Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Protein Dynamics in Living Cells

Protein Dynamics in Living Cells

Different fluorescence-based techniques are used to study the protein dynamics in living cells. These techniques include FRAP, FRET, and PET.
Fluorescent recovery after photobleaching (FRAP) is a fluorescent-protein-based detection technique used to quantify protein movement rates within the cell. This method exposes a small portion of the cell to an intense laser beam. The laser beam causes permanent photobleaching of the fluorophore-tagged proteins in the exposed region. As the bleached...

Double Resonance Techniques: Overview

Double Resonance Techniques: Overview

Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...

You might also read

Related Articles

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

Sort by

Same author

State-correlated reaction dynamics unveiled in full from a single product-image measurement.

Nature communications·2025

Same author

Odyssey in the Wonderland of Chemical Dynamics.

Annual review of physical chemistry·2025

Same author

Unraveling the Photodissociation Branching and Pathways of Methane at 118 nm by Imaging the CH<sub>3</sub>, CH<sub>2</sub>, and CH Fragments.

The journal of physical chemistry. A·2024

Same author

State-to-State Dynamics in Mode-Selective Polyatomic Reactions.

The journal of physical chemistry letters·2023

Same author

State-to-State Dynamics in Mode-Specific Reactions of Cl + CH<sub>3</sub>D(<i>v</i><sub>1</sub>-I, <i>v</i><sub>1</sub>-II, and <i>v</i><sub>4</sub> = 1; |10⟩): Loss of Memory or Not.

The journal of physical chemistry letters·2023

Same author

Stretching-mode specificity in the Cl + CH<sub>3</sub>D(<i>v</i><sub>1</sub>-I, <i>v</i><sub>1</sub>-II, and <i>v</i><sub>4</sub> = 1; |<i>jK</i>〉) reactions: dependency on the initial |<i>jK</i>〉 selectivity.

Physical chemistry chemical physics : PCCP·2022

Search research articles

Related Experiment Video

Updated: Jul 18, 2026

Quantifying Cytoskeleton Dynamics Using Differential Dynamic Microscopy

Quantifying Cytoskeleton Dynamics Using Differential Dynamic Microscopy

Published on: June 15, 2022

Disentangling mode-specific reaction dynamics from overlapped images.

Shannon Shiuan Yan¹, Yen-Tien Wu, Kopin Liu

¹Institute of Atomic and Molecular Sciences, Academia Sinica, PO Box 23-166, Taipei, 10617, Taiwan.

Physical Chemistry Chemical Physics : PCCP

|December 23, 2006

Summary

Investigating the reaction of chlorine with vibrationally excited deuterated methane (CHD3) revealed distinct dynamics. A new method separated data from excited and ground-state molecules, showing different results than prior studies.

More Related Videos

Coulomb Explosion Imaging as a Tool to Distinguish Between Stereoisomers

Coulomb Explosion Imaging as a Tool to Distinguish Between Stereoisomers

Published on: August 18, 2017

Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography

Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography

Published on: February 21, 2017

Related Experiment Videos

Last Updated: Jul 18, 2026

Quantifying Cytoskeleton Dynamics Using Differential Dynamic Microscopy

Quantifying Cytoskeleton Dynamics Using Differential Dynamic Microscopy

Published on: June 15, 2022

Coulomb Explosion Imaging as a Tool to Distinguish Between Stereoisomers

Coulomb Explosion Imaging as a Tool to Distinguish Between Stereoisomers

Published on: August 18, 2017

Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography

Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography

Published on: February 21, 2017

Area of Science:

Chemical kinetics
Molecular dynamics
Spectroscopy

Background:

Understanding chemical reaction dynamics is crucial for fields like atmospheric chemistry and combustion.
State-selected studies allow detailed investigation of reaction pathways.
Previous studies on chlorine-deuterated methane reactions lacked detailed state-selection.

Purpose of the Study:

To investigate the hydrogen abstraction reaction between atomic chlorine and vibrationally excited deuterated methane (CHD3).
To disentangle the reaction dynamics of excited and ground-state CHD3 reagents.
To compare state-selected results with previous experimental findings.

Main Methods:

Utilizing crossed-beam conditions for the reaction.
Employing infrared (IR) laser excitation to prepare CHD3 in a specific vibrational state (nu(1) = 1).
Applying a time-sliced velocity imaging technique to capture product recoil velocity distributions.
Developing a novel threshold method to determine the fraction of excited reagents and resolve overlapping data.

Main Results:

Observed overlapped features in the product recoil velocity distribution due to a mix of excited and ground-state reagents.
Successfully developed and applied a threshold method to isolate the dynamics of IR-excited CHD3.
The state-selected dynamics revealed significant differences compared to previous experimental reports.

Conclusions:

The study successfully disentangled the reaction dynamics of vibrationally excited CHD3 from ground-state molecules.
The novel threshold method provides a powerful tool for analyzing state-selected reaction dynamics in complex systems.
The findings challenge previous understandings of the chlorine-deuterated methane reaction mechanism.