Metal concentrations in pregnant women and neonates from informal electronic waste recycling.
Cadmium
Chromium
Electronic waste
Lead
Manganese
Recycling
Journal
Journal of exposure science & environmental epidemiology
ISSN: 1559-064X
Titre abrégé: J Expo Sci Environ Epidemiol
Pays: United States
ID NLM: 101262796
Informations de publication
Date de publication:
04 2019
04 2019
Historique:
received:
20
07
2017
accepted:
31
05
2018
revised:
21
05
2018
pubmed:
17
8
2018
medline:
6
5
2020
entrez:
17
8
2018
Statut:
ppublish
Résumé
Electronic waste (e-waste) is the fastest growing solid waste stream worldwide and mostly ends up in developing countries where residents use primitive methods for recycling. The most infamous e-waste recycling town, Guiyu in Southeast China, has been recycling since the mid-1990s. E-waste contains several harmful chemicals, including lead (Pb), cadmium (Cd), chromium (Cr), and manganese (Mn). In 2011-12, the e-waste Recycling Exposures and Community Health (e-REACH) Study enrolled 634 pregnant women living in Guiyu and Haojiang, a control site, both in Shantou, China. The women completed a questionnaire and gave maternal blood, cord blood, and maternal urine, which were analyzed for Pb, Cd, Cr, and Mn. Maternal blood Pb, Cd, and Cr concentrations were significantly higher in Guiyu compared to Haojiang. In Guiyu, the geometric mean of Pb concentration in maternal blood was 6.66 µg/dL (range: 1.87-27.09 µg/dL) and was 1.74-fold greater than in Haojiang (95% CI: 1.60, 1.89). In cord blood, Pb concentration was 1.53-fold higher in Guiyu (95% CI: 1.38, 1.68). In maternal urine, Cd (ratio: 2.15, 95% CI: 1.72, 2.69) and Mn (ratio: 2.60, 95% CI: 2.04, 3.31) concentrations were significantly higher in Guiyu in comparison to Haojiang. In conclusion, pregnant women in Guiyu were at risk for increased exposure to heavy metals.
Identifiants
pubmed: 30111780
doi: 10.1038/s41370-018-0054-9
pii: 10.1038/s41370-018-0054-9
pmc: PMC6377357
mid: NIHMS980747
doi:
Substances chimiques
Metals, Heavy
0
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
406-415Subventions
Organisme : NIEHS NIH HHS
ID : RC4 ES019755
Pays : United States
Organisme : NIEHS NIH HHS
ID : P30 ES006096
Pays : United States
Organisme : NIEHS NIH HHS
ID : R01 ES028277
Pays : United States
Organisme : NIEHS NIH HHS
ID : T32 ES010957
Pays : United States
Organisme : NIEHS NIH HHS
ID : R01 ES020349
Pays : United States
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