Recent analytical methods for atmospheric polycyclic aromatic hydrocarbons and their derivatives

Area of Science:

• Environmental Chemistry
• Analytical Chemistry
• Toxicology

Background:

• Polycyclic aromatic hydrocarbons (PAHs) and nitropolycyclic aromatic hydrocarbons (NPAHs) are widespread environmental pollutants.
• Oxidative metabolites of PAHs, including hydroxylated and epoxide forms, can disrupt endocrine function and generate reactive oxygen species.
• These compounds are a significant concern, particularly in relation to particulate matter (PM$_{2.5}$) pollution.

Purpose of the Study:

• To review recent advancements in analytical methodologies for detecting PAHs, NPAHs, and related compounds.
• To highlight the importance of these analyses in environmental and biological matrices.
• To address the growing concern surrounding these pollutants and their metabolites.

Main Methods:

• Review of recent scientific literature on analytical techniques.
• Focus on methods applicable to atmospheric samples.
• Focus on methods applicable to biological samples.

Main Results:

• Identification of various analytical approaches for PAHs and NPAHs.
• Discussion of metabolite analysis in complex matrices.
• Emphasis on the challenges and progress in the field.

Conclusions:

• Accurate analytical methods are crucial for monitoring PAHs, NPAHs, and their metabolites.
• Understanding the presence and impact of these compounds requires robust analytical strategies.
• Continued research into analytical methods is essential for environmental and health risk assessment.