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 Microsco
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 Microsco
Electron 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.