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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Zlotnikov, Igor
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2023In Situ Nanoindentation at Elevated Humiditiescitations
- 2020Natural hybrid silica/protein superstructure at atomic resolutioncitations
- 2019Morphological and textural evolution of the prismatic ultrastructure in mollusc shellscitations
- 2017Nano-scale modulus mapping of biological composite materials: Theory and practicecitations
- 2017Mesocrystalline calcium silicate hydrate : a bioinspired route toward elastic concrete materialscitations
- 2016Gas barrier properties of bio-inspired Laponite–LC polymer hybrid filmscitations
- 2016Inherent Role of Water in Damage Tolerance of the Prismatic Mineral–Organic Biocomposite in the Shell of Pinna Nobiliscitations
- 2015Micro- and nano-structural details of a spider's filter for substrate vibrationscitations
- 2015Characterizing moisture-dependent mechanical properties of organic materialscitations
- 2015Electron microscope analyses of the bio-silica basal spicule from the Monorhaphis chuni spongecitations
- 2015Eshelby Twist as a Possible Source of Lattice Rotation in a Perfectly Ordered Protein/Silica Structure Grown by a Simple Organismcitations
- 2014A spider's biological vibration filtercitations
- 2014A Perfectly Periodic Three-Dimensional Protein/Silica Mesoporous Structure Produced by an Organismcitations
- 2014Hierarchically Structured Vanadium Pentoxide-Polymer Hybrid Materialscitations
- 2014Composition and Mechanical Properties of a Protein/Silica Hybrid Material Forming the Micron-Thick Axial Filament in the Spicules of Marine Spongescitations
- 2014Mesoporous silica: a perfectly periodic three-dimensional protein/silica mesoporous structure produced by an organism (adv. Mater. 11/2014).citations
- 2014Nanostructure of Biogenic Calcite and Its Modification under Annealing: Study by High-Resolution X-ray Diffraction and Nanoindentationcitations
- 2014Self-similar mesostructure evolution of the growing mollusc shell reminiscent of thermodynamically driven grain growthcitations
- 2013Structural and mechanical properties of the arthropod cuticlecitations
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article
Inherent Role of Water in Damage Tolerance of the Prismatic Mineral–Organic Biocomposite in the Shell of Pinna Nobilis
Abstract
<p>The combination of high stiffness, strength, and toughness of many biological tissues is achieved through complex 3D arrangement of hard and soft components. While the hard building blocks are associated with the general stiffness of these biocomposite structures, the soft organic constituents provide the necessary flexibility and toughness and are susceptible to moisture uptake. Because many biological materials reside in humid environments, water is an inherent component of their microstructure. Hence, many studies have emphasized the effect of moisture content on mechanical performance of these materials. High toughness is indeed reported in materials, such as bone, teeth, mollusk shells, and glass sponges, when measured in high relative humidities, nevertheless, not much is known about the exact mechanisms that are responsible for this phenomenon. In the present work, newly developed environmentally controlled nanomechanical characterization techniques are employed to probe the prismatic layer in the shell of Pinna nobilis consisting of hard calcitic blocks surrounded by 1 μm thick organic matrix. Using spatially resolved mechanical data, it is demonstrated that water not only strongly affects the mechanical properties of the biocomposite tissue and its constituents but also is an integral part of explicit intrinsic and extrinsic toughening mechanisms revealed in this study.</p>