Articles tagged "electron tomography"

The 16th European Microscopy Congress 2016
Determining atomic coordinates in 3D by atomic electron tomography
Peter Ercius (1), Rui Xu (2), Chien-Chun Chen (2), Li Wu (2), Mary Scott (1, 2), Wolfgang Theis (3), Colin Ophus (1), Jungwon Park (4, 5), Hans Elmlund (6, 7), Alex Zettl (8, 9), A. Paul Alivisatos (4, 9), Jianwei Miao (2, 10)
1. Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, Etats-Unis 2. Department of Physics & Astronomy, University of California, Los Angeles, Etats-Unis 3. School of Physics and Astronomy, University of Birmingham, Birmingham, Royaume Uni 4. Department of Chemistry, University of California, Berkeley, Etats-Unis 5. Department of Applied Physics, Harvard University, Cambridge, Etats-Unis 6. School of Biomedical Sciences, Monash University, Clayton, Australie 7. Centre for Advanced Molecular Imaging, ARC Centre of Excellence, Clayton, Australie 8. Department of Physics, University of California, Berkeley, Etats-Unis 9. Kavli Energy NanoScience Institute, Berkeley, Etats-Unis 10. California NanoSystems Institute, University of California, Los Angeles, Etats-Unis
At a basic level, materials properties depend on the three-dimensional arrangement of atoms, and it is necessary to determine their coordinates to make correlative measurements…
The 16th European Microscopy Congress 2016
A new method for quantitative XEDS tomography of complex hetero-nanostructures
Daniele Zanaga (1), Thomas Altantzis (1), Lakshminarayana Polavarapu (2), Luis M. Liz-Marzán (3), Bert Freitag (4), Sara Bals (1)
1. EMAT, University of Antwerp, Antwerpen, Belgique 2. Photonics and Optoelectronics Group, Ludwig Maximilian University of Munich, Munich, Allemagne 3. BioNanoPlasmonics Laboratory, CIC biomaGUNE, San Sebastián, Espagne 4. Building AAE, FEI Company, Eindhoven, Pays-Bas
Over the last decades, electron tomography based on HAADF-STEM has evolved into a standard technique to investigate the morphology and inner structure of nanomaterials. The…
The 16th European Microscopy Congress 2016
Characterization of Janus gold nanoparticles obtained via spontaneous binary polymer shell segregation
Nathalie Claes (1), Ana. M Percebom (2, 3, 4), Juan J. Giner-Casares (3, 5), Sara Bals (1), Watson Loh (4), Luis M. Liz-Marzán (3, 5, 6)
1. EMAT, University of Antwerp, Antwerpen, Belgique 2. Department of Chemistry, Catholic University of Rio de Janeiro, Rio de Janeiro, Brésil 3. CIC biomaGUNE, CIC biomaGUNE, Donostia-San Sebastián, Espagne 4. Insitute of Chemistry, University of Campinas (UNICAMP), Campinas, Brésil 5. Biomedical Research Networking Center in Bioengineering, Biomaterials & Nanomedicine, CIBER-BBN, Madrid, Espagne 6. Ikerbasque, Basque Foundation for Science, Madrid, Espagne
Janus nanoparticles are nanoparticles (NPs) displaying two sides of different chemical nature which makes them of high interest. The formation of the Janus shell provides…
The 16th European Microscopy Congress 2016
Investigating lattice strain in Au nanodecahedrons
Bart Goris (1), Jan De Beenhouwer (2), Annick De Backer (1), Daniele Zanaga (1), Joost Batenburg (3), Anna Sanchez-Iglesias (4), Luis Liz-Marzan (4, 5), Sandra Van Aert (1), Jan Sijbers (2), Gustaaf Van Tendeloo (1), Sara Bals (1)
1. EMAT, University of Antwerp, Antwerp, Belgique 2. iMinds-Vision Lab, University of Antwerp, Antwerp, Belgique 3. CWI, Centrum Wiskunde & Informatica, Amsterdam, Pays-Bas 4. CIC, biomaGUNE, San Sebastian, Espagne 5. Ikerbasque, Basque Foundation for Science, Bilbao, Espagne
The three dimensional (3D) structural characterization of nanoparticles is crucial in materials science since many properties heavily depend on size, surface to volume ratio and…
The 16th European Microscopy Congress 2016
Structural Mechanism of Assembly and Maturation of the HBs Antigen
Aurelie Deliot (1), Marie-Claire Nicolai (1), Vanessa Buosi (2), Laurent Thion (1), Patricia Sepulcri (1), Daniel Nemecek (1)
1. CBB/ARD-EU, Sanofi Pasteur, Marcy l'Etoile, France 2. Consultys, Sanofi Pasteur, Marcy l'Etoile, France
Hepatitis B surface antigen (HBsAg) is overexpressed in great excess during hepatitis B (HBV) infection in the form of noninfectious (DNA-free) subviral particles. These particles…
The 16th European Microscopy Congress 2016
Electron tomography combined with electron diffraction reveals the dissolution and phase transformation of KFI to CHA zeolites
Tom Willhammar (1), Leen van Tendeloo (2), Eric Breynaert (2), Johan Martens (2), Christine Kirschhock (2), Sara Bals (1)
1. EMAT, University of Antwerp, Antwerp, Belgique 2. COK, KU Leuven, Leuven, Belgique
Introduction Microporous alumminosilicates, zeolites, have been implemented in a large number of important industrial applications.[1] Their unique properties are to a large extent determined by…
The 16th European Microscopy Congress 2016
Electron tomography with sub-5-second temporal resolution for dynamic in situ transmission electron microscopy
Vadim Migunov (1), Rowan K. Leary (2), María de la Mata (3), Eleonora Russo-Averchi (4), Gözde Tütüncüoglu (4), Anna Fontcuberta i Morral (4), Jordi Arbiol (3, 5), Rafal E. Dunin-Borkowski (1)
1. Ernst Ruska Centre for Microscopy and Spectroscopy with Electrons and Peter Gruenberg Institute, Forschungszentrum Juelich, Jülich, Allemagne 2. Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, Royaume Uni 3. Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and The Barcelona Institute of Science and Technology (BIST), Campus UAB, Bellaterra, Barcelona, Catalonia, Espagne 4. Laboratoire des Matériaux Semiconducteurs, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Suisse 5. Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Catalonia, Espagne
Electron tomography (ET) is an important technique for the study of the three dimensional morphology, structure and chemical composition of…
The 16th European Microscopy Congress 2016
Ultrastructural analysis of spindle architecture in C. elegans
Thomas Müller-Reichert (1)
1. Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Allemagne
Mitosis and meiosis are essential mechanisms for any eukaryotic cell in order to divide and propagate. During both processes, microtubules are reorganized to assemble into…
The 16th European Microscopy Congress 2016
Micro- and nanostructural characterization of melamine-formaldehyde microcapsule shells using electron microscopy
Hamed Heidari (1), Guadalupe Rivero (2), Hosni Idrissi (1), Dhanya Ramachandran (1), Seda Cakir (3), Ricardo Egoavil (1), Mert Kurttepeli (1), Amandine Crabbé (4), Tom Hauffman (4), Herman Terryn (4), Filip Du Prez (3), Nick Schryvers (1)
1. EMAT, Department of Physics, University of Antwerp, Antwerpen, Belgique 2. CONICET, Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA) , Mar del Plata, Argentine 3. PCR, Department of Organic and Macromolecular Chemistry, Gent University, Gent, Belgique 4. SURF, Department of Materials and Chemistry, Vrije Universiteit Brussel, Brussels, Belgique
A systematic study has been carried out to compare the surface morphology, shell thickness, mechanical properties and binding behavior of melamine formaldehyde microcapsules of 5…
The 16th European Microscopy Congress 2016
Understanding the degradation of Pt nanoparticles in a fuel cell electrode via identical location electron tomography
David Rossouw (1), Lidia Chinchilla (1), Tyler Trefz (2), Natalia Kremliakova (2), Gianluigi Botton (1)
1. Materials Science and Engineering, McMaster University, Hamilton, Canada 2. Automobile Fuel Cell Cooperation, Burnaby, Canada
The degradation and high cost of electrodes materials used in proton exchange membrane fuel cells (PEMFCs) are major barriers limiting their commercialization in automotive vehicles…