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Numerical Analysis and Theoretical Study on the Interfacial Bonding Behavior of High-Strength Steel Stainless Wire Mesh-Reinforced ECC and Concrete.
Materials (Basel)
December 2024
Department of Civil Engineering, Henan Vocational College of Water Conservancy and Environment, Zhengzhou 450008, China.
In order to investigate the interfacial bonding properties of high-strength steel stainless wire mesh-reinforced ECC (HSSWM-ECC) and concrete, a finite element model was established for two types of interfaces based on experimental research. The results show that the failure modes observed in the 21 groups of simulations can be classified into three categories: debonding failure, ECC extrusion failure and concrete splitting failure. The failure mode was mainly affected by the type of interface.
View Article and Find Full Text PDFHigh-Precision Printing Sandwich Flexible Transparent Silver Mesh for Tunable Electromagnetic Interference Shielding Visualization Windows.
ACS Appl Mater Interfaces
December 2024
State Key Laboratory of Organic Electronics and Information Displays and Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan, Nanjing 210023, People's Republic of China.
Flexible transparent conductive films (FTCFs) with electromagnetic interference (EMI) shielding performance are increasingly crucial as visualization windows in optoelectronic devices due to their capabilities to block electromagnetic radiation (EMR) generated during operation. Metal mesh-based FTCFs have emerged as a promising representative in which EMI shielding effectiveness (SE) can be enhanced by increasing the line width, reducing the line spacing, or increasing mesh thickness. However, these conventional approaches decrease optical transmittance or increase material consumption, thus compromising the optical performance and economic viability.
View Article and Find Full Text PDFPosterior Maxillary Segmental Osteotomy for Management of Insufficient Intermaxillary Vertical Space: An Updated Treatment Sequence.
J Craniofac Surg
December 2024
Department of Oral Diagnosis, Faculdade de Odontología de Piracicaba, Universidade Estadual de Campinas, Piracicaba, São Paulo, Brazil.
The effect of the time-to-treat for prosthetic rehabilitation of edentulous areas of the jaws can generate several intra-arch and inter-arch clinical changes over time, including alveolar or dentoalveolar block extrusion. To treat these conditions, posterior maxillary segmental osteotomy (PMSO) is a surgical option. This study reports a case of a patient who developed dentoalveolar block extrusion after postponing implant-supported prosthetic rehabilitation for 5 years.
View Article and Find Full Text PDF3D bioartificial stretchable scaffolds mimicking the mechanical hallmarks of human cardiac fibrotic tissue.
Int J Bioprint
May 2024
Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Turin, Italy.
Article Synopsis
- Human cardiac fibrotic tissues are stiffer than healthy tissues and can't contract on their own, highlighting the need for scaffolds that mimic their mechanical properties.
- This study developed bioartificial scaffolds made from PCL and gelatin methacryloyl (GelMA) that replicate the stiffness and stretchability of these fibrotic tissues for better integration with cardiac cells.
- Testing showed that scaffolds support human cardiac fibroblast culture, improve cell viability and organization, and facilitate the presence of smooth muscle actin-positive cells when subjected to dynamic conditions.
Long-term outcomes of open midline ventral hernia repair using a narrow well-fixed retrorectus polypropylene mesh.
Hernia
December 2024
Division of Plastic and Reconstructive Surgery, Department of Surgery, Feinberg School of Medicine, Northwestern University, 259 E Erie St., Suite 20-2060, Chicago, Illinois, 60611, USA.
Introduction: The ultimate measure of successful abdominal wall reconstruction is a pain-free, complication-free, and durable hernia repair. Open techniques have generally lost favor, but they still have much to offer for patients with skin deficits and excess. The long-term complication rates for open hernia repairs is unknown.
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