Non-living Dissipative Systems

Its too late at night to be writing anything meaningful about slime molds, I have read that its is quite common to find it in the woods Looking at this site I think I may have actually seen some. This bears some relevance the the BZ reaction we have been working on…

“The investigation of such self-organizing chemical systems is still going on. All these chemical systems, mainly variants of the BZ-reaction, strongly point in the direction of corresponding biochemical processes in Organisms, for example the aggregation patterns of the Slime Mold. This mold consists of amoebae (unicellular animals) living on the forest floor. When starved (i.e. finding themselves in unfavorable conditions) they aggregate into a multicellular body which can then move in search of a more favorable habitat. The aggregation is triggered by the release of the compound cyclic adenosine monophosphate (cAMP) from some of the amoebae” /a>

Spiral waves in colonies of the mold Dictyostelium discoideum. These patterns are created when the mold forms aggregates in response to some external ‘ stress’, such as a lack of moisture or nutrients.

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