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September 16, 2025NanomaterialsOpen Access

Elemental Composition of Magnetic Nanoparticles in Wildland–Urban Interface Fire Ashes Revealed by SingleParticle-Inductively Coupled Plasma-Time-of-Flight-Mass Spectrometer

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Authors

MAMahbub AlamADAustin DowneyBCBo Cai

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Overview

This research uncovers the elemental composition of magnetic nanoparticles in fire ashes, indicating potential health risks.

Key Points

  • The elemental composition of magnetic nanoparticles was revealed in ashes from WUI fires and found high in toxic metals.
  • Magnetic separation significantly reduced the transverse relaxation rate R2 by 86%, confirming the method's efficiency.
  • The study utilized single particle-inductively coupled plasma-time-of-flight-mass spectrometry to characterize MNPs in fire ashes.
  • Findings highlight that WUI fire ash MNPs contain potentially toxic elements, emphasizing environmental and health risks.

Cite This Study

Alam et al. (2025) studied this question.

synapsesocial.com/papers/68d454d131b076d99fa5a8d5https://doi.org/10.3390/nano15181420
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  3. 3Magnetic and Isotopic Analyses Unravel the Abundance and Sources of Magnetic Nanoparticles in Urban PM <sub>2.5</sub>2026
  4. 4Widespread Occurrence of Magnéli Phases in Wildland–Urban Interface Fire Ashes2026
  5. 5Physicochemical characteristics and speciation of potentially toxic elements in municipal solid waste incineration fly ash2026