Articles tagged with Medical Imaging
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.
Scientists detected alterations in capillary blood flow around the face caused by body position change, revealing a response to hydrostatic pressure difference and external stimuli. The non-contact method provides valuable information on peripheral blood flow regulation, potentially leading to new investigations of body responses.
Researchers developed a smart, flexible photoacoustic imaging technique using a compact fiber laser that may have potential applications in wearable devices, instrumentation, and medical diagnostics. The new technique provides better sensitivity than existing piezoelectric transducers for medical imaging.
Purdue University researchers are developing a photoacoustic tomography system that provides real-time compositional information of body tissue without contrast agents. The technology has the potential to detect or monitor diseases such as cardiovascular disease, diabetes, and cancer.
A new compact hyperspectral system captures 5-D images with high speed and accuracy, benefiting applications such as optical-based sorting and personal medical monitoring. The system uses structured light to create detailed digital archives of historically valuable artifacts.
Scientists at Bar-Ilan University successfully image quantum events, revealing quantum bubbles and new insights into their behavior. The breakthrough experiment uses a unique microscope to detect tiny magnetic signals with sub-micron resolution.
Researchers have developed a new method to measure pocket depths in periodontal disease using photoacoustic imaging and ultrasound. The technique offers high precision and covers all areas of the tooth, outperforming traditional probing methods.
Researchers create flexible terahertz imagers based on semiconducting carbon nanotube materials that can be fine-tuned to maximize detector performance. The findings expand the scope of terahertz applications, enabling wearable technologies and large-area photonic devices.
Researchers at NIST developed a novel power meter called 'Smart Mirror' that measures laser power in real-time using radiation pressure. The device is compact, sensitive, and fast, enabling continuous measurement during welding and calibration processes.
Researchers developed a microdialysis technique to measure brown fat's chemical make-up, discovering its activation under both cold and warm conditions. The findings offer potential targets for therapies boosting brown fat's energy-burning power for weight loss.
The UK's only two new NHS high energy proton beam therapy centers will benefit from the installation of a revolutionary proton imaging system. This technology uses protons to create 3D images of internal anatomy, reducing dosage and targeting errors during treatment.
A study finds that interrupting radiologists does not reduce diagnostic accuracy but changes their focus and increases time spent on cases, with more time spent on dictation screens.
Using near infrared chemical imaging can help maintain the safety of pharmaceutical tablets by monitoring active ingredient concentrations in real time. This technique provides a larger sample area compared to spectroscopy, reducing the risk of missed segregation areas.
Researchers have developed a new non-invasive method to measure the metabolic activity of brown adipose tissue, making it easier to verify its heat generation. The method uses multispectral optoacoustic tomography (MSOT) to visualize changes in oxygenated and deoxygenated hemoglobin, allowing scientists to study its effects on energy b...
A team of researchers has successfully developed an imaging technique that can monitor the movement of atomic units at a high resolution of 300 nanometers. The technology is expected to be used in the development of new materials, solar cells, and catalysts.
A Rice University-led team has been awarded $10 million by the NSF to create wearable and point-of-care microscopes that can monitor nearly 100 health conditions without invasive procedures. The technology aims to provide real-time, non-invasive imaging of tissues using on-chip illumination and sensing.
Researchers at Carnegie Mellon University are part of a $10 million program to develop a new type of camera that can peer deep beneath the skin to diagnose and monitor various health conditions. The camera uses computational scatterography to make sense of scattered light, enabling noninvasive bio-optical imaging at a cellular scale.
A University of Sydney team has developed quantum control techniques to enable ultra-sensitive quantum sensors that can identify tiny signals while rejecting background noise. The new protocols reduce spectral leakage by many orders of magnitude over conventional methods, with applications in medicine and defence.
The new Quanta Image Sensor (QIS) technology enables highly sensitive digital imaging with resolution up to one megapixel and as fast as thousands of frames per second. It allows for improved visualization of cells under a microscope, critical for determining therapy effectiveness in life sciences research.
A new imaging technique allows for true 3D imaging at the nanoscale with a resolution of 30nm. This breakthrough has potential applications in fields like materials science, physics, and medicine.
A team led by Purdue University anthropology professor Erik Otárola-Castillo used 3D imaging, shape analysis, and Bayesian statistics to accurately measure animal bone cut marks with an 88 percent success rate. This technique improves upon existing archaeological methods, enabling a more accurate understanding of human evolution.
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.
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.
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 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.