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Programming self-powered motion via "host-guest" recognition.

Reek Mahapatra1, Anvi Sangwan1, Devender Singh1

  • 1Energy and Environment Unit, Institute of Nano Science and Technology, Knowledge City, Sector 81, SAS Nagar, Mohali, Punjab, 140306, India. patra@inst.ac.in.

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Summary
This summary is machine-generated.

Supramolecular host-guest chemistry enables synthetic systems to mimic autonomous motion seen in nature. This approach translates reversible binding into mechanical work for applications from nano- to macro-scale devices.

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Area of Science:

  • Supramolecular Chemistry
  • Chemical Engineering
  • Materials Science

Background:

  • Autonomous motion is fundamental to life, driven by chemical energy conversion.
  • Supramolecular chemistry offers a pathway to engineer synthetic autonomous systems.
  • Host-guest interactions provide a mechanism for controlled molecular assembly and motion.

Purpose of the Study:

  • To review the translation of host-guest chemistry into autonomous motion.
  • To highlight applications across various length scales.
  • To identify challenges and future directions in synthetic autonomous systems.

Main Methods:

  • Review of host-guest assemblies and their role in generating motion.
  • Discussion of energy transduction from chemical fuels to mechanical work.
  • Analysis of supramolecular strategies for self-sustaining architectures.

Main Results:

  • Host-guest assemblies enable motion in micropumps, nanomotors, and self-propelling materials.
  • Reversible binding is key to translating chemical energy into mechanical work.
  • Applications span fluid transport, cargo delivery, and active materials.

Conclusions:

  • Host-guest chemistry is a versatile platform for creating synthetic autonomous motion.
  • Key challenges include fuel development, control, and functional integration.
  • Future work will focus on collective behaviors bridging active matter and soft robotics.