Articles tagged with Electron Microscopy
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.
Researchers Marta Rossell and Rolf Erni developed a new technique to study the 3D structure of nanoparticles, enabling the determination of their atomic arrangement. This breakthrough could improve understanding of nanoparticle properties, reactivity, and toxicity.
The team aims to create images revealing micro- and macroscopic matter with improved clarity, surpassing traditional microscopy resolution by 10-fold. This enables scientists to study living tissue in its natural state without sample manipulation.
Researchers have developed a new X-ray microscope that delivers immediate 3D images of entire living cells, closing the gap between conventional microscopic techniques. The new method allows for high-resolution imaging without chemical fixation or labelling, enabling detailed study of cellular ultrastructure.
A Scripps Research team has successfully imaged the formation of cells' protein factories using a novel technique. The breakthrough could lead to new antibiotic development and treatments for diseases tied to ribosome errors. The study offers insights into cellular processes and may uncover new targets for therapeutic interventions.
Scientists at EMBL discovered that a molecular signal triggers cell shape change necessary for zebrafish lateral line development. This change in shape allows cells to migrate properly along the embryo's sides, forming a rosette structure.
Researchers have successfully imaged the internal tissues of a soft-bodied marine worm using micro-computed x-ray tomography (micro-CT) without dissection or destructive methods. This technique allows for high-definition images and three-dimensional rotating views, enabling detailed study of functional anatomy.
Researchers used electron microscopy to observe Xylella fastidiosa bacteria breaking down plant cell walls, weakening and killing grape plants. The study aims to understand the disease's progression and develop prevention strategies.
MIT researchers use high-speed atomic force microscopy to image bacteria in real-time, revealing a two-step process for AMP-induced cell death. The technique allows scientists to study living cells and gain insights into how bacteria become resistant to antimicrobial peptides.
Researchers at Caltech have developed a technique to image photons of nanoscale structures and visualize their architecture using 4D electron microscopy. The method allows for the observation of fleeting changes in the structure of nanoscale matter, enabling new insights into fields such as plasmonics and photonics.
Researchers have produced the first images of biological cells using a nanoscale X-ray imaging technique called ptychography. The technique enables accurate maps of electron density in biological samples, which could yield important insights for evolutionary biology and biotechnology.
Researchers used a special electron microscope to make three-dimensional images of nano-particles that form the basis of bone, tooth and shell growth. The results provide improved understanding of these processes and promise better materials for industrial applications.
The University of Texas at San Antonio has received a $1.2 million gift to purchase an aberration-corrected electron microscope, one of only two worldwide. This instrument will aid researchers in developing new cancer therapies and treatments, while also advancing research globally across various disciplines.
A team of researchers at CIC nanoGUNE and Max Planck Institutes developed a non-invasive method to map strain fields in semiconductors using scattering-type Scanning Near-field Optical Microscopy (s-SNOM). The technique resolves nanoscale material properties with 20 nm spatial resolution.
Researchers at Caltech have developed a new technique called four-dimensional electron microscopy, which allows for the real-time visualization of atomic changes in materials. The technique uses ultrafast single-electron imaging to capture snapshots of molecules in motion, revealing the dynamics of structure and shape at the atomic scale.
Researchers at NIST create a focused ion beam with cold atoms, offering a non-contaminating alternative to hot gallium ions for nanoscale features and imaging. The technique enables precise cutting and enhanced resolution, opening up new possibilities for nanotechnology and microscopy.
The Titan 80-300 Cubed microscope offers unprecedented resolution, allowing for the identification of atoms and probe electrons at the atomic level. This technology will enable advancements in fields such as materials science, energy production, and pharmaceuticals.
Researchers have used X-ray diffraction to create the first 3-D images of aerogel structures at nanometer-scale resolution. The study reveals a complex 'blob-and-beam' structure that explains the material's surprising strength and suggests ways to improve its properties.
Researchers at the University of Illinois have developed a new technique to image cells under an electron microscope, yielding a sharper picture of chromatin structure. This method allows for enhanced staining and structural preservation, enabling scientists to study chromatin packing and gene expression in high resolution.
Researchers have achieved images of a virus in detail two times greater than previously achieved using single-particle electron cryomicroscopy. This breakthrough provides valuable information for developing disease treatments and allows for the study of tiny biological machines found throughout our bodies.
Researchers discovered ultrafast electron microscopy reveals switchable nanochannels in copper and TCNQ crystals. These micromaterials stretch under laser pulses, exhibiting reversible optomechanical phenomena useful for nanoelectronic applications.
Researchers at the Max Planck Institute developed a technique called optical 3D far-field microscopy using photoswitchable rhodamine amides, allowing for highly resolved 3D images of transparent fluorescence-marked samples. The method can capture nanoscale resolution with good signal-to-noise ratio and relatively short exposure times.
Researchers at University of Sheffield have developed a new technique to enhance x-ray microscope images, enabling the capture of high-resolution 3D images of any molecular structure. They aim to develop the ultimate x-ray microscope with computer-aided image processing and potentially replace lenses with solid-state optical microscopes.
Researchers at Max Planck Institute for Solid State Research and University of Manchester fabricate ultra-thin membranes made of graphene, a single layer of carbon atoms. The membranes have demonstrated stability comparable to corrugated cardboard despite their thinness.
Researchers have used a new type of light microscope to visualize the distribution of H2AX proteins in the cell nucleus, revealing clusters that direct DNA repair after damage. This discovery provides new insights into the complex process of gene repair and its relationship with other nuclear components.
A team of researchers has captured images of molecular motors' structural changes using electron microscopy. The findings provide insights into the mechanisms behind these tiny molecules' movements, which power cellular processes like cell division.
A new light microscope allows scientists to peer deep inside cells and study protein organization at a molecular level. This technology, called photoactivated localization microscopy (PALM), has the potential to unlock secrets of intracellular dynamics and provide new insights into cellular structures and proteins.
Scientists have developed a new light microscope that can image cellular proteins with near-molecular resolution, surpassing conventional optical microscopes. This technique, called photoactivated localization microscopy (PALM), allows researchers to discriminate molecules separated by as little as two to 25 nanometers apart.
Scientists at the University of Alberta developed a unique coating process to make the sharpest tip known, opening doors to new possibilities in electron microscopy and nanotechnology. The sharp tips can withstand extreme temperatures and enable finer resolution in electron microscopes.
Scientists have visualized individual synaptic vesicles and proteins using Stimulated Emission Depletion (STED) microscopy, resolving the diffraction barrier. They found that synaptotagmin molecules remain together after fusion, enabling efficient neurotransmitter release.
UC San Diego scientists chart rapid progress in developing new fluorescent probes to study proteins in living cells. These techniques enable the localization of molecular machines in situ by electron microscopy.
Researchers capture the structure of a virus poised to inject its genetic material into a host cell for the first time, providing unprecedented detail. The images show a long coil of DNA dangling inside the viral shell, waiting to be ejected via a protein channel just inside the shell exterior.
Researchers at Berkeley Lab's Center for X-Ray Optics achieved a resolution of better than 15 nanometers using zone plate lenses, surpassing previous limits. The new technique allows for the fabrication of small three-dimensional structures and has potential applications in biology, chemistry, and nanotechnology.
Researchers at UQ's IMB have discovered a new pathway for particle and nutrient uptake into cells, which is vitally important for cellular survival. This finding presents unexplored avenues for developing new drugs to fight certain viral infections and opening up possibilities for drug delivery or gene therapy.
The new AEM will enable researchers to gain new insights into the interrelationships between atomic arrangement and material properties. It will support projects in fuel cell research, magnetic nanostructures, smart coatings, semiconductor quantum dots and biomedical research.
Nanoparticles are designed to detect specific molecules and transport them using an electric field, allowing for accurate sensing. The device uses microscopic needles to take up tissue fluid and mix it with nanoparticles, which then move the samples to a detection area.
A team of researchers demonstrated the use of Telescience to facilitate international biomedical research, showcasing an international consortium of users and globally-distributed resources. They successfully transferred data over IPv6 networks at speeds of over 1Gbit/second.
Graphite exhibits superlubrication when layers rotate relative to each other, reducing resistance and enabling smooth sliding. A new friction force sensor allows researchers to study this phenomenon, which could improve the lubricating qualities of graphite.
The University of Colorado at Boulder has acquired two state-of-the-art electron microscopes, enabling researchers to image cellular structures in three dimensions at unprecedented resolution. This advancement is made possible by a suite of complementing computers that run programs developed by CU-Boulder researchers.
UT Southwestern Medical Center has acquired a custom-crafted cryo-electron microscope to propel its cell-research capabilities. The new technology enables the analysis of sub-cell structures at sites in the cell where processes take place, providing valuable insights into cellular biology and disease mechanisms.
Researchers at UMass have created a miniature UMass logo using nanotechnology, with potential applications in creating smaller electronic devices and increasing magnetic storage. This breakthrough is part of a larger push to develop new technologies through the study of nature's own self-assembling molecular structures.
Researchers used electron microscopy to analyze 18th century Staffordshire-style earthenware, finding varying amounts of oxides added for color. The study suggests that cheap knock-offs may have been made and passed off as authentic Staffordshire pottery, highlighting the potential for mass production in the industry.
Researchers have created a new tool to correct distortions in microscopes, allowing for enhanced resolution and accuracy in studying tiny surfaces. The innovation uses an electron mirror to cancel aberrations caused by lenses, leading to practical applications such as smaller miniature probes and improved instruments.