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

543
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...
543
Atomic Emission Spectroscopy: Instrumentation01:22

Atomic Emission Spectroscopy: Instrumentation

664
The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase atoms and ions. There are two main types of atomization devices: continuous and discrete atomizers.  Continuous atomizers, like plasmas and flames, introduce samples in a constant stream, while discrete atomizers inject individual samples using syringes or autosamplers. The most common discrete atomizer is the electrothermal atomizer.
664
Atomic Absorption Spectroscopy: Lab01:21

Atomic Absorption Spectroscopy: Lab

623
For AAS measurements, samples must be introduced as clear solutions, often requiring extensive preliminary treatment to dissolve materials like soils, animal tissues, and minerals. Common methods for sample preparation include treatment with hot mineral acids, wet ashing, combustion in closed containers, high-temperature ashing, or fusion with reagents.
 Solutions containing organic solvents, such as low-molecular-mass alcohols, esters, or ketones, enhance absorbances by increasing...
623
Atomic Absorption Spectroscopy: Atomization Methods01:25

Atomic Absorption Spectroscopy: Atomization Methods

699
Atomic Absorption Spectroscopy (AAS) atomizes samples through flame atomization or electrothermal atomization. Flame atomization typically involves a nebulizer and spray chamber assembly to combine the sample with a fuel–oxidant mixture, creating a fine aerosol mist that enters a burner. Typically, the fuel and oxidant are combined in an approximately stoichiometric ratio. However, for atoms that are easily oxidized, a fuel-rich mixture may be more advantageous. Only about 5% of the...
699
Atomic Emission Spectroscopy: Lab01:29

Atomic Emission Spectroscopy: Lab

263
AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. The Inductively Coupled Plasma (ICP), in particular, yields superior quantitative analytical data due to its high stability, low noise, low background, and minimal interferences under optimal experimental conditions. However, newer air-operated microwave sources are emerging as promising alternatives that could be more cost-effective than...
263

You might also read

Related Articles

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

Sort by
Same author

Enriching LMW-GS alleles and strengthening gluten properties of common wheat through wide hybridization with wild emmer.

3 Biotech·2019
Same author

An ancestral NB-LRR with duplicated 3'UTRs confers stripe rust resistance in wheat and barley.

Nature communications·2019
Same author

Characterization of a robust cold-adapted and thermostable laccase from Pycnoporus sp. SYBC-L10 with a strong ability for the degradation of tetracycline and oxytetracycline by laccase-mediated oxidation.

Journal of hazardous materials·2019
Same author

Simvastatin Possesses Antitumor and Differentiation-Promoting Properties That Affect Stromal Cells in Giant Cell Tumor of Bone.

Journal of orthopaedic research : official publication of the Orthopaedic Research Society·2019
Same author

A Study of the Immunoregulatory Function of TLR3 and TLR4 on Mesenchymal Stem Cells in Ankylosing Spondylitis.

Stem cells and development·2019
Same author

In Situ-Generated Supported Potassium Lactate: Stable Catalysis for Vapor-Phase Dehydration of Lactic Acid to Acrylic Acid.

ACS omega·2019

Related Experiment Video

Updated: Sep 29, 2025

Characterization and Application of Passive Samplers for Monitoring of Pesticides in Water
10:34

Characterization and Application of Passive Samplers for Monitoring of Pesticides in Water

Published on: August 3, 2016

9.7K

A new method for measuring airborne elemental carbon using PUF disk passive samplers.

Zheng Wei Zhang1, Pourya Shahpoury2, Wendy Zhang3

  • 1Air Quality Processes Research Section, Environment and Climate Change Canada, Toronto, Canada.

Chemosphere
|March 18, 2022
PubMed
Summary

A new passive air sampling method using polyurethane foam (PUF-PAS) effectively measures elemental carbon (EC), a key climate forcer. This cost-effective technique offers a viable alternative for global EC monitoring, especially in remote areas.

Keywords:
Air pollutionBlack carbonClimate changePUF-PASShort-Lived climate forcersWildfires

More Related Videos

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
Composition and Distribution Analysis of Bioaerosols Under Different Environmental Conditions
05:45

Composition and Distribution Analysis of Bioaerosols Under Different Environmental Conditions

Published on: January 7, 2019

11.2K

Related Experiment Videos

Last Updated: Sep 29, 2025

Characterization and Application of Passive Samplers for Monitoring of Pesticides in Water
10:34

Characterization and Application of Passive Samplers for Monitoring of Pesticides in Water

Published on: August 3, 2016

9.7K
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
Composition and Distribution Analysis of Bioaerosols Under Different Environmental Conditions
05:45

Composition and Distribution Analysis of Bioaerosols Under Different Environmental Conditions

Published on: January 7, 2019

11.2K

Area of Science:

  • Atmospheric Chemistry
  • Environmental Monitoring
  • Climate Science

Background:

  • Carbonaceous aerosols, including elemental carbon (EC), are significant Short-Lived Climate Forcers (SLCFs) impacting climate and health.
  • Conventional active air sampling for EC quantification is equipment-intensive and unsuitable for remote locations.
  • Passive sampling offers a simpler, cost-effective approach for temporal and spatial trend analysis.

Purpose of the Study:

  • To develop and validate a novel method for measuring elemental carbon (EC) using polyurethane foam passive air samplers (PUF-PAS).
  • To assess the reproducibility, background levels, and comparability of the PUF-PAS method against traditional active sampling techniques.
  • To establish a cost-effective strategy for expanding global EC measurements and addressing data gaps.

Main Methods:

  • Development of a passive air sampling method utilizing polyurethane foam (PUF-PAS) for elemental carbon (EC) collection.
  • Coupling PUF-PAS with EnCan-Total-900 (ECT9) thermal analysis for EC quantification.
  • Validation through reproducibility tests (coefficients of variation as low as 3%), background analysis, and comparison with active sampling methods.

Main Results:

  • The PUF-PAS method demonstrated high reproducibility for EC measurements in ambient air.
  • Low background EC levels in blanks (0.1% of deployed samples) enabled quantification across a wide concentration range.
  • EC concentrations obtained via passive sampling were statistically comparable to those from active sampling (p > 0.01).

Conclusions:

  • The developed PUF-PAS method is a viable and reproducible technique for measuring elemental carbon (EC).
  • This passive sampling approach provides a cost-effective means to expand global EC monitoring, particularly in data-sparse regions.
  • The method's success paves the way for including other carbonaceous aerosols and improving SLCF impact assessments for climate policy.