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

Gas Chromatography: Types of Detectors-II

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

Nutritional Support Strategies for Refeeding Syndrome in ICU Patients: A Review of Current Evidence.

Journal of multidisciplinary healthcare·2026

Same author

Mechanisms of heavy metal immobilization and transformation during co-pyrolysis of pig manure with typical organic solid wastes.

Journal of hazardous materials·2026

Same author

Atomically dispersed metal-incorporated, moldable heterogeneous catalyst with coordination geometry-verified ligands for the synthesis of cyclic carbonates from carbon dioxide.

Journal of colloid and interface science·2026

Same author

SNAP30 forms a SNARE complex with VAMP726 and SYP131 and mediates vesicle secretion at the plasma membrane of the Arabidopsis pollen tube tip.

Journal of experimental botany·2026

Same author

Social Support and Hospital Discharge Readiness in CHD Patients: Mediating Roles of Self-Efficacy and Adherence.

Patient preference and adherence·2026

Same author

[Analysis of risk factors and management strategies of poor healing of inguinal incision after weaning of veno-arterial extracorporeal membrane oxygenation].

Zhonghua wei zhong bing ji jiu yi xue·2026

Same journal

Heterojunction Gate-Empowered OPECT Aptasensing: A Valid Protocol for Realizing High Current Gain at Low Electron Donor Dependency.

Analytical chemistry·2026

Same journal

Development of a Tapping-Mode Scanning Probe Electrospray Ionization Platform for High-Sensitivity and Long-Term Stability in Single-Cell Mass Spectrometry Imaging of Tissue.

Analytical chemistry·2026

Same journal

A Solid-State Near-Infrared Fluorescent Probe by a Synergistic Extended Conjugated System for Detecting Cys with Long-Term Imaging in Orthotopic Bladder Cancer.

Analytical chemistry·2026

Same journal

Air-Based Porous Array Dielectric Barrier Discharge Ionization Source for Explosive Trace Detection.

Analytical chemistry·2026

Same journal

PSAQ<sup>+1</sup>: Absolute Protein Quantification Using a <sup>13</sup>C<sub>1</sub>-Labeled Protein Standard, Coisolation of Peptide Pairs and LC-PRM.

Analytical chemistry·2026

Same journal

Heterojunction-Enhanced Interfacial Evanescent-Tunable Fiber Optic Probe for Amplification-free CRISPR/Cas12a-Based Rapid and Ultrasensitive Detection of MPXV.

Analytical chemistry·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Jun 11, 2025

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Published on: March 22, 2019

Near-Infrared Dual-Range Methane Sensor Using the OAIC-HC Mode Based on VMD-SG-Assisted Optical Noise Suppression.

Guolin Li¹, Siyu Zhang¹, Yajing Liu¹

¹College of Control Science & Engineering, China University of Petroleum (East China), Qingdao 266580, P. R. China.

Analytical Chemistry

|October 9, 2024

Summary

This summary is machine-generated.

A novel dual-range methane sensor uses advanced spectroscopy for precise detection. This technology accurately measures trace methane levels, aiding environmental monitoring and industrial safety.

More Related Videos

Measuring Dissolved Methane in Aquatic Ecosystems Using An Optical Spectroscopy Gas Analyzer

Measuring Dissolved Methane in Aquatic Ecosystems Using An Optical Spectroscopy Gas Analyzer

Published on: July 26, 2024

Using MazeSuite and Functional Near Infrared Spectroscopy to Study Learning in Spatial Navigation

Using MazeSuite and Functional Near Infrared Spectroscopy to Study Learning in Spatial Navigation

Published on: October 8, 2011

Related Experiment Videos

Last Updated: Jun 11, 2025

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Published on: March 22, 2019

Measuring Dissolved Methane in Aquatic Ecosystems Using An Optical Spectroscopy Gas Analyzer

Measuring Dissolved Methane in Aquatic Ecosystems Using An Optical Spectroscopy Gas Analyzer

Published on: July 26, 2024

Using MazeSuite and Functional Near Infrared Spectroscopy to Study Learning in Spatial Navigation

Using MazeSuite and Functional Near Infrared Spectroscopy to Study Learning in Spatial Navigation

Published on: October 8, 2011

Area of Science:

Environmental Science
Analytical Chemistry
Spectroscopy

Background:

Accurate methane (CH₄) detection is crucial for environmental monitoring and industrial safety.
Existing methods may lack the sensitivity or dynamic range for comprehensive trace methane analysis.

Purpose of the Study:

To develop and validate a dual-range hybrid sensor for sensitive and accurate trace methane detection.
To achieve a wide dynamic detection range for methane gas concentrations.

Main Methods:

Utilized tunable diode laser absorption spectroscopy and off-axis integrated cavity output spectroscopy.
Employed a hybrid sensor design incorporating an off-axis integrated cavity and Herriott cell.
Applied Variational Mode Decomposition (VMD) and Savitzky-Golay (SG) filtering for signal processing, with DA-ELM for concentration inversion.

Main Results:

Achieved a high correlation coefficient (R² = 0.9995) for CH₄ concentration inversion.
Demonstrated long-term stability with a standard deviation of 27 ppb at 1 ppm.
Determined a limit of detection of 2.298 ppb at 138 s integration time and a dynamic range of 400 ppb to 1000 ppm.

Conclusions:

The developed sensor successfully enables dual-range trace methane detection.
The sensor contributes to active control of methane emissions for environmental improvement and enhanced safety.