Results 151 to 160 of about 5,434 (195)

Nanomechanical properties of dental resin-composites

Dental Materials, 2012
To determine by nanoindentation the hardness and elastic modulus of resin-composites, including a series with systematically varied filler loading, plus other representative materials that fall into the categories of flowable, bulk-fill and conventional nano-hybrid types.Ten dental resin-composites: three flowable, three bulk-fill and four conventional
El-Safty, S., Akhtar, R., Silikas, N., Watts, D. C.; id_orcid 0000-0002-9105-2775   +3 more
openaire   +2 more sources

Nanomechanical properties of vimentin intermediate filament dimers

Nanotechnology, 2009
The cell's cytoskeleton, providing the cell with structure and shape, consists of a complex array of structural proteins, including microtubules, microfilaments and intermediate filaments. Intermediate filaments play a crucial role in mechanotransduction and in providing mechanical stability to cells, in particular under large deformation. By utilizing
Zhao, Qin, Laurent, Kreplak, Markus J, Buehler   +2 more
openaire   +2 more sources

NANOMECHANICAL PROPERTIES OF EPOXY COMPOSITES WITH CARBON FILLERS

Physics, Chemistry and Applications of Nanostructures, 2013
The key point of this study is investigation of nanomechanical properties of epoxy-based nanocomposites filled with different kinds of carbon nanofillers like exfoliated graphite, high surface-area carbon black, single-walled carbon nanotubes and multi-walled carbon ...
Ivanov, E, Kotsilkova, R, Paddubskaya, A, Pliushch, A, Stefanutti, E, CATALDO, Antonino, Celzard, A, Fierro, V.   +7 more
openaire   +2 more sources

Nanomechanical Properties of Globular Proteins:  Lactate Oxidase

Langmuir, 2007
We report on the study of the nanomechanical properties of a lactate oxidase (LOx) monolayer immobilized on gold substrates by atomic force microscopy techniques operating under buffer conditions. Topographical contact mode imaging evidenced the protein deformation under the applied tip load.
Ana, Parra, Elena, Casero, Encarnación, Lorenzo, Félix, Pariente, Luis, Vázquez   +4 more
openaire   +2 more sources

Nanomechanical Properties of Hydrated Carious Human Dentin

Journal of Dental Research, 2001
Most restorative materials are bonded to caries-affected dentin that has altered structure. We tested the hypothesis that hydrated dentin of the transparent zone did not have increased hardness or elastic modulus. Nanoindentation by modified AFM was used to determine site-specific elastic modulus and hardness for components of hydrated dentin from 8 ...
G W, Marshall, S, Habelitz, R, Gallagher, M, Balooch, G, Balooch, S J, Marshall   +5 more
openaire   +2 more sources

Nanomechanical properties of a Ni nanodot-patterned surface

Nanotechnology, 2008
Nanomechanical properties of a Ni nanodot-patterned surface (NDPS) on a Si substrate were investigated using nanoindentation. The Ni NDPS was fabricated by thermal evaporation of Ni through a porous anodized aluminum oxide template onto a Si substrate. Plan-view transmission electron microscopy and nanobeam diffraction were used to characterize the Ni ...
H, Wang, M, Zou, P R, Larson, E S, Sanchez, K L, Hobbs, M E, Curtis, M B, Johnson, O K, Awitor   +7 more
openaire   +2 more sources

Nanomechanical Properties of Brittle Matter

2001
The paper focuses on inelastic deformation of brittle materials, quasicrystals in particular. It is shown, that quasicrystals exhibit the normal indentation size effect (ISE) at room temperature, and the inverse one at elevated temperatures. Load-depth-curves exhibit distinct discontinuities, and unloading hysteresis was observed.
Bodo Wolf, Peter Paufler
openaire   +1 more source

Ultrastructure and nanomechanical properties of cementum dentin junction

Journal of Biomedical Materials Research Part A, 2003
AbstractThe attachment between cementum and dentin has been given several definitions and nomenclature, including: interzonal layer, intermediate cementum, collagen hiatus, Hopewell‐Smith's hyaline layer, and more commonly, cementum–dentin junction (CDJ).
S P, Ho, M, Balooch, H E, Goodis, G W, Marshall, S J, Marshall   +4 more
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Effect of bracket bonding on nanomechanical properties of enamel

American Journal of Orthodontics and Dentofacial Orthopedics, 2010
In this study, we investigated the nanohardness and elastic modulus of enamel after debonding metal brackets.The surfaces of 3 maxillary premolars were subdivided into 3 regions. Two regions were exposed to a conventional etching system (Transbond XT, 3M Unitek, Monrovia, Calif) and a self-etching system (Transbond Plus primer, 3M Unitek); the third ...
Masahiro, Iijima, Takeshi, Muguruma, William A, Brantley, Shuichi, Ito, Toshihiro, Yuasa, Takashi, Saito, Itaru, Mizoguchi   +6 more
openaire   +2 more sources

Study on Nanomechanical Properties of Dragonfly Wing

Advanced Materials Research, 2009
The flight mechanics of dragonflies including hovering and taking off backwards, flight sideways and vertical directions has been attentions in Bionics. The dragonfly wing consists of the networks of various veins and membranes to make the structural properties complicated.
Ching Hsin Chang, Ku En Ting, Kuen Tsan Chen   +2 more
openaire   +1 more source