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

362
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...
362
Gas Chromatography: Types of Detectors-I01:21

Gas Chromatography: Types of Detectors-I

405
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,...
405
Gas Chromatography: Overview of Detectors01:13

Gas Chromatography: Overview of Detectors

503
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...
503

You might also read

Related Articles

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

Sort by
Same author

Novel Working Mode of Promoting Water Diffusion Gradient via Electric Field: Endowing Moist-Electric Generator with High Humidity-Sensing Performance.

Analytical chemistry·2026
Same author

Multigas Selective Identification Based on a Single Chemiresistive Gas Sensor via Dynamic Light-Pulse Modulation and Machine Learning.

ACS sensors·2026
Same author

High-quality dual-band perfect absorber based on the coexistence of quasi-bound states in continuum and anapole modes.

Nanotechnology·2026
Same author

Saturated Salt Hydrogel Engineering for Tunable ZnO Ultraviolet Sensor Performance and Mitigated Humidity Interference.

ACS applied materials & interfaces·2026
Same author

Dual-Gate Carbon-Based FET Trace Gas Sensors: Enhancing Sensitivity through Work Function Modulation.

Analytical chemistry·2025
Same author

Wafer-Scale Carbon-Based Field Effect Transistor Type Gas Sensor Array for Gaseous Mixture Identification.

ACS sensors·2025

Related Experiment Video

Updated: Jun 24, 2025

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

3.2K

A Strategy for Multigas Identification Using Multielectrical Parameters Extracted from a Single Carbon-Based

Lin Shi1, Pinghua Tang1, Jinyong Hu1

  • 1School of Physics and Optoelectronics, Xiangtan University, Xiangtan 411105, PR China.

ACS Sensors
|June 6, 2024
PubMed
Summary

This study introduces a novel carbon nanotube field-effect transistor (FET) gas sensor capable of identifying six different gases. By analyzing multiple electrical parameters, this single sensor overcomes the limitations of traditional single-gas detection methods.

Keywords:
Carbon-based electronic devicesField-effect transistorGas sensorMultielectrical parametersPrincipal component analysis

More Related Videos

In Vitro Multiparametric Cellular Analysis by Micro Organic Charge-modulated Field-effect Transistor Arrays
10:05

In Vitro Multiparametric Cellular Analysis by Micro Organic Charge-modulated Field-effect Transistor Arrays

Published on: September 20, 2021

2.4K
Fabrication of Carbon Nanotube High-Frequency Nanoelectronic Biosensor for Sensing in High Ionic Strength Solutions
12:20

Fabrication of Carbon Nanotube High-Frequency Nanoelectronic Biosensor for Sensing in High Ionic Strength Solutions

Published on: July 22, 2013

18.2K

Related Experiment Videos

Last Updated: Jun 24, 2025

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

3.2K
In Vitro Multiparametric Cellular Analysis by Micro Organic Charge-modulated Field-effect Transistor Arrays
10:05

In Vitro Multiparametric Cellular Analysis by Micro Organic Charge-modulated Field-effect Transistor Arrays

Published on: September 20, 2021

2.4K
Fabrication of Carbon Nanotube High-Frequency Nanoelectronic Biosensor for Sensing in High Ionic Strength Solutions
12:20

Fabrication of Carbon Nanotube High-Frequency Nanoelectronic Biosensor for Sensing in High Ionic Strength Solutions

Published on: July 22, 2013

18.2K

Area of Science:

  • Materials Science
  • Nanotechnology
  • Sensor Technology

Background:

  • Chemiresistive gas sensors face challenges in multigas detection due to reliance on a single parameter (resistivity).
  • Existing sensor arrays increase system complexity and cost for identifying multiple gases.
  • A single chemiresistive sensor typically detects only one target gas, limiting its application.

Purpose of the Study:

  • To develop a single gas sensor with multigas detection and identification capabilities.
  • To overcome the limitations of traditional chemiresistive gas sensors for complex gas analysis.
  • To reduce the system complexity and cost associated with multigas sensor arrays.

Main Methods:

  • Fabrication of a field-effect transistor (FET) gas sensor using semiconducting carbon nanotubes (CNTs) modified with Palladium (Pd) nanoparticles.
  • Extraction of multiple electrical parameters (e.g., transconductance, threshold voltage) from FET transfer characteristics.
  • Application of principal component analysis (PCA) for data analysis and gas identification.

Main Results:

  • The developed carbon-based FET gas sensor demonstrated the ability to detect and differentiate six different gases.
  • Multiple electrical parameters from the FET were correlated with specific gas detection information.
  • Principal component analysis enabled accurate identification of gases using data from a single sensor.

Conclusions:

  • A single carbon-based FET gas sensor can achieve multigas identification by analyzing various electrical parameters.
  • This approach offers a potential solution to the bottleneck of multigas identification by single sensors.
  • The findings provide valuable guidance for developing more efficient and cost-effective multigas identification technologies.