Results 11 to 20 of about 4,647 (247)

Circadian rhythmicity by autocatalysis. [PDF]

open access: yesPLoS Computational Biology, 2006
The temperature compensated in vitro oscillation of cyanobacterial KaiC phosphorylation, the first example of a thermodynamically closed system showing circadian rhythmicity, only involves the three Kai proteins (KaiA, KaiB, and KaiC) and ATP.
Arun Mehra   +5 more
doaj   +7 more sources

Asymmetric Autocatalysis: Facts and Fancy [PDF]

open access: yesJournal of Macromolecular Science: Part A - Chemistry, 1989
Apparently no definitive experiments have ever been reported which could be defined as asymmetric autocatalysis. This paper discusses the design of several experiments which might lead to asymmetric autocatalytic reactions.
Wynberg, H
openaire   +3 more sources

Remarks on Autocatalysis and Autopoiesis [PDF]

open access: yesAnnals of the New York Academy of Sciences, 2000
Abstract: The notions of collective autocatalysis and of autopoiesis are clearly related; equally clearly, they are not quite the same. The purpose of this paper is to try to clarify the relationship. Specifically I suggest that autopoiesis can be at least roughly characterized as collective autocatalysis plus spatial individuation.
BARRY McMULLIN, McMullin, Barry
openaire   +4 more sources

Autocatalysis: At the Root of Self-Replication [PDF]

open access: yesArtificial Life, 2011
Autocatalysis is a fundamental concept, used in a wide range of domains. From its most general definition, that is, a process in which a chemical compound is able to catalyze its own formation, several different systems can be described. We detail the different categories of autocatalyses, and compare them on the basis of their mechanistic, kinetic ...
Raphaël Plasson   +3 more
openaire   +4 more sources

Empirical Description of Chiral Autocatalysis [PDF]

open access: yesThe Journal of Physical Chemistry A, 2006
The only known example of chiral autocatalysis is the alkylation of N-heterocyclic aldehydes with iPr(2)Zn (Soai reaction). The mechanism and some details of this reaction are not yet clear. An empirical formula is proposed here for the description of this chiral autocatalytic reaction.
Karoly Micskei   +3 more
openaire   +4 more sources

Autocatalysis During Fullerene Growth [PDF]

open access: yesScience, 1996
Total energy calculations with a local spin density functional have been applied to the Stone-Wales transformation in fullerene (C 60 ). In the formation of the almost exclusively observed I h isomer of C 60 with isolated ...
Eggen, BR   +5 more
core   +6 more sources

Ecological autocatalysis [PDF]

open access: yesEcological monographs, 2018
Ecosystems comprise flows of energy and materials, structured by organisms and their interactions. Important generalizations have emerged in recent decades about conversions by organisms of energy (metabolic theory of ecology) and materials (ecological stoichiometry).
Veldhuis, Michiel P.   +3 more
core   +8 more sources

Asymmetric autocatalysis [PDF]

open access: yes, 1989
Several theories of asymmetric autocatalysis have been developed in the last decades. The major goal of these studies was not to elucidate the exact mechanism of asymmetric autocatalysis but to survey various autocatalytic systems for their capacity to ...
Menge, Wiro Michael Petrus Bernardus   +1 more
openaire   +3 more sources

Autocatalysis as the Natural Philosophy Underlying Complexity and Biological Evolution [PDF]

open access: yesInterdisciplinary Description of Complex Systems, 2011
The importance and different aspects of autocatalysis in evolution was analyzed. The behaviour of autocatalytic reactions mainly the Lotka-Volterra and the Schlögl equations were discussed in terms of phase change, entropy, and their oscillation ...
Güngör Gündüz
doaj   +2 more sources

Structural Contributions to Autocatalysis and Asymmetric Amplification in the Soai Reaction [PDF]

open access: yes, 2020
Diisopropylzinc alkylation of pyrimidine aldehydes – the Soai reaction, with its astonishing attribute of amplifying asymmetric autocatalysis, occupies a unique position in organic chemistry and stands as an eminent challenge for mechanistic elucidation.
Kendall N, Houk   +3 more
core   +6 more sources

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