Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 142, Issue 9, Pages 4083-4087Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.9b11503
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Funding
- ERC-2017-STG Life-Cycle [757910]
- Ministere de l'Education Nationale de l'Enseignement superieur et de la Recherche
- French National Research Agency (ANR) through the Programme d'Investissement d'Avenir [17-EURE-0016]
- European Research Council (ERC) [757910] Funding Source: European Research Council (ERC)
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Nature uses catalysis as an indispensable tool to control assembly and reaction cycles in vital non-equilibrium supramolecular processes. For instance, enzymatic methionine oxidation regulates actin (dis-)assembly, and catalytic guanosine triphosphate hydrolysis is found in tubulin (dis-)assembly. Here we present a completely artificial reaction cycle which is driven by a chemical fuel that is catalytically obtained from a pre-fuel. The reaction cycle controls the dis-assembly and re-assembly of a hydrogel, where the rate of pre-fuel turnover dictates the morphology as well as the mechanical properties. By addition of additional fresh aliquots of fuel and removal of waste, the hydrogels can be re-programmed time after time. Overall, we show how catalytic fuel generation can control reaction/assembly kinetics and materials' properties in life-like non-equilibrium systems.
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