Ayusman Sen
Distinguished Professor
Department of Chemistry
Eberly College of Science, The Pennsylvania State University;Department of Chemical Engineering, College of Engineering, The Pennsylvania State University;Department of Materials Science and Engineering, College of Earth and Mineral Sciences, The Pennsylvania State University
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Living systems are dynamic, multifunctional, and highly responsive, and they live in changing environments. Most engineered materials, in contrast, tend to be static with a single function and are suited for more predictable environments. Access to rationally-designed dynamic materials that are capable of remodeling themselves and transforming their environment will (i) minimize waste (they will change their function and purpose rather than being single-use), (ii) improve performance (they will continuously evolve their structures to optimize performance), and (iii) accomplish tasks collectively and emergently (like a colony of ants) that a single constituent element (like a single ant) cannot perform. By making these dynamic materials to be self-powered, they will also be capable of exploring and responding to their environment (sensor applications) without being tethered to a single power source or location.
We aim to create a new paradigm for molecular-level engineering of functional materials. The work will leverage (a) the precise chemical control associated with molecular-level manipulation of materials to create functional building blocks, with (b) self-propelled mobility resulting from biomimetic catalytic energy harvesting from the local environment, with (c) the rapid and reversible assembly capabilities provided by emergent processes, with (d) the intelligence and communication capabilities that have been demonstrated in groups of interacting microorganisms, with (e) the ability to perform specific tasks in response to signals from each other and the environment. Our approach is entirely synthetic and chemical, which allows us to create dynamic, intelligent materials in a way that is not impeded by the inherent constraints of biological systems.
We aim to create a new paradigm for molecular-level engineering of functional materials. The work will leverage (a) the precise chemical control associated with molecular-level manipulation of materials to create functional building blocks, with (b) self-propelled mobility resulting from biomimetic catalytic energy harvesting from the local environment, with (c) the rapid and reversible assembly capabilities provided by emergent processes, with (d) the intelligence and communication capabilities that have been demonstrated in groups of interacting microorganisms, with (e) the ability to perform specific tasks in response to signals from each other and the environment. Our approach is entirely synthetic and chemical, which allows us to create dynamic, intelligent materials in a way that is not impeded by the inherent constraints of biological systems.
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ANGEWANDTE CHEMIE-INTERNATIONAL EDITIONno. 6 (2024): e202316242-e202316242
ACS APPLIED MATERIALS & INTERFACESno. 7 (2024): 9380-9387
The Royal Society of Chemistry eBookspp.296-325, (2023)
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Physical chemistry chemical physics : PCCPno. 32 (2023): 21149-21153
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CHEMISTRY OF MATERIALSno. 23 (2023): 10099-10105
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