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Search for "dark-field imaging" in Full Text gives 14 result(s) in Beilstein Journal of Nanotechnology.

Is the Ne operation of the helium ion microscope suitable for electron backscatter diffraction sample preparation?

  • Annalena Wolff

Beilstein J. Nanotechnol. 2021, 12, 965–983, doi:10.3762/bjnano.12.73

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Published 31 Aug 2021

Scanning transmission helium ion microscopy on carbon nanomembranes

  • Daniel Emmrich,
  • Annalena Wolff,
  • Nikolaus Meyerbröker,
  • Jörg K. N. Lindner,
  • André Beyer and
  • Armin Gölzhäuser

Beilstein J. Nanotechnol. 2021, 12, 222–231, doi:10.3762/bjnano.12.18

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  • between the two cases, and the error of this particular measurement is 9%. To test the validity of the determined thickness and the approach described above, the results from the STIM dark-field imaging are compared to X-ray photoelectron spectroscopy (XPS) and energy-filtered transmission electron
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Published 26 Feb 2021

Bio-imaging with the helium-ion microscope: A review

  • Matthias Schmidt,
  • James M. Byrne and
  • Ilari J. Maasilta

Beilstein J. Nanotechnol. 2021, 12, 1–23, doi:10.3762/bjnano.12.1

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  • . If a segmented detector with a central segment and ring segments was used, it would be even possible to distinguish between absorption contrast (bright-field imaging) and scatter-contrast (dark-field imaging). Compared to other imaging modes in the HIM, it can be anticipated that THIM will be the
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Published 04 Jan 2021

Synthesis and acetone sensing properties of ZnFe2O4/rGO gas sensors

  • Kaidi Wu,
  • Yifan Luo,
  • Ying Li and
  • Chao Zhang

Beilstein J. Nanotechnol. 2019, 10, 2516–2526, doi:10.3762/bjnano.10.242

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  • the 0.5 wt % ZnFe2O4/rGO composite. Furthermore, the composition of the sample was analyzed by high-angle annular dark-field imaging scanning transmission electron microscopy (HAADF-STEM) and EDS. The element mappings in Figure 6e reveal the existence of C, Zn, Fe and O in the 0.5 wt % ZnFe2O4/rGO
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Published 16 Dec 2019

Kelvin probe force microscopy work function characterization of transition metal oxide crystals under ongoing reduction and oxidation

  • Dominik Wrana,
  • Karol Cieślik,
  • Wojciech Belza,
  • Christian Rodenbücher,
  • Krzysztof Szot and
  • Franciszek Krok

Beilstein J. Nanotechnol. 2019, 10, 1596–1607, doi:10.3762/bjnano.10.155

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  • the high-angle annular dark-field imaging scanning transmission electron microscope (HAADF-STEM) mode as we have recently shown in [12]. A closer look at TiO reveals the γ-TiO structure in a Fm-3m space group and 2.1 Å unit cell, which stands in perfect agreement with subject literature values [27
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Published 02 Aug 2019

Alloyed Pt3M (M = Co, Ni) nanoparticles supported on S- and N-doped carbon nanotubes for the oxygen reduction reaction

  • Stéphane Louisia,
  • Yohann R. J. Thomas,
  • Pierre Lecante,
  • Marie Heitzmann,
  • M. Rosa Axet,
  • Pierre-André Jacques and
  • Philippe Serp

Beilstein J. Nanotechnol. 2019, 10, 1251–1269, doi:10.3762/bjnano.10.125

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  • Co islands (Supporting Information File 1, Figure S7a,b) were identified using the scanning transmission electron microscopy/high-angle annular dark-field imaging (STEM-HAADF) technique. Energy-dispersive X-ray spectroscopy (EDX) analysis on the N-CNT surface or in the Co aggregates confirmed the
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Published 21 Jun 2019

Toward the use of CVD-grown MoS2 nanosheets as field-emission source

  • Geetanjali Deokar,
  • Nitul S. Rajput,
  • Junjie Li,
  • Francis Leonard Deepak,
  • Wei Ou-Yang,
  • Nicolas Reckinger,
  • Carla Bittencourt,
  • Jean-Francois Colomer and
  • Mustapha Jouiad

Beilstein J. Nanotechnol. 2018, 9, 1686–1694, doi:10.3762/bjnano.9.160

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  • performed using an image-corrected Titan G2 FEITM system. For selected samples, cross-section TEM analyses were carried out using an aberration-corrected FEITM Titan ChemiSTEM system (equipped with a Cs probe corrector, a high-angle annular dark-field imaging (HAADF) detector and a four quadrant Super X
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Published 07 Jun 2018

Towards 3D crystal orientation reconstruction using automated crystal orientation mapping transmission electron microscopy (ACOM-TEM)

  • Aaron Kobler and
  • Christian Kübel

Beilstein J. Nanotechnol. 2018, 9, 602–607, doi:10.3762/bjnano.9.56

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  • resolution and quality of crystal orientation data for the TEM. Conical dark field imaging (CDFI) was used in the 3D-orientation mapping in transmission electron microscope (3D-OMiTEM) method to first reconstruct the diffraction pattern and then the 3D crystal structure [19]. Spot Bragg diffraction, in
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Published 15 Feb 2018

Influence of hydrofluoric acid treatment on electroless deposition of Au clusters

  • Rachela G. Milazzo,
  • Antonio M. Mio,
  • Giuseppe D’Arrigo,
  • Emanuele Smecca,
  • Alessandra Alberti,
  • Gabriele Fisichella,
  • Filippo Giannazzo,
  • Corrado Spinella and
  • Emanuele Rimini

Beilstein J. Nanotechnol. 2017, 8, 183–189, doi:10.3762/bjnano.8.19

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  • plating solution. The morphology of gold was examined with plan view TEM and scanning transmission electron microscopy (STEM) in high-angle annular dark-field imaging (HAADF) Z-contrast (atomic number) imaging mode, while the crystalline structure was analyzed in detail with X-ray diffraction. Figure 4a
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Published 18 Jan 2017

On the pathway of cellular uptake: new insight into the interaction between the cell membrane and very small nanoparticles

  • Claudia Messerschmidt,
  • Daniel Hofmann,
  • Anja Kroeger,
  • Katharina Landfester,
  • Volker Mailänder and
  • Ingo Lieberwirth

Beilstein J. Nanotechnol. 2016, 7, 1296–1311, doi:10.3762/bjnano.7.121

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  • tridiem image filter (Gatan Inc., USA) and an energy dispersive X-ray fluorescence (EDX) detector (EDAX Inc., USA) for analytical element measurements. Conventional bright field images were acquired using a Gatan US1000 slow scan CCD camera (Gatan Inc., USA). Inelastic dark field imaging for NP
  • identification Since the contrast of the silica particles in bright field imaging was too low for unambiguous identification, we applied inelastic dark field imaging techniques for the visualization of silica nanoparticles. Inelastic dark field imaging was conducted using the image filter/electron energy loss
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Published 16 Sep 2016

Mechanical properties of MDCK II cells exposed to gold nanorods

  • Anna Pietuch,
  • Bastian Rouven Brückner,
  • David Schneider,
  • Marco Tarantola,
  • Christina Rosman,
  • Carsten Sönnichsen and
  • Andreas Janshoff

Beilstein J. Nanotechnol. 2015, 6, 223–231, doi:10.3762/bjnano.6.21

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  • ), respectively. The following day, excess PEG in solution was removed by centrifugation of the suspension and PEGylation was confirmed by gel electrophoresis [10][13][25]. Concentration of particles is given as concentration of gold in μg/mL or particle number per mL. Fluorescence and dark field imaging
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Published 20 Jan 2015

Cathode lens spectromicroscopy: methodology and applications

  • T. O. Menteş,
  • G. Zamborlini,
  • A. Sala and
  • A. Locatelli

Beilstein J. Nanotechnol. 2014, 5, 1873–1886, doi:10.3762/bjnano.5.198

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  • means of ab initio calculations, which could prove the very large corrugation of graphene in this system and establish a correlation between C 1s binding energy and C–substrate separation [44]. On the same system, μ-probe diffraction analyses were carried out in combination with dark-field imaging
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Published 27 Oct 2014

Template-directed synthesis and characterization of microstructured ceramic Ce/ZrO2@SiO2 composite tubes

  • Jörg J. Schneider and
  • Meike Naumann

Beilstein J. Nanotechnol. 2014, 5, 1152–1159, doi:10.3762/bjnano.5.126

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  • ) obtained from a HAADF STEM (high angle annular dark field imaging scanning electron microscopy) investigation. The STEM analysis proves the closely packed silica Stoeber spheres, which are interconnected by the solid solution of the composition Ce0.13/Zr0.87O2. The bright contrast visible in the dimples
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Published 25 Jul 2014

In vitro toxicity and bioimaging studies of gold nanorods formulations coated with biofunctional thiol-PEG molecules and Pluronic block copolymers

  • Tianxun Gong,
  • Douglas Goh,
  • Malini Olivo and
  • Ken-Tye Yong

Beilstein J. Nanotechnol. 2014, 5, 546–553, doi:10.3762/bjnano.5.64

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  • in the overall cell viability. We also demonstrate the use of the functionalized gold nanorods as scattering probes for dark-field imaging of cancer cells thereby demonstrating their biocompatibility. Our results offer a unique solution for the future development of safe scattering color probes for
  • clinical applications such as the long term imaging of cells and tissues. Keywords: cancer cells; dark-field imaging; gold nanorods; PEG-SH; PEO–PPO–PEO; Introduction Gold nanorods (AuNRs) have been widely adopted for biological applications due to their unique plasmonic properties. One of the most
  • , transmission electron microscopy (TEM), cell viability assay, dynamic light scattering (DLS), and dark-field imaging microscopy. The non-specific uptake of these AuNRs by cells was also studied under dark-field microscopy. Our work demonstrates that the coating of AuNRs surfaces with PEG-SH or PEO–PPO–PEO
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Published 30 Apr 2014
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