Results 91 to 100 of about 21,729 (297)

Second‐Harmonic Hyper‐Mie Optical Activity Enables Closed‐Loop Chiral Photochemistry

Advanced Materials, EarlyView.
Nonlinear chiral photochemistry is demonstrated in CdTe/CdO nanohelices, where circularly polarized infrared light both drives and tracks photo‐oxidation via second‐harmonic scattering. This closed‐loop process reveals real‐time structural evolution, including shell fracturing and core exposure, accompanied by a transition from hyper‐Mie to hyper ...
Hoyeon Choi, Kody Whisnant, Ben J. Olohan, E. Petronijevic, G. Dan Pantoș, Nicholas A. Kotov, Ventsislav K. Valev   +6 more
wiley   +1 more source

Effect of Footing Shape on the Rocking Behavior of Shallow Foundations

Buildings
Sources such as wind or severe seismic activity often exert extreme lateral loading onto the shallow foundations supporting high-rise structures such as bridge piers, buildings, shear walls, and wind turbine towers.
Ali Khezri, Mohamadali Moradi, Seyed Majdeddin Mir Mohammad Hosseini, Hongbae Park, Daeyong Lee   +4 more
doaj   +1 more source

Durability of Rock Armour on Coastal Structures

Coastal Engineering 1986, 1986
This paper summarises many of the recent advances in the testing of rock quality for coastal structures. Advanced work on armour profile and armour unit shape descriptors is identified. A set of assessment methods for monitoring armoured slopes in the field are described, with examples drawn from recent monitoring exercises.
A.P. Bradbury, N.W.H. Allsop
openaire   +2 more sources

Ultra‐High‐Throughput Discovery of Multifunctional Polyphenolic Coatings on Droplet Microarrays

Advanced Materials, EarlyView.
An ultra‐high‐throughput (UHT) combinatorial strategy enables the miniaturized synthesis and screening of ≈30 000 polyamine‐polyphenolic (PaPp) coatings using droplet microarrays (DMA). This approach reveals hundreds of previously unknown fluorescent, redox‐active, and antibacterial materials, including multifunctional, cell‐compatible surfaces ...
Vania Tanda Widyaya, Joaquín E. Urrutia Gómez, Paul Reuß, Alexander Welle, Rolf A. Gattung, Jana Mayer, Peter Krolla, Markus Reischl, Pascal Friederich, Anna A. Popova, Thomas Schwartz, Pavel A. Levkin   +11 more
wiley   +1 more source

The rocking response of large flexible structures to earthquakes

, 2014
The rocking response of structures subjected to strong ground motions is a problem of 'several scales'. While small structures are sensitive to acceleration pulses acting successively, large structures are more significantly affected by coherent low ...
DeJong, MJ, Acikgoz, S, ,
core  

Numerical modeling of wave-induced liquefaction around a gravity-based structure

Frontiers in Built Environment
Residual liquefaction, a significant issue in marine engineering, results from accumulated pore-water pressure in the seabed due to cyclic shear stresses, which compromises soil stability.
V. S. Ozgur Kirca, V. S. Ozgur Kirca, Mert Angin, B. Mutlu Sumer   +3 more
doaj   +1 more source

Evaluation of seismic behavior of box culvert buried in the ground through centrifuge model tests and numerical analysis

Underground Space, 2019
Japan has yet to establish a seismic design for road box culverts (RBCs) because past major earthquakes did not damage them. In recent years, structures with enlarged sectional dimensions (the purpose of which is to optimize the internal space in RBCs ...
Hitoshi Yatsumoto, Yasuo Mitsuyoshi, Yasuo Sawamura, Makoto Kimura   +3 more
doaj   +1 more source

An Ion‐Based Strategy Toward Synergistic Surface Functionalization Combining the Osteogenic Properties and NIR‐Mediated Antibacterial Activity of PEEK

Advanced Materials, EarlyView.
A multifunctional bioactive PEEK‐based implant (Mn@p/MBG‐SPEEK) is engineered to combat implant‐associated infections while promoting osteogenesis. The hybrid surface activates PI3K/Akt/mTOR and AP‐1 signaling pathways for osteogenic differentiation, while Mn coordination induces electronic coupling that narrows the HOMO‐LUMO energy gap and enhances ...
Zhiyan Xu, Ondřej Adam, Marek Doubrava, Ana M. Beltrán, Ivo Dlouhý, Xin Liu, Baiyan Sui, Aldo R. Boccaccini   +7 more
wiley   +1 more source

Free Rocking of a Rigid Block on a Flexible Structure with Non-Smooth Contact Dynamics

Applied Sciences
When structures are subjected to dynamic loading, such as that caused by an earthquake or working machinery, the rocking behavior of objects located on parts of the loaded structure plays an important role in addressing the protection and stability of ...
Teo Mudrić, Nina Čeh, Stefan Hante, Martin Arnold   +3 more
doaj   +1 more source

Facet‐Specific PbS Quantum Dot Passivation Using Halide Perovskites for SWIR Photodetectors

Advanced Materials Interfaces, EarlyView.
PbS quantum dots (QDs) are emerging as powerful short‐wave infrared photodetectors, yet the passivation mechanism of large QDs by perovskites ‐ critical for their stability ‐ remains unexplained. Here, we unveil the ligand structure of CH3NH3PbI3 (MAPI)‐passivated 4‐nm PbS QDs using FTIR, XPS, SEM, NMR, and DFT.
L. Paillardet, M. Gromova, D. Liu, A. S. Vasenko, O. V. Prezhdo, S. Alarab, G. De Paëpe, G. Lefevre, S. Charlot, O. Gourhant, B. Mortini, P. Reiss, J.‐M. Verilhac, D. Aldakov   +13 more
wiley   +1 more source