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Related Concept Videos

Chirality02:25

Chirality

26.2K
Chirality is a term that describes the lack of mirror symmetry in an object. In other words, chiral objects cannot be superposed on their mirror images. For example, our feet are chiral, as the mirror image of the left foot, the right foot, cannot be superposed on the left foot.
Chiral objects exhibit a sense of handedness when they interact with another chiral object. For example, our left foot can only fit in the left shoe and not in the right shoe. Achiral objects — objects that have...
26.2K
Chirality in Nature02:30

Chirality in Nature

14.2K
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.
14.2K
Prochirality02:05

Prochirality

4.1K
The concept of prochirality leads to the nomenclature of the individual faces of a molecule and plays a crucial role in the enantioselective reaction. It is a concept where two or more achiral molecules react to produce chiral products. A typical process is the reaction of an achiral ketone to generate a chiral alcohol. Here, the achiral reactant reacts with an achiral reducing agent, sodium borohydride, to generate an equimolar mixture of the chiral enantiomers of the product. For example, an...
4.1K
Chirality at Nitrogen, Phosphorus, and Sulfur02:30

Chirality at Nitrogen, Phosphorus, and Sulfur

6.1K
Chirality is most prevalent in carbon-based tetrahedral compounds, but this important facet of molecular symmetry extends to sp3-hybridized nitrogen, phosphorus and sulfur centers, including trivalent molecules with lone pairs. Here, the lone pair behaves as a functional group in addition to the other three substituents to form an analogous tetrahedral center that can be chiral.
A consequence of chirality is the need for enantiomeric resolution. While this is theoretically possible for all...
6.1K
Molecules with Multiple Chiral Centers02:25

Molecules with Multiple Chiral Centers

12.9K
Molecules that possess multiple chiral centers can afford a large number of stereoisomers. For instance, while some molecules like 2-butanol have one chiral center, defined as a tetrahedral carbon atom with four different substituents attached, several molecules like butane-2,3-diol have multiple chiral centers. A simple formula to predict the number of stereoisomers possible for a molecule with n chiral centers is 2n. However, there can be a lower number where some of the stereoisomers are...
12.9K
Radical Halogenation: Stereochemistry01:33

Radical Halogenation: Stereochemistry

3.9K
Stereochemistry is the study of the different spatial arrangements of atoms in a given molecule. The stereochemistry of radical halogenations can be understood from three different situations:
Halogenation to form a new chiral center:
3.9K

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Related Experiment Video

Updated: Sep 29, 2025

Coulomb Explosion Imaging as a Tool to Distinguish Between Stereoisomers
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Coulomb Explosion Imaging as a Tool to Distinguish Between Stereoisomers

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A Chirality-Based Quantum Leap.

Clarice D Aiello1,2, John M Abendroth3, Muneer Abbas4

  • 1California NanoSystems Institute, University of California, Los Angeles, Los Angeles, California 90095, United States.

ACS Nano
|March 23, 2022
PubMed
Summary
This summary is machine-generated.

Chiral quantum effects, including the chiral-induced spin selectivity (CISS) effect and amplified light-matter interactions, offer new pathways for room-temperature quantum technologies. These phenomena enable precise control over spin and light for advanced quantum devices.

Keywords:
chiral imprintingchiralityelectron transportphotoexcitationprobe microscopyquantum biologyquantum informationquantum materialsspintronics

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Area of Science:

  • Quantum physics and materials science
  • Nanotechnology and photonics
  • Quantum information science

Background:

  • Growing interest in chiral phenomena in matter and electromagnetic fields.
  • Two key areas: chiral-induced spin selectivity (CISS) effect and nanophotonic strategies for chiral light-matter interactions.
  • CISS effect demonstrates spin-selective charge transport in chiral nanostructures.

Purpose of the Study:

  • To review the experimental and theoretical fundamentals of chiral-influenced quantum effects.
  • To explore the potential of these effects in enabling room-temperature quantum technologies.
  • To present a vision for future applications in quantum information science.

Main Methods:

  • Survey of recent observations of the CISS effect in chiral molecules and nanomaterials.
  • Review of nanophotonic strategies for amplifying chiral light-matter interactions.
  • Theoretical and experimental investigation from a quantum information perspective.

Main Results:

  • The CISS effect leads to large room-temperature spin polarizations in charge transport.
  • Nanophotonic approaches amplify chiral light-matter interactions for manipulating light properties.
  • Chiral quantum properties can benefit technologies requiring optimal charge transport and optical control.

Conclusions:

  • Chiral quantum effects offer significant opportunities for spin control and the development of room-temperature quantum devices.
  • Amplified chiral light-matter interactions provide novel methods for manipulating light at the nanoscale.
  • Engineering chiral couplings holds uncharted implications for quantum information storage, transduction, and manipulation.