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

499
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...
499
Gas Chromatography: Types of Detectors-I01:21

Gas Chromatography: Types of Detectors-I

608
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,...
608

You might also read

Related Articles

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

Sort by
Same author

A single nucleotide polymorphism in LRP2 is associated with susceptibility to Alzheimer's disease in the Chinese population.

Clinica chimica acta; international journal of clinical chemistry·2010
Same author

Three-component assembly and divergent ring-expansion cascades of functionalized 2-iminooxetanes.

Angewandte Chemie (International ed. in English)·2010
Same author

Prokaryotic expression and potential application of the truncated PCV-2 capsid protein.

Virologica Sinica·2010
Same author

Serum and urinary cell-free MiR-146a and MiR-155 in patients with systemic lupus erythematosus.

The Journal of rheumatology·2010
Same author

Peptide dendrimers as efficient and biocompatible gene delivery vectors: Synthesis and in vitro characterization.

Journal of controlled release : official journal of the Controlled Release Society·2010
Same author

The amplification and evolution of orthologous 22-kDa α-prolamin tandemly arrayed genes in coix, sorghum and maize genomes.

Plant molecular biology·2010

Related Experiment Video

Updated: Sep 11, 2025

Measuring Dissolved Methane in Aquatic Ecosystems Using An Optical Spectroscopy Gas Analyzer
05:00

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

Published on: July 26, 2024

597

Ultra-compact multi-pass cell-based TDLAS sensor for simultaneous dual-position atmospheric methane detection.

Yan Xue, Ruyue Cui, Gang Wang

    Optics Express
    |August 13, 2025
    PubMed
    Summary

    This study developed an ultra-compact multi-pass cell (MPC) for precise methane (CH4) detection. The cost-effective sensor is ideal for real-time environmental monitoring networks.

    More Related Videos

    Design and Use of a Full Flow Sampling System FFS for the Quantification of Methane Emissions
    08:18

    Design and Use of a Full Flow Sampling System FFS for the Quantification of Methane Emissions

    Published on: June 12, 2016

    16.9K
    Calibrated Passive Sampling - Multi-plot Field Measurements of NH3 Emissions with a Combination of Dynamic Tube Method and Passive Samplers
    10:29

    Calibrated Passive Sampling - Multi-plot Field Measurements of NH3 Emissions with a Combination of Dynamic Tube Method and Passive Samplers

    Published on: March 21, 2016

    12.4K

    Related Experiment Videos

    Last Updated: Sep 11, 2025

    Measuring Dissolved Methane in Aquatic Ecosystems Using An Optical Spectroscopy Gas Analyzer
    05:00

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

    Published on: July 26, 2024

    597
    Design and Use of a Full Flow Sampling System FFS for the Quantification of Methane Emissions
    08:18

    Design and Use of a Full Flow Sampling System FFS for the Quantification of Methane Emissions

    Published on: June 12, 2016

    16.9K
    Calibrated Passive Sampling - Multi-plot Field Measurements of NH3 Emissions with a Combination of Dynamic Tube Method and Passive Samplers
    10:29

    Calibrated Passive Sampling - Multi-plot Field Measurements of NH3 Emissions with a Combination of Dynamic Tube Method and Passive Samplers

    Published on: March 21, 2016

    12.4K

    Area of Science:

    • Environmental Science
    • Analytical Chemistry
    • Optical Engineering

    Background:

    • Accurate methane (CH4) detection is crucial for environmental monitoring and safety.
    • Existing sensors can be bulky or lack the sensitivity needed for distributed networks.
    • Developing compact, high-sensitivity methane sensors is an ongoing challenge.

    Purpose of the Study:

    • To develop and evaluate an ultra-compact multi-pass cell (MPC) for multi-point methane detection.
    • To assess the sensor's performance in a real-world environmental monitoring scenario.
    • To demonstrate the suitability of the MPC for cost-effective, real-time methane sensing.

    Main Methods:

    • Fabrication of an ultra-compact MPC with a 2.45 m optical path length and ~7 mL volume using spherical mirrors.
    • Utilized a near-infrared distributed feedback (DFB) laser at 1.65 μm for methane detection.
    • Tested a dual-point sensor system over seven days in a sewage environment.

    Main Results:

    • Achieved ppb-level detection sensitivity for methane.
    • Monitored CH4 concentrations in a sewage environment, with ground-floor readings from 1.70 to 36.80 ppm and rooftop readings from 1.60 to 4.40 ppm.
    • Demonstrated excellent linearity (R2 > 0.999), a minimum detectable limit (MDL) of 288 ppb, and rapid response times (29s rise, 30s fall).

    Conclusions:

    • The ultra-compact MPC design enables highly sensitive, real-time methane detection.
    • The sensor system is cost-effective, easy to manufacture, and suitable for distributed environmental monitoring networks.
    • This technology offers significant potential for improved methane emission tracking and safety applications.