Genotoxicity in the air of Cúcuta, Colombia, in PM2.5 samples
DOI:
https://doi.org/10.24054/aaas.v5i1.1996Keywords:
PM2.5, Hidrocarburos Aromáticos Policíclicos, Benzo(a)pireno, Cromatografía de gases, ensayo cometaAbstract
Air pollutants have been and continue to be the main factors contributing to chronic diseases such as asthma and cardiovascular disease. Air pollution from particulate matter (PM) is a global problem, and in recent years, PM has become an important topic of research because it has a significant negative impact on human health. This study aims to identify the PAHs present in PM2.5 in the air of Cúcuta and assess the health risk using the genotoxic assay known as the Comet assay.
The work carried out included the identification of several polycyclic aromatic hydrocarbons (PAHs) considered to be priority substances and recognized for their impact on public health, using gas chromatography with an FID detector, associated with fine PM 2.5 particles collected at an urban site in Cúcuta, Colombia, influenced by vehicle traffic emissions. Dichloromethane was used as a solvent to extract the PAHs present in the air in Cúcuta. The PAHs found in the city of Cúcuta are: methyl chrysene, benzo[a]anthracene, benzo[j]fluoranthene, benzo[b]fluoranthene, benzo[k]fluoranthene, and indeno[1,2-g]perylene. [a] pyrene, dibenzo[a,l] pyrene, dibenzo[a,e] pyrene, benzo[c] fluorene, benzo[k]fluoranthene, indeno[1,2,3-cd] pyrene, dibenzo[a,h] anthracene, and benzo[g,h.i]perylene. The genotoxic effects of the organic matter in PM2.5 particulate matter extracted with dichloromethane were evaluated using the comet assay.
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