Parvez Md Sohel, Czédli Herta, Hoque Md Imdadul, Rahman Mohammad Mizanur, Anwar Armin, Uddin Abu Hena Mohammad Mezbah, Hasan Md Siddiq, Bibi Dina, Tóthmérész Béla, Magura Tibor, Simon Edina
Pál Juhász-Nagy Doctoral School of Biology and Environmental Sciences, University of Debrecen, 4032 Debrecen, Hungary.
Department of Hydrobiology, University of Debrecen, 4032 Debrecen, Hungary.
Toxics. 2024 Nov 25;12(12):848. doi: 10.3390/toxics12120848.
Potentially toxic elements (PTEs) and microplastics (MPs) in the atmosphere raise widespread apprehension due to their association with the ecosystem and public health. The accumulation of airborne MPs and PTEs was analyzed in leaves, and the Pollution Index (PI) was calculated along an industrial, residential, and rural gradient in Bangladesh. Only polyethylene terephthalate (PET) was found in the highest concentration in industrial areas compared to other areas. In leaves, a significantly higher Cd, Pb, and Zn concentration was found in industrial regions compared to residential and rural areas. For Cd, the PI was observed to be higher than 1 in rural areas, indicating a moderate level of pollution; it was higher than 3 in residential areas, showing considerable pollution; and it was found to be more than 6 in industrial areas. The higher concentration of both MPs and PTEs with increasing urbanization reflects the influence of anthropogenic activities. The findings of the study demonstrate the fascinating potential of tree leaves as a promising bioindicator for air quality biomonitoring.
大气中的潜在有毒元素（PTEs）和微塑料（MPs）因其与生态系统和公众健康的关联而引发广泛担忧。对树叶中空气传播的微塑料和潜在有毒元素的积累情况进行了分析，并沿着孟加拉国的工业、住宅和农村梯度计算了污染指数（PI）。与其他地区相比，工业区域中仅聚对苯二甲酸乙二酯（PET）的浓度最高。在树叶中，与住宅和农村地区相比，工业区域中的镉、铅和锌浓度显著更高。对于镉，农村地区的污染指数观察到高于1，表明污染程度中等；在住宅区高于3，显示出相当程度的污染；在工业区则发现超过6。随着城市化进程的加快，微塑料和潜在有毒元素的浓度升高，这反映了人为活动的影响。该研究结果表明，树叶作为空气质量生物监测的一种有前景的生物指示物具有巨大潜力。
