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Detection of the fungicide transformation product 4-hydroxychlorothalonil in serum of pregnant women from Sweden and Costa Rica
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- Krais, Annette M (författare)
- Lund University,Lunds universitet,Avdelningen för arbets- och miljömedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Tillämpad masspektrometri inom miljömedicin,Forskargrupper vid Lunds universitet,Centrum för hälsosamma inomhusmiljöer, CHIE,Annan verksamhet, LTH,Lunds Tekniska Högskola,Division of Occupational and Environmental Medicine, Lund University,Department of Laboratory Medicine,Faculty of Medicine,Applied Mass Spectrometry in Environmental Medicine,Lund University Research Groups,Centre for Healthy Indoor Environments,Other operations, LTH,Faculty of Engineering, LTH
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- de Joode, Berna van Wendel (författare)
- University of Costa Rica
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- Liljedahl, Emelie Rietz (författare)
- Lund University,Lunds universitet,Metalund,Annan verksamhet, LTH,Lunds Tekniska Högskola,Avdelningen för arbets- och miljömedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Genetisk arbets- och miljömedicin,Forskargrupper vid Lunds universitet,Tillämpad masspektrometri inom miljömedicin,Epidemiologi,Other operations, LTH,Faculty of Engineering, LTH,Division of Occupational and Environmental Medicine, Lund University,Department of Laboratory Medicine,Faculty of Medicine,Genetic Occupational and Environmental Medicine,Lund University Research Groups,Applied Mass Spectrometry in Environmental Medicine,Epidemiology
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- Engelska.
- Ingår i: Journal of Exposure Science & Environmental Epidemiology. - 1559-064X.
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- BACKGROUND: 4-hydroxychlorothalonil (HCT, R182281), a transformation product of the fungicide chlorothalonil, was recently identified in human serum and breast milk. There are indications that HCT may be more toxic and environmentally persistent than chlorothalonil.OBJECTIVE: Our aim was to investigate serum concentrations of HCT in pregnant women in Sweden and Costa Rica.METHODS: We developed a quantitative analytical method for HCT using liquid chromatography tandem mass spectrometry. We measured HCT in 1808 serum samples from pregnant women from the general population in Sweden (1997-2015) and in 632 samples from 393 pregnant women from an agricultural population in Costa Rica (2010-2011). In Swedish samples, we assessed time trends and investigated seasonality. In the Costa Rican samples, we evaluated variability between and within women and explanatory variables of HCT concentrations.RESULTS: HCT was detected in all serum samples, and the limit of detection was 0.1 µg/L. The median HCT concentration in the Swedish samples was 4.1 µg/L (interquartile range [IQR] of 2.9 - 5.8 µg/L), and 3.9 times higher in the Costa Rican samples (median: 16.1 µg/L; IQR: 10.6 - 25.0 µg/L). We found clear seasonal variation with higher concentrations in the first half of each year among Swedish women. In the Costa Rican study, women working in agriculture and living near banana plantations had higher HCT concentrations, whilst higher parity and having a partner working in agriculture were associated with decreased HCT, and no clear seasonal pattern was observed.IMPACT STATEMENT: For the first time, this study quantifies human exposure to the fungicide chlorothalonil and/or its transformation product 4-hydroxychlorothalonil (HCT, R182281) and finds higher serum concentrations in women from a tropical agricultural setting as compared with women from the general population in Sweden.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Arbetsmedicin och miljömedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Occupational Health and Environmental Health (hsv//eng)
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