Urinary Levoglucosan as a Biomarker of Wood Smoke Exposure
Author Information
Author(s): Christopher T. Migliaccio, Megan A. Bergauff, Christopher P. Palmer, Forrest Jessop, Curtis W. Noonan, Tony J. Ward
Primary Institution: University of Montana
Hypothesis
Can levoglucosan (LG) be used as a biomarker for wood smoke exposure in both mice and children?
Conclusion
Levoglucosan is detectable in the urine of both mice and humans, making it a promising biomarker for wood smoke exposure.
Supporting Evidence
- Levoglucosan was detected in the urine of all 14 children tested.
- 76.9% of smoke-exposed mice had detectable levels of levoglucosan in their urine.
- Urinary levoglucosan concentrations were associated with parent-reported household smoking.
Takeaway
This study found that a substance called levoglucosan can be found in the pee of kids and mice who were around wood smoke, which means it could help us understand how wood smoke affects health.
Methodology
The study involved urinary detection of levoglucosan using gas chromatography/mass spectrometry after exposing mice and children to wood smoke.
Potential Biases
Potential exposure misclassification due to reliance on parent-reported smoking status.
Limitations
The study relied on a convenience sample of children and did not have direct exposure information for all subjects.
Participant Demographics
14 grade-school children, mean age 8.5 years, all non-Hispanic white.
Statistical Information
P-Value
0.003
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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