scholarly journals Osmophoresis of a spherical vesicle in a circular cylindrical pore

AIChE Journal ◽  
2005 ◽  
Vol 51 (10) ◽  
pp. 2628-2639 ◽  
Author(s):  
Huan J. Keh ◽  
Yun S. Hsu
Keyword(s):  
Cylindrical Pore ◽  
Spherical Vesicle

Nearly spherical vesicle shapes calculated by use of spherical harmonics : axisymmetric and nonaxisymmetric shapes and their stability

1992 ◽  
Vol 2 (5) ◽  
pp. 1081-1108 ◽  
Author(s):  
V. Heinrich ◽  
M. Brumen ◽  
R. Heinrich ◽  
S. Svetina ◽  
B. Žekš
Keyword(s):  
Spherical Harmonics ◽  
Spherical Vesicle ◽  
Vesicle Shapes

scholarly journals Rational design of nonstoichiometric bioceramic scaffolds via digital light processing: tuning chemical composition and pore geometry evaluation

2021 ◽  
Vol 15 (1) ◽  
Author(s):  
Yifan Li ◽  
Ronghuan Wu ◽  
Li Yu ◽  
Miaoda Shen ◽  
Xiaoquan Ding ◽  
...  
Keyword(s):  
Rational Design ◽  
Bone Repair ◽  
Pore Geometry ◽  
Porous Structures ◽  
Ion Release ◽  
Digital Light Processing ◽  
Cylindrical Pore ◽  
Mechanical Strengths ◽  
Ceramic Stereolithography ◽  
Mg Doped

AbstractBioactive ceramics are promising candidates as 3D porous substrates for bone repair in bone regenerative medicine. However, they are often inefficient in clinical applications due to mismatching mechanical properties and compromised biological performances. Herein, the additional Sr dopant is hypothesized to readily adjust the mechanical and biodegradable properties of the dilute Mg-doped wollastonite bioceramic scaffolds with different pore geometries (cylindrical-, cubic-, gyroid-) by ceramic stereolithography. The results indicate that the compressive strength of Mg/Sr co-doped bioceramic scaffolds could be tuned simultaneously by the Sr dopant and pore geometry. The cylindrical-pore scaffolds exhibit strength decay with increasing Sr content, whereas the gyroid-pore scaffolds show increasing strength and Young’s modulus as the Sr concentration is increased from 0 to 5%. The ion release could also be adjusted by pore geometry in Tris buffer, and the high Sr content may trigger a faster scaffold bio-dissolution. These results demonstrate that the mechanical strengths of the bioceramic scaffolds can be controlled from the point at which their porous structures are designed. Moreover, scaffold bio-dissolution can be tuned by pore geometry and doping foreign ions. It is reasonable to consider the nonstoichiometric bioceramic scaffolds are promising for bone regeneration, especially when dealing with pathological bone defects.

scholarly journals Fluctuation tension and shape transition of vesicles: renormalisation calculations and Monte Carlo simulations

Soft Matter ◽  
2017 ◽  
Vol 13 (36) ◽  
pp. 6100-6117 ◽  
Author(s):  
Guillaume Gueguen ◽  
Nicolas Destainville ◽  
Manoel Manghi
Keyword(s):  
Surface Tension ◽  
Monte Carlo ◽  
Monte Carlo Simulations ◽  
Shape Transition ◽  
Spherical Vesicle

A quasi-spherical vesicle changes its shape to an oblate one at vanishing fluctuation surface tension.

Copolymer-Nanoparticles Mixture in a Cylindrical Pore

NANO ◽  
2017 ◽  
Vol 12 (04) ◽  
pp. 1750045
Author(s):  
Jun-Xing Pan ◽  
Yu-Qi Guo ◽  
Yu-Fang Han ◽  
Min-Na Sun ◽  
Jin-Jun Zhang
Keyword(s):  
Phase Transition ◽  
Electrical Conductivity ◽  
Polymer Nanocomposites ◽  
Diblock Copolymer ◽  
Large Diameter ◽  
Small Diameter ◽  
Confinement Effect ◽  
Cylindrical Pore ◽  
Disorder Phase Transition ◽  
Novel Structures

Computer simulation is carried out for investigating the effect of nanoparticles on diblock copolymer morphology under cylindrical confinement. The phase diagrams of polymer nanocomposites with nanoparticle-block wetting strength and concentration of nanoparticles are obtained in different nanopores. In small diameter nanopore, there is almost no influence of nanoparticles on the diblock copolymer morphology because of the stronger confinement effect; in middle diameter nanopore, the system can self-assemble into various novel structures due to the interaction between confinement effect and nanoparticles effect; in large diameter nanopore, due to the stronger effect of nanoparticles, a disorder-order-disorder phase transition occurs with the wetting strength and concentration of nanoparticles increasing. This result can be useful in designing new nanocomposites with advanced electrical conductivity and/or mechanical strength.

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