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Chemical Logic Gates on Active Colloids
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Journal Article
Chemical Logic Gates on Active Colloids
2024
Overview
Recent studies have shown that active colloidal motors using enzymatic reactions for propulsion hold special promise for applications in fields ranging from biology to material science. It will be desirable to have active colloids with capability of computation so that they can act autonomously to sense their surroundings and alter their own dynamics. It is shown how small chemical networks that make use of enzymatic chemical reactions on the colloid surface can be used to construct motor‐based chemical logic gates. The basic features of coupled enzymatic reactions that are responsible for propulsion and underlie the construction and function of chemical gates are described using continuum theory and molecular simulation. Examples are given that show how colloids with specific chemical logic gates, can perform simple sensing tasks. Due to the diverse functions of different enzyme gates, operating alone or in circuits, the work presented here supports the suggestion that synthetic motors using such gates could be designed to operate in an autonomous way in order to complete complicated tasks. Small chemical networks that make use of enzymatic reactions on the colloid surface—are proposed to construct motor‐based chemical logic gates. The basic features that are responsible for propulsion and underlie the construction and function of gates are described. Examples are given that show how colloids with specific chemical logic gates, can perform simple sensing tasks.
Publisher
John Wiley & Sons, Inc,John Wiley and Sons Inc,Wiley
