Articles tagged with Electron Microscopy
A study by University of Plymouth found that washing clothes can release hundreds of thousands of tiny synthetic particles into the environment. The research suggests that laundry could be a significant source of microplastics in wastewater, with potential harmful effects on aquatic life.
A team of Japanese researchers has elucidated the structure of the bacterial flagellar motor protein MotA from a hot spring bacterium. The study reveals that MotA forms a tetramer complex with a unique shape differing from previous predictions, and can exist independently of another transmembrane protein MotB.
Researchers capture images of smallest human protein, STRA6, responsible for transporting vitamin A into cells. The study reveals unusual features and potential protection mechanism against excessive vitamin A.
Designing new materials requires collaboration between theory, synthesis, and characterization. Researchers at Penn State used subatomic microscopy to study strain-induced ferroelectricity in a layered oxide, which could lead to new classes of materials with useful properties.
Researchers at Columbia University Medical Center have captured images of the vitamin A transporter protein STRA6 using electron microscopy. The images revealed that STRA6 transports vitamin A through an intermediary protein, providing new insights into cellular function and potentially leading to the development of therapeutic targets.
Researchers create ultrafast electron imaging instrument to map electromagnetic fields oscillating at billions of cycles per second. The new technology enables precise detection and measurement of tiny, rapidly oscillating electromagnetic fields.
Researchers at University of Missouri have developed a new, low-cost imaging platform that enables single molecule imaging with ordinary microscopes. The patented method uses surface plasmon resonance to achieve super-resolution imaging down to 65 nanometers.
Researchers developed high-precision X-ray deformable mirrors for controllable beam size and formed three types of focused beams without changing experimental setups. This paves the way for a multifunctional X-ray microscope to perform various analyses in one device, enhancing flexibility and range of uses.
The MCU structure is a homopentamer with a hydrophilic pore, featuring two carboxylate rings as the ion selectivity filter. This novel ion channel architecture suggests a passage for calcium transport.
A proof-of-concept study demonstrates a new method using super-resolution microscopy can accurately diagnose rare platelet disorders, offering an alternative to costly and resource-intensive electron microscopy. This innovative approach provides personalized treatment options, saving the NHS money and improving patient outcomes.
Researchers from McMaster University successfully tracked individual catalyst nanoparticles during heating using advanced electron microscopy techniques. This breakthrough could lead to the development of less expensive catalysts, such as platinum-iron nanoparticles, reducing dependence on imported oil and greenhouse gas emissions.
Researchers have unlocked the structure of a plant virus using groundbreaking microscopy, revealing key to building custom virus-like particles that can carry medicines into the human body. The findings could lead to the development of targeted medicines.
Researchers at the University of Leeds captured images of motor protein dynein in action using electron microscopes. The study revealed a hinge between the motor's arms and its track, allowing flexibility in movement.
Researchers at RIKEN Brain Science Institute developed a new optical clearing technique called Sca l eS, enabling the creation of transparent brain samples for detailed analysis. The technique has provided new insights into Alzheimer's disease pathology and revealed associations between amyloid beta plaques and microglial cells.
Rice University researchers have developed a new technique to characterize the space within porous materials, allowing them to measure dimensions and dynamics at the nanoscale. This breakthrough could improve protein separation processes for the pharmaceutical industry.
Scientists have finally understood the structure of a flexible plant virus that has resisted description for over 75 years, revolutionizing efforts to stop such viruses and potentially leading to new vaccine delivery methods.
EPFL scientists have developed a new method called cryofixation to preserve the brain's true structure, overcoming distortion caused by traditional fixation methods. This breakthrough allows for unprecedented detail in brain imaging and has significant implications for understanding brain anatomy and function.
Ze'ev Reches and collaborators study earthquake instability and fault weakening mechanisms using electron microscopy. They find phase transformation and nano-size grains are associated with profound weakening, resolving two major conflicts in laboratory results and natural faulting.
Researchers developed a hybrid approach combining core-loss spectroscopy and ultrafast four-dimensional electron microscopy to visualize structural dynamics of atomic-scale materials. The technique revealed tiny electronic changes in individual atoms within a material on ultrafast time scales.
Scientists found small square crystals of ice at room temperature in a transparent nanoscale capillary made from graphene, which allowed them to see individual water molecules. The researchers used computer simulations to find that thin layers of water can form square ice independently of the material's chemical makeup.
UC Davis researchers use new techniques in electron microscopy to study HIV and other viruses. They find that the gp120 trimer associates with gp41 to form a structure that allows HIV to enter host cells. The study also reveals how viruses hijack cellular processes to enter cells, shedding light on potential vaccine targets.
Researchers have successfully observed atomic positions and electron distribution during the transformation of vanadium dioxide from a semiconductor to a metal. This achievement marks the first time that experiments can distinguish between atomic-lattice structure changes and electron relocation at ultrafast speeds.
Scientists discovered a new material, WTe2, exhibiting unlimited growth in magnetoresistance when exposed to strong magnetic fields. This phenomenon could be useful for detecting magnetic fields in scanners.
Researchers have successfully imaged gold nanoparticles at atomic resolution using high-resolution electron microscopy, revealing a crystalline structure with 68 gold atoms. The breakthrough opens the way for understanding and practical applications of nanoparticle structures.
Biologists at MTSU have optimized FIB-SEM technology to image plant cell architecture, revealing previously unseen aspects of organelle organization and function. The technology provides high-resolution images of plant cells, allowing researchers to explore new questions and expand their understanding of plant development.
A team of scientists has visualized the desorption of oxygen molecules from a silver surface using low-energy electron microscopy. They found that the process involves isolated islands breaking up on the surface, leading to discrepancies between theoretical predictions and experimental measurements.
Researchers at the University of Illinois Chicago have developed a graphene 'sandwich' that enables atomic-level imaging of biomolecules in their natural state. This breakthrough improves resolution and minimizes damage to samples, opening up analysis of difficult-to-image biological samples.
Researchers at Caltech used high-resolution electron microscopy to visualize HIV infection in the gut of an infected mouse model. The study revealed novel observations about HIV behavior, including semisynchronous wave patterns of virus release from infected cells and transmission through free pools of virus.
A new microscope allows scientists to capture the movements of atoms and molecules at the nanoscale, revealing crucial functions in nanoscale devices. This breakthrough has applications in nanoelectronic technologies and clean-energy industries.
Scientists at Rice University have created a method to locate specific sequences along single strands of DNA, which could help diagnose genetic diseases. The 'motion blur point accumulation' technique resolves structures as small as 30 nanometers by capturing images of fluorescent probes binding to target DNA.
Researchers used a new electron microscopy method to study high-pressure samples of carbon, detecting unexpected atom types and locations within minerals. The findings explain how large amounts of carbon reside in the Earth's interior, addressing a long-standing problem.
Researchers create a method to convert conventional microscopes into high-resolution imaging systems that outperform standard microscopes. The new system combines the field-of-view advantage of a 2X lens with the resolution advantage of a 20X lens, producing images with 100 times more information.
Researchers at EMBL used super-resolution microscopy to determine the arrangement of Y-shaped molecules in the nuclear pore complex, resolving a decade-old controversy. The study found that the Ys lie in an orderly circle around the opening, with all arms pointing towards the centre.
Researchers develop a platinum-nickel nano-octahedra material that accelerates hydrogen and oxygen conversion to water, saving 90% of typical platinum usage. The unique atomic structure enhances reactivity while limiting lifetime.
Biologist Luis Vidali will explore how components of a cell's internal anatomy organize themselves to grow in a single direction, critical for vital functions in animals, plants, and fungi. He will use genetic techniques, advanced microscopy, and computer simulations to compile a complete picture of the mechanisms involved.
A $4 million international collaboration aims to create a noninvasive quantum electron microscope, enabling real-time imaging of living cells at molecular resolution without radiation damage. The project has the potential to revolutionize our understanding of biology and fundamental physics.
Researchers at Berkeley Lab's Advanced Light Source are transforming X-ray microscopy into a widely available form of high-resolution imaging. State-of-the-art instruments can create three-dimensional images with elemental and/or chemical sensitivity, allowing for unprecedented insights into biological systems.
Scientists at Caltech have developed a unique microscope that captures the motion of DNA structures in both space and time, allowing them to directly measure stiffness and map its variation. This breakthrough technique has far-reaching implications for understanding biological nanomaterials and their properties.
Researchers at TUM and PSI have developed a method to visualize material fluctuations and nanostructures using X-ray microscopy. This technique relaxes the hard restrictions of immobility required for high-quality imaging, enabling the visualization of previously inaccessible objects.
Researchers share code for Amazon Cloud that significantly reduces time necessary to process super-resolution images, enabling biologists to study molecular machines like proteins and enzymes in greater detail. The method saves over a week's worth of time, making it possible to analyze data within hours instead of days.
Researchers at TSRI have determined the structure of Ltn1, a 'quality-control' protein that ensures protein-making machinery works smoothly. The study suggests Ltn1 may be relevant to human neurodegenerative diseases such as ALS.
Researchers developed a new nanotech tool to probe solar-energy conversion, revealing exquisite chemical details with a resolution thought impossible. The tool combines scan/probe microscopy and optical spectroscopy, enabling scientists to examine nanoscale chemistry and interactions with light.
Researchers from MIT have developed a new tag, APEX, that enables high-resolution visualization of proteins in cells using electron microscopy. The APEX tag allows scientists to label and identify specific proteins with unprecedented clarity, resolving open questions regarding protein locations and functions.
Cold atmospheric gas plasma technology has shown promise in inactivating Salmonella on fresh produce, but exposure length varies greatly depending on the type of produce. Researchers discovered that food surfaces' microscopic structures can block plasma from reaching bacteria, affecting treatment efficacy.
Researchers can now navigate biological tissues from whole embryo to subcellular structures thanks to virtual nanoscopy and enhanced JCB DataViewer. The technique allows for exceptional opportunities for future discoveries by integrating information across cells and tissues.
Researchers at EMBL develop method to follow molecules under light and electron microscope, revealing crucial protein interactions in endocytosis process. They discover actin scaffolding protein forms network pulling membrane inwards.
Scientists at the University of Illinois have developed new microscopy techniques to analyze pollen grains, enabling better classification of prehistoric flora. The research highlights the importance of pollen morphology in understanding the evolution and diversity of ancient vegetation.
Berkeley Lab scientists create thinnest possible films of gold-silicon eutectic alloys and observe peculiar patterns of circles surrounded by blisters. The team finds that thinner gold layers lead to faster reaction rates and the formation of perfect squares in the center of the circular denuded zones.
The University of York team has developed electron beams with orbital angular momentum, enabling the efficient examination of magnetic materials. This breakthrough promises novel applications in nanoparticle manipulation and edge contrast detection.
Scientists have developed a new technique that allows them to create detailed 3D images of individual proteins using cryo-electron microscopy. This breakthrough enables researchers to study the flexibility and movement of proteins, which is crucial for understanding their function and developing new drugs.
University of Alberta researchers create a miniature model of oil-trapping rock layers using core samples from drilling sites. The 'reservoir on a chip' model helps energy companies determine optimal water and chemical concentrations for maximum oil recovery.
A new electron microscopy method resolves the structure of tiny crystals, opening up a door to nanostructures. The method is faster and more accurate than conventional methods, allowing for detailed analysis of materials like zeolites and minerals.
The study reveals that neurons normalize receiving signals by adjusting their morphological characteristics, making it easier to receive farther signals. The research team's 3D image reconstruction of minute dendritic tree morphology demonstrates the size and distance of dendritic trees determine signal clarity and strength.
Scientists at UCSD and colleagues create a new type of genetic tag visible under electron microscopy, enabling detailed three-dimensional images of individual cells. The breakthrough enhances electron microscopy capabilities, allowing researchers to visualize proteins in unprecedented detail.
UCSD scientists create a new type of genetic tag visible under an electron microscope, allowing for detailed, three-dimensional images of individual cells. The modified protein, dubbed miniSOG, produces abundant singlet oxygen when exposed to blue light, enabling its visualization.
Scientists at NIST have developed a method to measure the wear and degradation of AFM tips in real time, allowing for dramatic improvements in precision and speed. This technique uses contact resonance force microscopy to track the resonant frequency of the sensor tip, enabling atomic-scale resolution and reducing inaccuracies.
Researchers have created a carbon cloak made of graphene that protects bacterial cells from shrinking under electron microscopes, allowing for high-resolution imaging. The graphene cloak uses the material's impermeability and strength to retain water in the cells, enabling scientists to observe them at their natural size.
A team of researchers at Harvard Medical School has developed a technique to unravel the complex neural circuits in the brain. By crawling through individual connections, they created a partial wiring diagram that revealed interesting insights into how the brain functions.
Scientists have developed a microscope that can see objects as small as 50 nanometres, beyond the theoretical limit of optical microscopy. This breakthrough enables potential examination of human cells and live viruses for the first time, revolutionizing cell study and biomedicine.
Researchers at the National Institute for Nanotechnology have created the world's sharpest man-made object, a tungsten microscope tip with a diameter of just one atom. The breakthrough was achieved using a patented controlled etching method and has potential commercial applications.