living cells, enabling multicolor imaging and visualization of multiple molecules. The sensors achieve up to a seven-fold increase in fluorescent brightness in response to glucose concentrations.
A new study found that patient factors, including distance from hospital, age, and health insurance status, significantly impact follow-up imaging rates. The study also showed disparities in follow-up rates among different age groups, with younger and older patients having lower completion rates.
A new microscopy technique, PD imaging, helps isolate highly potent stem cells by measuring mitochondrial activity, potentially improving regenerative medicine outcomes. The method is non-invasive and cost-effective, offering a reliable tool for early-stage stem cell selection.
A team of researchers has demonstrated a novel approach for nanoscale imaging of amyloid structures using Thioflavin T, allowing for precise visualization of proteins associated with Alzheimer's disease. The technique enables the observation of amyloid fibrils assembling and disassembling in response to drugs.
Researchers at the National Eye Institute have developed a new imaging method that uses fluorescent dye to track changes in the retinal pigment epithelium (RPE) layer. The technique reveals unique patterns in individual cells, providing insights into disease progression and treatment options.
The Marine Biological Laboratory (MBL) has received a $17 million award from the Chan Zuckerberg Initiative to fund a new imaging scientist. This funding will support the development of new imaging technologies and drive biological discoveries.
Researchers use photoacoustic imaging to detect placental ischemia in pregnant rats, revealing early signs of preeclampsia. The non-invasive procedure poses little risk to the fetus and may lead to better treatment outcomes.
Researchers developed a new imaging method, called compressed optical-streaking ultra-high-speed photography (COSUP), that can capture images at speeds of up to 1.5 million frames per second using standard sensors. COSUP has potential applications in biomedical research, movie production, and scientific research.
The study found that mechanical clot removal is safe and effective for stroke patients with minimal brain tissue damage, but larger strokes and longer treatment times lead to worse outcomes. Functional independence rates decreased as stroke size increased, while complications like brain bleeds and deaths increased significantly.
A UTA research team is developing a method to treat vaginal prolapse by reattaching pelvic floor muscles using a strong, bioactive adhesive. This approach aims to prevent complications and improve quality of life for thousands of women affected by the condition.
The IASLC has launched a pilot project to develop an innovative technique for improving early lung cancer detection through shared computed tomography images. The project aims to create a globally-accessible environment for analyzing large collections of quality-controlled CT lung cancer images and associated biomedical data.
A new noninvasive technology detects nerve cell firing based on changes in shape, allowing for quantitative monitoring of visual function at the cellular level. This technique could be used to observe nerve activity in light-accessible parts of the body, such as the eye.
Engineers at the University of Delaware have developed a camera-like device that generates and detects millimeter waves to 'see' through solid objects. The device can detect concealed objects and see through non-metallic objects, making it useful for military operations and improved security in various settings.
Osaka University scientists created a new approach to pressure distribution measurement using universal tactile imaging technology. The sensors have no need for pressure-sensitive materials and are simpler to manufacture, making them suitable for various applications including robotics and surgical medicine.
Researchers from NUS developed novel lead halide perovskite nanocrystals for high-sensitivity X-ray detection, reducing diagnostic radiation dose by 400 times. These nanocrystals also enable lower-cost and faster imaging technology with improved resolution.
Researchers at Columbia University have created the first flat lens capable of focusing a range of colors and polarizations to the same focal spot. The ultra-thin 'meta-lens' offers performance comparable to conventional lenses but with significantly reduced size and weight.
A Swedish study has successfully imaged the soft tissue of an ancient Egyptian mummy's hand using a novel CT technique called phase-contrast imaging. This technique enhances contrast and allows for detailed analysis of soft tissues, opening up new opportunities for paleopathology research.
Melbourne researchers have discovered a way to halt the invasion of the toxoplasmosis-causing parasite into cells, depriving it of a key factor necessary for its growth. This breakthrough could lead to a vaccine or treatment for Toxoplasmosis and shed light on general processes involved in other diseases caused by related parasites.