[HTML][HTML] Biomarkers of exposure to secondhand and thirdhand tobacco smoke: recent advances and future perspectives

S Torres, C Merino, B Paton, X Correig… - International journal of …, 2018 - mdpi.com
S Torres, C Merino, B Paton, X Correig, N Ramírez
International journal of environmental research and public health, 2018mdpi.com
Smoking is the leading preventable disease worldwide and passive smoking is estimated to
be the cause of about 1.0% of worldwide mortality. The determination of tobacco smoke
biomarkers in human biological matrices is key to assess the health effects related to the
exposure to environmental tobacco smoke. The biomonitoring of cotinine, the main nicotine
metabolite, in human biofluids—including urine, serum or saliva—has been extensively
used to assess this exposure. However, the simultaneous determination of cotinine together …
Smoking is the leading preventable disease worldwide and passive smoking is estimated to be the cause of about 1.0% of worldwide mortality. The determination of tobacco smoke biomarkers in human biological matrices is key to assess the health effects related to the exposure to environmental tobacco smoke. The biomonitoring of cotinine, the main nicotine metabolite, in human biofluids—including urine, serum or saliva—has been extensively used to assess this exposure. However, the simultaneous determination of cotinine together with other tobacco biomarkers and the selection of alternative biological matrices, such as hair, skin or exhaled breath, would enable a better characterization of the kind and extent of tobacco exposure. This review aims to perform a critical analysis of the up-to-date literature focused on the simultaneous determination of multiple tobacco smoke biomarkers studied in different biological matrices, due to the exposure to secondhand smoke (SHS) and thirdhand smoke (THS). Target biomarkers included both tobacco-specific biomarkers—nicotine and tobacco specific nitrosamine biomarkers—and tobacco-related biomarkers, such as those from polycyclic aromatic hydrocarbons, volatile organic compounds, metals and carbon monoxide. To conclude, we discuss the suitability of determining multiple biomarkers through several relevant examples of SHS and THS exposure.
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