Molecular markers selection to assess the impact of biomass burning
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Abstract
Biomass burning, a common agricultural practice for sugarcane harvesting, increases atmospheric particulate matter and its hazardous chemical compounds contents. Threats for human health derived have motivated a great deal of work concerning source identification and emission rates evaluation. The chemical composition of airborne particulate is complex, and only a small fraction of its mass can be measured and described at a molecular level. In this sense molecular markers, which reflect the composition of plant species upon burning, are useful to track emissions from various biomass sources. In this work the identification of some low molecular mass oxygenated compunds and alkylamides with potential application as molecular markers for sugarcane biomass burning is presented.
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