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Chirality in Nature

Chirality in Nature

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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Related Experiment Video

Updated: Feb 26, 2026

Assembly of Gold Nanorods into Chiral Plasmonic Metamolecules Using DNA Origami Templates

Assembly of Gold Nanorods into Chiral Plasmonic Metamolecules Using DNA Origami Templates

Published on: March 5, 2019

Chiral Plasmonic Nanostructures: Advances in Synthesis and Bio-Detection Applications.

Miao Sun¹, Ning-Ning Zhang², Jiancheng Xu¹

¹Department of Laboratory Medicine, Center of Infectious Diseases and Pathogen Biology, First Hospital of Jilin University, Changchun 130021, China.

|February 25, 2026

Summary

Chiral plasmonic nanostructures amplify weak biomolecular signals for early disease detection. This technology offers a path toward sensitive, low-cost clinical diagnostics for conditions like cancer and neurodegenerative disorders.

Keywords:

biomarkers chiral biomolecules chirality detection plasmonic nanostructures

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Last Updated: Feb 26, 2026

Assembly of Gold Nanorods into Chiral Plasmonic Metamolecules Using DNA Origami Templates

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Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

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Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Published on: September 27, 2011

Area of Science:

Biochemistry and Nanotechnology
Plasmonics and Chiroptics

Background:

Chirality is fundamental to biological molecules and their interactions.
Altered chiral structures are early indicators of diseases like cancer and neurodegenerative disorders.
Detecting these subtle chiral changes is challenging due to weak signals and low abundance.

Purpose of the Study:

To review advancements in chiral plasmonic nanostructures for biomolecule detection.
To explore applications in sensitive and specific disease diagnostics.

Main Methods:

Design and fabrication of chiral plasmonic nanostructures.
Utilizing plasmonic enhancement to amplify weak chiral signals.
Shifting signals to visible and near-infrared regions for reduced biological interference.

Main Results:

Plasmonic nanostructures significantly amplify chiral signals from biomolecules.
Enhanced signals allow detection in regions with less biological interference.
Demonstrated sensitive detection of various biomolecules.

Conclusions:

Chiral plasmonic nanostructures show great promise for sensitive biomolecule detection.
Further development is needed to translate this technology into clinical diagnostic tools.
Future opportunities lie in creating low-cost, accessible diagnostic platforms.