‘TRANSPORT TO WHERE?’

Active water transport in unicellular algae: where, why, and how.

The occurrence of active water transport (net transport against a free energy gradient) in photosynthetic organisms has been debated for several decades. Here, active water transport is considered in terms of its roles, where it is found, and the mechanisms by which it could occur. First there is a brief consideration of the possibility of active water transport into plant xylem in the generati...

Sodium transport and hypertension. Where are we going?

T HE idea that high salt intake plays a key role in the development of "essential'' (or "primary") hypertension was first suggested 80 years ago. Since then, numerous epidemiological and experimental 4 observations and therapeutic maneuvers (i.e., low sodium diets and treatment with natriuretic agents) have provided ample support for the view that Na plays a role in the etiology of hypertension...

A Systematic Method to Analyze Transport Networks: Considering Traffic Shifts

Current network modeling practices usually assess the network performance at specified time interval, i.e. every 5 or 10 years time horizon. Furthermore, they are usually based on partially predictable data, which are being generated through various stochastic procedures. In this research, a new quantitative based methodology which combines combinatorial optimization modeling and transportation...

Ecolab: Where to Now?

By adding the concept of random embryology with locality to Lotka-Volterra population equations, a description of biological evolution is created. This model is called Ecolab. Computer simulations of these systems display self organised criticality, with power law behaviour for species lifetimes that stand in stark contrast to gradualism. This paper explores areas of future research with this m...

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