Results 141 to 150 of about 57,568 (319)

Multipoles and vortex multiplets in multidimensional media with inhomogeneous defocusing nonlinearity

New Journal of Physics, 2015
We predict a variety of composite quiescent and spinning two- and three-dimensional (2D and 3D) self-trapped modes in media with a repulsive nonlinearity whose local strength grows from center to periphery.
Rodislav Driben, Nir Dror, Boris A Malomed, Torsten Meier   +3 more
doaj   +1 more source

Gellan Gum Fluid Gel System for Controlled‐Delivery of Cytokine‐Licensed MSC‐EVs to Enhance Corneal Repair in Limbal Stem Cell Deficiency

Advanced Healthcare Materials, EarlyView.
Gellan gum fluid gel (FG) enables controlled ocular delivery of mesenchymal stromal cell (MSC)‐derived extracellular vesicles (EV). Its shear‐thinning, solid‐liquid‐solid rheology ensures prolonged ocular retention. Sustained MSC‐EV release (∼18% in 6 hrs) supports effective EV ocular delivery.
Seyedmohammad Moosavizadeh, Ava Dashti, Thomas E. Robinson, Robyn Gaffey, Richard Moakes, Neil Lagali, Liam Grover, Thomas Ritter   +7 more
wiley   +1 more source

On the origin of time-dependent behaviour in a barotropically unstable shear layer [PDF]

, 2003
An experimental study on the instability of a detached Stewartson layer, using an annular, rotating tank with flat, rigid upper and lower boundaries, showed an instability to steady vortices at a critical Reynolds number, arranged in a global mode ...
Früh, W.-G., Fruh, W.G., Fruh, Wolf-Gerrit; id_orcid, Nielsen, A. H., Nielsen, A.H., A. H. Nielsen, Nielsen, A H, W.-G. Früh   +7 more
core  

Losses and Energy Backflows of the Fundamental Core Mode in Solid Core Micro Structured Optical Fibers

Photonics
This work discusses the behavior of transverse energy fluxes of the fundamental core mode of a holey fibers and a photonic band gap fibers when the polarization state of this mode changes.
Andrey Pryamikov
doaj   +1 more source

Biomimetic Vascular Scaffold with Seamless Electrospun Aligned Nanofiber Conduit and 3D‐Printed Coil Reinforcement

Advanced Healthcare Materials, EarlyView.
We introduce a new fabrication method that overcomes the current limitation of tubular gap electrospinning. We successfully fabricated a seamless hollow tube with fibers aligned along the longitudinal axis in diameters as small as 300 µm, and then reinforced it using 4‐axis 3D printing.
Seyed Aliakbar Hosseini Toopghara, Young‐Ook Hwang, In A Kim, Che‐I Hyun, Hochung Ryu, Won‐Jae Kim, Jeong‐Tae Koh, Hyun‐Pil Lim, Jin‐Ho Kang, Sang‐Won Park   +9 more
wiley   +1 more source

Discrete shedding of secondary vortices along a modified Kaden spiral [PDF]

When an object is accelerated in a fluid, a primary vortex is formed through the roll-up of a shear layer. This primary vortex does not grow indefinitely and will reach a limiting size and strength. Additional vorticity beyond the critical limit will end
Francescangeli, Diego, Mulleners, Karen
core   +1 more source

A Numerical Study of the Effects of Density Contrast on Flow, Turbulence, and Mixing at the Negro/Solimoes Confluence, Brazil

Water Resources Research
Eddy‐resolving numerical simulations are conducted to investigate the effects of density contrast between the confluent flows on hydrodynamics, coherent structures and mixing downstream of the confluence between the Negro and Solimões Rivers, Brazil ...
C. Jiang, M. Koken, G. Constantinescu, C. Gualtieri   +3 more
doaj   +1 more source

Field-Controlled Magnetisation Patterns in Three-Arm Star-Shaped Nanoparticles as Prototypes of Reconfigurable Routing and Vortex State Memory Devices

Applied Sciences
A model of nanoparticles has been designed to partially resemble self-similar ferroelastic star-like domain textures. Numerical computations have been used to find the equilibrium configurations of magnetisation in such systems.
Dominika Kuźma, Piotr Zegan, Yaroslav Parkhomenko, Piotr Zieliński   +3 more
doaj   +1 more source

Temporal Immune and Metabolic Shifts Drive the Anti‐Tumor Efficacy of Resiquimod‐Loaded Nanoparticles in Peritoneal Carcinomatosis

Advanced Healthcare Materials, EarlyView.
Peritoneal carcinomatosis is a hard‐to‐treat spread of abdominal cancers that often returns after therapy. Nanoparticles were developed to retain an immune‐boosting drug in the abdomen. When combined with chemotherapy in mice, this approach eliminated tumors in many cases and prevented recurrence, helping the immune system mount a stronger, longer ...
Vanessa Chan, Po‐Han Chao, XuXin Sun, Jun Han, Sarah MacPherson, Lucas J. Andrew, Noah Y. Brittain, Tien Do, Marcel B. Bally, Julian J. Lum, Shyh‐Dar Li   +10 more
wiley   +1 more source

A Modular Liver–Microbial Microfluidic Platform to Evaluate Therapeutic and Adverse Effects of Microbial Metabolites

Advanced Healthcare Materials, EarlyView.
This study introduces a modular microfluidic platform that connects liver cells with live microbes to mimic key aspects of the gut–liver interaction in steatosis. Using this system, both microbial metabolites and live bacteria significantly reduced fat accumulation in liver cells, but live microbes triggered inflammation and broader metabolic changes ...
Hsih‐Yin Tan, In Young Hwang, Nanthini Jayabalan, Hui Ling Lee, Louis Jun Ye Ong, Chwee Teck Lim, Matthew Wook Chang, Yi‐Chin Toh   +7 more
wiley   +1 more source