Sentences with phrase «electron microscopy on»

Using electron microscopy on the thermophilic AOM cultures this idea was confirmed.
Using an integrative approach that combined electron microscopy on the Env trimer complex with PGT151 (led by the Ward lab) with the structure of the PGT151 Fab by x-ray crystallography (led by the Wilson lab), the scientists were able to visualize the location of the PGT151 - series binding site on the Env trimer — which includes a spot on one gp41 protein with two associated sugars (glycans), a patch on the gp120 protein and even a piece of the adjacent gp41 within the trimer structure — «a very complex epitope,» said Claudia Blattner, a research associate in the Wilson laboratory at TSRI and member of the IAVI Neutralizing Antibody Center who, along with graduate student Jeong Hyun Lee, was a first author of the second paper.
This study using cry - electron microscopy on tau from an Alzheimer patient's brain substantially advances what we know.
In 1983, the two collaborated on a project for which Trojanowski did electron microscopy on the filamentous inclusions that formed when NGF interacted with PC12 cells, and Lee did the biochemistry of the receptor - NGF interaction.
To help with understanding the crystal structure, Steve Hackney, professor of materials science at Michigan Tech, was able to provide crucial high - resolution images and diffraction patterns using transmission electron microscopy on ultrathin samples prepared with a diamond knife by Owen Mills, director of Michigan Tech's Applied Chemical & Morphological Analysis Laboratory.
Their tests with transmission electron microscopy on the nanocrystals, which form as ultrathin films, plates and tiny particles, reveal the desired quality and uniformity.

Not exact matches

We conclude with current explorations in imaging of nanomaterials and biostructures and an outlook on possible future directions in space - time, 4D electron microscopy.
Over the last half - century, protein structure data from imaging techniques like X-ray diffraction and electron microscopy has mounted, and protein structure databases store at - the - ready information on sequencing and structure.
By means of environmental transmission electron microscopy (ETEM), structural modifications on the atomic level of the material were visualized.
In 2017, the Nobel Prize for Chemistry was awarded to three scientists (Jacques Dubochet, Joachim Frank, and Richard Henderson) for their work on the development of cryo - electron microscopy.
This achievement has been made possible by using high - resolution cryo - electron microscopy, a technique brought to the CNIO thanks to Óscar Llorca, director of the Structural Biology Programme and lead author on the paper published in Nature Communications.
The structure of RuO2 (110) and the mechanism for catalytic carbon monoxide oxidation on this surface were studied by low - energy electron diffraction, scanning tunneling microscopy, and density - functional calculations.
This work, with the assistance of soil scientists at the University of KwaZulu - Natal, has involved a suite of techniques, including x-ray fluorescence (to provide quantitative data on minor and trace element composition), x-ray diffraction (to reveal crystal structure and parent rock types of paint ingredients), and environmental scanning electron microscopy (to yield qualitative data on elements present).
In microscopy much effort is invested in reducing the impact of light or electron beam — the so - called observer effect» — on the sample to ensure that the images represent truly pristine structures, unaffected by the process of measurement.
The research was carried out by experts in synthetic and theoretical chemistry, materials and electron microscopy and builds on Professor Khlobystov's concept of carbon nano test tubes (World's tiniest test tubes, Guinness Book of World Records 2005), where the nanotube acts as a container for molecules.
Cancer Virus made me reflect on just how quickly biology has progressed: in the 1960s, electron microscopy was in its infancy, and DNA - based techniques for characterising what might be lurking in tissue simply didn't exist.
Three - dimensional image using scanning tunneling electron microscopy of electrons on the surface of a Weyl semi-metal, a kind of crystal with unusual conducting and insulating properties.
The focus is on protein detection in live versus fixed cells: determination of protein expression, localization, activity state, and the possibility for combination of fluorescent light microscopy with electron microscopy.
The structure of this complex, determined using cryo - electron microscopy, shows how it converts near - infrared light into an electrical charge in order to power cell metabolism, which enables this bacterium to live at the extreme red limit of photosynthesis on Earth.
«Majority of Anna's hummingbirds may have feather mites on their tail feathers: Tabletop scanning electron microscopy enabled analysis of P. huitzilopochtlii distribution in situ.»
This is a scanning electron microscopy image of a calcite crystal generated in the presence of the sea urchin protein rSpSM50 on a silicon wafer showing organized nanotexturing on exposed surfaces.
Co-author Lisa Tell summarizes: «This study was exciting because not only were we able to document the presence of a mite on feathers from two species of hummingbirds found in California, but we were also able to examine the positioning of live feather mites in situ with electron microscopy that is portable enough to use in the field.»
We're still fully focused on neurobiology and imaging but we've hired people in structural biology, particularly in cryo - EM [electron microscopy].
On September 12, a regional EPA office volunteered to send 30 to 40 electron microscopes to Ground Zero to test bulk dust samples for the presence of asbestos fibers, according to EPA whistle - blower Cate Jenkins, yet the local EPA office declined the offer, opting for the less effective polarized light microscopy testing method instead.
This is a cross-sectional scanning electron microscopy images of a 750 nm period grating fabricated by focused ion beam milling in a 300 nm thick amorphous germanium antimony telluride film on silica.
17 Not to be outdone, Stanford scientists used scanning tunneling microscopy and holograms to write information within the interference patterns formed by electron waves on a copper sheet.
A similar combination of computational modeling based on quantum mechanics, molecular dynamics, and direct observation using electron microscopy «can probably be applied to many systems,» Buehler says.
The electron microscopy work was a collaboration with Elizabeth Wright, PhD, Emory associate professor of pediatrics and co-senior author on the paper, and her colleagues at Emory's Robert P. Apkarian Integrated Electron Microscoelectron microscopy work was a collaboration with Elizabeth Wright, PhD, Emory associate professor of pediatrics and co-senior author on the paper, and her colleagues at Emory's Robert P. Apkarian Integrated Electron MicroscoElectron Microscopy Core.
July 14, 2006 Maria Medenica, MD, 1924 - 2006 Maria M. Medenica, MD, associate professor of medicine at the University of Chicago and an authority on the use of electron microscopy in the diagnosis of skin diseases, died Monday, June 25, 2006, at her home in Lincoln Park.
We conducted optical and scanning electron microscopy, energy dispersive X-ray spectroscopy, and Fourier transform infrared spectroscopy on postimpact tubular features hosted in impact glasses from the Ries impact structure (Germany).
This work expands on these initial investigations by examining the interior of the fossil dinosaur bone prior to dissolution in acid using scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS).
Recently, a group at CCP4 headquarters launched CCPEM, an independent initiative that will focus on electron microscopy.
In standard electron microscopy, scientists shine a beam of electrons through a sample and then, on the other side, detect the electrons, which have been deflected by the material and now carry the information needed to generate an image of the sample.
Norma is used to interpret electron microscopy data using atomic scale resolution structural models and perform flexible fitting on new cases without encountering major technical difficulties.
For this purpose analyze, on the one hand, the interaction of the V - ATPase, its subcomplexes and subunits with the mentioned proteins biochemically and by cryo - electron microscopy.
«Even though there is a revolution going on in cryo - electron microscopy, with resolutions below 5 Å, there will still be a lot of structures that are above that level,» Ohi says.
As a complement to laboratory techniques such as gas chromatography coupled to mass spectrometry, infrared spectroscopy, X-ray diffraction, visible and electron microscopy carried out at the Centre of Research and Restoration of French Museums, Paris, the scientists used the ultra bright X-rays on the ESRF's ID21 beamline to analyse tiny fragments taken from different sculptures.
We analyzed the role of DNM2 and several actin binding proteins on clathrin plaque function at costameres in vitro by using either siRNA depletion combined to high resolution electron microscopy or in vivo by intravital microscopy.
Cryo - fluorescence microscopy is exploited to navigate the cellular landscapes for features of interest before zooming in on these areas by cryo - electron tomography.
As seen with pseudo-coloured scanning electron microscopy, two cell - killing T - cells (red) attack a squamous mouth cancer cell (white) after a patient received a vaccine containing antigens identified on the tumour.
Researchers in the UK, the US and Germany have succeeded in obtaining videos of graphene nucleating and growing on polycrystalline metal surfaces using scanning electron microscopy.
His group focuses on novel techniques and instrumentation for high - resolution structural and molecular microscopy based on integrated fluorescence and electron microscopy.
The Deaconescu Laboratory focuses on structural studies by X-ray crystallography, small - angle X-ray scattering and electron microscopy of protein - protein and protein - nucleic acid complexes, particularly those involved in DNA repair and transcriptional regulation.
This method was difficult to develop, and it leaned heavily on the experiences from X-ray crystallography and classic electron microscopy.
Scanning electron microscopy is a powerful method for investigating surface structures on the nanometer scale.
She is a pioneer in advanced electron microscopy to analyse dynamic gas - catalyst reactions on the atomic scale.
Join us on October 10th to learn about SPHIRE (SParx for HIgh Resolution Electron microscopy) from Toshio Moriya, post-doctoral fellow at the Max Planck Institute of Molecular Physiology SPHIRE: User - friendly pipeline for near - atomic...
We called them expansion segments, and initially people thought they were a remnant of evolution and didn't have any function, but current studies by John Woolford making mutations in yeast and by other groups doing X-ray crystallography and cryo - electron microscopy are starting to zero in on whether they may indeed be playing functional roles.
He brings a variety of in situ and ex situ characterization methods to bear on the these materials, including high - resolution x-ray and ultraviolet photoelectron spectroscopy, x-ray diffraction, Rutherford backscattering, scanning transmission electron microscopy, electron energy loss spectroscopy, atom probe tomography and scanning probe microscopy.
He went on to develop serial block - face electron microscopy, whereby detailed 3D imagery of minute structures within tissue are generated by the repeated removal of thin slices and scanning of the remaining cut surface of samples.
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