Zobrazeno 1 - 10 of 14 pro vyhledávání: '"Marc Widdrat"'
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Akademický článek
Formation of magnetite nanoparticles at low temperature: from superparamagnetic to stable single domain particles.
Autor: Jens Baumgartner, Luca Bertinetti, Marc Widdrat, Ann M Hirt, Damien Faivre
Publikováno v: PLoS ONE, Vol 8, Iss 3, p e57070 (2013)
The room temperature co-precipitation of ferrous and ferric iron under alkaline conditions typically yields superparamagnetic magnetite nanoparticles below a size of 20 nm. We show that at pH = 9 this method can be tuned to grow larger particles with
Externí odkaz: https://doaj.org/article/0f7a539e18974601b73b36d4aaa157db
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2
Bacteriophage‐Templated Assembly of Magnetic Nanoparticles and Their Actuation Potential
Autor: Christophe Tarabout, Katja M. Arndt, Mathieu Bennet, Marc Widdrat, Frank Mickoleit, Dirk Schüler, Agata Olszewska-Widdrat, Damien Faivre, Victoria Reichel
Publikováno v: ChemNanoMat
ChemNanoMat, 2021, 7 (8), pp.942-949. ⟨10.1002/cnma.202100053⟩
ChemNanoMat, Wiley, 2021, 7 (8), pp.942-949. ⟨10.1002/cnma.202100053⟩
International audience; Magnetic chains are of fundamental and technological interest. However, 1D assemblies of magnetic nanoparticles are only metastable such that their controlled organization requires the use of templates. Bacteriophages are huma
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa64df0f82eea43e8f7016c9bdf44ca7
https://hal-amu.archives-ouvertes.fr/hal-03296301/document
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3
The importance of the helical structure of a MamC-derived magnetite-interacting peptide for its function in magnetite formation
Autor: Ana Peigneux, Hila Nudelman, Ronit Bitton, Damien Faivre, Concepcion Jimenez-Lopez, Marc Widdrat, Geula Davidov, T. Perez Gonzalez, S. Kolushiva, Raz Zarivach, Victoria Reichel
Publikováno v: Acta crystallographica. Section D, Structural biology. 74(Pt 1)
Biomineralization is the process of mineral formation by organisms and involves the uptake of ions from the environment in order to produce minerals, with the process generally being mediated by proteins. Most proteins that are involved in mineral in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cd57a7672e382adfeab703786c789a8b
https://pubmed.ncbi.nlm.nih.gov/29372895
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4
Combined experimental and theoretical approach to the kinetics of magnetite crystal growth from primary particles
Autor: Emanuel Schneck, Jens Baumgartner, Damien Faivre, Peter Fratzl, Luca Bertinetti, Klaas Bente, Marc Widdrat, Victoria Reichel, Wouter J. E. M. Habraken
Publikováno v: The Journal of Physical Chemistry Letters
It is now recognized that nucleation and growth of crystals can occur not only by the addition of solvated ions but also by accretion of nanoparticles, in a process called nonclassical crystallization. The theoretical framework of such processes has
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f91217ae81bd876c72a9893f35d7d420
https://hdl.handle.net/11858/00-001M-0000-002D-2EA1-711858/00-001M-0000-002D-2EA3-311858/00-001M-0000-002D-2EA4-1
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5
Probing the Mechanical Properties of Magnetosome Chains in Living Magnetotactic Bacteria
Autor: Frank D. Müller, Janet Andert, Jiajia Dong, Stefan Klumpp, Mathieu Bennet, Damien Faivre, Marc Widdrat, André Körnig, Dirk Schüler
Publikováno v: Nano Letters
The mechanical properties of cytoskeletal networks are intimately involved in determining how forces and cellular processes are generated, directed, and transmitted in living cells. However, determining the mechanical properties of subcellular molecu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b50534f1180dc4b4faae0bb6c9544ea9
http://europepmc.org/articles/PMC4133184
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6
Magnetotactic bacteria form magnetite from a phosphate-rich ferric hydroxide via nanometric ferric (oxyhydr)oxide intermediates
Autor: Damien Faivre, Marc Widdrat, Jens Baumgartner, Teresa Perez Gonzalez, Julie Cosmidis, Nicolas Menguy, Guillaume Morin
Publikováno v: Proceedings of the National Academy of Sciences of the United States of America
Proceedings of the National Academy of Sciences of the United States of America, National Academy of Sciences, 2013, 110, pp.14883-14888. ⟨10.1073/pnas.1307119110⟩
Proceedings of the National Academy of Sciences of the United States of America, 2013, 110, pp.14883-14888. ⟨10.1073/pnas.1307119110⟩
'Proceedings of the National Academy of Sciences of the USA ', vol: 110, pages: 14883-14888 (2013)
Proceedings of the National Academy of Sciences
The iron oxide mineral magnetite (Fe 3 O 4 ) is produced by various organisms to exploit magnetic and mechanical properties. Magnetotactic bacteria have become one of the best model organisms for studying magnetite biomineralization, as their genomes
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d14d205f6ebd1d903fe6be237fc08424
https://doi.org/10.1073/pnas.1307119110
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8
Keeping nanoparticles fully functional : long-term storage and alteration of magnetite
Autor: Marc Widdrat, Monika Kumari, Mihály Pósfai, Ann M. Hirt, Damien Faivre, Éva Tompa
Publikováno v: ChemPlusChem
ChemPlusChem, 79 (8)
Chempluschem
Magnetite is an iron oxide found in rocks. Its magnetic properties are used for paleoclimatic reconstructions. It can also be synthesized in the laboratory to exploit its magnetic properties for bio- and nanotechnological applications. However, altho
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::36e44e77c66676708958a3792bc6fc92
https://hdl.handle.net/11858/00-001M-0000-0024-37D7-C11858/00-001M-0000-0024-37D5-0
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9
Structural insight into magnetochrome-mediated magnetite biomineralization
Autor: Wei-Jia Zhang, Michelle C. Y. Chang, Stephanie R. Jones, Marc Widdrat, Marina I. Siponen, Damien Faivre, David Pignol, Pierre Legrand, Pascal Arnoux
Publikováno v: Nature
Nature, 2013, 502 (7473), pp.681-684. ⟨10.1038/nature12573⟩
Nature, Nature Publishing Group, 2013, 502 (7473), pp.681-684. ⟨10.1038/nature12573⟩
The magnetosome-associated protein mamP is an iron oxidase that reveals a unique arrangement of a self-plugged PDZ domain fused to two magnetochrome domains, defining a new class of c-type cytochrome exclusively found in magnetotactic bacteria. Magne
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::21c6add6c6fa9ab6999cff76e5029b46
https://hal-cea.archives-ouvertes.fr/cea-02074556
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10
Selecting for function : solution synthesis of magnetic nanopropellers
Autor: Peter Fratzl, Marc Widdrat, Jens Baumgartner, Stefan Klumpp, Luca Bertinetti, Damien Faivre, Mathieu Bennet, Nicolas Brun, Peter J. Vach
Publikováno v: Nano Letters
We show that we can select magnetically steerable nanopropellers from a set of carbon coated aggregates of magnetic nanoparticles using weak homogeneous rotating magnetic fields. The carbon coating can be functionalized, enabling a wide range of appl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e3229d1a2d63d01ef81e1eaf0165e49
https://hdl.handle.net/11858/00-001M-0000-0015-3615-E11858/00-001M-0000-0015-3613-1
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