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

Volatilization01:10

Volatilization

437
Volatilization gravimetry is an analytical technique that measures the mass lost due to the volatilization of the substance. This technique is used to estimate the amount of volatile material in a sample. To perform this method, heat a known amount of the sample to a high temperature in a crucible or other suitable vessel. The volatile substance in the sample evaporates, and the vapor is completely expelled from the crucible either by heating the sample or bubbling a stream of inert gas through...
437
Interfacial Electrochemical Methods: Overview01:06

Interfacial Electrochemical Methods: Overview

348
Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current...
348
Ion-Exchange Chromatography01:09

Ion-Exchange Chromatography

656
Ion-exchange chromatography, or IEC, is a technique for separating ions based on their affinity for the stationary phase. The stationary phase is a cross-linked polymer resin with covalently attached ionic functional groups. The functional groups can be either positively charged (cation exchangers) or negatively charged (anion exchangers). A cation exchanger consists of a polymeric anion and active cations, while an anion exchanger is a polymeric cation with active anions. The choice of...
656

You might also read

Related Articles

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

Sort by
Same author

Maternal exposure to fine particulate matter and autism spectrum disorder in children: population based case-control study.

Frontiers in public health·2026
Same author

Tidal air exposure thresholds in seagrass survival: photodamage-antioxidant imbalance and anthocyanin accumulation associated with Enhalus acoroides zonation limits.

Marine pollution bulletin·2026
Same author

NIRS features and multi-model optimization fusion enabled comprehensive method for quantitative and qualitative assessment of lamb meat quality.

Food research international (Ottawa, Ont.)·2026
Same author

Supramolecular Reactivation of Quenched Silicon Naphthalocyanine for NIR-II Fluorescence-Guided Type I/II Photodynamic Monotherapy.

ACS applied materials & interfaces·2026
Same author

Transcription factor, E4BP4, inhibits autophagy and apoptosis in multiple myeloma and promotes the HDAC3-mediated suppression of the Beclin1 promoter to reduce dexamethasone sensitivity.

Journal of translational medicine·2026
Same author

Advances in neuroimaging studies of thalamic abnormalities in children with attention deficit hyperactivity disorder.

Psychoradiology·2026

Related Experiment Video

Updated: Aug 20, 2025

Microfluidic On-chip Capture-cycloaddition Reaction to Reversibly Immobilize Small Molecules or Multi-component Structures for Biosensor Applications
14:43

Microfluidic On-chip Capture-cycloaddition Reaction to Reversibly Immobilize Small Molecules or Multi-component Structures for Biosensor Applications

Published on: September 23, 2013

10.9K

Immobilizing Ionic Liquids onto Functionalized Surfaces for Sensing Volatile Organic Compounds.

Mengjie Zhang1, Na Ma2, Zhongyang Dai3

  • 1School of Materials Science and Engineering, Herbert Gleiter Institute of Nanoscience, Nanjing University of Science and Technology, Nanjing210094, China.

Langmuir : the ACS Journal of Surfaces and Colloids
|November 18, 2022
PubMed
Summary

This study demonstrates a sensitive volatile organic compound (VOC) gas sensor using immobilized ionic liquids (ILs) on functionalized surfaces. The sensor effectively detects acetone and toluene at 150 ppm, offering a low-cost VOC detection method.

More Related Videos

In situ FTIR Spectroscopy as a Tool for Investigation of Gas/Solid Interaction: Water-Enhanced CO2 Adsorption in UiO-66 Metal-Organic Framework
11:38

In situ FTIR Spectroscopy as a Tool for Investigation of Gas/Solid Interaction: Water-Enhanced CO2 Adsorption in UiO-66 Metal-Organic Framework

Published on: February 1, 2020

16.1K
In Situ SIMS and IR Spectroscopy of Well-defined Surfaces Prepared by Soft Landing of Mass-selected Ions
10:22

In Situ SIMS and IR Spectroscopy of Well-defined Surfaces Prepared by Soft Landing of Mass-selected Ions

Published on: June 16, 2014

18.2K

Related Experiment Videos

Last Updated: Aug 20, 2025

Microfluidic On-chip Capture-cycloaddition Reaction to Reversibly Immobilize Small Molecules or Multi-component Structures for Biosensor Applications
14:43

Microfluidic On-chip Capture-cycloaddition Reaction to Reversibly Immobilize Small Molecules or Multi-component Structures for Biosensor Applications

Published on: September 23, 2013

10.9K
In situ FTIR Spectroscopy as a Tool for Investigation of Gas/Solid Interaction: Water-Enhanced CO2 Adsorption in UiO-66 Metal-Organic Framework
11:38

In situ FTIR Spectroscopy as a Tool for Investigation of Gas/Solid Interaction: Water-Enhanced CO2 Adsorption in UiO-66 Metal-Organic Framework

Published on: February 1, 2020

16.1K
In Situ SIMS and IR Spectroscopy of Well-defined Surfaces Prepared by Soft Landing of Mass-selected Ions
10:22

In Situ SIMS and IR Spectroscopy of Well-defined Surfaces Prepared by Soft Landing of Mass-selected Ions

Published on: June 16, 2014

18.2K

Area of Science:

  • Materials Science
  • Chemical Sensing
  • Nanotechnology

Background:

  • Volatile organic compounds (VOCs) pose environmental and health risks, necessitating sensitive detection methods.
  • Ionic liquids (ILs) offer tunable properties for chemical sensing applications.
  • Surface functionalization is crucial for immobilizing ILs and enhancing sensor performance.

Purpose of the Study:

  • To develop a highly sensitive VOC gas sensor using immobilized ionic liquids.
  • To investigate the effect of surface functionalization on IL-based VOC detection.
  • To explore the mechanism behind enhanced ion mobility and sensing response.

Main Methods:

  • Immobilization of 1-butyl-3-methylimidazolium hexafluorophosphate onto N+R, COOH, and NH2 functionalized surfaces.
  • Fabrication of N+-IL, COOH-IL, and NH2-IL based gas sensors.
  • Electrical resistance measurements upon exposure to acetone and toluene at 150 ppm.
  • Atomic force microscopy to assess surface properties and ion mobility.

Main Results:

  • All functionalized IL surfaces showed significant resistance changes to acetone and toluene at 150 ppm.
  • Sensing order varied for acetone (NH2-IL > N+-IL > COOH-IL) and toluene (COOH-IL > NH2-IL > N+-IL).
  • Enhanced ion mobility, indicated by a smaller friction coefficient, correlated with stronger sensing responses.

Conclusions:

  • Surface functionalization enables effective immobilization of ILs for VOC detection.
  • The developed IL-based sensors offer a promising, low-cost approach for detecting VOCs at ppm levels.
  • Tailoring IL-surface interactions is key to optimizing gas sensing capabilities.