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  • Du, Xinyu (author)

Evaluating oral and inhalation bioaccessibility of indoor dust-borne short- and median-chain chlorinated paraffins using in vitro Tenax-assisted physiologically based method

  • Article/chapterEnglish2021

Publisher, publication year, extent ...

  • Elsevier,2021
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:umu-187586
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-187586URI
  • https://doi.org/10.1016/j.jhazmat.2020.123449DOI

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  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Erratum: Xinyu Du et al. “Evaluating oral and inhalation bioaccessibility of indoor dust-borne short- and median-chain chlorinated paraffins using in vitro Tenax-assisted physiologically based method, Journal of Hazardous Materials, 2021;405;124233, DOI: 10.1016/j.jhazmat.2020.123449
  • Though ingestion and inhalation of dust have been suggested as important exposure routes contributing chlorinated paraffins (CPs) build-up in humans, the bioaccessibility of dust-borne CPs in the organ environment has not been well-studied, which may hinder an accurate estimation of exposure risks. In this study, the ingestion and inhalation bioaccessibility of dust-borne shortand median-chain CPs (SCCPs and MCCPs) was assessed using (colon-extended) physiologically based extraction test with the addition of Tenax. The ingestion bioaccessibility of SCCPs 51.5 %Cl, SCCPs 63 %Cl, MCCPs 42 %Cl, and MCCPs 57 %Cl was in ranges of 21.1-44.0 %, 11.7-45.8 %, 21.9-36.6 %, and 7.9-32.9 %, respectively. Multiple linear regression analysis demonstrated statistically significant associations of ingestion bioaccessibility with carbon chain length and chlorine substitution. The ingestion bioaccessibility of CPs also increased with co-existence of carbohydrate/protein. The inhalation bioaccessibility of SCCPs (16.7-38.7 % in artificial lysosomal fluid and 15.5-34.1 % in modified Gamble solution) was significantly higher than MCCPs (< 5 %), and varied with dust particle size/total organic carbon content. Our study indicates that modest bioaccessible fractions of CPs in dust should be taken into account to refine the estimation of human exposure, and their bioaccessibility may be affected by CP molecular size, nutritional content and dust property.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Zhou, Yihui (author)
  • Li, Jun (author)
  • Wu, Yan (author)
  • Zheng, Ziye,1992-Umeå universitet,Kemiska institutionen(Swepub:umu)zizh0007 (author)
  • Yin, Ge (author)
  • Qiu, Yanling (author)
  • Zhao, Jianfu (author)
  • Yuan, Guoli (author)
  • Umeå universitetKemiska institutionen (creator_code:org_t)

Related titles

  • In:Journal of Hazardous Materials: Elsevier4020304-38941873-3336

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Du, Xinyu
Zhou, Yihui
Li, Jun
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Zhao, Jianfu
Yuan, Guoli
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NATURAL SCIENCES
NATURAL SCIENCES
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NATURAL SCIENCES
NATURAL SCIENCES
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