Interactions Between Active Matters and Endogenous Fields

Jinwei Lin

doi:10.1002/adma.202503091

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Interactions Between Active Matters and Endogenous Fields

2025-09-07

DOI：10.1002/adma.202503091

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Abstract

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Active matter, encompassing both natural and artificial systems, utilizes environmental energy to sustain autonomous motion, exhibiting unique non-equilibrium behaviors. Artificial active matter (AAM), such as nano/micromotors, holds transformative potential in precision medicine by enhancing drug delivery and enabling targeted therapeutic interventions. Under the demand for increasing intelligence in AAM, controlling their non-equilibrium processes within complex in vivo environments presents significant challenges. Endogenous fields—biological fields generated within living systems—play a pivotal role in guiding natural active matter's (NAM) directional migration and collective transformations, offering a strategy for in vivo control of non-equilibrium systems. Research in NAMs-inspired AAMs spans biology, chemistry, materials science, engineering, and physics, yet communication barriers among disciplines often impede progress. This review seeks to bridge these gaps by summarizing the key characteristics of chemical and physical endogenous fields in biological contexts such as tumors, wounds, and inflammation. It explores how natural and artificial active matter sense, transmit, and execute responses to these fields, and discusses how insights from natural systems can inform the design of synthetic counterparts. Potential issues and prospects of this research direction are also discussed. It is hoped that this review fosters interdisciplinary collaborations and propels the development of intelligent active matter for biomedical applications.

Keywords:

active matter

collective behavior

endogenous fields

nanomotors

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