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Bioindicators and human biomarkers as alternative approaches for cost-effective assessment of air pollution exposure
Summary
This review explores low-cost methods for monitoring air pollution using natural indicators like spider webs, lichens, and mosses, as well as human biomarkers that detect genetic damage from pollution exposure. While not focused on microplastics specifically, several of these biomonitoring techniques could be adapted to assess airborne microplastic exposure in communities. The approach is especially valuable for regions that cannot afford expensive air monitoring equipment but need to understand local pollution impacts on health.
Traditional methods of air pollution monitoring require substantial investment in equipment and infrastructure. However, efficient and cost-effective alternatives offer promising solutions for region-specific pollution assessments and understanding their impact on local populations. This review explores examples of low-cost monitoring methods, focusing on natural bioindicators, human interaction-based techniques, and the outcomes associated with air pollution exposure. Bioindicators such as spider webs, lichens, mosses, and Tradescantia pallida ( T. pallida ) are discussed as potential tools for air pollution monitoring. Human biomonitoring techniques, including the micronucleus assay and the assessment of pulmonary anthracosis, are examined for their ability to provide valuable insights into genotoxic effects and long-term exposure. The advantages and limitations of each method are highlighted. The review advocates for continued research and development to refine these approaches, with the aim of mitigating the adverse health impacts of air pollution on both individuals and communities.
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