autocatalysis


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autocatalysis

[¦ōd·ō·kə′tal·ə·səs]
(chemistry)
A catalytic reaction started by the products of a reaction that was itself catalytic.
References in periodicals archive ?
To exemplify this, he develops a simple and empirically testable molecular model involving two morphodynamic processes, which are ubiquitously present in all organisms, namely the self-assembly of cellular membranes and the autocatalysis of organic compounds so essential to life and its ability to reproduce itself.
Teleodynamics and the Symbiosis of Autocatalysis and Self-Assembly
D) Schematic illustration of an autocatalysis motif in which R is autocatalyzed to R*.
Autocatalysis PDLA Faster degradation in 35, 36 center compare to surface PDLA + Accelerate degradation 37 Caffeine 75/25 PLGA + Decrease in degradation 43 Ganciclovir rate due to basic drug Presence PLGA + Type of drug doesn't 44 of drug Lidocaine significantly affect PLGA + polymer degradation Ibuprofene kinetics.
Autocatalysis in human evolution refers to the interplay between bipedalism, brain elaboration, manual dexterity, dietary niche, language and material culture - each of these reinforcing the others through positive natural selection.
Wilson discusses autocatalysis extensively in his book Sociobiology (Belknap Press of Harvard University Press.
Deacon suggests that the interdependent combination of two morphodynamic processes, namely that of autocatalysis and the crystal like "self-assembly" such as produces viral shells or cell membranes, can produce a simple form of molecular teleodynamics.
Of course, metabolism in a biotic system proceeds on a qualitatively higher level, including such specific processes like cyclic chemical processes, autocatalysis, and feedback loops.
where n is a constant, K the kinetic constant (which depends on temperature) and B the so-called intensity of autocatalysis [51].
Autocatalysis can be included by introducing a term in [[alpha].
In this system the product that possibly acts as the catalyst for the autocatalysis is the carboxyl group of the generated hemi-ester.
In general, the accelerating effect was attributed to the so-called autocatalysis of hydroxyl groups or impurities existing in the systems.