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

Gas Chromatography: Types of Detectors-II01:19

Gas Chromatography: Types of Detectors-II

In gas chromatography, different detectors are employed to meet specific analytical needs. These detectors are often categorized based on their detection mechanisms and the types of compounds they are best suited to analyze. Thermal Conductivity Detectors (TCD), Flame Ionization Detectors (FID), and Electron Capture Detectors (ECD) represent common categories, each with unique operating principles and applications. However, beyond these, several other detectors are designed for more specialized...

You might also read

Related Articles

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

Sort by
Same author

Long-term trends and variability in sugarcane production: a five-district comparative analysis with meteorological context in Maharashtra and Karnataka, India.

Scientific reports·2026
Same author

A multi-criteria sustainability and engine performance study of andropogon narudus biodiesel using the PUGH matrix and ML.

Scientific reports·2026
Same author

Performance evaluation of strengthened concrete beams: flexural and shear enhancement using chopped strand and woven roving mats.

Scientific reports·2026
Same author

A machine learning-based classification method for SynRM faults.

Scientific reports·2026
Same author

Fuel cell PV fed hybrid energy sources for 3 phase matrix converter using 3D Space Vector Modulation.

Scientific reports·2026
Same author

Experimental and ML-assisted optimization of injection timing and EGR in a diesel engine fueled with palmyra biodiesel.

RSC advances·2026

Related Experiment Video

Updated: Jun 20, 2026

A Polyaniline-based Sensor of Nucleic Acids
07:58

A Polyaniline-based Sensor of Nucleic Acids

Published on: November 1, 2016

8.0K

Optimizing Ammonia Detection with a Polyaniline-Magnesia Nano Composite.

Sharanabasava V Ganachari1, Fatheali A Shilar2, Veerabhadragouda B Patil3

  • 1Center for Energy and Environment, School of Advanced Sciences, KLE Technological University BVB Campus Vidyanagar, Hubballi 80031, Karnataka, India.

Polymers
|October 26, 2024
PubMed
Summary

Polyaniline-magnesia (PANI/MgO) nanofibers show high sensitivity and selectivity for detecting ammonia gas at room temperature. The material

Keywords:
Fourier transform infrared spectroscopyammonia sensingin-situ oxidative polymerizationnanocompositespolyaniline magnesia

More Related Videos

The Use of a β-lactamase-based Conductimetric Biosensor Assay to Detect Biomolecular Interactions
08:06

The Use of a β-lactamase-based Conductimetric Biosensor Assay to Detect Biomolecular Interactions

Published on: February 1, 2018

9.0K
Manufacturing of a Nafion-coated, Reduced Graphene Oxide/Polyaniline Chemiresistive Sensor to Monitor pH in Real-time During Microbial Fermentation
11:18

Manufacturing of a Nafion-coated, Reduced Graphene Oxide/Polyaniline Chemiresistive Sensor to Monitor pH in Real-time During Microbial Fermentation

Published on: January 7, 2019

8.4K

Related Experiment Videos

Last Updated: Jun 20, 2026

A Polyaniline-based Sensor of Nucleic Acids
07:58

A Polyaniline-based Sensor of Nucleic Acids

Published on: November 1, 2016

8.0K
The Use of a β-lactamase-based Conductimetric Biosensor Assay to Detect Biomolecular Interactions
08:06

The Use of a β-lactamase-based Conductimetric Biosensor Assay to Detect Biomolecular Interactions

Published on: February 1, 2018

9.0K
Manufacturing of a Nafion-coated, Reduced Graphene Oxide/Polyaniline Chemiresistive Sensor to Monitor pH in Real-time During Microbial Fermentation
11:18

Manufacturing of a Nafion-coated, Reduced Graphene Oxide/Polyaniline Chemiresistive Sensor to Monitor pH in Real-time During Microbial Fermentation

Published on: January 7, 2019

8.4K

Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemical Sensing

Background:

  • Developing highly sensitive and selective gas sensors for ammonia (NH3) detection at low concentrations remains a significant challenge.
  • Existing sensor technologies often struggle with sensitivity and selectivity issues, particularly for trace gas analysis.

Purpose of the Study:

  • To synthesize and characterize polyaniline-magnesia (PANI/MgO) composite nanofibers for ammonia gas sensing.
  • To investigate the influence of MgO content on the nanostructure and gas-sensing performance of PANI/MgO composites.
  • To evaluate the sensitivity, selectivity, and operational stability of the developed ammonia gas sensors at room temperature.

Main Methods:

  • In situ oxidative polymerization was employed to synthesize fibrous PANI/MgO nanostructures with uniform MgO integration.
  • Fourier Transform Infrared (FTIR) spectroscopy, X-ray Diffraction (XRD), and Scanning Electron Microscopy (SEM) were used for material characterization.
  • Ammonia gas-sensing probes were fabricated using the PANI/MgO nanofibers and tested at room temperature.

Main Results:

  • The PANI/MgO nanofibers exhibited a fibrous nanostructure with uniform MgO distribution within the polyaniline matrix.
  • FTIR, XRD, and SEM analyses confirmed the successful synthesis and structural integrity of the composite material.
  • The developed sensors demonstrated high selectivity and optimal sensitivity for ammonia detection, even at low concentrations.
  • Sensor performance, including response and selectivity, was found to be significantly influenced by the MgO content, with higher concentrations yielding improved results.

Conclusions:

  • PANI/MgO composite nanofibers are promising materials for developing efficient and selective ammonia gas sensors.
  • The synergistic effects between polyaniline and MgO enhance gas adsorption, leading to improved sensing performance.
  • Optimizing the MgO content is crucial for tailoring the morphology and maximizing the gas-sensing capabilities of PANI/MgO composites.