Robustness of multidimensional Brownian ratchets as directed transport mechanisms

2011 ◽  
Vol 135 (5) ◽  
pp. 055107
Author(s):  
Ernesto González-Candela ◽  
Víctor Romero-Rochín ◽  
Fernando Del Río
Keyword(s):  
Transport Mechanisms ◽  
Directed Transport ◽  
Brownian Ratchets

Directed transport of coupled Brownian ratchets with time-delayed feedback

2013 ◽  
Vol 22 (8) ◽  
pp. 080502 ◽  
Author(s):  
Tian-Fu Gao ◽  
Zhi-Gang Zheng ◽  
Jin-Can Chen
Keyword(s):  
Delayed Feedback ◽  
Directed Transport ◽  
Brownian Ratchets ◽  
Time Delayed Feedback

Physical Properties of Isolated Perfused Renal Tubular Basement Membranes

1971 ◽  
Vol 29 ◽  
pp. 390-391
Author(s):  
Jared Grantham ◽  
Larry Welling
Keyword(s):  
Basement Membrane ◽  
Basement Membranes ◽  
Transport Mechanisms ◽  
Permeability Characteristics ◽  
Peritubular Capillaries ◽  
Strategic Location ◽  
Tubular Lumen ◽  
Glomerular Filtrate ◽  
Urine Formation ◽  
Renal Tubular

In the course of urine formation in mammalian kidneys over 90% of the glomerular filtrate moves from the tubular lumen into the peritubular capillaries by both active and passive transport mechanisms. In all of the morphologically distinct segments of the renal tubule, e.g. proximal tubule, loop of Henle and distal nephron, the tubular absorbate passes through a basement membrane which rests against the basilar surface of the epithelial cells. The basement membrane is in a strategic location to affect the geometry of the tubules and to influence the movement of tubular absorbate into the renal interstitium. In the present studies we have determined directly some of the mechanical and permeability characteristics of tubular basement membranes.

Alveolobronchiolar transport mechanisms

1973 ◽  
Vol 131 (1) ◽  
pp. 109-114 ◽  
Author(s):  
G. M. Green
Keyword(s):  
Transport Mechanisms

Long-range ballistic transport mechanisms in superconducting spintronics

2016 ◽  
Vol 186 (6) ◽  
pp. 640-646
Author(s):  
Alexei V. Samokhvalov ◽  
Alexander S. Mel'nikov ◽  
Alexander I. Buzdin
Keyword(s):  
Long Range ◽  
Ballistic Transport ◽  
Transport Mechanisms

Correlation of Burning Rates and Energy Transport Mechanisms in Open and Enclosed Liquid Pool Fires

1991 ◽  
Author(s):  
David E. Ramaker ◽  
K. C. Adiga ◽  
H. Zhang ◽  
M. Pivovarov ◽  
S. W. Baek
Keyword(s):  
Energy Transport ◽  
Liquid Pool ◽  
Pool Fires ◽  
Transport Mechanisms ◽  
Burning Rates

Larval Transport in the Coastal Zone: Biological and Physical Processes

2018 ◽  
Keyword(s):  
Simulation Models ◽  
Population Connectivity ◽  
Larval Transport ◽  
Larval Abundance ◽  
Transport Mechanisms ◽  
Larval Behavior ◽  
Physical Processes ◽  
Ecological Processes ◽  
Emergent Technologies ◽  
Advection Diffusion

Larval transport is fundamental to several ecological processes, yet it remains unresolved for the majority of systems. We define larval transport, and describe its components, namely, larval behavior and the physical transport mechanisms accounting for advection, diffusion, and their variability. We then discuss other relevant processes in larval transport, including swimming proficiency, larval duration, accumulation in propagating features, episodic larval transport, and patchiness and spatial variability in larval abundance. We address challenges and recent approaches associated with understanding larval transport, including autonomous sampling, imaging, -omics, and the exponential growth in the use of poorly tested numerical simulation models to examine larval transport and population connectivity. Thus, we discuss the promises and pitfalls of numerical modeling, concluding with recommendations on moving forward, including a need for more process-oriented understanding of the mechanisms of larval transport and the use of emergent technologies.

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