Sentences with phrase «using scanning electron microscopes»

The atomic seams are so tight, in fact, that when they looked up close using scanning electron microscopes, they saw that the larger of the two materials puckers a little around the joint.
Using a scanning electron microscope to examine minute fossils, Porter found perfectly circular drill holes that may have been formed by an ancient relation of Vampyrellidae amoebae.
Using a scanning electron microscope, Schultz found signs of prostate cancer in the prince's skeleton.
They used scanning electron microscopes at OIST to observe structural features of the molecules, such as layers and shapes.
Lithium batteries can't survive immersion, and saltwater corrodes electronics, but forensics experts can tease apart microchips and, if necessary, use scanning electron microscopes to probe the data stored in components like solid state memory chips.
However, researchers were able to both culture samples from the medical equipment and see it on the surface of temperature probes using a scanning electron microscope.
Image of a ferromagnetic ring prepared using a scanning electron microscope: The magnetization (black / white contrast) runs along the ring and forms two domain walls.
They used a scanning electron microscope and focused ion beam to obtain thin - slice images of the membrane, which they analyzed with software, rebuilding the three - dimensional structure of the membranes to determine fuel cell longevity.
So the researchers took a closer look at the scales using a scanning electron microscope and similar tools.
Scientists have to use a scanning electron microscope, which must peer at objects in a vacuum because air molecules absorb the electrons that the microscope depends on to take the picture.
Biomechanics expert Andrew Martin and colleagues at the Institute for Technical Zoology and Bionics in Bremen, Germany, used a scanning electron microscope to look at the feet of a small jumping spider (Evarcha arcuata).
We had to use a scanning electron microscope,» said Adam Wall, lead author of the scientific paper describing the new discovery.
His team uses a scanning electron microscope to take highly detailed pictures of items, x-ray microanalysis to determine the elements in the sample and infrared microscopy to identify polymers.
The paleontologists used a scanning electron microscope and a synchrotron to do a thorough examination and analysis of tooth slices from eight carnivorous theropods, including Tyrannosaurus rex, Allosaurus, Coelophysis and Gorgosaurus.
Using a scanning electron microscope (SEM) at magnifications ranging from 10 to 3,300 times, Fisher presents the bee's features with unimaginably intricate levels of detail.

Not exact matches

The researchers used an ultrastable, variable - temperature stage in an aberration - corrected scanning transmission electron microscope to subject an array of size - selected gold nanoparticles (or clusters) to temperatures as high as 500 °C while imaging them with atomic resolution.
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.
Wergin and Erbe have used their low - temperature scanning electron microscope to infer what happens when falling ice crystals run into fogs of supercooled water droplets on their way down, a common occurrence.
The new method uses a scanning transmission electron microscope to bombard a film with a beam of high - energy particles.
For the remarkable new book BEE from Princeton Architectural Press, photographer Rose - Lynn Fisher used a high - resolution scanning electron microscope to reveal the gorgeous complexities of honeybee anatomy.
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.
To test this idea, Szibor's graduate student, Christoph Schubert, tracked pollen counts in his own nose for a year using what he termed a «handkerchief test» — after blowing his nose, he would identify the types of pollen in the mucus using light and scanning electron microscopes.
Yarn made of niobium nanowires, seen here in a scanning electron microscope image (background), can be used to make very efficient supercapacitors, MIT researchers have found.
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.
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.
Researchers have traditionally used scanning transmission electron microscopes to determine where atoms are located within materials.
This is a scanning electron microscope image of newly - grown enamel using amelogenin - chitosan hydrogel.
A team led by Jian Zi of Fudan University in Shanghai examined peacock tail feathers using both an optical microscope and a scanning electron microscope.
By using an atomic - resolution aberration - corrected (scanning) transmission electron microscope in combination with micromagnetic simulations the authors could reveal for the first time the atomic structure of the single phases present and establish a direct correlation to the macroscopic magnetic properties.
Drivers will use electrons from the tip of a scanning tunnelling microscope (STM) to help jolt their molecules along, typically by just 0.3 nano - metres each time — making 100 nanometres «a pretty long distance», notes physicist Leonhard Grill of the University of Graz, Austria, who co-leads a US — Austrian team in the race.
Other workshops covered high - performance computers, scanning electron microscopes and making maps of the stars using the university's radio telescopes.
When the scientists examined the digested sheets using scanning electron and atomic force microscopes, they saw that the bacteria had excavated 0.4 - µm - deep pits on the plastic film.
To verify these results, researchers in Ozcan's lab used other imaging devices, including a scanning electron microscope and a photon - counting confocal microscope.
FEBID uses an electron beam from a scanning electron microscope to condense gaseous precursor molecules into a solid deposit on a surface.
Scanning electron microscopes used were JEOL T300, Zeiss Supra and Cambridge S200.
The project also used the expertise of staff and several advanced instruments — environmental transmission and scanning electron microscopes, an X-ray photoelectron spectrometer and a Mössbauer spectrometer — at EMSL, the Environmental Molecular Sciences Laboratory, a DOE Office of Science User Facility at PNNL.
Then, experimentalists Peter Sprau and Andrey Kostin (both of Brookhaven Lab and Cornell) used a scanning tunneling microscope at the Center for Emergent Superconductivity - a DOE Energy Frontier Research Center at Brookhaven Lab - to measure the energy and momentum of electrons in iron - selenide samples that were synthesized by Anna Bohmer and Paul Canfield at DOE's Ames Laboratory.
A scanning electron microscope: design, detection of secondary and reflected electrons, image creation, X-ray origin and its use for qualitative and quantitative microanalysis, biological specimens» preparation (fixation, dehydration, drying of specimens — a critical point method, frost preparation methods), SEM image digitalization.
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.
A team led by Robert Weatherup of the University of Cambridge in the UK and the Lawrence Berkeley National Laboratory in the US obtained their videos using a specifically modified scanning electron microscope (SEM).
The ORNL study published in the journal Small demonstrates how scanning transmission electron microscopes, normally used as imaging tools, are also capable of precision sculpting of nanometer - sized 3 - D features in complex oxide materials.
The use of a scanning transmission electron microscope, which passes an electron beam through a bulk material, sets the approach apart from lithography techniques that only pattern or manipulate a material's surface.
The research, a 3 - way collaboration between Birmingham, Swansea and Genoa, used an ultrastable, variable - temperature stage in an aberration - corrected scanning transmission electron microscope to subject an array of size - selected Au nanoparticles (or clusters) to temperatures as high as 500 °C while imaging them with atomic resolution.
Topics discussed include user - controlled functions of scanning electron microscopes and x-ray spectrometers and the use of x-rays for qualitative and quantitative analysis.
Through the use of ORNL's aberration - corrected scanning transmission electron microscope and electron energy loss spectroscopy, ORNL researchers were able to provide the first direct observation of the often proposed ORR active site, FeN4, at an atomic level.
Similarly, scientific images obtained through the use of high technology, such as scanning electron microscopes and 3 - D imagery, contribute greatly to the current popular appeal of nature photography.
Concerning SEM study a bone slice, adjacent to that used for light microscopy, was examined using Cambridge 250 Mark 3 scanning electron microscope, working at 20 kV beam voltage.
The work was done using tools developed in Zhu's group that enabled the team to conduct experiments on nanowires while they were in a scanning electron microscope.
A University of Illinois program allows students anywhere in the country to use the university's $ 600,000 environmental scanning electron microscope via the Internet.
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