A catalytically active oscillator made from small organic molecules

Matthijs Harmsel, Oliver R. Maguire, Sofiya A. Runikhina, Albert S. Y. Wong, Wilhelm T. S. Huck () and Syuzanna R. Harutyunyan ()
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Matthijs Harmsel: University of Groningen
Oliver R. Maguire: Radboud University
Sofiya A. Runikhina: University of Groningen
Albert S. Y. Wong: University of Twente
Wilhelm T. S. Huck: Radboud University
Syuzanna R. Harutyunyan: University of Groningen

Nature, 2023, vol. 621, issue 7977, 87-93

Abstract: Abstract Oscillatory systems regulate many biological processes, including key cellular functions such as metabolism and cell division, as well as larger-scale processes such as circadian rhythm and heartbeat1–4. Abiotic chemical oscillations, discovered originally in inorganic systems5,6, inspired the development of various synthetic oscillators for application as autonomous time-keeping systems in analytical chemistry, materials chemistry and the biomedical field7–17. Expanding their role beyond that of a pacemaker by having synthetic chemical oscillators periodically drive a secondary function would turn them into significantly more powerful tools. However, this is not trivial because the participation of components of the oscillator in the secondary function might jeopardize its time-keeping ability. We now report a small molecule oscillator that can catalyse an independent chemical reaction in situ without impairing its oscillating properties. In a flow system, the concentration of the catalytically active product of the oscillator shows sustained oscillations and the catalysed reaction is accelerated only during concentration peaks. Augmentation of synthetic oscillators with periodic catalytic action allows the construction of complex systems that, in the future, may benefit applications in automated synthesis, systems and polymerization chemistry and periodic drug delivery.

Date: 2023
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DOI: 10.1038/s41586-023-06310-2

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