Results 71 to 80 of about 78,265 (290)

Sicherheit geht vor – Evaluierung von IOL-Injektorsystemen (manuell, preloaded, fully-preloaded)

, 2019
Zielsetzung: Fortschritte in der Kataraktchirurgie brachten Implantationssysteme für vorgeladene Intraokularlinsen (IOL) auf den Markt. Diese sollen die Gesamtzeit der Operation sicher und effektiv reduzieren. Die vorliegende Studie betrachtete die Sicherheit und Handlichkeit des 2-Komponenten [zum vollständigen Text gelangen Sie über die oben ...
Borkenstein, A, Borkenstein, EM
openaire   +2 more sources

Start, Stop, Rewind, Repeat—Cyclic Exposure of Adipose Stromal Cells‐derived Cartilage Organoids to Chondrogenic and Proliferative Cues to Achieve Scaled‐up and Customizable Bone Formation by Endochondral Ossification

Advanced Healthcare Materials, EarlyView.
This study exploits the plasticity of ASCs‐derived cartilage organoids which generate a perichondrial layer of MSCs when exposed to cyclic chondrogenic/proliferative cues. Using these organoids as building blocks, we develop (i) Phalange Shaped Tissue Engineered Cartilage (Pa‐TECs), recapitulating endochondral ossification suitable for the treatment of
Pablo Pfister, Emilien Lhospice, Andrés García‐García, Robert Paillaud, Sebastian Jung, Romain Schaller, Elisabeth A. Kappos, Claude Jaquiéry, Tarek Ismail, Dirk J. Schaefer, Michael de Wild, Ivan Martin, Alexandre Kaempfen, Arnaud Scherberich, Adrien Moya   +14 more
wiley   +1 more source

Backanalysis of preloading

, 2017
The paper presents the application of a backanalysis methodology to the inverse analysis of preloading soft clays. The methodology is based on an appropriate selection of the objective function and it uses a novel adaptive genetic algorithm approach to solve the resulting optimization problem.
Santos Rodríguez, Cristian de, Ledesma Villalba, Alberto, Gens Solé, Antonio   +2 more
openaire   +2 more sources

Diels‐Alder Click Chemistry as a Dynamic‐Covalent Crosslinking Method in Spheroid‐Encapsulating Hydrogels for Cartilage Engineering

Advanced Healthcare Materials, EarlyView.
This research shows the development of hydrogels with Diels‐Alder click chemistry for engineering cartilage‐like tissue. The hydrogels support cartilage spheroids which could be cultured for at least 28 days. Furthermore, the spheroids showed a tendency to fuse together into a more consistent construct, and produced important components needed for ...
Sanne M. van de Looij, Antonia G. Vasilopoulou, Lennard Spauwen, Antoinette van den Dikkenberg, Jasmijn V. Korpershoek, Mylene de Ruijter, Jos Malda, Bas G. P. van Ravensteijn, Tina Vermonden   +8 more
wiley   +1 more source

Torquing preload in a lubricated bolt [PDF]

The tension preload obtained by torquing a 7/8 in. diam UNC high strength bolt was determined for lubricated and dry conditions. Consistent preload with a variation of + or - 3% was obtained when the bolt head area was lubricated prior to each torque ...
Seegmiller, H. L.
core   +1 more source

Mechanical Behavior and Failure Analysis of Prosthetic Retaining Screws after Long‐term Use In Vivo. Part 1: Characterization of Adhesive Wear and Structure of Retaining Screws [PDF]

, 2007
Purpose: The general aim of this study and those presented in Parts 2–4 of this series was to characterize the structure, properties, wear, and fracture of prosthetic retaining screws in fixed detachable hybrid prostheses after long‐term use in vivo ...
Al Jabbari, Youssef S., Fournelle, Raymond, Iacopino, Anthony, Toth, Jeffrey M., Ziebert, Gerald J.   +4 more
core   +1 more source

Sprayable Polymer Blends With Short‐Chain Surface Segregation for Preventing Postoperative Abdominal Adhesions

Advanced Healthcare Materials, EarlyView.
Adhesions’ high occurrence rates and high morbidity render them a critical challenge to be addressed. Current prevention methods, such as physical barriers, have many limitations, resulting in inconsistent safety and efficacy. This study demonstrates the potential for sprayable polymeric materials as an adhesion barrier.
Robert J. Morris III, Tejaswi Nori, Alex I. Halpern, Hannah LaPadula, Arthur V. Cresce, Sarah L. Wright, Anthony D. Sandler, Peter Kofinas   +7 more
wiley   +1 more source

Arresting Microphase Separation Encodes Material Mechanics by Sculpting Microarchitectures and Local Polymer Enrichment

Advanced Materials, EarlyView.
Microarchitecture sculpting via phase separation programs hydrogel mechanics by creating globular, inverse globular, and spinodal structures. Spinodal architectures deliver superior toughness and energy dissipation, while ionic modulation through single polymer phase separation offers a simple, scalable route to tune mechanical properties ...
Castro Johnbosco, Floris Dalenoord, Jarno Hiemstra, Yu Na, Alexis Wolfel, Cécile Bosmans, Christine Gering, Niels Willemen, Su Ryon Shin, Jeroen Leijten   +9 more
wiley   +1 more source

Determination of ball bearing dynamic stiffness [PDF]

, 1982
The dynamic radial stiffness characteristics of rolling element bearings are currently determined by analytical methods that have not been experimentally verified.
Beatty, R. F., Rowan, B. F.
core   +1 more source

Adaptive Twisting Metamaterials

Advanced Materials, EarlyView.
This work introduces torque‐controlled twisting metamaterials as a transformative platform for adaptive crashworthiness. By combining multiscale predictive modeling with experimental validation on additively manufactured gyroids, it demonstrates tunable stiffness, collapse stress, and energy absorption.
Mattia Utzeri, Maria L. Gatto, Edoardo Mancini, Donato Orlandi, Daniele Cortis, Marco Sasso, Shanmugam Kumar   +6 more
wiley   +1 more source