Journal
REVIEWS ON ENVIRONMENTAL HEALTH
Volume 35, Issue 4, Pages 461-470Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1515/reveh-2020-0003
Keywords
acellular assays; oxidative potential; PM characterization; review
Funding
- Research Foundation for Advanced Talents in Xiamen University of Technology [YKJ19027R]
- Education and scientific research project for young and middle-aged teachers in Fujian Province [JAT190651]
- Fujian Science and Technology Guiding Project [2018Y0079]
- Fujian Engineering and Research Center of Rural Sewage Treatment and Water Safety
- Key Laboratory of Environmental Biotechnology (XMUT), Fujian Province University
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The health risks brought by particles cannot be present via a sole parameter. Instead, the particulate matter oxidative potential (PM OP), which expresses combined redox properties of particles, is used as an integrated metric to assess associated hazards and particle-induced health effects. OP definition provides the capacity of PM toward target oxidation. The latest technologies of a cellular OP measurement has been growing in relevant studies. In this review, OP measurement techniques are focused on discussing along with PM characterization because of many related studies via OP measurements investigating relationship with human health. Many OP measurement methods, such as dithiothreitol (DTT), ascorbic acid (AA), glutathione (GSH) assay and other a cellular assays, are used to study the association between PM toxicity and PM characterization that make different responses, including PM components, size and sources. Briefly, AA and DTT assays are sensitive to metals (such as copper, manganese and iron etc.) and organics (quinones, VOCs and PAH). Measured OP have significant association with certain PM-related end points, for example, lung cancer, COPD and asthma. Literature has found that exposure to measured OP has higher risk ratios than sole PM mass, which may be containing the PM health-relevant fraction. PM characterization effect on health via OP measurement display a promising method.
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