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Chirality is the most intriguing yet essential facet of nature, governing life’s biochemical processes and precision. It can be observed from a snail shell pattern in a macroscopic world to an amino acid, the minutest building block of life. Most of the snails around the world have right-coiled shells because of the intrinsic chirality in their genes. All the amino acids present in the human body exist in an enantiomerically pure state, except for glycine - the sole achiral amino acid.
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Bioinspired Toolkit Based on Intermolecular Encoder toward Evolutionary 4D Chiral Plasmonic Materials.

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Area of Science:

  • Nanophotonics
  • Plasmonics
  • Metamaterials
  • Chirality

Background:

  • Nanophotonics offers advanced control over light-matter interactions, particularly strong chiral effects.
  • Naturally occurring chiral materials have limited chiroptic effects due to low absorption.
  • Existing nanophotonic chiral materials offer expanded chiroptic effects but lack precise, dynamic control.

Purpose of the Study:

  • To develop biomolecule-based synthesis for 3D chiral plasmonic materials.
  • To mimic biological principles for programmable and scalable chiral nanostructures.
  • To explore the concept of 4D plasmonics, incorporating time-dependent evolution.

Main Methods:

  • Biomolecule-based synthesis of 3D chiral plasmonic materials.
  • Harnessing biological selectivity and evolutionary capabilities.
  • Developing platform technology mimicking biological principles for chiral structure control.

Main Results:

  • Demonstrated biomolecule-based synthesis of 3D chiral plasmonic materials.
  • Established a vision for programming chirality at the molecular level and hierarchical transfer.
  • Summarized achievements in 4D plasmonics and biomimetic approaches.

Conclusions:

  • Biomimetic and bioinspired approaches offer new synthetic insights for chiral nanomaterials.
  • Molecular encoding can achieve dynamic light-matter interactions across dimensions and time scales.
  • This research extends the design space for nanophotonic applications and chiral sensing.