Articles tagged with High Resolution Imaging
Researchers from SUTD and A*STAR IMRE demonstrate the use of chalcogenide nanostructures to reversibly tune Mie resonances in the visible spectrum, paving the way for high resolution colour displays. The technology relies on phase change materials, including antimony trisulphide nanoparticles.
The new sensor grids offer 100 times higher resolution than existing technology, allowing for more precise identification of seizure origins and preservation of healthy brain tissue. Longer term, the technology holds potential for permanent implantation to improve life quality for people with paralysis or neurodegenerative diseases.
A new wearable headset, Kernel Flow, monitors brain activity using time-domain fNIRS. The system can record high-resolution brain signals from across the brain with performance similar to conventional systems.
Researchers from Göttingen University and Hannover Medical School have detected changes in heart muscle tissue of people who died from Covid-19. The study used innovative X-ray imaging to visualize the affected tissue in three dimensions, revealing a network of chaotic vessel formations.
Researchers at Göttingen University have developed a new X-ray imaging method to detect changes in neuronal cell nuclei, indicating altered activity of neurons. This technique enabled the identification of changes in neurons in Alzheimer's disease.
Researchers identified areas of the infant visual cortex that already show strong preferences for faces, bodies, or scenes, similar to those in adults. This challenges the traditional view that these regions take years to develop, suggesting a more rapid emergence of specialized brain structures.
The need for new antibiotics is critical due to rising antibiotic resistance, which kills over 35,000 people annually in the US. Research by Harvard Medical School aims to develop better antibiotics by targeting essential bacterial proteins.
A new study found that the brainstem plays a key role in modulating pain signals in the spinal cord based on expectations, with increased activity linked to the placebo effect and decreased activity to the nocebo effect.
Researchers used satellite data to identify areas in coastal southwest Madagascar where indigenous foragers altered their surroundings, showing a 17% human impact. The study found subtle but widespread changes in soil capacity to absorb water and vegetation distribution.
Researchers developed a new mass spectrometry technique to identify key protein features in cyanobacteria, enabling rapid detection of harmful species. This approach can be used to prevent blue-green algae blooms and detect toxic species, such as spirulina extracts.
Researchers developed a non-toxic, small-molecule probe that provides real-time visualization of disease progression, overcoming limitations of MRI and PET imaging. The probe binds copper ions and detects dysregulated levels, accurately identifying Wilson's disease and other maladies.
Researchers developed a method to apply deep learning to polarization-sensitive optical coherence tomography, enhancing cancer diagnosis. The technique enables OCT systems to detect abnormalities on a deeper level, differentiating microstructural features such as collagen fiber orientations.
A team of neuroscientists at the Beckman Institute developed safety standards for multiband EEG-fMRI imaging, reducing heating risks and maintaining data quality. By establishing protocols to mitigate artifacts, they enabled the use of accelerated fMRI sequences with EEG recordings.
A research team from USTC developed an up-conversion single-photon detector to achieve millimeter-level 3D non-line-of-sight imaging. The detector operates at picosecond resolution and has low noise counts rate, enabling high-precision 3D reconstruction of target objects.
A team of Beckman researchers developed software to boost infrared imaging-based cancer diagnosis, enhancing image resolution and accelerating recording speeds. The software integrates data analysis and reduces limitations associated with IR imaging, making it faster and more accurate.
Electrical engineers at UC San Diego developed a technology that converts low-resolution light to high-resolution light, enabling ordinary microscopes to image living cells with a resolution of up to 40 nanometers. The technology uses a specially engineered material that shortens the wavelength of light as it illuminates the sample.
Researchers developed a nanoparticle-based MRI contrast agent called SAIO for high-resolution 3D microvascular imaging, outperforming traditional gadolinium-based agents. The agent provides excellent resolution and stability, allowing for accurate diagnosis of cerebro-cardiovascular diseases.
Researchers introduce a novel algorithm to estimate speed and angle of rotating objects in space, then apply these estimates to develop high-resolution images. The method achieves improved resolution without being heavily affected by atmospheric fluctuations.
Scientists have successfully imaged HIV during transport into the nucleus of an infected cell using 3D imaging techniques. The images show that the viral capsid passes through the nuclear pore intact before breaking apart inside the nucleus.
High-resolution imaging revealed debris-covered glacier deposits on Mars formed in multiple punctuated episodes of ice accumulation over long timescales. Boulder size and distribution varied across the glacial landforms, contradicting predictions for a single continuous deposition period.
Artificial neural networks enhance signal-to-background ratio in near-infrared imaging, sharpening blurred images. The technology has potential to improve diagnostics and image-guided surgery in the clinic.
Researchers developed an airborne approach to map live coral distribution in the Hawaiian Islands, revealing a negative correlation between nearshore development and live coral cover. The study suggests that this cost-effective method could provide high-resolution monitoring of coral health at a low cost.
Scientists at the University of Southampton have made a breakthrough in reconstructing eye tissues from the outer retina using serial block face scanning electron microscopy. The study provides a clear picture of the 3D organisation of the retinal pigment epithelium, which could help understand causes of damage leading to sight loss.
Researchers at SUTD demonstrate high-resolution 3D waveguides guiding light in a spiral and air-bridge configuration, achieving low loss and high bandwidth. The 3D fabrication enables error-free optical transmission at high speeds and showcases the devices' suitability as low-loss waveguides.
Researchers have developed an ultracompact metalens array that enables wide-field microscope imaging with large field of view and high resolution. The metalens-integrated imaging device (MIID) achieves compact architecture and working imaging distance in the hundreds of micrometers, paving the way for real-world applications.
Scientists have developed a new imaging technology to study the brain's deep structures at high resolution. The technology, called adaptive optics two-photon endomicroscopy, enables in vivo imaging of deep brain structures and sheds light on brain functions.
A new simulation approach has enabled faster computation of complex airfoil noise characteristics under extreme conditions, accelerating the development of quieter designs. The method uses a wall-modeled large-eddy simulation to model near-surface flows at high resolution while reducing computational intensity.
Researchers demonstrate that high-resolution spectroscopy can detect water vapour and other chemicals in the atmospheres of exoplanets behind dense clouds. Models based on known exoplanets with clouds show promise for detecting trace species with just a few nights of observations.
Researchers have developed two new spectral variants of dLight1 sensor, allowing for the simultaneous assessment of dopamine and other neurochemical release. These sensors provide high resolution, real-time imaging of the spatial and temporal release of dopamine in live animals.
A team of international researchers developed propagation-invariant light fields using caustics that do not change during propagation. This breakthrough enables new applications in high-resolution microscopy, material processing, and multidimensional signal transmission.
A custom light-sheet microscope enables gentle observation of corals and their polyps for eight hours at high resolution. This technology sheds light on coral bleaching and symbiotic relationships.
Researchers have developed new techniques that can significantly reduce the time needed to process complex images from cutting-edge microscopes. These methods use deconvolution algorithm modifications, parallelization, and neural networks to speed up processing time by several thousand-fold.
Researchers at Tufts University developed biomaterial-based inks that respond to chemicals released from the body or environment, providing a detailed map of human response or exposure. The technology can detect a wide range of biological conditions and molecules, potentially tracking air quality and environmental monitoring.
A novel study uses optical coherence tomography to predict hemodynamic relevance of coronary lesions, reducing need for pressure wire and potentially saving patient risk and healthcare expenses. OCT parameters showed significant correlation with fractional flow reserve values.
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.
Researchers studied a small, toothless beak-like structure in prehistoric birds from the Cretaceous period. The predentary, found only in ancient ornithuromorphs, may have aided prey capture with proprioceptive capability and kinetic movement.
A team of researchers has developed a method to generate sufficient quantities of Luteoviridae viruses, allowing them to study their structures in high resolution. The technique involves using plant expression technology to create virus-like particles, which can be observed by cryo-electron microscopy.
This review analyzes the diagnostic value of ultrasound in evaluating 7 major arthritic conditions. Ultrasound is found to be effective in delineating characteristic features for each condition, making it a convenient and accurate imaging modality.
Researchers have discovered the structure of a ring-shaped doorkeeper in the TRPML2 ion channel, which controls its interaction with calcium ions. The pH value determines whether calcium ions can open or block the channel, regulating their transport across cellular membranes.
Researchers found a three-year breeding failure at Halley Bay colony due to unstable sea-ice conditions. The local population has largely disappeared, while nearby Dawson Lambton colony has increased in size as birds seek better breeding grounds.
Researchers at Xiamen University have created a device that enables the direct detection and mapping of chemicals inside biological cells. This breakthrough technique, called near-field desorption postionization time-of-flight mass spectrometer (NDPI-TOFMS), overcomes challenges in high-resolution imaging and provides undistorted chemi...
The study provides new insights into targeting the human T-cell immunoglobulin and mucin domain containing protein-3 (hTIM-3) for treating various cancers. The high-resolution structure of hTIM-3 will help develop useful therapeutics.
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.
Researchers found that low-resolution climate models fail to capture the complexity of regional rainfall systems, leading to underestimated projections. High-resolution models, on the other hand, project large increases in summer rainfall under certain scenarios.
Researchers have developed a new class of endoscopic imaging catheters that overcome the limitations of current systems, achieving higher resolution and functionality. The nano-optic endoscope incorporates metalenses into its design, enabling high-resolution imaging at extended depth of focus without complex optical components.
Researchers have discovered a nearly 15.5-mile-long fault zone with two parallel master faults and hundreds of smaller cross faults at the southern tip of the San Andreas Fault. The 'Durmid Ladder' structure may be the site of the region's next major earthquake, posing an increased surface-rupture hazard.
A new study by Maziar Heidari and colleagues introduces an adaptive resolution simulation technique that couples accurate models with simpler, idealized representations of solids. This approach enables efficient computation of thermodynamic properties at a reduced computational cost.
Research finds current Kyl-Bingaman Amendment limits US satellite imagery resolution, restricting scientific research opportunities in Israel and Palestine. An 'open-skies policy' is recommended to meet international standard of 0.5m.
Researchers at the IAC have identified a star with minimal heavy elements, providing insights into the formation of the Galaxy's first chemical elements. The star, located 7,500 light years from Earth, has a surface temperature of 400 degrees hotter than the Sun.
Researchers found that initial bone parameters significantly correlate with the risk of fracture in postmenopausal women. Peak bone mass and density appear to play a more crucial role in fragility fractures than previously thought.
Researchers at The Scripps Research Institute have discovered the workings of a promising treatment for Marburg virus, which has a mortality rate of up to 88 percent. The treatment, MR191, targets a conserved site on the virus and neutralizes it by mimicking the host receptor.
A two-year project will use drones and high-resolution imagery to estimate koala abundance, providing a robust survey method for detecting the native fauna. The State Government has committed additional $12.1 million for koala conservation, including ongoing funding for protection.
UCSB researchers have developed a method for 3D through-wall imaging using drones and WiFi, enabling objects to be imaged in real-time with high resolution. The technology has potential applications in emergency search-and-rescue, archaeological discovery, and structural monitoring.
Researchers developed a method to estimate crop yields from space using high-resolution satellites, which could improve agricultural productivity and test intervention strategies. By combining satellite imagery with computer models of crop growth, they achieved surprisingly accurate predictions of actual productivity on the field.
Researchers have developed a highly stretchable and UV curable elastomer that can be stretched by up to 1100%, making it suitable for 3D printing techniques. The new material enables the direct creation of complex structures and devices, such as soft robotic grippers, with significantly reduced fabrication time.
Researchers developed a novel image-based simulation approach that accounts for realistic architectural non-idealities and flow physics in tissue engineering scaffolds. This technology allows for correlating cell behavior and tissue growth with flow, tracking relationships over time via repeated scanning.
Researchers used high-resolution brain scans and machine learning algorithms to detect concussions in individual patients, achieving an 88% accuracy rate. The approach also predicted the severity of symptoms reported by patients.
Researchers at UVA have created a new imaging method that combines the advantages of MRI and gamma-ray imaging, enabling high-resolution medical diagnostics with minimal tracer material. The technique uses radioactive xenon isotopes to produce images with increased sensitivity and diagnostic power.
A new study from Queen Mary University of London found that listeners can distinguish between low and high resolution audio formats with training. The research analyzed data from over 12,000 trials and suggested that careful selection of stimuli plays a crucial role in identifying the difference.
A study led by Dr Alistair Evans from Monash University has simplified the understanding of human tooth evolution, allowing for predictions on missing teeth. The 'inhibitory cascade' rule reveals a pattern in tooth size that was previously thought to be more complex.