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1.
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14 p, 2.4 MB |
Shedding plasma membrane vesicles induced by graphene oxide nanoflakes in brain cultured astrocytes
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Musto, Mattia (Scuola Internazionale Superiore di Studi Avanzati (Trieste, Itàlia)) ;
Parisse, Pietro (ELETTRA Synchrotron Light Source) ;
Pachetti, Maria (ELETTRA Synchrotron Light Source) ;
Memo, Christian (Scuola Internazionale Superiore di Studi Avanzati (Trieste, Itàlia)) ;
Di Mauro, Giuseppe. (Scuola Internazionale Superiore di Studi Avanzati) ;
Ballesteros, Belén (Institut Català de Nanociència i Nanotecnologia) ;
Lozano, Neus (Institut Català de Nanociència i Nanotecnologia) ;
Kostarelos, Kostas (Institut Català de Nanociència i Nanotecnologia) ;
Casalis, Loredana (ELETTRA Synchrotron Light Source) ;
Ballerini, Laura (Scuola Internazionale Superiore di Studi Avanzati (Trieste, Itàlia))
Microvesicles (MVs) generated and released by astrocytes, the brain prevalent cells, crucially contribute to intercellular communication, representing key vectorized systems able to spread and actively transfer signaling molecules from astrocytes to neurons, ultimately modulating target cell functions. [...]
2021 -  10.1016/j.carbon.2021.01.142
Carbon, Vol. 176 (May 2021) , p. 458-469
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2.
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6 p, 1.1 MB |
Evaluating the compressive stress generated during fabrication of Si doubly clamped nanobeams with AFM
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Lorenzoni, Matteo (Institut de Microelectrònica de Barcelona) ;
Llobet Sixto, Jordi (Institut de Microelectrònica de Barcelona) ;
Gramazio, Federico (Institut Català de Nanociència i Nanotecnologia) ;
Sansa Perna, Marc (Institut de Microelectrònica de Barcelona) ;
Fraxedas, Jordi (Institut Català de Nanociència i Nanotecnologia) ;
Pérez Murano, Francesc (Institut de Microelectrònica de Barcelona)
In this work, the authors employed Peak Force tapping and force spectroscopy to evaluate the stress generated during the fabrication of doubly clamped, suspended silicon nanobeams with rectangular section. [...]
2016 - 10.1116/1.4967930
Journal of vacuum science and technology. B, Nanotechnology & microelectronics, Vol. 34, Issue 6 (November 2016) , art. 6KK02
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3.
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19 p, 920.9 KB |
Elucidation of the wettability of graphene through a multi-length-scale investigation approach
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Amadei, Carlo A. (Institut Català de Nanociència i Nanotecnologia) ;
Lai, Chia-Yun (Masdar Institute of Science and Technology. Laboratory for Energy and NanoScience) ;
Esplandiu Egido, Maria José (Institut Català de Nanociència i Nanotecnologia) ;
Alzina, Francesc (Institut Català de Nanociència i Nanotecnologia) ;
Vecitis, Chad D. (Harvard University. School of Engineering and Applied Sciences) ;
Verdaguer Prats, Albert (Institut Català de Nanociència i Nanotecnologia) ;
Chiesa, Matteo (Masdar Institute of Science and Technology. Laboratory for Energy and NanoScience)
Univocal conclusions around the wettability of graphene exposed to environmental conditions remain elusive despite the recent efforts of several research groups. The main discrepancy rests on the question of whether a graphene monolayer (GML) is transparent or not to water and more generally what the role is that the substrate plays in determining the degree of wetting of the GML. [...]
2015 - 10.1039/c5ra04397b
RSC advances, Vol. 5, Issue 49 (2015) , p. 39532-39538
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4.
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30 p, 759.1 KB |
Nanomechanics on FGF-2 and heparin reveal slip bond characteristics with pH dependency
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Sevim, Semih (Bogazici University. Department of Electrical and Electronics Engineering) ;
Ozer, Sevil (Bogazici University. Department of Electrical and Electronics Engineering) ;
Jones, Gabriel (Universität Würzburg. Institute of Pharmacy and Food Chemistry) ;
Wurzel, Joel (Universität Würzburg. Institute of Pharmacy and Food Chemistry) ;
Feng, Luying (Bogazici University. Department of Electrical and Electronics Engineering) ;
Fakhraee, Arielle (Aeon Scientific AG) ;
Shamsudhin, Naveen (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Ergeneman, Olga (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física) ;
Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ;
Pané i Vidal, Salvador (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Nelson, Bradley J. (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Torun, Hamdi (Bogazici University. Department of Electrical and Electronics Engineering) ;
Lühmann, Tessa (Universität Würzburg. Institute of Pharmacy and Food Chemistry)
Fibroblast growth factor 2 (FGF-2), an important paracrine growth factor, binds electrostatically with low micromolar affinity to heparan sulfates present on extracellular matrix proteins. A single molecular analysis served as a basis to decipher the nanomechanical mechanism of the interaction between FGF-2 and the heparan sulfate surrogate, heparin, with a modular atomic force microscope (AFM) design combining magnetic actuators with force measurements at the low force regime (1 × 10¹ to 1 × 10⁴ pN/s). [...]
2017 - 10.1021/acsbiomaterials.6b00723
ACS biomaterials science & engineering, Vol. 3, issue 6 (2017) , p. 1000-1007
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5.
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19 p, 606.3 KB |
Dually actuated atomic force microscope with miniaturized magnetic bead-actuators for single-molecule force measurements
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Sevim, Semih (Bogazici University. Department of Electrical and Electronics Engineering) ;
Ozer, Sevil (Bogazici University. Department of Electrical and Electronics Engineering) ;
Feng, Luying (Bogazici University. Department of Electrical and Electronics Engineering) ;
Wurzel, Joel (University of Würzburg. Institute of Pharmacy and Food Chemistry) ;
Fakhraee, Arielle (Aeon Scientific AG) ;
Shamsudhin, Naveen (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Jang, Bumjin (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Alcantara, Carlos (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Ergeneman, Olgaç (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física) ;
Sort Viñas, Jordi (Institució Catalana de Recerca i Estudis Avançats) ;
Lühmann, Tessa (University of Würzburg. Institute of Pharmacy and Food Chemistry) ;
Pané i Vidal, Salvador (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Nelson, Bradley J. (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Torun, Hamdi (Bogazici University. Department of Electrical and Electronics Engineering)
We report for the first time on a novel Atomic Force Microscopy (AFM) technique with dual actuation capabilities using both piezo and magnetic bead actuation for advanced single-molecule force spectroscopy experiments. [...]
2016 - 10.1039/c6nh00134c
Nanoscale, Vol. 1, Issue 6 (November 2016) , p. 488-495
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6.
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18 p, 2.0 MB |
Cross-sectioning spatio-temporal Co-In electrodeposits: disclosing a magnetically-patterned nanolaminated structure
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Golvano Escobal, Irati (Universitat Autònoma de Barcelona. Departament de Física) ;
Sirvent, Juan de Dios (Universitat Autònoma de Barcelona. Departament de Física) ;
Ferran, Marta (Universitat Autònoma de Barcelona. Departament de Física) ;
Suriñach, Santiago (Suriñach Cornet) (Universitat Autònoma de Barcelona. Departament de Física) ;
Baró, M. D.. (Universitat Autònoma de Barcelona. Departament de Física) ;
Pané i Vidal, Salvador (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Sort Viñas, Jordi (Institució Catalana de Recerca i Estudis Avançats) ;
Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física)
Micrometer-thick cobalt-indium (Co-In) films consisting of self-assembled layers parallel to the cathode plane, and with a periodicity of 175 ± 25 nm, have been fabricated by electrodeposition at a constant current density. [...]
2017 - 10.1016/j.matdes.2016.11.088
Materials & design, Vol. 114 (January 2017) , p. 202-207
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7.
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14 p, 5.7 MB |
Scanning probe microscopies for analytical studies at the nanometer scale
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Esplandiu Egido, Maria José (Universitat Autònoma de Barcelona. Departament de Química)
The scanning probe microscopies (SPM) have transformed the way of studying the structure and the properties of a wide variety of systems. Without doubt, they have exerted a pivotal role in many scientific disciplines like physics, chemistry, biology and engineering and have helped to give birth to novel fields such as the nanoscience and nanotechnology. [...]
Les microscòpies locals de rastreig han transformat la manera d'estudiar l'estructura i les propietats d'una gran varietat de sistemes. Sens dubte, han tingut un paper essencial en moltes disciplines, com ara la física, la química, la biologia i l'enginyeria, i han contribuït al naixement de nous camps, com ara la nanociència i la nanotecnologia. [...]
2005
Contributions to science, Vol. 3, Núm. 1 (2005) , p. 33-46
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8.
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4 p, 445.9 KB |
Direct evidence of imprinted vortex states in the antiferromagnet of exchange biased microdisks
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Salazar Álvarez, Germán (Centre d'Investigació en Nanociència i Nanotecnologia) ;
Kavich, J. J. (Centre d'Investigació en Nanociència i Nanotecnologia) ;
Sort Viñas, Jordi (Institució Catalana de Recerca i Estudis Avançats) ;
Mugarza, Aitor (Centre d'Investigació en Nanociència i Nanotecnologia) ;
Stepanow, S. (Centre d'Investigació en Nanociència i Nanotecnologia) ;
Potenza, A. (Diamond Light Source (Firm)) ;
Marchetto, H. (Diamond Light Source (Firm)) ;
Dhesi, S. S. (Diamond Light Source (Firm)) ;
Baltz, Vincent (SPINTEC (Spin Electronics Research)) ;
Dieny, B. (SPINTEC (Spin Electronics Research)) ;
Weber, A. (Paul Scherrer Institut. Laboratory for Micro- and Nanotechnology (Villigen, Suïssa)) ;
Heyderman, L. J. (Paul Scherrer Institut. Laboratory for Micro- and Nanotechnology (Villigen, Suïssa)) ;
Nogués, Josep (Institut Català de Nanociència i Nanotecnologia) ;
Gambardella, Pietro (Centre d'Investigació en Nanociència i Nanotecnologia) ;
American Physical Society
The magnetic domain structure of patterned antiferromagnetic/ferromagnetic Ir20Mn80/Ni80Fe20 bilayer microdisk arrays has been investigated using layer-specific polarized x-ray photoemission electron microscopy and magnetic circular dichroism. [...]
2009 - 10.1063/1.3168515
Applied physics letters, Vol. 95, Issue 1 (July 2009) , p. 012510/1-012510/3
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