A concentration gradient in the electrolyte is illustrated. ·If the electrolyte is unstirred, the gradiant causes H-ion diffusion to the surface, where they capture electrons (reduction) to become ...

Diffusion Substances move from a high to a low concentration down a concentration gradient Carbon dioxide, oxygen, water, food substances, wastes, eg urea No Osmosis Water moves from a high to a ...

Secondly, the paper describes novel applications of diffusion equations to model concentration gradients of nutrients and signaling factors in three-dimensional (3D) tissue constructs under a ...

Oxygen and carbon dioxide, dissolved in water, are exchanged by diffusion in the lungs: The dissolved substances will only continue to diffuse while there is a concentration gradient. Blood flow ...

Thus, via this hierarchy of protein concentration profiles, the shape information that is encoded in the gradient gets transformed into a ... formation - self-organization based on reaction-diffusion ...

Thus, via this hierarchy of protein concentration profiles, the shape information that is encoded in the gradient gets transformed ... based on reaction-diffusion mechanisms and the exploitation ...