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

You might also read

Related Articles

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

Sort by

Same author

Indoor thermoregulatory homeostasis using hydrodynamic instability.

Proceedings of the National Academy of Sciences of the United States of America·2026

Same author

Purcell-enhanced spin-phonon coupling with a single colour centre.

Nature·2026

Same author

Rotational 3D printing of active-passive filaments and lattices with programmable shape morphing.

Proceedings of the National Academy of Sciences of the United States of America·2026

Same author

Self-regulated dual-mode solar energy harvesting.

Proceedings of the National Academy of Sciences of the United States of America·2026

Same author

Integrated electro-optic digital-to-analog link for efficient computing and arbitrary waveform generation.

Nature photonics·2026

Same author

High-efficiency and broadband Kerr comb generation in normal-dispersion x-cut lithium niobate microresonators.

Science advances·2026

Search research articles

Related Experiment Video

Updated: May 20, 2026

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers

Published on: May 5, 2016

Combinatorial wetting in colour: an optofluidic nose.

Kevin P Raymond¹, Ian B Burgess, Mackenzie H Kinney

¹University of Waterloo, Waterloo, ON, Canada.

|July 10, 2012

Summary

A new colorimetric litmus test identifies organic liquids by their unique wetting patterns on specialized films. This portable method offers chemical specificity for easy liquid differentiation.

More Related Videos

The Visual Colorimetric Detection of Multi-nucleotide Polymorphisms on a Pneumatic Droplet Manipulation Platform

The Visual Colorimetric Detection of Multi-nucleotide Polymorphisms on a Pneumatic Droplet Manipulation Platform

Published on: September 27, 2016

Fluorescence detection methods for microfluidic droplet platforms

Fluorescence detection methods for microfluidic droplet platforms

Published on: December 10, 2011

Related Experiment Videos

Last Updated: May 20, 2026

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers

Published on: May 5, 2016

The Visual Colorimetric Detection of Multi-nucleotide Polymorphisms on a Pneumatic Droplet Manipulation Platform

The Visual Colorimetric Detection of Multi-nucleotide Polymorphisms on a Pneumatic Droplet Manipulation Platform

Published on: September 27, 2016

Fluorescence detection methods for microfluidic droplet platforms

Fluorescence detection methods for microfluidic droplet platforms

Published on: December 10, 2011

Area of Science:

Materials Science
Analytical Chemistry

Background:

Differentiating organic liquids is crucial in various scientific fields.
Existing methods often lack portability or simplicity.

Purpose of the Study:

To develop a simple, portable, and chemically specific method for organic liquid differentiation.
To utilize colorimetric wetting patterns for identification.

Main Methods:

Fabrication of inverse opal films with graded wettability using different surface chemistries.
Observation of colorimetric wetting patterns produced by various organic liquids on these films.

Main Results:

Distinct colorimetric wetting patterns were observed for different organic liquids.
The method demonstrated chemical specificity without compromising portability.

Conclusions:

The developed colorimetric litmus test provides an effective and user-friendly approach for organic liquid identification.
This technique combines the advantages of colorimetric analysis and wetting phenomena for practical applications.