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

840
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...
840
Gas Chromatography: Types of Detectors-I01:21

Gas Chromatography: Types of Detectors-I

1.1K
There are different types of detectors used in gas chromatography, each with its own specific properties that make it suitable for detecting certain types of analytes. The most commonly used detectors in GC are thermal conductivity detector (TCD), flame ionization detector (FID), and electron capture detector (ECD).
TCD is the earliest and most widely used detector that operates by measuring the changes in the thermal conductivity of the carrier gas. When a sample compound enters the detector,...
1.1K
Gas Chromatography: Overview of Detectors01:13

Gas Chromatography: Overview of Detectors

1.4K
Detectors in gas chromatography (GC) help identify and quantify the components of a mixture by translating chemical properties into measurable signals, which are displayed on a chromatogram. Detectors can be categorized into two main types: destructive and non-destructive.
A non-destructive detector allows a sample to be analyzed without altering or consuming it, meaning the sample can be collected after detection for further analysis. Examples include thermal conductivity detectors and...
1.4K
High-Performance Liquid Chromatography: Types of Detectors01:15

High-Performance Liquid Chromatography: Types of Detectors

1.2K
The role of the detectors in High-Performance Liquid Chromatography (HPLC) is to analyze the solutes as they exit from the chromatographic column. The detector recognizes the solute's property and generates corresponding electrical signals, which are converted into a readable graph of the detector's response versus elution time called a chromatogram at the computer. There are several types of HPLC detectors, each with its own advantages and limitations, depending on the analyte...
1.2K

You might also read

Related Articles

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

Sort by
Same author

Type 2 diabetes genetics in 125,000 admixed adults from Mexico City.

medRxiv : the preprint server for health sciences·2026
Same author

Kidney Function and Mortality in Mexico: Prospective Study of 130,000 Adults.

Kidney medicine·2026
Same author

Development and implementation of a computerised clinical decision support system for hospital-in-the-home patient identification.

Internal medicine journal·2026
Same author

ASO Visual Abstract: Comparison of Indocyanine Green Versus Isosulfan Blue in Melanoma Sentinel Node Biopsy.

Annals of surgical oncology·2026
Same author

Comparison of Indocyanine Green Versus Isosulfan Blue in Melanoma Sentinel Node Biopsy.

Annals of surgical oncology·2026
Same author

Proteinoid Computing on Olivine Substrates.

Langmuir : the ACS journal of surfaces and colloids·2026

Related Experiment Video

Updated: Nov 23, 2025

Sensing of Barrier Tissue Disruption with an Organic Electrochemical Transistor
11:17

Sensing of Barrier Tissue Disruption with an Organic Electrochemical Transistor

Published on: February 10, 2014

12.0K

Amine Detection Using Organic Field Effect Transistor Gas Sensors.

Panagiotis Mougkogiannis1, Michael Turner2, Krishna Persaud1

  • 1Department of Chemical Engineering and Analytical Science, The University of Manchester, Manchester M13 9PL, UK.

Sensors (Basel, Switzerland)
|December 30, 2020
PubMed
Summary

This study presents a low-power organic field-effect transistor gas sensor with high sensitivity to amines and ammonia. The sensor achieved a limit of detection as low as 0.025 ppb for dibutylamine.

Keywords:
DPP-T-TTalkylaminesammoniaempirical modelgas sensororganic field effect transistor

More Related Videos

Quantitative Detection of Trace Explosive Vapors by Programmed Temperature Desorption Gas Chromatography-Electron Capture Detector
07:57

Quantitative Detection of Trace Explosive Vapors by Programmed Temperature Desorption Gas Chromatography-Electron Capture Detector

Published on: July 25, 2014

20.3K
Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection
07:51

Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection

Published on: February 1, 2022

3.6K

Related Experiment Videos

Last Updated: Nov 23, 2025

Sensing of Barrier Tissue Disruption with an Organic Electrochemical Transistor
11:17

Sensing of Barrier Tissue Disruption with an Organic Electrochemical Transistor

Published on: February 10, 2014

12.0K
Quantitative Detection of Trace Explosive Vapors by Programmed Temperature Desorption Gas Chromatography-Electron Capture Detector
07:57

Quantitative Detection of Trace Explosive Vapors by Programmed Temperature Desorption Gas Chromatography-Electron Capture Detector

Published on: July 25, 2014

20.3K
Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection
07:51

Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection

Published on: February 1, 2022

3.6K

Area of Science:

  • Materials Science
  • Chemical Engineering
  • Electronics

Background:

  • Low-power, high-sensitivity, and selective gas sensors are crucial for various applications.
  • Organic field-effect transistors (OFETs) offer a promising low-cost, low-power solution for gas sensing.

Purpose of the Study:

  • To investigate the response characteristics of OFETs based on a specific organic semiconductor (DPP-T-TT) to various analytes.
  • To determine the sensitivity and selectivity of these OFET gas sensors.

Main Methods:

  • Fabrication of bottom-gate, bottom-contact OFETs using the DPP-T-TT organic semiconductor.
  • Systematic testing of sensor response to alkylamines and ammonia.
  • Development of a predictive model based on the Antoine equation.

Main Results:

  • The OFET sensor demonstrated high sensitivity to dibutylamine (0.025 ppb LOD), n-butylamine (0.056 ppb LOD), and ammonia (2.17 ppb LOD).
  • The developed model accurately predicted sensor sensitivity and selectivity using the Antoine C parameter and analyte heat of vaporization.

Conclusions:

  • OFETs utilizing DPP-T-TT are effective low-power gas sensors with excellent sensitivity and selectivity for amines and ammonia.
  • The Antoine equation-based model provides a valuable tool for predicting gas sensor performance.