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 Experiment Videos

High-sensitivity instrument for measuring atmospheric NO2.

Y Matsumi1, S Murakami, M Kono

  • 1Solar-Terrestrial Environment Laboratory and Graduate School of Science, Nagoya University, Honohara, Toyokawa, Japan. matsumi@stelab.nagoya-u.ac.jp

Analytical Chemistry
|January 31, 2002
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Acquisition of interleukin-3 independence in FDC-P2 cells after transfection with the activated c-H-ras gene using a bovine papillomavirus-based plasmid vector.

Blood·1992
Same author

Effects of Ca2+ antagonists and antiepileptics on tetrodotoxin-sensitive Ca(2+)-conducting channels in isolated rat hippocampal CA1 neurons.

Neuroscience letters·1992
Same author

Novel phenylketonuria mutation detected by analysis of ectopically transcribed phenylalanine hydroxylase mRNA from lymphoblast.

Lancet (London, England)·1992
Same author

Fluorescent probe-labeled lipid microsphere uptake by human endothelial cells: a flow cytometric study.

Japanese journal of pharmacology·1992
Same author

[Studies on IFN-gamma production by peripheral blood mononuclear cells cultured with Candida antigen in asthmatics].

Arerugi = [Allergy]·1992
Same author

Site-directed mutagenesis of amino acid residues involved in the glutathione binding of human glutathione S-transferase P1-1.

Journal of biochemistry·1992

A new laser-induced fluorescence (LIF) system offers high-sensitivity detection of atmospheric nitrogen dioxide (NO2). This advanced NO2 sensor achieves 30 parts-per-trillion sensitivity, enabling accurate air quality monitoring.

Area of Science:

  • Atmospheric chemistry and physics
  • Environmental monitoring instrumentation
  • Laser spectroscopy

Background:

  • Accurate measurement of atmospheric nitrogen dioxide (NO2) is crucial for understanding air quality and atmospheric processes.
  • Existing detection methods may face challenges with selectivity and sensitivity.
  • Development of novel, high-performance NO2 sensors is an ongoing research area.

Purpose of the Study:

  • To develop and validate a high-sensitivity detection system for atmospheric NO2 measurement.
  • To utilize laser-induced fluorescence (LIF) spectroscopy for selective NO2 quantification.
  • To assess the practical performance and intercompare the developed system with established methods.

Main Methods:

  • A tunable, broad-band optical parametric oscillator laser, pumped by a Nd:YAG laser, was employed as the fluorescence excitation source around 440 nm.

Related Experiment Videos

  • Differential wavelength tuning (peak and bottom wavelengths) was used to enhance NO2 selectivity and minimize interference.
  • The developed LIF instrument was tested in a suburban environment and compared against a photofragmentation chemiluminescence (PF-CL) instrument.

    • Main Results:

    • The LIF system demonstrated a high sensitivity of 30 parts-per-trillion (pptv) with a signal-to-noise ratio (S/N) of 2 in 10 seconds.
    • The instrument showed good selectivity for NO2, effectively avoiding interference from other species.
    • Laboratory intercomparisons revealed a strong linear correlation between LIF and PF-CL measurements up to 1000 pptv.

    Conclusions:

    • The developed laser-induced fluorescence system provides a highly sensitive and selective method for atmospheric NO2 detection.
    • The system's practical performance and good agreement with a standard PF-CL instrument validate its utility for air quality monitoring.
    • This LIF-based approach offers a promising advancement in atmospheric NO2 measurement technology.