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

Photoluminescence: Applications

Photoluminescence: Applications

Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...

Variables Affecting Phosphorescence and Fluorescence

Variables Affecting Phosphorescence and Fluorescence

Fluorescence and phosphorescence are essential phenomena in fields like analytical chemistry, biological imaging, and materials science, where they detect molecular properties and visualize cellular structures. Understanding the variables that influence these luminescent behaviors is crucial for maximizing accuracy and efficiency in their applications. These variables can broadly be grouped into chemical structure, solvent properties, and external conditions, each playing a distinct role in...

You might also read

Related Articles

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

Sort by

Same author

A Cullin1-based SCF E3 ubiquitin ligase targets the InR/PI3K/TOR pathway to regulate neuronal pruning.

PLoS biology·2013

Same author

Recommendations for the management of septic arthritis after ACL reconstruction.

Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA·2013

Same author

Poly(ADP-ribose) polymerase 1 promotes oxidative-stress-induced liver cell death via suppressing farnesoid X receptor α.

Molecular and cellular biology·2013

Same author

[Clinical significance of changes in T wave and ST segment amplitudes on electrocardiogram from supine to standing position among children with unexplained chest tightness or pain in resting stage].

Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics·2013

Same author

Biomimetic synthesis of equisetin and (+)-fusarisetin A.

Chemistry (Weinheim an der Bergstrasse, Germany)·2013

Same author

ERG Protein Expression Is of Limited Prognostic Value in Men with Localized Prostate Cancer.

ISRN urology·2013

Search research articles

Related Experiment Video

Updated: Jun 3, 2026

A Technical Guide for Performing Spectroscopic Measurements on Metal-Organic Frameworks

A Technical Guide for Performing Spectroscopic Measurements on Metal-Organic Frameworks

Published on: April 28, 2023

Diffusion-controlled luminescence quenching in metal-organic frameworks.

Cheng Wang¹, Wenbin Lin

¹Department of Chemistry, CB#3290, University of North Carolina, Chapel Hill, North Carolina 27599, USA.

Journal of the American Chemical Society

|March 10, 2011

Summary

This study quantifies molecular diffusion in metal-organic frameworks (MOFs). Smaller amines diffused into MOF-1 channels, while larger ones were blocked, revealing diffusion dynamics crucial for MOF applications.

More Related Videos

Electric Cell-Substrate Sensing for Real-Time Evaluation of Metal-Organic Framework Toxicological Profiles

Electric Cell-Substrate Sensing for Real-Time Evaluation of Metal-Organic Framework Toxicological Profiles

Published on: May 26, 2023

Related Experiment Videos

Last Updated: Jun 3, 2026

A Technical Guide for Performing Spectroscopic Measurements on Metal-Organic Frameworks

A Technical Guide for Performing Spectroscopic Measurements on Metal-Organic Frameworks

Published on: April 28, 2023

Electric Cell-Substrate Sensing for Real-Time Evaluation of Metal-Organic Framework Toxicological Profiles

Electric Cell-Substrate Sensing for Real-Time Evaluation of Metal-Organic Framework Toxicological Profiles

Published on: May 26, 2023

Area of Science:

Materials Science
Chemical Engineering
Physical Chemistry

Background:

Metal-organic frameworks (MOFs) offer tunable porous structures for various applications.
Understanding guest molecule diffusion within MOF channels is critical for optimizing their performance.
Luminescence quenching is a sensitive method to probe guest-host interactions and dynamics.

Purpose of the Study:

To quantitatively investigate the dynamics of molecular diffusion into solvent-filled MOF channels.
To determine the diffusion coefficients of various amine molecules within a specific MOF (MOF-1).
To establish the relationship between molecular size and diffusion behavior in MOFs.

Main Methods:

Diffusion-controlled luminescence quenching of a phosphorescent MOF (MOF-1) using amine quenchers.
Modeling time-dependent luminescence quenching data to extract diffusion coefficients.
Powder X-ray diffraction to analyze framework structural changes.

Main Results:

Triethylamine, tripropylamine, and tributylamine exhibited Fickian diffusion with distinct diffusivities.
Diisopropylethylamine (DIPEA) was too large to enter the MOF-1 channels.
A bulky molecule, 4-MeOPhNPh(2), entered MOF-1 via intercalation, causing significant framework distortion.

Conclusions:

This work provides the first quantitative study of molecular diffusion dynamics in solvent-filled MOF channels.
The findings highlight the critical role of molecular size and shape in MOF guest diffusion.
Quantitative diffusion data are essential for advancing MOF applications in areas like heterogeneous catalysis.