Nanoscale microscopy electron scanning transmission. Medical search. Frequent questions

A scanning transmission electron microscope (STEM) is a type of transmission electron microscope (TEM). (wikipedia.org)
As with a conventional transmission electron microscope (CTEM), images are formed by electrons passing through a sufficiently thin specimen. (wikipedia.org)
40 years ago, FEI (now part of Thermo Fisher), developed the first ion beam column within a scanning electron microscope. (thermofisher.com)
In the 1990s, Philips Electron Optics and FEI began a partnership that led to development of the Tecnai transmission electron microscope (TEM) and ultimately the merger of the two companies in 1997. (thermofisher.com)
Likewise, the Helios 5 EXL DualBeam is the first microscope in the semiconductor industry that utilizes machine learning to expedite and automate wafer sample preparation for transmission electron microscope (TEM) imaging and analysis. (thermofisher.com)
The team synthesized quantum dots made from cadmium chalcogenide (where chalcogenide refers to sulfur and related elements) and characterized them using several capabilities including CNM's high-resolution scanning transmission electron microscope. (newswise.com)
Scanning probe techniques are used inside of a transmission electron microscope (TEM). (pitt.edu)
The FEI Helios Nanolab DualBeam Focused Ion Beam/Scanning Electron Microscope (SEM), equipped with an energy dispersive X-ray spectroscopy detector (EDX), combines important high-resolution microscopy tools. (pnnl.gov)
Identification of site-specific isotopic labels by vibrational spectroscopy in the electron microscope. (nature.com)
Isotope analysis in the transmission electron microscope. (nature.com)
Vibrational spectroscopy in the electron microscope. (nature.com)
The university purchased a new JEOL transmission electron microscope (TEM) fitted with an aberration-correction device, along with a separate aberration-correction device that will be added to a scanning transmission electron microscope (STEM) that Lehigh bought 10 years ago. (spacedaily.com)
The acquisitions make Lehigh one of a handful of universities in the world to possess an aberration-corrected electron microscope and the only school with two. (spacedaily.com)
The Thermo Scientific Talos F200i (S)TEM is a 20-200 kV field emission (scanning) transmission electron microscope uniquely designed for performance and productivity across a wide range of Materials Science samples and applications. (thermofisher.com)
The use of a scanning transmission electron microscope, which passes an electron beam through a bulk material, sets the approach apart from lithography techniques, which only pattern or manipulate a material's surface. (thekurzweillibrary.com)
The atomic-level sculpting of 3D crystalline oxide nanostructures from metastable amorphous films in a scanning transmission electron microscope (STEM) is demonstrated. (thekurzweillibrary.com)
In our laboratories, you can use both standard microscope techniques, like scanning electron microscopy (SEM), transmission electron microscopy (TEM) and confocal laser scanning microscopy (CLSM), as well as infra-red based analysis techniques and micro-computed tomography (micro-CT). (lu.se)
The resulting complex plasmonic interference patterns are recorded with nanoscale resolution in a photoemission electron microscope. (lu.se)

The rastering of the beam across the sample makes STEM suitable for analytical techniques such as Z-contrast annular dark-field imaging, and spectroscopic mapping by energy dispersive X-ray (EDX) spectroscopy, or electron energy loss spectroscopy (EELS). (wikipedia.org)
We measure time-resolved and temperature-resolved changes in the oxidation state of cerium using electron energy-loss spectroscopy with a spatial resolution of 0.2 nm and relate it to the structural and morphological changes imaged using electron diffraction, TEM and STEM. (nist.gov)
Using scanning transmission electron microscopy-electron energy loss spectroscopy, we obtain an isotope map that confirms the segregation of 12 C atoms that diffused rapidly. (nature.com)
The microstructural features such as nanopores and phase changes that occur during such processes can be thoroughly explained by various microanalysis techniques involving scanning transmission electron microscopy (STEM) with energy dispersive X-ray spectroscopy (EDXS) , electron energy loss spectroscopy (EELS), and complementary techniques such as time-of-flight secondary ion mass spectroscopy (ToF-SIMS) [1,2]. (bruker.com)
Here, we demonstrate that this can be accomplished by using scanning transmission electron microscopy in combination with electron energy-loss spectroscopy. (unige.ch)
Structural and morphological characterization of the mesoporous nanocomposites will be investigated using a multi-technique approach involving surface/pore size and volume analysis via physisorption, thermal analysis, transmission and scanning electron microscopy (TEM/SEM), X-ray diffraction, and X-ray absorption diffraction/spectroscopy at synchrotron radiation facilities. (surrey.ac.uk)
Raman spectroscopy is used to study the vibrational and structural properties of materials, including nanoscale materials. (coaxialedu.com)
A professor at McMaster since 1979, his group has studied inner shell electron energy loss (EELS) spectroscopy of gases and surfaces, using home built instruments. (lu.se)

Scanning transmission electron microscopy and X-ray diffraction showed that particles are crystalline and within a size range of 10-30 nm. (nist.gov)
The X-ray diffraction, atomic resolution scanning transmission electron microscopy imaging, and energy-dispersive X-ray spectrometry results show that La has been doped successfully into the lattice. (edu.au)
We highlight modes of calcite and organic matrix assembly at the macro-, micro-, and nano-scales based on results obtained by Electron Backscatter Diffraction, Atomic Force Microscopy, Field Emission Scanning Electron Microscopy and Scanning Transmission Electron Microscopy. (cam.ac.uk)
Its standard X-Twin pole piece gap-giving the highest flexibility in applications-combined with a reproducibly performing electron column opens opportunities for high-resolution 2D and 3D characterization, in situ dynamic observations, and diffraction applications. (thermofisher.com)
Ptychography (scanning coherent diffraction imaging) can be measured using soft X-ray STXMs equipped with a suitable, post specimen X-ray camera. (lu.se)

Augmented microscopic procedures including enhanced dark-field imaging, immunofluorescence, field-emission scanning electron microscopy, transmission electron microscopy, and confocal microscopy are useful when evaluating nanoparticulate toxicologic pathology. (cdc.gov)

High-resolution scanning transmission electron microscopes require exceptionally stable room environments. (wikipedia.org)
Some of the most common methods include atomic force microscopy, dynamic light scattering, scanning and transmission electron microscopes (SEMs and TEMs), Raman and UV-Vis-NIR microspectrometers. (microspectra.com)
The facility offers aberration-corrected transmission electron microscopy instrumentation, conventional transmission electron microscopes, scanning electron microscopes and a suite of sample preparation facilities. (inderscience.com)
Aberration-corrected microscopes achieve their improved resolution by correcting any distortions in the lenses that focus the electron beam onto the specimen that is being examined. (spacedaily.com)
Oak Ridge National Laboratory researchers have developed a way to build precision-sculpted 3-D strontium titanate nanostructures as small as one nanometer, using scanning transmission electron microscopes, which are normally used for imaging. (thekurzweillibrary.com)
In 1994 he began developing soft X-ray transmission microscopes (STXM) and photoemission microscopes (PEEM) at ALS (USA). (lu.se)

Andrew Steele of the Carnegie Institution for Science and colleagues have recently analyzed ALH 84001 using transmission electron microscopy, nanoscale secondary ion mass spectrometry, and scanning transmission X-ray microscopy to explore the mineralogical, textural, organic, and isotopic composition of this rock. (usra.edu)
The samples prepared using FIB are analyzed by high resolution surface and bulk sensitive electron capabilities including APT, secondary ion mass spectrometry, and TEM. (pnnl.gov)

However, unlike CTEM, in STEM the electron beam is focused to a fine spot (with the typical spot size 0.05 - 0.2 nm) which is then scanned over the sample in a raster illumination system constructed so that the sample is illuminated at each point with the beam parallel to the optical axis. (wikipedia.org)
Crewe and coworkers at the University of Chicago developed the cold field emission electron source and built a STEM able to visualize single heavy atoms on thin carbon substrates. (wikipedia.org)
Directly interpretable Z-contrast imaging makes STEM imaging with a high-angle detector an appealing technique in contrast to conventional high-resolution electron microscopy, in which phase-contrast effects mean that atomic resolution images must be compared to simulations to aid interpretation. (wikipedia.org)
In STEM, bright-field detectors are located in the path of the transmitted electron beam. (wikipedia.org)
Recently, the column of a TEM/scanning-TEM (STEM) has been modified to permit the introduction of reactive gasses at pressures up to 2,000 Pa (20 mbar) in the sample region. (nist.gov)
Intriguing phenomena arising at the atomic scale have been found in functional complex oxide materials in recent years due to significant progress in technical and methodological development in scanning transmission electron microscopy (STEM). (mrs.org)
Here we show that cryogenic scanning transmission electron microscopy (cryo-STEM) enables direct mapping of local symmetries and order at the intra-unit-cell level in the model charge-ordered system Nd 1/2 Sr 1/2 MnO 3 . (nature.com)
e High-angle annular dark-field (HAADF) scanning transmission electron microscopy (STEM) projection image at 93 K, where we expect the system to be in the charge-ordered phase. (nature.com)
This thesis focuses on combining Scanning ElectroChemical Cell Microscopy (SECCM) and aberration-corrected High Angle Annular Dark Field (HAADF) Scanning Transmission Electron Microscopy (STEM) to obtain new insights into the relationship between the structure and electrochemical properties of nanoscale platinum. (bham.ac.uk)
A specimen-drift-free EDS line profile and EDS mapping system was performed in a scanning transmission electron microscopy (STEM) to determine the two-dimensional element distribution of iron and nickel in the nano domain. (uky.edu)

In this report, we demonstrate the use of nanoscale Co0.3Zn0.7Fe2O4 ferrite particles as temperature sensors for tMRI. (nist.gov)
Nanoscale material characterization is the analysis of particles to understand their biological, chemical, optical and physical properties and how these can be used to develop or manufacture certain applications. (microspectra.com)
Helios NanoLab provides rapid and detailed morphological analysis of micro to nanoscale particles and is equipped with Oxford multi-tasking software (AZtecLive and AZtecFeature) that enable real-time sample navigation based on sample chemistry and/or advanced particle analysis platform. (pnnl.gov)
Nanoscale metal particles were formed and immobilized inside the membrane matrix after reduction with sodium borohydride. (uky.edu)
Title : Evaluation of enhanced darkfield microscopy and hyperspectral imaging for rapid screening of TiO2 and SiO2 nanoscale particles captured on filter media Personal Author(s) : Neu-Baker, Nicole M.;Dozier, Alan K.;Eastlake, Adrienne C.;Brenner, Sara A. (cdc.gov)

Atomic Force Microscopy (AFM): AFM is used to study the surface roughness, morphology, and mechanical properties of nanoscale materials. (coaxialedu.com)

As a result, there is high demand for characterizing nanoscale materials, which we will explain in more detail. (microspectra.com)
There are multiple ways of characterizing nanoscale materials. (microspectra.com)
In the field of nanotechnology, characterizing nanoscale materials is a challenge in itself, as many aspects can hinder the process. (microspectra.com)

They have succeeded in causing a string of nanoparticles to melt into a nanowire that is 10 times thinner than any wire made using the standard microelectronic process called electron beam lithography. (spacedaily.com)
This area focuses on the synthesis, characterization, and application of nanoscale materials such as nanoparticles, nanocomposites, and nanofibers. (coaxialedu.com)
The nanoparticles resulting from bilayer self-organization consisted of granular nanostructure with each nanoparticle containing phase separatedl grains of Ag and Co, thus representing nanoscale nanocomposites. (wustl.edu)
By utilizing magnetic force microscopy technique, the magnetic anisotropy of individual nanoparticles was determined. (wustl.edu)

This area studies the design, fabrication, and characterization of nanoscale electronic devices and circuits, with applications in areas such as computing, communication, and sensing. (coaxialedu.com)
Nanoscience and nanotechnology are the study and application of extremely small things and can be used across all the other science fields, such as chemistry, biology, physics, materials science, and engineering.The University of Pittsburgh Nanoscale Fabrication & Characterization Facility (NFCF) is designed to support fabrication and characterization of nanoscale materials and structures, and integration of devices at all length scales. (pitt.edu)

A sample of AISI type 316 stainless steel from a power station steam header, showing reheat cracking, was removed from service and has been examined by a combination of microscale X-ray computed tomography (CT), nanoscale serial section focused ion beam-scanning electron microscopy (FIB-SEM), energy dispersive X-ray (EDX) spectrum imaging and transmission electron microscopy (TEM). (manchester.ac.uk)

aberration-corrected electron microscopy. (inderscience.com)

Functionally, the instrument includes high-resolution SEM imaging based on a field-emission-gun electron source and computer-controlled ion-beam micromachining based on a Ga liquid-metal ion source. (pnnl.gov)

Manuscripts already committed to the special issue include those covering focussed ion beam-scanning electron microscopy, transmission electron microscopy, trace element microanalysis and U-Pb geochronology via laser-ablation inductively-coupled plasma mass spectrometry (LA-ICP-MS), de-convoluting mineral and fluid inclusions from complex LA-ICP-MS signals in host quartz, and TESCAN Integrated Minerals Analyser (TIMA) methodology. (mdpi.com)

In annular dark-field mode, images are formed by fore-scattered electrons incident on an annular detector, which lies outside of the path of the directly transmitted beam. (wikipedia.org)
In the classical case, the fast electrons in the electron beam is deflected by the Lorentz force, as shown schematically for a magnetic field in the figure to the left. (wikipedia.org)
This breakthrough innovation led to the DualBeam , the first instrument to combine a focused ion beam (FIB) and scanning electron microscopy (SEM) into the same tool. (thermofisher.com)
The outer extremities of electron lenses tend to focus more strongly than their centers, limiting the beam diameter to 1 or 2 nm, or about the width of five to six atoms. (spacedaily.com)
The resulting electron beam measures 0.1 nm in width, which is less than the diameter of most atoms. (spacedaily.com)
In particular, focused ion beam (FIB) techniques are used to produce thin films of biomaterial-tissue interfaces for study by high-resolution and analytical transmission electron microscopy (TEM). (electrumlaboratoriet.se)
Combined with electron beam path control, the process could lead to large-scale implementation of bulk atomic-level fabrication as a new enabling tool of nanoscience and technology, providing a bottom-up, atomic-level complement to 3D printing, the researchers say. (thekurzweillibrary.com)
The fabrication of arbitrary shape structures via control of the position and scan speed of the electron beam is further demonstrated. (thekurzweillibrary.com)
The facility houses advanced equipment with core nano-level (20 nm or below) capability for fabrication and characterization, including electron-beam lithography system, dual-beam system, plasma etching, thin film deposition, TEM, multifunctional scanning probe station, modular XRD, etc. (pitt.edu)

Article: The Canadian Centre for Electron Microscopy: a national facility for ultrahigh resolution electron microscopy Journal: International Journal of Nanotechnology (IJNT) 2008 Vol.5 No.9/10/11/12 pp.1082 - 1093 Abstract: The Canadian Centre for Electron Microscopy is described and the facilities available to Canadian researchers and international collaborators are presented. (inderscience.com)

Fatigue induced cracks that are generated within the Cu layer were stopped by the graphene interface, which was confirmed using transmission electron microscopy images acquired ex-situ as well as during in-situ tensile strain testing. (mrs.org)
We are developing environmental scanning transmission electron microscopy (ESTEM) measurement methods for in situ observations and quantifying the nanoscale dynamic processes affecting both the material structure and chemistry during gas-solid interactions. (nist.gov)
Using an in situ TEM nanomanipulator with specialty scanning probe microscopy tips, we can simultaneously measure transport properties - such as electrical contact resistance and heat transfer. (pitt.edu)
Soft X-ray scanning transmission microscopy (STXM) is a powerful tool for nanoscale materials analysis, with significant advantages over analytical electron microscopies for studies of radiation sensitive materials, and for in situ and operando studies. (lu.se)

Membrane morphology and structure were observed by scanning electron microscopy (SEM). (uky.edu)

Some transmission electron microscopy and scanning electron microscopy measurements were performed at the Electron Microscopy Facility in the Institute for Molecular and Nanoscale Innovation at Brown University. (newswise.com)
We are investigating the redox properties of doped ceria as potential anode materials for SOFCs operating at intermediate temperature (≈700 °C). We are especially interested in the nanoscale measurements of the redox reaction at the three phase boundary (metal, doped ceria, and gas). (nist.gov)
This includes surface characterization through scanning and transmission electron microscopy, roughness measurements and nanoindentation. (electrumlaboratoriet.se)
The PhD candidate will develop a range of complementary skills in fabrication (sol-gel, supramolecular templating, coacervation), antibacterial testing and cutting-edge characterisation techniques in addition to unique training and expertise in measurements at the micro and nanoscale at NPL. (surrey.ac.uk)

Experimental techniques included thin film deposition, laser irradiation, scanning and transmission electron microscopy, atomic force and magnetic force microscopy. (wustl.edu)

preparation of ultrathin samples and materials for other analysis-e.g, preparation of selected regions for transmission electron microscopy (TEM) and atomic probe tomography (APT). (pnnl.gov)

TEM is used to visualize and study the structure and composition of nanoscale materials with high resolution. (coaxialedu.com)

Our mission is to give our users support with and access to a broad range of microscopy techniques for nanoscale biological visualization, from electron microscopy to different advanced light microscopy techniques. (lu.se)

Carbon-coated Transmission Electron Microscopy (TEM) grids were utilised as substrates for electrochemical experiments, which were performed with SECCM probe tips with diameters of ca. 1 μm, forming electrochemical cells with a working electrode areas in the μm\(^2\) scale. (bham.ac.uk)
Our group uses novel combinations of scanning probe microscopy, electron microscopy, and mechanical testing techniques to interrogate the mechanical behavior of contacts between nanoscale bodies, and the interdependence between mechanical properties and functional properties of the contact. (pitt.edu)
A maximum increase in coercivity of ≈+350 kA/m using a Dy diffusion source occurred at the optimum annealing temperature of 900 °C. After annealing for 6 h at this temperature, a Dy diffusion distance of about 4 mm has been observed with a scanning Hall probe. (tu-darmstadt.de)

Here we developed a generalizable, physically constrained image-learning framework to algorithmically learn the chemo-mechanical constitutive law at the nanoscale from correlative four-dimensional scanning transmission electron microscopy and X-ray spectro-ptychography images. (stanford.edu)
Broadly, this work also highlights the potential of integrating correlative microscopy and image learning for extracting material properties and physics. (stanford.edu)

b) Scanning electron microscopy image of the free-standing superlattices curled up into tubes of radius ≈4 μm. (lu.se)

This area focuses on studying light-matter interaction at the nanoscale, with applications in areas such as energy conversion, sensing, and communication. (coaxialedu.com)
The hybrid combination of two-dimensional (2D) transition metal dichalcogenides (TMDs) and plasmonic materials open up novel means of (ultrafast) optoelectronic applications and manipulation of nanoscale light-matter interaction. (lu.se)

Transmission electron microscopy (TEM) is the only technique able to characterize the nature of buried interfaces in these engineered van der Waals crystals and hence to provide insights into their optical, electronic and mechanical properties. (mrs.org)
The ability to characterize nanoscale materials is essential to many applications and industries around the world. (microspectra.com)

An international scientific team including scientists at the Center for Nanoscale Materials (CNM), a U.S. Department of Energy (DOE) Office of Science User Facility at Argonne National Laboratory conducted the research. (newswise.com)
This work was performed, in part, at the Center for Nanoscale Materials, a Department of Energy Office of Science user facility at Argonne National Laboratory. (newswise.com)
Applying theory, modeling and lab-on-a-chip microscopy, together with cost modeling, can judiciously guide the scalable production of high-performance energy materials. (mrs.org)
Furthermore, cross sectional scanning TEM imaging reveals that even comparatively stable materials like MoSe 2 and WSe 2 have different interlayer separation when exfoliated in a glove box compared to fabrication in air [5]. (mrs.org)
The self-organization of strongly interacting electrons into superlattice structures underlies the properties of many quantum materials. (nature.com)
Nanoscale materials are increasingly beneficial to fields such as electronics, medical devices, and scientific research, so combating the current challenges is crucial for their development. (microspectra.com)
Nanoscale materials, or nanomaterials, are vital in a growing range of applications and industries because they hold unique properties beneficial to manufacturers, such as increased strength and effectiveness or unique properties. (microspectra.com)
The properties analyzed in characterization include chemical composition, electrochemistry, optical and mechanical properties, oxidation state, size, surface composition, and some others, all of which are crucial when nanoscale materials are used in other products. (microspectra.com)
The advantages and benefits of aberration corrected microscopy are described and applications of this technique in materials science are discussed. (inderscience.com)
The electron microscopy facilities at Lehigh are among the best anywhere and are ideally suited for the analysis of materials at the nanoscale. (spacedaily.com)
To improve LIBs' lifetime, the nanoscale characterization of its component's materials is critical. (bruker.com)
It is dedicated to studying nanoscience and technology and aims to develop new materials, devices, and systems at the nanoscale for various applications. (coaxialedu.com)
This area deals with the development of nanoscale materials and devices for diagnosing and treating diseases, with a focus on cancer, neurological disorders, and infectious diseases. (coaxialedu.com)
This area deals with developing new nanofabrication techniques for precisely controlling nanoscale materials and devices. (coaxialedu.com)
The Central Instrument Facility (CIF) at the Institute of Nano Science and Technology (INST) in Mohali provides state-of-the-art facilities and equipment for the characterization and analysis of nanoscale materials and devices. (coaxialedu.com)
SEM is used to image the surface of nanoscale materials and devices with high resolution. (coaxialedu.com)

Although TEM-based techniques are valuable for nanoscale characterization, conventional TEMs function only under high vacuum conditions. (nist.gov)

Particle size and distribution were characterized by SEM and transmission electron microscopy (TEM). (uky.edu)

interactions that may be facilitated in the nanoscale. (cdc.gov)

Nanoscale metal-graphene nanolayered composite is known to have ultra high strength due to its ability to effectively block dislocations from penetrating through the metal/graphene interface. (mrs.org)

Various local surface plasmon resonance (LSPR) modes can be excited that are much smaller than the wavelength of the exciting light, leading to nanoscale optical confinement. (nist.gov)

An energy distribution analyzer for an electron source developed for Intel in 1984 for Voltage Contrast SEM and FIB imaging. (thermofisher.com)

We describe a new nanoscale design principle using hyperconnected molecular architectures to achieve remarkable mechanical properties controlled by designing connectivity into the intrinsic molecular structure in innovative ways. (mrs.org)

I will report the use of scanning TEM imaging and analysis to aid the development of 2D heterostructures. (mrs.org)
At our microscopy platform in Lund, you meet personnel with expertise and long experience working with biological material and microscopy, imaging, and analysis. (lu.se)

The focus of the Jacobs Research Group is to reveal the atomic-scale processes governing the mechanical and transport properties of surfaces and interfaces at the nanoscale. (pitt.edu)

It reviews the techniques of wear measurement at the atomic level, namely, transmission electron microscopy (TEM) measurement and AFM combined with TEM measurement. (asminternational.org)

Combined with broad availability of the atomic resolved electron microscopy platforms, these observations suggest the feasibility of large scale implementation of bulk atomic-level fabrication as a new enabling tool of nanoscience and technology, providing a bottom-up, atomic-level complement to 3D printing. (thekurzweillibrary.com)

These instruments offer fast, easy, and high-quality sample preparation for scanning/transmission electron microscopy (S/TEM) imaging, and advanced automation capabilities that dramatically speed time to results. (thermofisher.com)

The addition of an aberration corrector to STEMs enables electron probes to be focused to sub-angstrom diameters, allowing images with sub-angstrom resolution to be acquired. (wikipedia.org)

By simultaneously achieving Angstrom-scale spatial resolution and nanonewton force resolution, we can interrogate individual nanoscale bodies - including the formation and separation of their contact, and its evolution under load. (pitt.edu)

The technique could find uses in fabricating structures for functional nanoscale devices such as microchips. (thekurzweillibrary.com)

The scanning electron microscopy images confirm that all the samples have nearly similar nanoscale porosities. (edu.au)

This research was supported by the Brown University Startup Fund, the Salomon Award Fund, the Institute for Molecular and Nanoscale Innovation Seed Fund, and a University Affairs Committee grant from the Xerox Foundation. (newswise.com)

We offer the courses Common Microscopy Methods in Biological Research (external website) and Microscopy - Bioimaging (external website) for PhD and Master students. (lu.se)

Nanoscale mapping of the distinct electronic phases characterizing the metal-insulator transition displayed by most of the rare-earth nickelate compounds is fundamental for discovering the true nature of this transition and the possible couplings that are established at the interfaces of nickelate-based heterostructures. (unige.ch)

Contacting surfaces are of critical importance in advanced nanoscale applications, including micro-/nano-electromechanical systems, manufacturing schemes, and microscopy applications. (pitt.edu)

The article details wear measurement at the nanoscale, such as atomic force microscopy (AFM) measurement and scanning electron microscopy measurement. (asminternational.org)

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