Results 11 to 20 of about 15,153,604 (348)

Research on the evaluation system of prosthesis structure type implanted with porous structure. [PDF]

Front Transplant
The porous structure can effectively reduce the stress shielding effect in the process of implanting prostheses in the treatment of bone defects, but the performance of different types of porous structures directly affects the treatment effect, so it is ...
Zhu Y, Jiang Y, Lei L, Liu H, Guan T.
europepmc   +2 more sources

Design and Mechanical Properties Verification of Gradient Voronoi Scaffold for Bone Tissue Engineering

Micromachines, 2021
In order to obtain scaffold that can meet the therapeutic effect, researchers have carried out research on irregular porous structures. However, there are deficiencies in the design method of accurately controlling the apparent elastic modulus of the ...
Haiyuan Zhao, Yafeng Han, Chen Pan, Ding Yang, Haotian Wang, Tingyu Wang, Xinyun Zeng, Penglei Su   +7 more
doaj   +1 more source

Thermal Cloaking in Nanoscale Porous Silicon Structure by Molecular Dynamics

Energies, 2022
Nanoscale thermal cloaks have great potential in the thermal protection of microelectronic devices, for example, thermal shielding of thermal components close to the heat source.
Jian Zhang, Haochun Zhang, Yiyi Li, Qi Wang, Wenbo Sun   +4 more
doaj   +1 more source

The Mechanical Effect of MnO₂ Layers on Electrochemical Actuation Performance of Nanoporous Gold

Nanomaterials, 2020
This study investigated the electrochemical actuation behavior of nanoporous material during the capacitive process. The length change of nanoporous gold (npg) was in situ investigated in a liquid environment using the dilatometry technique.
Zhifei Han, Zhengpan Qi, Qiang Wei, Qibo Deng, Ke Wang   +4 more
doaj   +1 more source

Novel Design and Optimization of Porous Titanium Structure for Mandibular Reconstruction

Applied Bionics and Biomechanics, 2022
A porous material is considered to be a potential material that can be used to repair bone defects. However, the methods of designing of a highly porous structure within the allowable stress range remain to be researched.
Renshun Liu, Yuxiong Su, Weifa Yang, Xiaobing Dang, Chunyu Zhang, Ruxu Du, Yong Zhong   +6 more
doaj   +1 more source

Femoral Stems With Porous Lattice Structures: A Review

Frontiers in Bioengineering and Biotechnology, 2021
Cementless femoral stems are prone to stress shielding of the femoral bone, which is caused by a mismatch in stiffness between the femoral stem and femur. This can cause bone resorption and resultant loosening of the implant. It is possible to reduce the
Bolun Liu, Huizhi Wang, Ningze Zhang, Min Zhang, Cheng-Kung Cheng, Cheng-Kung Cheng   +5 more
doaj   +1 more source

Engineering the Coordination Sphere of Isolated Active Sites to Explore the Intrinsic Activity in Single-Atom Catalysts

Nano-Micro Letters, 2021
Reducing the dimensions of metallic nanoparticles to isolated, single atom has attracted considerable attention in heterogeneous catalysis, because it significantly improves atomic utilization and often leads to distinct catalytic performance.
Xin Wu, Huabin Zhang, Shouwei Zuo, Juncai Dong, Yang Li, Jian Zhang, Yu Han   +6 more
doaj   +1 more source

Numerical study on the impact of wall structure on the thermal performance of double-channel porous solar wall

Scientific Reports, 2022
With the improvement of people’s living standards, they have higher requirements for indoor thermal comfort in the cold season. Solar wall utilizing solar energy for heating can reduce carbon emissions and achieve carbon neutrality.
Xuejun Qi, Shuang Lin, Shuyan Tao, Kumar Patchigolla   +3 more
doaj   +1 more source

Plasmonic porous ceramics based on zirconia-toughened alumina functionalized with silver nanoparticles for surface-enhanced Raman scattering

Open Ceramics, 2022
We demonstrate the feasibility of plasmonic porous ceramics which combine the optical properties of plasmonic nanoparticles with the advantages of open porous ceramics.
Tongwei Guo, Md Nurul Karim, Kowsik Ghosh, M. Mangir Murshed, Kurosch Rezwan, Michael Maas   +5 more
doaj   +1 more source

Evaluation of internal fit of press ceramic and porous structured cobalt–chromium crown fabricated by additive manufacturing

Dental Research Journal, 2022
Background: The purpose of this in vitro study is to fabricate a novel metal–ceramic prosthesis with a porous structure, to compensate for the disadvantages associated with the design of existing prostheses, and to measure the internal fit of this ...
Eun-Jeong Bae, Ji-Hwan Kim, Joong Yeon Lim   +2 more
doaj   +1 more source