Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Formula Mass and Mole Concepts of Compounds02:56

Formula Mass and Mole Concepts of Compounds

81.9K
Formula Mass of Covalent Compounds
81.9K
Self-Concept01:19

Self-Concept

1.7K
Self-concept is the cognitive and emotional understanding individuals hold about their identity. It evolves through various developmental stages, beginning in infancy and maturing as children grow. This concept influences how individuals perceive their abilities, interact with others, and manage challenges throughout life.
Infancy and Emerging Recognition
During infancy, self-concept is virtually nonexistent. Babies do not distinguish themselves as separate entities and often mistake their...
1.7K
Reliability and Validity01:29

Reliability and Validity

14.1K
Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
14.1K
Concepts and Prototypes01:24

Concepts and Prototypes

554
The human nervous system handles vast amounts of information by translating sensory stimuli into neural impulses, which the brain processes, creating thoughts expressed through language or stored as memories. The brain also synthesizes information from emotions and memories, which significantly influence thoughts and behaviors. This intricate process creates a comprehensive mental picture.
The brain organizes this information using concepts, which are mental categories grouping linguistic data,...
554
Concept of Pressure at a Point01:15

Concept of Pressure at a Point

791
The concept of pressure at a point in a fluid establishes that pressure within a fluid is uniform in all directions at a specific location. This uniformity occurs because fluid molecules exert force evenly across any point due to their random motion and continuous collisions within the fluid. Pressure at a point is determined by the surrounding fluid molecules and is influenced by factors like depth and density, rather than by shape or orientation.
In a fluid at rest, pressure acts equally in...
791
Understanding Self-Concept01:20

Understanding Self-Concept

305
The self-concept encompasses individuals' beliefs about themselves, structured through cognitive frameworks known as self-schemas. These schemas function as mental representations of specific traits or behaviors, influencing how self-relevant information is perceived, processed, and remembered. For example, individuals who are schematic for body weight are more likely to interpret routine experiences—such as dining out or shopping—through the lens of that trait. Conversely, those...
305

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Toy Models Reveal Intrinsic Biases in NICS: Insights to Verify NICS Interpretations.

Journal of computational chemistry·2026
Same author

General Reaction Conditions <i>via</i> Data-driven Optimisation.

Chimia·2026
Same author

Hazard Assessment of Antioxidants as Contaminants of Concern.

Environmental science & technology letters·2026
Same author

Can heteroatom and heteroarene annelations make pentalenes suitable as singlet fission chromophores?

Physical chemistry chemical physics : PCCP·2026
Same author

Boosting Computational Catalysis and Chemical Reactivity with Artificial Intelligence.

Journal of the American Chemical Society·2026
Same author

The role of the parameter landscape in Hartree-Fock quantum computing benchmarks.

The Journal of chemical physics·2026

Related Experiment Video

Updated: Feb 11, 2026

Integrating a Triplet-triplet Annihilation Up-conversion System to Enhance Dye-sensitized Solar Cell Response to Sub-bandgap Light
11:26

Integrating a Triplet-triplet Annihilation Up-conversion System to Enhance Dye-sensitized Solar Cell Response to Sub-bandgap Light

Published on: September 12, 2014

13.1K

Triplet state homoaromaticity: concept, computational validation and experimental relevance.

Kjell Jorner1, Burkhard O Jahn1,2, Patrick Bultinck3

  • 1Department of Chemistry - Ångström Laboratory , Uppsala University , Box 523 , 751 20 Uppsala , Sweden .

Chemical Science
|May 8, 2018
PubMed
Summary

This study introduces homoaromaticity for triplet excited states (T1), applying Baird's 4n rule. Findings reveal homoaromaticity in several compounds, with implications for photochemistry and molecular design.

More Related Videos

Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design
07:40

Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design

Published on: May 31, 2021

4.2K
Integration of Bioinformatics Approaches and Experimental Validations to Understand the Role of Notch Signaling in Ovarian Cancer
09:08

Integration of Bioinformatics Approaches and Experimental Validations to Understand the Role of Notch Signaling in Ovarian Cancer

Published on: January 12, 2020

7.2K

Related Experiment Videos

Last Updated: Feb 11, 2026

Integrating a Triplet-triplet Annihilation Up-conversion System to Enhance Dye-sensitized Solar Cell Response to Sub-bandgap Light
11:26

Integrating a Triplet-triplet Annihilation Up-conversion System to Enhance Dye-sensitized Solar Cell Response to Sub-bandgap Light

Published on: September 12, 2014

13.1K
Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design
07:40

Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design

Published on: May 31, 2021

4.2K
Integration of Bioinformatics Approaches and Experimental Validations to Understand the Role of Notch Signaling in Ovarian Cancer
09:08

Integration of Bioinformatics Approaches and Experimental Validations to Understand the Role of Notch Signaling in Ovarian Cancer

Published on: January 12, 2020

7.2K

Area of Science:

  • Photochemistry
  • Quantum Chemistry
  • Organic Chemistry

Background:

  • Homoaromaticity describes cyclic conjugation through-space, imparting aromatic properties.
  • Baird's 4n rule governs aromaticity in excited states.

Purpose of the Study:

  • To formulate and validate the concept of homoaromaticity for the triplet excited state (T1).
  • To explore the implications of T1 homoaromaticity in photochemistry.

Main Methods:

  • Extensive quantum-chemical calculations were performed on neutral, cationic, and anionic species.
  • Comparison with known ground-state homoaromatic molecules.

Main Results:

  • Five compounds exhibited strong T1 homoaromaticity, four showed weak T1 homoaromaticity, and two were non-aromatic.
  • Two compounds, previously identified as excited state intermediates, were found to be homoaromatic in the first singlet excited state.
  • Computational design of a photomechanical lever demonstrating T1 homoaromaticity principles.

Conclusions:

  • The concept of homoaromaticity is extended to the triplet excited state (T1), supported by quantum-chemical calculations.
  • Homoaromaticity in excited states has significant implications for photochemistry, including the design of molecular devices.
  • The study validates Baird's 4n rule for T1 homoaromaticity and highlights its role in photochemical reactivity.