Sentences with phrase «electron microscopes at»

The below pictures were taken under electron microscopes at 5,000 x magnification.

The result is an array of oriented ordered porous pyramids with a well - defined cubic lattice of pores, confirmed by electron microscopes at the U.S. Department of Energy's (DOE's) EMSL, a scientific user facility.

The study used powerful electron microscopes at the University of Leeds» Astbury Centre for Structural Molecular Biology.

They used scanning electron microscopes at OIST to observe structural features of the molecules, such as layers and shapes.

Using a recently installed high - powered electron microscope at Imperial, a team of researchers lead by Dr Morgan Beeby from the Department of Life Sciences has been able visualize these motors in unprecedented detail.

Using a scanning transmission electron microscope at the Lawrence Berkeley National Laboratory's Molecular Foundry, Miao and his colleagues analyzed a small piece of tungsten, an element used in incandescent light bulbs.

So Banhart used a kind of substitute soldercreated on the spotto link two crossed nanotubes: he focused a narrow beam of electrons from a scanning electron microscope at the point where the tubes met, thereby converting contaminants on their surfaces into bridges made from graphite - like carbon that can conduct electricity.

Roberta has slaved away over an electron microscope at home in California, preparing beautiful sections of fossil insects.

They conducted two kinds of diffraction studies: neutron scattering experiments at the Los Alamos Neutron Science Center (LANSCE) at DOE's Los Alamos National Laboratory, and electron diffraction experiments using a transmission electron microscope at Brookhaven Lab.

As the structures are so tiny — each grain is only about the size of a virus — there is only one method with which the nanovortices can directly be observed while they are heated up and cooled down: «A special high - resolution electron microscope at the Ernst Ruska - Centre (ER - C) in Jülich is capable of making magnetic fields on the nanoscale holographically visible,» explains Almeida.

To find out, De Yoreo and team allowed calcium carbonate to mineralize under a specialized transmission electron microscope at the Molecular Foundry, a DOE Office of Science User Facility at DOE's Lawrence Berkeley National Laboratory.

Samples were critical point dried using a Tousimis Samdri - 780a and imaged by a Hitachi S2600 scanning electron microscope at Washington University's Central Institute of the Deaf.

Staff scientist Gang Ren (standing) and is postdoc colleague Lei Zhang can checking images of individual proteins from their cryo - electron microscope at Berkeley Lab's Molecular Foundry.

With help from using a Titan 80 - 300 aberration - corrected transmission electron microscope at EMSL and other instruments, they determined the reaction does not depend on the amount of steam added, which is indicative of benzene's adsorption on the catalyst.

By taking multiple images of the iron - platinum nanoparticle with an advanced electron microscope at Lawrence Berkeley National Laboratory and using powerful reconstruction algorithms developed at UCLA, the researchers determined the precise three - dimensional arrangement of atoms in the nanoparticle.

Researchers used a cryo - electron microscope at Berkeley Lab's Molecular Foundry for this study.

Not exact matches

Electron - microscope analysis of sediment samples revealed a strange - looking substance, streaked in a pattern that called to mind zebras, according to Michael Hochella, a distinguished professor at Virginia Tech concentrating in nanogeoscience.

Science looks closer at that circle through an electron microscope and discovers that it is made of measurable straight line segments.

At yet higher magnification, a slice through a neuron viewed in an electron microscope looks like a landscape seen from an airplane — one anatomist calls it the «cytoscape.»

The Brookhaven National Laboratory announced its plan for the state to invest $ 15 million for a state - of - the - art cryo - electron microscope located at the lab.

Looking at the hair under a scanning electron microscope backed up those findings: The treated hair fibers were visibly smoother than untreated hair, suggesting that the concoction coaxed the broken - down wheat gluten to form new bonds that replaced the damaged ones, the scientists say.

In 1990, Henderson was the first to use an electron microscope to produce «a three - dimensional image of a protein at atomic resolution.

In 1931, Ernst August Friedrich Ruska, while working at Siemens - Reiniger - Werke AG (precursor to present - day Siemens AG), built the first transmission electron microscope.

As an IIE - SRF fellow at the University of Gothenburg, Al - Handal is again able to use his expertise in taxonomy of marine diatoms, a type of microalgae, with the added advantage of direct access to a scanning electron microscope, which he didn't have in Iraq.

We have our first electron microscope working now and, while we are waiting for a second instrument to arrive in 18 months, we are developing and debugging the microscope, looking at samples for «friends and family,» and organising the process of allowing more general access.

The microscope's nanometer resolution will allow researchers to track particles floating in colloidal solutions (for example, nanoscale beads floating in a sample of paint) using equipment that is at least a tenth of the cost of an electron microscope.

Then in December 1993, he and Eric Erbe, a colleague at the U.S. Department of Agriculture's Electron Microscopy Unit in Beltsville, Maryland, started experimenting with a newly configured low - temperature scanning electron micElectron Microscopy Unit in Beltsville, Maryland, started experimenting with a newly configured low - temperature scanning electron micelectron microscope.

Then in 1990, after 15 years» work refining sample preparation and electron detection, Henderson succeeded in using an electron microscope to create an image of a large bacterial cell membrane protein called bacteriorhodopsin, and do it at atomic resolution.

The tiny creature's unusual structures only revealed themselves in detail when the amber went under the microscope at the German electron synchrotron (DESY).

Xin and his collaborators rotated 20 - nanometer - thick sheets of the post-reaction material inside a carefully calibrated transmission electron microscope (TEM) grid at CFN to catch the contours from every angle — a process called electron tomography.

Cobalt atoms shine in an electron microscope image of a new catalyst for hydrogen production invented at Rice University.

The image, captured by a scanning electron microscope, was taken as the nanowires grew on silicon at room temperature.

«Cryo - EM has revolutionized structural biology, particularly in the last three years, with the invention of new kinds of electron detectors for the microscope,» says Michael Rossmann, a physicist and microbiologist at Purdue University in West Lafayette, Ind., and a coauthor of the Zika mapping study.

Transmission Electron Microscope (TEM) images of Pd - Ni - P metallic glass at different temperatures show the phase transition that involves structural changes in atomic clusters.

This A-beta peptide fibril has been rendered in 3 - D by a transmission electron microscope, providing the most detailed look yet at the telltale sign of Alzheimer's disease.

And in 2006, researchers at Dresden Technical University, Germany, studied the swords with an electron microscope and discovered that their strength probably comes from carbon nanotubes and nanowires made from a mineral called cementite.

Because all of the atoms in graphene are at the surface, individual atoms and any defects in the structure are directly visible in a high resolution electron microscope, but at the same time they easily interact with the environment.

The team, led by Prof. Yuichi Ikuhara, applied the focused electron beam of a scanning transmission electron microscope (STEM) to irradiate SrNbO3.4 crystals, and demonstrated a precise control of a phase transformation from layered SrNbO3.4 to perovskite SrNbO3 at the atomic scale.

The researchers, who evaluated the BSCB in test animals at seven and 30 days after stroke modeling, found that ischemic stroke damaged the gray and white matter in the cervical spinal cord on both sides of the spinal column, based on analysis of electron microscope images.

(To look at something with an electron microscope, for instance, you often have to coat the object being observed with metal and place it in a vacuum.

Researchers at the Northwest Fisheries Science Center examined the water samples under a high - resolution scanning electron microscope to identify the species present.

So researchers decided to take a closer look at duck plumage, observing feather filaments belonging to four species, including the mallard (Anas platyrhynchos), under an electron microscope.

At the meeting, attendees discussed four broad goals for the proposed Observatory: expanding access to large scale electron microscopes; providing fabrication facilities for new, nanosized electrode systems; developing new optical and magnetic resonance brain activity imaging technologies; and finding new ways to analyze and store the staggering amount of data detailed brain studies can produce.

Using a specially built microscope capable of imaging matter at the atomic scale, the researchers were able to visualize traps, which can adversely affect the flow of electrons and elementary energy packets called excitons.

Examining thin sections of the teeth under a microscope and using technology at the McMaster - based Canadian Centre for Electron Microscopy, the researchers were able to show that anomalies formed in the dentin layers during years when victims failed to get enough Vitamin D to fully mineralize the structures that form dentin and bone.

Following their sodium fluoride scans, the patients had surgery to remove calcified plaques and the extracted tissue was imaged, this time at higher resolution, using a laboratory PET / CT scanner and an electron microscope.

At Cornell University, we developed and tested a new detector for electron microscopes that enables quantitative measurements of electric and magnetic fields from micrometers down to atomic resolution.

Using one of the world's most powerful soft X-ray microscopes — the Scanning Transmission X-ray Microscope (STXM) and X-ray Emission beamlines — at the Canadian Light Source in tandem with one of the world's highest resolution aberration - corrected transmission electron microscopes housed at the University of Illinois at Chicago (UIC), Banerjee and collaborators from the Lawrence Berkeley National Laboratory, the UIC and Argonne National Laboratory were able to observe the unique electronic properties of their novel vanadium pentoxide and directly prove magnesium - ion intercalation into the material.

«Our state - of - art transmission electron microscope is a unique tool to see extremely tiny features, such as single atoms,» said Sooyeon Hwang, a scientist at CFN and a co-author on the paper.

«This is not the first demonstration of an electron vortex, but it is the first time it has been demonstrated in a way that can easily be implemented in many electron microscopes,» says Javier García de Abajo, an electron microscopy expert at the Institute of Optics in Madrid.