Employs microscopy electron. Medical search. Frequent questions

We employ time-resolved photoemission electron microscopy to image the relaxation of photogenerated hot electrons within InAs nanowires on a femtosecond time scale. (lu.se)

Zhou and his team used a tool called cryo electron microscopy, which employs deeply frozen samples and electron beams to image the tiniest structures of biological molecules. (livescience.com)
McGinty, co-senior author, said, "This work was enabled by recent advances in cryo-electron microscopy technology that allows scientists, like those on our team, to observe the protein machines inside our cells with unprecedented clarity. (sciencedaily.com)
Using the UNC School of Medicine state-of-the-art Cryo-Electron Microscopy Core Facility, which was established in 2019, the Zhang and McGinty labs determined a 3.3Å-resolution cryo-EM structure of cGAS in complex with the nucleosome. (sciencedaily.com)
The team employs strategies such as super resolution microscopy to observe individual replisomes in real time during DNA replication in living cells, and cryo-electron microscopy of DNA-replisome and other replisome-associated complexes. (rockefeller.edu)

electron backscatter diffraction, synchrotron analyses and stable isotope measurements. (wikipedia.org)
This complementary, or dual, role for the properties of light can be employed to describe all of the known characteristics that have been observed experimentally, ranging from refraction, reflection, interference, and diffraction, to the results with polarized light and the photoelectric effect. (fsu.edu)
Among the recently developed optical tomographic microscopy modalities, one can include optical coherence tomography, optical diffraction tomography, optical projection tomography and light-sheet microscopy. (jove.com)
The crystallographic and morphological analyses have been done by X-ray diffraction (XRD) and transmission electron microscopy (TEM), respectively. (ias.ac.in)
Diffraction and electron microscopy techniques are used for the analyses of crystallographic and morphological features of the synthesized NSs. (ias.ac.in)
With advanced resolutions reaching sub-angstrom levels, electron microscopy provides direct visualizations of catalyst particles, support structures, and pores that complement spectroscopic and diffraction methods. (azooptics.com)
Differential scanning calorimetry and X-ray diffraction analyses were employed to evaluate the polymorphic state of the paclitaxel nanocrystals. (umontreal.ca)
In the group we are very interested in finding new methods for answering outstanding questions within planetary geoscience, and we employ modern techniques such as scanning electron microscopy with electron backscatter diffraction and neutron tomography. (lu.se)

Here we demonstrate the ability of ultrafast transmission electron microscopy to simultaneously image both the spatial interference and the quantization of such confined plasmonic fields. (nature.com)
To clarify key questions on dynamics of systems ranging from individual molecules to more complex biomolecular and solid-state nanostructures, complementary methods, such as lightwave scanning tunnelling microscopy, time-resolved momentum microscopy, ultrafast near-field nanoscopy, super-resolution microscopy, atomic force microscopy, and cryo-electron microscopy will be employed. (uni-regensburg.de)
Hot electron relaxation and transport in nanostructures involve a multitude of ultrafast processes whose interplay and relative importance are still not fully understood, but which are relevant for future applications in areas such as photocatalysis and optoelectronics. (lu.se)
Hot electron relaxation and transport in nanostructures involve a multitude of ultrafast processes whose interplay and relative importance are still not fully understood, but which are relevant for future applications in areas such as photo-catalysis and optoelectronics. (lu.se)

This approach generalizes across different modalities, including serially-sectioned scanning electron microscopy (sSEM) of genetically labeled and contrast enhanced processes, spectral confocal reflectance (SCoRe) microscopy, and high-energy synchrotron X-ray microtomography ( μ CT) of large tissue volumes. (springer.com)
Brain imaging techniques from microscopy such as serially-sectioned scanning electron microscopy (sSEM), high-energy synchrotron X-ray microtomography ( μ CT), and spectral confocal reflectance (SCoRe) microscopy provide high-quality images with nanoscale or single-neuron resolution. (springer.com)
Available imaging capabilities include epifluorescence, confocal and electron microscopy. (icord.org)

The lab is applying biochemical approaches along with techniques such as single-molecule technology, super resolution microscopy and cryo-EM single-particle reconstruction to understand how the replisome functions with other factors. (rockefeller.edu)

Electron tomography of single particles had been proposed by Hoppe and his co-workers [8] , however, due to the radiation-sensitivity of biological macromolecules to electrons, it is not feasible to expose a biological molecule to the dose required to reveal the 3D structure from one hundred different projection images of the same molecule. (scirp.org)
As a mineral physicist, I employ cutting-edge materials science characterization approaches such as multiscale tomography (x-ray, focused ion beam, scanning transmission electron microscopy and atom probe tomography) and machine learning algorithms to address fundamental questions about the evolution of the Earth and interactions of life with its environment. (gla.ac.uk)

Fluorescence microscopy is an excellent method of studying material that can be made to fluoresce, either in its natural form (termed primary or auto fluorescence) or when treated with chemicals capable of fluorescing (known as secondary fluorescence). (fsu.edu)
However, the potential of this instrument was not realized for several decades, and fluorescence microscopy is now an important (and perhaps indispensable) tool in cellular biology. (fsu.edu)
The development of new probe technologies, such as quantum dots and high-resolution laser fluorescence microscopy, allow real- time observations of molecular interactions and trafficking within living cells. (genomicglossaries.com)

This allows efficient application in both electron and optical microscopy. (azooptics.com)
In micrometer and millimeter scales, optical microscopy modalities find increasing use owing to the non-ionizing nature of visible light, and the availability of a rich set of illumination sources (such as lasers and light-emitting-diodes) and detection elements (such as large format CCD and CMOS detector-arrays). (jove.com)

Visible and infrared (IR) spectroscopy as well as Dynamic Light Scattering (DLS) and Transmission Electron Microscopy (TEM) measurements allowed the extensive characterization of LRO-loaded micelles and liposomes. (rsc.org)
Morphology and chemical composition of the finest paclitaxel nanocrystal formulation was studied by scanning electron microscopy and Fourier-transform infrared spectroscopy respectively. (umontreal.ca)

Future development could be utilized to improve imaging resolution or speed further throughout both electron and optical microscopic imaging. (azooptics.com)
But since electrons, atoms and molecules are constantly in motion, microscopic still images are often insufficient to develop such an understanding. (uni-regensburg.de)
Conclusive diagnosis of these viruses requires electron microscopic examination of stool specimens, a laboratory technique that is available only at a few large centers, including CDC. (cdc.gov)

The scattering and transport mechanisms identified will play a role in the rational design of nanostructures for hot-electron-based applications. (lu.se)

These include scanning electrochemical cell microscopy (SECCM), which is opening up new nanoscale views of electrochemical interfaces, scanning electrochemical microscopy (SECM), new modes of scanning ion conductance microscopy (SICM) and various hybrid techniques, such as combined SECM-SICM and other methods. (warwick.ac.uk)

Time-resolved photoemission microscopy (TR-PEEM) combines the high time-resolution of optical pump-probe techniques with the few-nm spatial resolution of photoelectron emission microscopy. (lu.se)

Identifying atomic features in aberration-corrected scanning transmission electron microscopy (STEM) data is critical to understanding structures and properties of materials. (nips.cc)
Atomic force microscopy or scanning electron microscopy techniques may be utilized to image the indentation, but can be quite cumbersome. (imechanica.org)
In high-resolution electron microscopy one can begin to do `` crystallography without crystals'', averaging thousands of images of single molecules or other assemblies to reveal near atomic level structure. (genomicglossaries.com)

Transmission Electron Microscopy (TEM) was performed to observe the ultrastructure of hippocampal cornu ammonis (CA)1 (CA1) neurons. (hindawi.com)
Darkfield microscopy was employed to observe nanoparticle -cellular interactions, and within 5 min both pure and doped CeO2 began to associate with cells. (cdc.gov)
Papanicolaou staining, HE staining, immunofluorescent staining, transmission electron microscopy and field emission scanning electron microscopy were employed to observe the morphological and structural defects of the spermatozoa and testes. (nih.gov)
We observe transport of hot electrons to the nanowire surface within 100 fs caused by surface band bending. (lu.se)

We present an approach to generating realistic STEM images by employing a cycleGAN to automatically add realistic microscopy features and noise profiles to simulated data. (nips.cc)

Microscopy of specimens stained with fluorescent dye (usually fluorescein isothiocyanate) or of naturally fluorescent materials, which emit light when exposed to ultraviolet or blue light. (genomicglossaries.com)
In 1972, in the examination of stool specimens, electron microscopy identified the Norwalk agent, the most common viral cause of gastroenteritis outbreaks among adults. (cdc.gov)

Relatively long radio waves are produced by electrical current flowing through huge broadcast antennas, while much shorter visible light waves are produced by the energy state fluctuations of negatively charged electrons within atoms. (fsu.edu)
The structure shows that cGAS employs two conserved amino acids to anchor to a negatively charged patch on the nucleosome surface. (sciencedaily.com)

The filter is treated to make it transparent and then is analyzed by microscopy at 400-450x magnification, with phase-contrast illumination, using a Walton-Beckett graticule. (cdc.gov)

Two approaches were employed by the authors for their method to be tested. (azooptics.com)
The Division of Cellular, Developmental and Integrative Biology comprises a faculty with diverse research interests employing a broad range of approaches to study organisms across plant and animal taxa. (lsu.edu)
These eigenvector/ei- genvalue data-compression approaches were first introduced to electron microscopy (EM) in 1980 to help sort out different views of macromolecules in a micrograph. (scirp.org)

Hence, computational ghost imaging could be utilized for transmission electron microscopy imaging. (azooptics.com)
Initially, the authors performed an optical experiment similar to the transmission electron microscopy system. (azooptics.com)
Following that, they tested their method with the help of transmission electron microscopy. (azooptics.com)
Transmission electron microscope analysis shows the formation of multifaceted NSs. (ias.ac.in)
Here, we employed transmission electronmicroscopy and other biophysical methods to elucidate how BAR domainproteins steer processes at the membrane.In this work we studied the BAR protein bridging integrator 1 (BIN1), whichhas an established role in cancer, Alzheimer's disease and skeletalmyopathies. (kth.se)
Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana- Champaign Molecular Biomedicine in the Era of Teraflop Computing - DDDAS.org Narrower term: transmission electron microscopy (TEM). (genomicglossaries.com)
The Hitachi 300kV ETEM, pictured here, is an Environmental Transmission Electron Microscope. (lu.se)

Visual and photographic microscopy in which electron beams with wavelengths thousands of times shorter than visible light are used in place of light, thereby allowing much greater magnification. (genomicglossaries.com)

Our experiments are accomplished by spatiotemporally overlapping electron and light pulses on a single nanowire suspended on a graphene film. (nature.com)
In our TR-PEEM setup, we employ a commercial PEEM (30 nm spatial resolution) in combination with a tunable femtosecond laser source delivering 10-20 fs pulses in the range from 470 nm to 950 nm. (lu.se)

Techniques employed may include the application of special stains, immunocytochemistry, electron microscopy and molecular techniques such as in situ hybridization. (plymouthhospitals.nhs.uk)
In situ electron holography of the dynamic magnetic field emanating from a hard-disk drive writer. (gla.ac.uk)

Electrical field assisted growth of poly(3-hexylthiophene) layers employing ionic liquids: microstructure elucidated by scanning force and electron microscopy. (mpg.de)

To segment and analyze this variety of microscopy techniques, different methods have been employed from purely manual segmentation to sophisticated deep convolutional neural networks. (springer.com)
More far-reaching, complex, imaging study methods, such as scanning electron microscopy, cannot be employed in routine operations. (dguv.de)
To understand the underlying physics present in these systems, I employ magneto-optical and magnetoelectrical methods, in combination with electron / X-ray microscopy and magnetic simulation s. (google.com)

ICORD preclinical science researchers also employ techniques in Molecular Biology, including quantitative real time polymerase chain reaction (qPCR), gel analysis and genetic techniques. (icord.org)

Research labs are diverse in terms of their focus, techniques employed, and stage of discovery. (icord.org)

These two sheets have to be rotated by a precise angle, called the magic angle (1.1 degrees for graphene), and then the graphene system loses all electrical resistance below 1.7 Kelvin, which is a relatively high temperature given how few electrons the graphene system has, a phenomenon called strong-coupling superconductivity. (aps.org)

The possibility of recording actual movies from the nanoworld may well trigger a scientific revolution comparable to the invention of steady-state scanning-probe and electron microscopy," says Prof. Dr. Rupert Huber , the spokesperson of the new GRK 2905. (uni-regensburg.de)
A type of scanning probe microscopy in which a probe systematically rides across the surface of a sample being scanned in a raster pattern. (genomicglossaries.com)

The Molecular Expressions Microscopy Primer explores many of the aspects of visible light starting with an introduction to electromagnetic radiation and continuing through to human vision and the perception of color. (fsu.edu)

Chemical co-precipitation route was successfully employed to synthesize polyethylene glycol-coated pure and doped Zn$_{1−x}$Mn$_x$S (0 ≤ x ≤ 0.1) nanoparticles. (ias.ac.in)

A so-called computational ghost imaging, an optical method, was applied by the authors to electron microscopy and further came up with a new algorithm for this issue to be addressed. (azooptics.com)
We use a combination of genetics, advanced microscopy and computational image analysis to unravel the mechanisms underlying epithelial tube formation. (lsu.edu)

Secondary magnetic inclusions in detrital zircons from the Jack Hills , Western Australia and implications for the origin of the geodynamo microscopy. (gla.ac.uk)

Traditionally, grading has been determined using histologic observations from light microscopy, immunohistochemistry, and electron microscopy. (medscape.com)

The microstructural features of CoNiCrAlY coat- ings were analyzed by Scanning Electron Microscopy (SEM), while Nanoindentation (NI) technique was employed to study the evolution of the mechanical properties. (scirp.org)

Even though electron microscopy could already disclose details as small as one nanometer, existing research aims to break through barriers restricting image quality and decreasing the optical dose present in the samples. (azooptics.com)

The speed of computing has increased dramatically in the decades since their first use in electron microscopy. (scirp.org)

This may be performed using either light or electron microscopy, as discussed below. (cdc.gov)

Scanning electron microscopy and energy dispersive x-ray analysis were employed in the analysis of the particle contents of the lungs. (cdc.gov)

Phase contrast microscopy (PCM) is most frequently employed to measure the levels of synthetic vitreous fibers. (cdc.gov)
It is still difficult to obtain complicated phase and amplitude control to decrease phase aberration for constant imaging improvement in the field of electron microscopy. (azooptics.com)
9 By connecting multiple microscopy data types, I am able to demonstrate mineral phase relationships in quantitative and data driven approach. (gla.ac.uk)

The national Center for High Resolution Electron Microscopy (nCHREM) offers instruments and expertise for imaging, analysis and sample preparation for a wide variety of sample types. (lu.se)

I have applied my experience with state of the art electron microscopy techniques to advance the characterisation and understanding of ancient Earth and planetary materials 4-8 . (gla.ac.uk)

Immunohistochemical staining was employed to assess the distribution of inflammatory cytokine IL-1 β in arteries and cardiac tissues. (hindawi.com)
Electron spin resonance, used to assess the effects of CeO2 on free radical production, showed that with doping, antioxidant potential decreased. (cdc.gov)

The resulting energy exchange between single electrons and the quanta of the photoinduced near-field is imaged synchronously with its spatial interference pattern. (nature.com)
The definition refers to the coupling between collective oscillations of electrons in the metal, that is, surface plasmons, and the resulting radiated electromagnetic field, the polariton, which is evanescently confined in the direction perpendicular to the interface. (nature.com)
The term polariton is used to define a field that is strongly coupled to a dipolar excitation, which in the case of SPPs is provided by the distribution of electrons in the metal 1 . (nature.com)
In this report, we employed a CMOS sensor array having 5 Mega Pixels, with a pixel size of 2.2 μm (IDS Imaging, UI-1485LE-M). The detector is used to record the wide field-of-view ( e.g. 24 mm 2 ) holographic images of samples, which were placed directly on the top of the active area of the detector. (jove.com)
Topographical studies carried out with the help of field-emission scanning electron microscope reveal the agglomeration of layered NSs. (ias.ac.in)

In an appendix to their study, the authors emphasize a few findings concerning electron microscope sample damage, which could be decreased using their method. (azooptics.com)
The micelle to vesicle transition (MVT) method was employed in order to produce vesicles of well-defined lamellarity and size. (rsc.org)
We have developed a new method Bias Modulated scanning Ion Conductance Microscopy (BM-SICM) which, by oscillating the applied bias between the SICM nanopipet probe and the reference electrode in the bulk solution generates a feedback signal to control the distance between the end of a nanopipet and a surface. (warwick.ac.uk)

This work demonstrates that lipid-detergent mixed micelles can be employed successfully in order to achieve and modulate the transfer of bio-active hydrophobic compounds into lipid carriers by means of a simple and bio-safe procedure. (rsc.org)

Microhardness and scanning electron microscopy (SEM) analysis were performed before and after bleaching. (bvsalud.org)
General studies employ a JEOL 300kV TEM and JEOL 30kV SEM (Scanning EM) which offer both imaging and EDX (energy dispersive X-ray) analysis. (lu.se)

Anatomy38

Organisms15

Diseases1

Chemicals and Drugs62

Analytical, Diagnostic and Therapeutic Techniques and Equipment77

Phenomena and Processes57

Disciplines and Occupations8

Technology, Industry, Agriculture8

Information Science13

Health Care3

Photoemission Electron Microscopy1

Cryo electron m4

Diffraction8

Ultrafast4

Confocal3

Super resolution microscopy1

Tomography2

Fluorescence microscopy3

Optical microscopy2

Spectroscopy2

Microscopic3

Nanostructures1

Nanoscale1

Time-resolved1

Atomic3

Observe4

Stem1

Specimens2

Negatively charged2

Illumination1

Approaches3

Transmission7

Beams1

Pulses2

Situ2

Microstructure1

Methods3

Researchers1

Techniques employed1

Graphene1

Scanning-probe2

Molecular1

Pure and doped1

Computational2

Magnetic1

Observations1

Technique1

Image1

Decades1

Light1

Particle1

Phase3

High-resolution1

State-of-1

Assess2

Field5

Method3

Successfully1

Analysis2