Results 51 to 60 of about 469,616 (361)

Evaluation of Passive Silicone Samplers Compared to Active Sampling Methods for Polycyclic Aromatic Hydrocarbons During Fire Training

Toxics
Firefighters are occupationally exposed to many chemicals, including polycyclic aromatic hydrocarbons (PAHs), which are formed by the incomplete combustion of organic matter during fire response and training activities.
Paro Sen, Miriam Calkins, Keith Stakes, Danielle L. Neumann, I-Chen Chen, Gavin P. Horn   +5 more
doaj   +1 more source

Functionalization of breast implants by cyclodextrin in-situ polymerization: a local drug delivery system for augmentation mammaplasty

Frontiers in Bioengineering and Biotechnology, 2023
Mammaplasty is a widely performed surgical procedure worldwide, utilized for breast reconstruction, in the context of breast cancer treatment, and aesthetic purposes. To enhance post-operative outcomes and reduce risks (hematoma with required evacuation,
Karen Escobar, Ignacio Carrera, Nelson Naveas, Nelson Naveas, Ruth Pulido, Ruth Pulido, Miguel Manso, João Paulo de Oliveira Guarnieri, Marcelo Lancellotti, Monica A. Cotta, Yendry Regina Corrales-Ureña, Klaus Rischka, Jacobo Hernandez-Montelongo, Jacobo Hernandez-Montelongo   +13 more
doaj   +1 more source

Controlled partial embedding of carbon nanotubes within flexible transparent layers [PDF]

, 2008
Applications of carbon nanotubes (CNTs) like field emission displays, super-capacitors, and cell growth scaffolds can benefit from controllable embedding of the CNTs in a material such that the CNTs are anchored and protrude a desired length.
Gharib, Morteza, Rinderknecht, Derek, Sansom, Elijah B.   +2 more
core  

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

Advanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal, Michael M. Becker, Sarah C. L. Fischer   +2 more
wiley   +1 more source

Dielectric Behavior of Stretchable Silicone Rubber–Barium Titanate Composites

Crystals
In this study, elastomer composites, including silicone rubber and barium titanate, were fabricated by mechanical mixing, a low-cost, fast, and easy technique to produce highly dielectric materials.
Argyri Drymiskianaki, Klytaimnistra Katsara, Alexandra Manousaki, Zacharias Viskadourakis, George Kenanakis   +4 more
doaj   +1 more source

Dental implant-retained auricular prosthesis

Dental Research Journal, 2018
Absence or loss of facial structures causes functional deficits and enormous psychological distress, so rehabilitation is necessary. However, facial prostheses have some difficulties due to mobile underlying tissues and retention.
Farzad Yeganeh, Abbas Haghighat, Maryam Amini-Pozveh   +2 more
doaj   +1 more source

Evaluating Energy Absorption Performance of Filled Lattice Structures

Advanced Engineering Materials, EarlyView.
Maximum stress must be considered to robustly evaluate energy absorber designs. This approach was applied to compare all types of absorbers in a single Ashby diagram and determine the utility of filling lattice voids with a second material. High‐performance fillers can improve the performance of lattices that are limited by buckling or catastrophic ...
Christian Bonney, William P. King, Iwona Jasiuk   +2 more
wiley   +1 more source

Le moulage en archéologie préventive

Les Nouvelles de l’Archéologie, 2015
La fonction du moulage a progressivement évolué de l’objet de partage à un outil de comparaison des collections pour devenir aujourd’hui un moyen de conservation.
Pascal Raymond
doaj   +1 more source

A Topology Optimization Framework for the Inverse Design of Nonlinear Mechanical Metamaterials

Advanced Engineering Materials, EarlyView.
This work uses topology optimization to design unit cells for mechanical metamaterials with a prescribed nonlinear stress–strain response. The framework adds contact and postbuckling modeling to synthesize microstructures for three highly nonlinear responses, including pseudoductile behavior, monostable with snap‐through buckling, and bistable ...
Charlie Aveline, Matthew Santer, Robert Hewson   +2 more
wiley   +1 more source

Development of a measurement setup to determine the frictional properties of tissuemimicking materials for vascular models

Current Directions in Biomedical Engineering
In this study, a measurement setup was developed to determine the frictional properties between tissue-mimicking and implant materials. Nitinol and Polytetrafluoroethylene (PTFE) were selected as implant materials, while Polyvinyl alcohol (PVA) hydrogel ...
Karcher Alisa, Schäfer Jenny, Cattaneo Giorgio, Sanchez Daniela   +3 more
doaj   +1 more source