Articles tagged with Medical Imaging
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.
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...
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.
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.
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 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.
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.
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.
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.
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.
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.