101
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Li L, Arnot JA, Wania F. How are Humans Exposed to Organic Chemicals Released to Indoor Air? ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:11276-11284. [PMID: 31496218 DOI: 10.1021/acs.est.9b02036] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Humans are exposed to organic chemicals released to indoor air through near-field exposure routes such as air inhalation and nondietary dust ingestion as well as far-field exposure routes such as consumption of food. Here, we explore the relative importance of near- and far-field exposure routes and its variability between chemicals, age groups, and subpopulations, by modeling aggregate human exposure to indoor-released chemicals with diverse partitioning behavior and degradability. Our model results indicate that if chemicals are assumed to be perfectly persistent, dietary and nondietary ingestion dominates human exposure to hydrophobic chemicals of relatively low volatility (with an octanol-air partition coefficient KOA > 106.5 and an octanol-water partition coefficient KOW < 1011), whereas inhalation of indoor air dominates human exposure to volatile chemicals. Other exposure routes, for example, dermal absorption and drinking water, make a relatively small contribution to human exposure. Reduced chemical persistence in environmental media and biota lowers the contribution of dietary ingestion. For most chemicals other than those with a KOA between 109 and 1012 and a KOW between 106 and 109 (e.g., polybrominated diphenyl ethers), the relative importance of near- and far-field exposure routes is primarily governed by chemical partitioning and degradability rather than age- and population-dependent human exposure factors.
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Affiliation(s)
- Li Li
- Department of Physical & Environmental Sciences , University of Toronto Scarborough , Toronto , Ontario M1C 1A4 , Canada
| | - Jon A Arnot
- Department of Physical & Environmental Sciences , University of Toronto Scarborough , Toronto , Ontario M1C 1A4 , Canada
- ARC Arnot Research & Consulting , Toronto , Ontario M4M-1W4 , Canada
- Department of Pharmacology and Toxicology , University of Toronto , Toronto , Ontario M5S 1A8 , Canada
| | - Frank Wania
- Department of Physical & Environmental Sciences , University of Toronto Scarborough , Toronto , Ontario M1C 1A4 , Canada
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102
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Effect of thermo-oxidation on loss of plasticizers, on crystalline features and on properties in a metallocene isotactic polypropylene. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.121749] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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103
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Pacyga DC, Sathyanarayana S, Strakovsky RS. Dietary Predictors of Phthalate and Bisphenol Exposures in Pregnant Women. Adv Nutr 2019; 10:803-815. [PMID: 31144713 PMCID: PMC6743849 DOI: 10.1093/advances/nmz029] [Citation(s) in RCA: 91] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 01/24/2019] [Accepted: 03/07/2019] [Indexed: 12/28/2022] Open
Abstract
Endocrine disrupting chemicals (EDCs) can disrupt fetal developmental processes during pregnancy, leading to long-term adverse outcomes in humans. A major source of exposure to EDCs, such as phthalates and bisphenols, is the food supply, primarily due to contamination from processing and packaging. Therefore, this review aimed to 1) review food-monitoring sources of phthalates and bisphenols, and 2) evaluate methodologies and provide future directions needed to establish EDC-limiting dietary recommendations in pregnancy. Using PubMed, 10 peer-reviewed studies were found on dietary predictors of EDC exposure in pregnancy, and all were selected for review. Use of plastic containers in pregnancy was associated with higher urinary phthalate metabolites, whereas canned food consumption was associated with higher urinary bisphenol A (BPA) concentrations. Foods and dietary patterns associated with healthier food choices (e.g., organic/grown/raised/caught foods, folic acid supplements, vegetarianism) were generally associated with lower urinary phthalate metabolite and BPA concentrations. Despite the many food-monitoring studies reporting high BPA and phthalate concentrations in various foods, the designs of most studies described here were not sufficiently robust to consistently detect associations of specific foods/food groups with phthalates and BPA. Given the limitations of currently available research, future studies should incorporate more valid questionnaires to accurately assess dietary EDC exposure, strive for concurrent diet and exposure assessment, and assess whether geographical and cultural differences modify associations of diet with gestational EDC exposures. Such progress will be critical for developing dietary recommendations that ensure the safety and health of pregnant women.
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Affiliation(s)
- Diana C Pacyga
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI
| | - Sheela Sathyanarayana
- Department of Pediatrics
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA
- Seattle Children's Research Institute, Seattle, WA
| | - Rita S Strakovsky
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI
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104
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García Ibarra V, Rodríguez Bernaldo de Quirós A, Paseiro Losada P, Sendón R. Non-target analysis of intentionally and non intentionally added substances from plastic packaging materials and their migration into food simulants. Food Packag Shelf Life 2019. [DOI: 10.1016/j.fpsl.2019.100325] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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105
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Jarošová A, Jandlová M, Kameník J. Effect of sous-vide heat treatment on the phthalic acid esters content in meat. POTRAVINARSTVO 2019. [DOI: 10.5219/1081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The aim of the study was to monitor the migration of the phthalic acid esters dibutyl phthalate (DBP) and di-2-ethylhexyl phthalate (DEHP) from packaging to meat wrapped in plastic when heat treated by sous-vide method. A heat treatment temperature of 80 °C was used for 4 and 8 hours with reheating at 80 °C for 1 hour. The average DBP and DEHP concentrations in meat ranged from 2.24 to 4.66 mg.kg-1 and 2.29 to 10.35 mg.kg-1 of the original sample, respectively. The average DBP and DEHP concentrations found in plastic packaging ranged from 3.06 to 6.37 µg.g-1 and 5.70 to 7.83 µg.g-1 of plastic, respectively. The average concentrations of DBP in water bath range from 16.25 to 23.38 µg.l-1, while the average concentrations of DEHP in water bath were determined between 0.24 and 1.82 µg.l-1. The above results were compared with the results measured at sous-vide treatment temperature of 70 °C for 4 hours, 8 hours, and with 1 hour of reheating. The average concentrations of DBP and DEHP in all meat samples exceeded the specific migration limits of both phthalates (0.3 mg.kg-1 for DBP and 1.5 mg.kg-1 for DEHP).
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106
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Howell BA, Lazar ST. Biobased Plasticizers from Glycerol/Adipic Acid Hyperbranched Poly(ester)s. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b03869] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Bob A. Howell
- Center for Applications in Polymer Science, Department of Chemistry and Biochemistry, Central Michigan University, Mt. Pleasant, Michigan 48859-0001, United States
| | - Simone T. Lazar
- Center for Applications in Polymer Science, Department of Chemistry and Biochemistry, Central Michigan University, Mt. Pleasant, Michigan 48859-0001, United States
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107
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Alfatah M, Wong JH, Kong KW, Utama F, Hoon S, Arumugam P. Chemical-genetic interaction landscape of mono-(2-ethylhexyl)-phthalate using chemogenomic profiling in yeast. CHEMOSPHERE 2019; 228:219-231. [PMID: 31029968 DOI: 10.1016/j.chemosphere.2019.04.100] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 03/07/2019] [Accepted: 04/13/2019] [Indexed: 06/09/2023]
Abstract
Integration of chemical-genetic interaction data with biological functions provides a mechanistic understanding of how toxic compounds affect cells. Mono-(2-ethylhexyl)-phthalate (MEHP) is an active metabolite of di-(2-ethylhexyl)-phthalate (DEHP), a commonly used plasticizer. MEHP adversely affects human health causing hepatotoxicity and reproductive toxicity. How MEHP affects cellular physiology is not fully understood. We utilized a genome-wide competitive fitness-based assay called 'chemogenomic profiling' to determine the genetic interaction map of MEHP in Saccharomyces cerevisiae. Gene Ontology enrichment analysis of 218 genes that provide resistance to MEHP indicated that MEHP affects seven cellular processes namely: (1) cellular amino acid biosynthetic process, (2) sterol biosynthetic process, (3) cellular transport, (4) transcriptional and translational regulation, (5) protein glycosylation, (6) cytokinesis and cell morphogenesis and (7) ionic homeostasis. We show that MEHP protects yeast cells from membrane perturbing agents such as amphotericin B, dihydrosphingosine and phytosphingosine. Moreover, we also demonstrate that MEHP compromises the integrity of the yeast plasma membrane and cell wall. Our work provides a basis for further investigation of MEHP toxicity in humans.
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Affiliation(s)
- Mohammad Alfatah
- Bioinformatics Institute, 30 Biopolis Street, #07-01, Matrix, Singapore 138671, Singapore.
| | - Jin Huei Wong
- Bioinformatics Institute, 30 Biopolis Street, #07-01, Matrix, Singapore 138671, Singapore
| | - Kiat Whye Kong
- Molecular Engineering Laboratory, 61 Biopolis Drive, #03-12 Proteos, Singapore 13867, Singapore
| | - Felix Utama
- School of Chemical and Life Sciences, Singapore Polytechnic, 500 Dover Road, Singapore 139651, Singapore
| | - Shawn Hoon
- Molecular Engineering Laboratory, 61 Biopolis Drive, #03-12 Proteos, Singapore 13867, Singapore
| | - Prakash Arumugam
- Bioinformatics Institute, 30 Biopolis Street, #07-01, Matrix, Singapore 138671, Singapore.
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108
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How CM, Yen PL, Wei CC, Li SW, Liao VHC. Early life exposure to di(2-ethylhexyl)phthalate causes age-related declines associated with insulin/IGF-1-like signaling pathway and SKN-1 in Caenorhabditis elegans. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 251:871-878. [PMID: 31234252 DOI: 10.1016/j.envpol.2019.04.141] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 04/30/2019] [Accepted: 04/30/2019] [Indexed: 06/09/2023]
Abstract
Di(2-ethylhexyl)phthalate (DEHP) is an ubiquitous and emerging contaminant that is widely present in food, agricultural crop, and the environment, posing a potential risk to human health. This study utilized the nematode Caenorhabditis elegans to decipher the toxic effects of early life exposure to DEHP on aging and its underlying mechanisms. The results showed that exposure to DEHP at 0.1 and 1.5 mg/L inhibited locomotive behaviors. In addition, DEHP exposure significantly shortened the mean lifespan of the worms and further adversely affected pharyngeal pumping rate and defecation cycle in aged worms. Moreover, DEHP exposure also further enhanced accumulation of age-related biomarkers including lipofuscin, lipid peroxidation, and intracellular reactive oxygen species in aged worms. In addition, exposure to DEHP significantly suppressed gene expression of hsp-16.1, hsp-16.49, and hsp-70 in aged worms. Further evidences showed that mutation of genes involved in insulin/IGF-1-like signaling (IIS) pathway (daf-2, age-1, pdk-1, akt-1, akt-2, and daf-16) restored lipid peroxidation accumulation upon DEHP exposure in aged worms, whereas skn-1 mutation resulted in enhanced lipid peroxidation accumulation. Therefore, IIS and SKN-1 may serve as an important molecular basis for DEHP-induced age-related declines in C. elegans. Since IIS and SKN-1 are highly conserved among species, the age-related declines caused by DEHP exposure may not be exclusive in C. elegans, leading to adverse human health consequences due to widespread and persistent DEHP contamination in the environment.
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Affiliation(s)
- Chun Ming How
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, 106, Taiwan
| | - Pei-Ling Yen
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, 106, Taiwan
| | - Chia-Cheng Wei
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, 106, Taiwan
| | - Shang-Wei Li
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, 106, Taiwan
| | - Vivian Hsiu-Chuan Liao
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, 106, Taiwan.
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109
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Fan JC, Ren R, Jin Q, He HL, Wang ST. Detection of 20 phthalate esters in breast milk by GC-MS/MS using QuEChERS extraction method. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2019; 36:1551-1558. [DOI: 10.1080/19440049.2019.1646435] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Ji-Cai Fan
- Laboratory of Chemistry and Physics, Hangzhou Center for Disease Control and Prevention, Hangzhou, P. R. China
| | - Ren Ren
- Laboratory of Chemistry and Physics, Hangzhou Center for Disease Control and Prevention, Hangzhou, P. R. China
| | - Quan Jin
- Laboratory of Chemistry and Physics, Hangzhou Center for Disease Control and Prevention, Hangzhou, P. R. China
| | - Hua-Li He
- Laboratory of Chemistry and Physics, Hangzhou Center for Disease Control and Prevention, Hangzhou, P. R. China
| | - Shu-Ting Wang
- Laboratory of Chemistry and Physics, Hangzhou Center for Disease Control and Prevention, Hangzhou, P. R. China
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110
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Lunderberg DM, Kristensen K, Liu Y, Misztal PK, Tian Y, Arata C, Wernis R, Kreisberg N, Nazaroff WW, Goldstein AH. Characterizing Airborne Phthalate Concentrations and Dynamics in a Normally Occupied Residence. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:7337-7346. [PMID: 31180211 DOI: 10.1021/acs.est.9b02123] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Phthalate esters, commonly used as plasticizers, can be found indoors in the gas phase, in airborne particulate matter, in dust, and on surfaces. The dynamic behavior of phthalates indoors is not fully understood. In this study, time-resolved measurements of airborne phthalate concentrations and associated gas-particle partitioning data were acquired in a normally occupied residence. The vapor pressure and associated gas-particle partitioning of measured phthalates influenced their airborne dynamic behavior. Concentrations of higher vapor pressure phthalates correlated well with indoor temperature, with little discernible influence from direct occupant activity. Conversely, occupant-related behaviors substantially influenced the concentrations and dynamic behavior of a lower vapor pressure compound, diethylhexyl phthalate (DEHP), mainly through production of particulate matter during cooking events. The proportion of airborne DEHP in the particle phase was experimentally observed to increase under higher particle mass concentrations and lower indoor temperatures in correspondence with theory. Experimental observations indicate that indoor surfaces of the residence are large reservoirs of phthalates. The results also indicate that two key factors influenced by human behavior-temperature and particle mass concentration-cause short-term changes in airborne phthalate concentrations.
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Affiliation(s)
- David M Lunderberg
- Department of Chemistry , University of California , Berkeley , California , United States
- Department of Environmental Science, Policy, and Management , University of California , Berkeley , California , United States
| | - Kasper Kristensen
- Department of Environmental Science, Policy, and Management , University of California , Berkeley , California , United States
| | - Yingjun Liu
- Department of Environmental Science, Policy, and Management , University of California , Berkeley , California , United States
| | - Pawel K Misztal
- Department of Environmental Science, Policy, and Management , University of California , Berkeley , California , United States
| | - Yilin Tian
- Department of Environmental Science, Policy, and Management , University of California , Berkeley , California , United States
- Department of Civil and Environmental Engineering , University of California , Berkeley , California , United States
| | - Caleb Arata
- Department of Chemistry , University of California , Berkeley , California , United States
- Department of Environmental Science, Policy, and Management , University of California , Berkeley , California , United States
| | - Rebecca Wernis
- Department of Environmental Science, Policy, and Management , University of California , Berkeley , California , United States
- Department of Civil and Environmental Engineering , University of California , Berkeley , California , United States
| | - Nathan Kreisberg
- Aerosol Dynamics Inc. , Berkeley , California 94710 , United States
| | - William W Nazaroff
- Department of Civil and Environmental Engineering , University of California , Berkeley , California , United States
| | - Allen H Goldstein
- Department of Environmental Science, Policy, and Management , University of California , Berkeley , California , United States
- Department of Civil and Environmental Engineering , University of California , Berkeley , California , United States
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111
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Carnevali O, Santobuono M, Forner-Piquer I, Randazzo B, Mylonas CC, Ancillai D, Giorgini E, Maradonna F. Dietary diisononylphthalate contamination induces hepatic stress: a multidisciplinary investigation in gilthead seabream (Sparus aurata) liver. Arch Toxicol 2019; 93:2361-2373. [PMID: 31230093 DOI: 10.1007/s00204-019-02494-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 06/17/2019] [Indexed: 02/07/2023]
Abstract
In this study, adult gilthead seabream (Sparus aurata) were exposed for 21 days to Di-iso-nonylphthalte (DiNP at 15 and 1500 μg kg-1 bw day-1) via the diet. This plastic additive has been recently introduced to replace the di-(2-ethylhexyl)phthalate, the toxicity of which has been demonstrated conclusively both in vivo and in vitro trials. An analysis of a set of biomarkers involved in stress and immune response provides evidence of hepatic toxicity by DiNP in the present study. Both hsp70 and gr mRNA levels were upregulated significantly by DiNP, while plasma cortisol increased only in fish fed with the lowest DiNP dose. The oxidative stress markers g6pdh, glut red, gpx1 and CAT were upregulated by DiNP; gst mRNA was induced by the high dose and gck mRNA was downregulated significantly by the low dose. The mRNA levels of genes involved in the immune response, such as pla2, 5-lox, tnfa and cox2, were upregulated significantly only by the high dose of DiNP, while il1 mRNA increases in both doses. These molecular evidences were complemented with features obtained by Fourier Transform Infrared Imaging (FTIRI) analysis regarding the hepatic distribution of the main biological macromolecules. The FTIRI analysis showed an alteration of biochemical composition in DiNP samples. In particular, the low dose of DiNP induced an increase of saturated and unsaturated lipids and phosphorylated proteins, and a decrease of glycogen levels. The levels of caspase did not change significantly in the study, suggesting that DiNP does not activate apoptosis. Finally, the results also suggested the onset of hepatic oxidative stress and the activation of immune response, adding new knowledge to the already described hepatic DiNP toxicity.
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Affiliation(s)
- Oliana Carnevali
- Dipartimento Scienze Della Vita e dell'Ambiente, Università Politecnica Delle Marche, Via Brecce Bianche, 60131, Ancona, Italy
| | - Martina Santobuono
- Dipartimento Scienze Della Vita e dell'Ambiente, Università Politecnica Delle Marche, Via Brecce Bianche, 60131, Ancona, Italy
| | - Isabel Forner-Piquer
- Dipartimento Scienze Della Vita e dell'Ambiente, Università Politecnica Delle Marche, Via Brecce Bianche, 60131, Ancona, Italy
| | - Basilio Randazzo
- Dipartimento Scienze Della Vita e dell'Ambiente, Università Politecnica Delle Marche, Via Brecce Bianche, 60131, Ancona, Italy
| | - Constantinos C Mylonas
- Institute of Marine Biology, Biotechnology and Aquaculture, Hellenic Center for Marine Research, P.O. Box 2214, 71003, Heraklion, Crete, Greece
| | - Daniele Ancillai
- Dipartimento Scienze Della Vita e dell'Ambiente, Università Politecnica Delle Marche, Via Brecce Bianche, 60131, Ancona, Italy
| | - Elisabetta Giorgini
- Dipartimento Scienze Della Vita e dell'Ambiente, Università Politecnica Delle Marche, Via Brecce Bianche, 60131, Ancona, Italy
| | - Francesca Maradonna
- Dipartimento Scienze Della Vita e dell'Ambiente, Università Politecnica Delle Marche, Via Brecce Bianche, 60131, Ancona, Italy.
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112
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Shen Q, Tao W, Guo Y, Wang S, Wang Y, Zheng EM, Chen Z, Chen K. Quantitative structure-retention relationships of the chromatographic retentions of phthalic acid ester contaminants in foods. J Sep Sci 2019; 42:2771-2778. [PMID: 31216092 DOI: 10.1002/jssc.201900372] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 05/27/2019] [Accepted: 06/13/2019] [Indexed: 11/08/2022]
Abstract
The harmful health effects caused by phthalic acid esters have been supported from the increasing scientific evidence, developing the efficient methodologies to monitor the levels of phthalic acid esters in various foods become especially important from the aspects of human exposure assessment and their migration mechanistic understanding. In this study, quantitative structure-retention relationship studies on both the gas and liquid chromatographic retention times of 23 phthalic acid esters were performed by genetic function approximation, and the optimal quantitative structure-retention relationship models (r2 > 0.980, r2 CV > 0.960, and r2 pred > 0.865) passed the statistical tests of cross-validation, randomization, external prediction, Roy' rm 2 metrics, Golbraikh-Tropsha' criteria and applicability domain. The established predictive models elucidate the structural requirements for the retention of phthalic acid esters over different chromatographic columns, which were finally used to predict the retention times of 11 new phthalic acid esters. Hopefully, this work could provide useful guidelines for better understanding and accurate prediction of the retention behavior of undetermined phthalic acid esters when lacking standard samples or under poor experimental conditions, and make the simultaneous identification and quantification of numerous phthalic acid esters possible.
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Affiliation(s)
- Qianqian Shen
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, P. R. China
| | - Wenwen Tao
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, P. R. China
| | - Yujie Guo
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, P. R. China
| | - Shijia Wang
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, P. R. China
| | - Yanfei Wang
- Tai zhou Institute of Testing for Quality Technical Supervision, Taizhou, P. R. China
| | - Er Mei Zheng
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, P. R. China
| | - Zhongxiu Chen
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, P. R. China
| | - Kexian Chen
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, P. R. China
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113
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Wu J, Li J, Chen Y, Bao X, Tang H, Ma S, Zhou S, Xu M, Tao J, Wang W, Wang X. Preconcentration/Extraction of Phthalate Esters in Milk Samples Using MFe2O4-Based Magnetic Ionic Liquid Effervescent Tablets Consisting of Accessory Functional Fillers. FOOD ANAL METHOD 2019. [DOI: 10.1007/s12161-019-01535-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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114
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Moreira Fernandez MA, Cardeal ZL, Carneiro MM, André LC. Study of possible association between endometriosis and phthalate and bisphenol A by biomarkers analysis. J Pharm Biomed Anal 2019; 172:238-242. [PMID: 31063881 DOI: 10.1016/j.jpba.2019.04.048] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 04/25/2019] [Accepted: 04/26/2019] [Indexed: 11/28/2022]
Abstract
Endocrine disrupting chemicals (EDCs) such as phthalates and bisphenol A (BPA) are substances that may interfere with the actions of endogenous hormones and may be associated with estrogen-related diseases such as endometriosis. This paper describes a case-control study to evaluate the relationship between endometriosis and phthalates and BPA exposure, through biomarkers analysis in urine. The biomarkers of exposure analyzed were metabolites mono-methyl phthalate, mono-isobutyl phthalate (MiBP), mono-butyl phthalate, mono-cyclohexyl phthalate, mono-(ethylhexyl) phthalate, mono-isononyl phthalate, mono-octyl phthalate (MOP), mono-benzyl phthalate and BPA. Urine samples were collected from women aged 18-45 years old. The Study group (n = 30) and Control group (n = 22) were composed of women using as criteria confirmation of endometriosis by videolaparoscopy surgery with histological diagnosis and the absence of the disease, respectively. The analytical method used liquid phase microextraction with determination by gas chromatography coupled to mass spectrometry. The concentrations of biomarkers were adjusted by the creatinine concentration in urine samples of the two groups. The values obtained for the Study Group were compared with the values obtained for the Control Group. The chi-square test and Odds Ratio were used to compare dichotomized phthalate metabolites and BPA metabolite by endometriosis. All nine metabolites were found in different concentrations in the urine samples in both groups The phthalate metabolites that had the highest concentrations, were MOP and MiBP, in which the values of 670 μg g-1 and 560 μg g-1, respectively. The relationship between endometriosis and the all grouped metabolites was evaluated, but was not statistically significant with a 95% CI [X2 (df = 1) = 1.471; p = 0.225]. However, odds ratio (95% confidence interval - CI) for MiBP, which was found at relatively high concentrations in the samples, by endometriosis was 1.929 (0.507-7.332). The food habits and gynecologic history were evaluated and no difference was found between groups. Although no evidences of causal link was found, this study contributes to show that other analysis must be done for evaluating the association between endometriosis and compounds suspected of being EDC.
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Affiliation(s)
| | - Zenilda Lourdes Cardeal
- Departamento de Química, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Belo Horizonte, MG, 31270901, Brazil
| | - Márcia Mendonça Carneiro
- Departamento de Ginecologia e Obstetrícia, Universidade Federal de Minas Gerais, Av. Antônio Carlos, Pampulha 6627, Belo Horizonte MG, 31270901, Brazil
| | - Leiliane Coelho André
- Departamento de Análises Clínicas e Toxicológicas, Universidade Federal de Minas Gerais, Av. Antônio Carlos, Pampulha 6627, Belo Horizonte, MG, 31270901, Brazil.
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115
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García Ibarra V, Sendón R, Bustos J, Paseiro Losada P, Rodríguez Bernaldo de Quirós A. Estimates of dietary exposure of Spanish population to packaging contaminants from cereal based foods contained in plastic materials. Food Chem Toxicol 2019; 128:180-192. [PMID: 30974151 DOI: 10.1016/j.fct.2019.04.003] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 03/04/2019] [Accepted: 04/03/2019] [Indexed: 11/18/2022]
Abstract
Food packaging may be a potential source of contamination, through the migration of chemicals from the packaging into the food, thus food consumption is an important route of human exposure to packaging contaminants. In the present study an approach to estimate the exposure to different chemicals transferred from food packaging was designed. As a first step a GC-MS screening was conducted to identify potential contaminants in the materials. Secondly, different chemicals previously identified in the packaging materials were selected for exposure assessment. The proposed methodology was applied to cereal based foods packed with plastic packaging. A variety of chemicals including e.g. acetyl tributyl citrate (ATBC), bis (2-ethylhexyl) adipate (DEHA) and diethyl phthalate (DEP) among others were identified and analyzed in the foodstuffs. For this purpose a LC-MS/MS method was developed. The selected foodstuffs were pooled into three groups according to the population age (12-35 months, 3-9 years and 10-17 years) and based on the Spanish consumption data (Enalia). In general, ATBC mean exposure was higher than that of phthalates and DEHA for the three groups considered, with mean dietary exposure values ranging from 1.01 μg/kg bw/day (pool 12-35 months) to 2.01 μg/kg bw/day (pool 3-9 years).
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Affiliation(s)
- Verónica García Ibarra
- Faculty of Pharmacy, Department of Analytical Chemistry, Nutrition and Food Science, University of Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - Raquel Sendón
- Faculty of Pharmacy, Department of Analytical Chemistry, Nutrition and Food Science, University of Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - Juana Bustos
- National Food Centre, Spanish Agency for Consumer Affairs, Food Safety and Nutrition, 28220, Majadahonda, Spain
| | - Perfecto Paseiro Losada
- Faculty of Pharmacy, Department of Analytical Chemistry, Nutrition and Food Science, University of Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - Ana Rodríguez Bernaldo de Quirós
- Faculty of Pharmacy, Department of Analytical Chemistry, Nutrition and Food Science, University of Santiago de Compostela, 15782, Santiago de Compostela, Spain.
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116
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Ge S, Yan B, Huang J, Chen Y, Chen M, Yang X, Wu Y, Shen D, Ma P. Diisodecyl phthalate aggravates the formaldehyde-exposure-induced learning and memory impairment in mice. Food Chem Toxicol 2019; 126:152-161. [DOI: 10.1016/j.fct.2019.02.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2018] [Revised: 02/10/2019] [Accepted: 02/11/2019] [Indexed: 01/21/2023]
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117
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Gorji S, Biparva P, Bahram M, Nematzadeh G. Development of magnetic solid phase microextraction method for determination of the endocrine disrupting chemicals leached from reused plastic bottles. Talanta 2019; 194:859-869. [DOI: 10.1016/j.talanta.2018.11.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 10/28/2018] [Accepted: 11/01/2018] [Indexed: 10/27/2022]
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118
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Zhu Q, Jia J, Zhang K, Zhang H, Liao C, Jiang G. Phthalate esters in indoor dust from several regions, China and their implications for human exposure. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 652:1187-1194. [PMID: 30586805 DOI: 10.1016/j.scitotenv.2018.10.326] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 09/14/2018] [Accepted: 10/24/2018] [Indexed: 06/09/2023]
Abstract
Phthalate esters (PAEs) have been used in large quantities all over the world for decades, leading to ubiquitous occurrence in the indoor environment. Indoor dust samples were collected from six geographical regions in China (n = 120) and the concentrations, profiles and human exposure to nine prevalent PAEs from dust were investigated in this study. The total concentrations of nine PAEs (Σ9PAEs) varied from 2.31 to 1590 μg/g (mean: 150 μg/g). The highest concentration of Σ9PAEs was found for dusts from the geographical region of Northeast China (mean: 394 μg/g), which was nearly 8 times higher than that of the lowest value for dusts from the Southwest China (52.1 μg/g). The sum concentrations of six priority controlled PAEs, namely dimethyl phthalate (DMP), diethyl phthalate (DEP), di-n-butyl phthalate (DBP), benzyl butyl phthalate (BzBP), bis (2-ethylhexyl) phthalate (DEHP) and di-n-octyl phthalate (DNOP), in our study (mean: 133 μg/g) were lower than those found in other regions of the world (230-1280 μg/g) reported in earlier studies. DEHP, DBP and di-iso-butyl phthalate (DIBP) were the major congeners found in all dust samples, cumulatively accounting for 98.7% of Σ9PAEs. The daily intake (DI) of PAEs via dust through the routes of ingestion, inhalation and dermal contact was estimated. Comparably, dust ingestion is the major pathway of human exposure to PAEs from dust and the DI values through dust ingestion were 985 ng/kg/day for children and 126 ng/kg/day for adults in China, respectively. The contribution of indoor dust to the total exposure of human to PAEs varied, depending on the type of PAE congeners. Among PAE congeners, DEHP was the predominant contributor, accounting for 3.45% and 2.39% of the estimated total DIs for Chinese children and adults, respectively. This indicates that indoor dust is an important source of human exposure to certain PAE congeners.
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Affiliation(s)
- Qingqing Zhu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiabao Jia
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; College of Life Science, Shanxi University, Taiyuan, Shanxi 030006, China
| | - Kegang Zhang
- Department of Environmental Science and Engineering, North China Electric Power University, Baoding, Hebei 071003, China
| | - He Zhang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chunyang Liao
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Guibin Jiang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
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119
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Shi N, Liu D, Dang F, Chen Q, Li M, Wen F. Bifunctional and recyclable Dawson-type polyoxometalates catalyze oxidative degradation of lignocellulose to selectively produce phthalates. BIORESOURCE TECHNOLOGY 2019; 273:677-681. [PMID: 30472040 DOI: 10.1016/j.biortech.2018.11.047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 11/11/2018] [Accepted: 11/12/2018] [Indexed: 06/09/2023]
Abstract
Acid-redox bifunctional Dawson-type polyoxometalates K6P2W18O62 (P2W18) and K10P2W17O61 (P2W17) were introduced as the new-type catalysts in oxidative decomposition of lignocellulose. The lignin and hemicellulose ingredients of lignocellulose could be decomposed by P2W17 to produce diisobutyl phthalate with the selectivity of 75.67% and other aromatic and aliphatic compounds under mild conditions, evidently differed from other POMs-catalyzed lignocellulose depolymerization in which aromatic ketones and phenols were the main compounds. Diisobutyl phthalate was obtained from the oxidation of Cα-OR and α-OH of the phenyl structure. The catalyst could be recycled for three times without obvious deactivation. This is the first report of lignocellulose decomposition catalyzed by Dawson-type polyoxometalates to selectively produce phthalates.
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Affiliation(s)
- Nan Shi
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao, Shandong 266580, China
| | - Dong Liu
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao, Shandong 266580, China.
| | - Falu Dang
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao, Shandong 266580, China
| | - Qingtai Chen
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao, Shandong 266580, China
| | - Min Li
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao, Shandong 266580, China
| | - Fushan Wen
- College of Science, China University of Petroleum, Qingdao, Shandong 266580, China
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120
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Zhu F, Zhu C, Zhou D, Gao J. Fate of di (2-ethylhexyl) phthalate and its impact on soil bacterial community under aerobic and anaerobic conditions. CHEMOSPHERE 2019; 216:84-93. [PMID: 30359920 DOI: 10.1016/j.chemosphere.2018.10.078] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2018] [Revised: 10/11/2018] [Accepted: 10/12/2018] [Indexed: 06/08/2023]
Abstract
In this study, we examined the influence of oxygen on the degradation of di (2-ethylhexyl) phthalate (DEHP), the accumulation of its monoester metabolite mono (2-ethylhexyl) phthalate (MEHP) and their impact on soil bacterial communities. Soil microcosms artificially contaminated with DEHP (0, 100 and 1000 mg kg-1) were incubated under aerobic and anaerobic flooded conditions, and sacrificed after 0, 21 and 42 days. The results indicated that DEHP degradation proceeded at similar rates in aerobic and anaerobic flooded soils, but accumulation of metabolite MEHP was more likely to occur in anaerobic soils. Moreover, MEHP generated from DEHP degradation seemed to be readily released into the water phase, which may arouse health concerns. Illumina Miseq sequencing showed that MEHP had a greater impact on soil bacterial community than DEHP at the same dosage, and a wide range of bacterial phylotypes were inhibited by MEHP under anaerobic conditions. High DEHP contamination (1000 mg kg-1) significantly reduced bacterial diversity and altered bacterial community structure under anaerobic conditions, but not under aerobic conditions. Firmicutes was constantly inhibited by DEHP under both aerobic (Bacillus) and anaerobic (unclassified Clostridiales Family_XVIII) conditions. On the other hand, bacterial phylotypes belonging to Actinobacteria, β-Proteobacteria and Gemmatimonadaceae were constantly enriched by DEHP in anaerobic soils, however no such a clear pattern existed in aerobic soils. This work greatly expanded our understanding of the fate of DEHP and its modifying effect on bacterial communities under different environmental conditions.
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Affiliation(s)
- Fengxiao Zhu
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, PR China
| | - Changyin Zhu
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Dongmei Zhou
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, PR China
| | - Juan Gao
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, PR China.
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121
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Wu H, Wu LH, Wang F, Gao CJ, Chen D, Guo Y. Several environmental endocrine disruptors in beverages from South China: occurrence and human exposure. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:5873-5884. [PMID: 30612374 DOI: 10.1007/s11356-018-3933-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Accepted: 12/06/2018] [Indexed: 06/09/2023]
Abstract
Environmental endocrine disruptors (EEDs) in beverages may enter the human body by ingestion and thus may represent a potential health risk. In this study, phthalates, bisphenol A, and its analogues, parabens, benzophenone-type UV filters, and triclosan (TCS) were analyzed in beverage samples (n = 116) collected from local markets in Guangzhou, South China. Twelve of 30 target compounds were found in > 50% samples, and for the first time, TCS was found in a majority of beverages from China (~ 80%). Among all analytes, concentrations of total phthalates (median = 14.4 ng/mL) were generally two orders of magnitude higher than other target EEDs, and concentrations of total benzophenone-type UV filters (0.02 ng/mL) and TCS (0.01 ng/mL) were the lowest. Among all targets, phthalates were predominant, accounting for > 99% of the total EEDs, and dimethyl phthalate was frequently detected in beverages (> 60%). In addition, we estimated the daily intake (EDI) of EEDs for Chinese populations of different age groups based on the daily consumption of beverages. The EDIs of total EEDs were the highest for toddlers (mean = 14,200 ng/kg-bw/day) followed by children and teenagers (3420 ng/kg-bw/day), adults (1950 ng/kg-bw/day), the elderly (1740 ng/kg-bw/day), and infants (70 ng/kg-bw/day). Compared to all food categories, EEDs from beverage consumption accounted for ~ 0.1% (parabens) to 20% (phthalates) of total exposure from diet. However, intakes of phthalates, bisphenols, and TCS from beverages were comparable to those from other potential sources (food, dust, personal care products, cloth, and medicines). Furthermore, the cumulative risks of EEDs by beverage consumption were not high, which indicated that EEDs in beverages might not represent a potential human health risk for Chinese populations.
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Affiliation(s)
- Hong Wu
- School of Environment, Guangzhou Key Laboratory of Environmental Exposure and Health, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, 510632, China
| | - Liu-Hong Wu
- School of Environment, Guangzhou Key Laboratory of Environmental Exposure and Health, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, 510632, China
| | - Fei Wang
- School of Environment, Guangzhou Key Laboratory of Environmental Exposure and Health, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, 510632, China
| | - Chong-Jing Gao
- School of Environment, Guangzhou Key Laboratory of Environmental Exposure and Health, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, 510632, China
| | - Da Chen
- School of Environment, Guangzhou Key Laboratory of Environmental Exposure and Health, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, 510632, China
| | - Ying Guo
- School of Environment, Guangzhou Key Laboratory of Environmental Exposure and Health, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, 510632, China.
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122
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Tu D, Garza JT, Coté GL. A SERS aptasensor for sensitive and selective detection of bis(2-ethylhexyl) phthalate. RSC Adv 2019; 9:2618-2625. [PMID: 31681474 PMCID: PMC6823992 DOI: 10.1039/c8ra09230c] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Bis(2-ethylhexyl)phthalate (DEHP) is an endocrine disruptor commonly present in plastic products, such as PVC tubes and water bottles. In this work, a surface enhanced Raman spectroscopy (SERS) based aptasensor was developed and utilized for rapid, easy, sensitive, and specific detection of trace DEHP. A DEHP aptamer was immobilized on magnetic particles. Raman reporter molecule conjugated silver nanoparticles were clustered and coated with silica to provide a stable SERS signal. The SERS silica particle was then functionalized with 1,2,4-benzenetricarboxylic acid 1,2-bis(2-ethylhexyl) ester to increase its affinity to the DEHP aptamer. In the presence of a sample with DEHP, the high-affinity SERS silica particle competes with the DEHP molecule to bind with the aptamer on the magnetic particle. By measuring the signal of free SERS silica particles in the supernatant after magnetic separation, the concentration of DEHP in the sample was quantitatively determined. The developed DEHP aptasensor had a detection range from 0.008 to 182 nM and a limit of detection (LOD) of 8 pM. The aptasensor also showed high selectivity when exposed to interferents with analogous structures. The aptasensor was successfully tested for the detection of DEHP spiked in tap water, bottled water, and a carbonate beverage. The developed SERS-based aptasensor provides a rapid, sensitive, and easy-to-use method for the quantitative detection of DEHP in environmental and food analysis. This paper reports a SERS aptasensor developed to detect DEHP at relevant ranges with ultrasensitive performance and good selectivity.![]()
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Affiliation(s)
- Dandan Tu
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas 77843, United States
| | - Javier T Garza
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas 77843, United States.,Center for Remote Health Technologies & Systems, Texas A&M Engineering Experiment Station, College Station, Texas 77843, United States
| | - Gerard L Coté
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas 77843, United States.,Center for Remote Health Technologies & Systems, Texas A&M Engineering Experiment Station, College Station, Texas 77843, United States
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123
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Hsieh CJ, Chang YH, Hu A, Chen ML, Sun CW, Situmorang RF, Wu MT, Wang SL. Personal care products use and phthalate exposure levels among pregnant women. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 648:135-143. [PMID: 30114584 DOI: 10.1016/j.scitotenv.2018.08.149] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 08/10/2018] [Accepted: 08/11/2018] [Indexed: 05/21/2023]
Abstract
BACKGROUND Fetuses are susceptible to phthalates, known endocrine disrupting chemicals, within sensitive windows of development. It is crucial to determine the major sources of phthalates to reduce exposure. This study aims to examine the associations between usage patterns of personal care products (PCPs) and urinary levels of phthalate metabolites across pregnancy in a multi-hospital based birth cohort. METHODS During 2012-2015, we conducted a birth cohort study named the Taiwan Mother Infant Cohort Study (TMICS). Usage patterns of PCPs were obtained using structured questionnaires during the third trimester of pregnancy. Spot urine samples were collected at each trimester, and levels of eleven phthalate metabolites were measured by liquid chromatography tandem mass spectrometry. The association of PCPs use with urinary phthalate metabolite concentrations was assessed using GEE models. RESULTS Among the 1676 pregnant women participated in TMICS, 281 who provided two or three urine samples across pregnancy were included. The levels of several phthalate metabolites were significantly associated with the use of PCPs, particularly leave-on PCPs. With the increasing use of skin toners (11.7%; 95% CI: 1.5%, 22.9%), lipsticks (13.2%; 95% CI: 4.6%, 22.5%), and essential oils (21.8%; 95% CI: 9.1%, 36.0%), individuals are exposed to higher concentrations of mono-ethyl phthalate (MEP). Additionally, a positive trend was found regarding the number of leave-on PCPs used and the measured change in MEP concentrations (P for trend = 0.01). Other positive associations included MBzP and body lotions (7.9%; 95% CI: 0.1%, 16.2%). With regard to rinse-off PCPs, we found a positive association between urinary MBzP and shampoo use, and a negative association between urinary MMP and face wash. CONCLUSION Leave-on PCPs were found to be a more probable source of phthalate exposure than the use of rinse-off PCPs. We suggest pregnant women reduce the frequency of leave-on PCPs use during pregnancy to avoid such phthalate exposure.
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Affiliation(s)
- Chia-Jung Hsieh
- Department of Public Health, Tzu Chi University, Hualien, Taiwan
| | - Yu-Hsun Chang
- Department of Pediatrics, Buddhist Tzu Chi General Hospital, Hualien, Taiwan
| | - Anren Hu
- Department of Laboratory Medicine and Biotechnology, Tzu Chi University, Hualian, Taiwan
| | - Mei-Lien Chen
- Institute of Environmental and Occupational Health Sciences, College of Medicine, National Yang Ming University, Taipei, Taiwan
| | - Chien-Wen Sun
- National Institute of Environmental Health Sciences, National Health Research Institutes, Miaoli, Taiwan
| | | | - Ming-Tsang Wu
- Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Public Health, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Family Medicine, Kaohsiung Medical University, Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Graduate Institute of Clinical Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
| | - Shu-Li Wang
- National Institute of Environmental Health Sciences, National Health Research Institutes, Miaoli, Taiwan; Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; School of Public Health, National Defense Medical Center, Taipei, Taiwan; Department of Safety, Health, and Environmental Engineering, National United University, Miaoli, Taiwan.
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124
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Sun C, Zhang G, Zheng H, Liu N, Shi M, Luo X, Chen L, Li F, Hu S. Fate of four phthalate esters with presence of Karenia brevis: Uptake and biodegradation. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 206:81-90. [PMID: 30468977 DOI: 10.1016/j.aquatox.2018.11.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 11/11/2018] [Accepted: 11/11/2018] [Indexed: 06/09/2023]
Abstract
Phthalate esters (PAEs), one class of the most frequently detected endocrine-disrupting chemicals (EDCs) in marine environment, have aroused wide public concerns because of their carcinogenicity, teratogenicity, and mutagenicity. However, the environmental fate of PAEs in the occurrence of harmful algal blooms remains unclear. In this research, four PAEs with different alkyl chains, i.e., dimethyl phthalate (DMP), diethyl phthalate (DEP), diallyl phthalate (DAP), and dipropyl phtalate (DPrP) were selected as models to investigate toxicity, uptake, and degradation of PAEs in seawater grown with K. brevis, one of the common harmful red tide species. The 96-h median effective concentration (96h-EC50) values followed the order of DMP (over 0.257 mmol L-1) > DEP (0.178 mmol L-1) > DAP (0.136 mmol L-1) > DPrP (0.095 mmol L-1), and the bio-concentration factors (BCFs) were positively correlated to the alkyl chain length. These results indicate that the toxicity of PAEs and their accumulation in K. brevis increased with increasing alkyl chains, due to the higher lipophicity of the longer chain PAEs. With growth of K. brevis for 96 h, the content of DMP, DEP, DAP, and DPrP decreased by 93.3%, 68.2%, 57.4% and 46.7%, respectively, mainly attributed to their biodegradation by K. brevis, accounting for 87.1%, 61%, 46%, 40% of their initial contents, respectively. It was noticed that abiotic degradation had little contribution to the total reduction of PAEs in the algal cultivation systems. Moreover, five metabolites were detected in the K. brevis when exposed to DEP including dimethyl phthalate (DMP), monoethyl phthalate (MEP), mono-methyl phthalate (MMP), phthalic acid (PA), and protocatechuic acid (PrA). While when exposed with to DPrP, one additional intermediate compound diethyl phthalate (DEP) was detected in the cells of K. brevis in addition to the five metabolites mentioned above. These results confirm that the main biodegradation pathways of DEP and DPrP by K. brevis included de-esterification, demethylation or transesterification. These findings will provide valuable evidences for predicting the environmental fate and assessing potential risk of PAEs in the occurrence of harmful algal blooms in marine environment.
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Affiliation(s)
- Cuizhu Sun
- Institute of Coastal Environmental Pollution Control, Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100, China; College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China
| | - Ge Zhang
- Institute of Coastal Environmental Pollution Control, Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100, China; College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China
| | - Hao Zheng
- Institute of Coastal Environmental Pollution Control, Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100, China; College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China.
| | - Ning Liu
- Institute of Coastal Environmental Pollution Control, Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100, China; College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China
| | - Mei Shi
- Institute of Coastal Environmental Pollution Control, Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100, China; College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China
| | - Xianxiang Luo
- Institute of Coastal Environmental Pollution Control, Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100, China; College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China
| | - Lingyun Chen
- Faculty of Agricultural, Life and Environmental Science, University of Alberta, Edmonton, AB, T6G 2P5, Canada
| | - Fengmin Li
- Institute of Coastal Environmental Pollution Control, Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100, China; College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China.
| | - Shugang Hu
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China
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125
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Howell BA, Lazar ST. Biobased Plasticizers from Carbohydrate-Derived 2,5-Bis(hydroxymethyl)furan. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b05442] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Bob A. Howell
- Center for Applications in Polymer Science, Department of Chemistry and Biochemistry, Central Michigan University, Mt. Pleasant, Michigan 48859-0001, United States
| | - Simone T. Lazar
- Center for Applications in Polymer Science, Department of Chemistry and Biochemistry, Central Michigan University, Mt. Pleasant, Michigan 48859-0001, United States
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126
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Hollow Fiber Stir Bar Sorptive Extraction Combined with GC–MS for the Determination of Phthalate Esters from Children’s Food. Chromatographia 2018. [DOI: 10.1007/s10337-018-3679-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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127
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Kuzukiran O, Yurdakok-Dikmen B, Sevin S, Sireli UT, Iplikcioglu-Cil G, Filazi A. Determination of selected endocrine disruptors in organic, free-range, and battery-produced hen eggs and risk assessment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:35376-35386. [PMID: 30343372 DOI: 10.1007/s11356-018-3400-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Accepted: 10/04/2018] [Indexed: 06/08/2023]
Abstract
An increasing amount of evidence suggests that phthalic acid esters (PAE), polychlorinated biphenyls (PCB), polybrominated diphenyl ethers (PBDE), and organochlorine pesticides (OCP) are related to mutagenic, carcinogenic, and endocrine disruptor effects (EDCs). These lipophilic compounds are highly resistant to breakdown processes, and consequently remain in the environment, followed by uptake into the food chain. Human exposure to lipophilic compounds results from the consumption of food containing EDCs, mainly foodstuffs of animal origin with a high fat content, since these contaminants accumulate in fatty tissues. Foodstuffs in which EDCs can accumulate include meat, fish, eggs, and milk. We investigated the contamination in edible eggs to determine whether relative differences in the contaminants' residue levels appeared in three types of egg production (i.e., battery, free-range, and organic). The results showed that PAEs, especially dimethyl phthalate contamination, was the most abundant in the battery eggs, and the PCBs, PBDEs, and OCPs were the most abundant in the free-range eggs. The eggs were contaminated by more than one chemical, and as many as five contaminants (PCB180, PBDE47, dimethyl phthalate, diethyl phthalate, and di-n-butyl phthalate in battery eggs, and PCB138, PCB153, PCB180, diethyl phthalate, and di-2-ethylhexyl phthalate in organic eggs) were detected in the same egg. However, none of the chemicals detected were at the maximum limit of acceptable risk.
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Affiliation(s)
- Ozgur Kuzukiran
- Veterinary Control Central Research Institute, Etlik, Ankara, Turkey
| | - Begum Yurdakok-Dikmen
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Ankara University, Ankara, Turkey
| | - Sedat Sevin
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Ankara University, Ankara, Turkey
| | - Ufuk Tansel Sireli
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, Ankara University, Ankara, Turkey
| | - Guzin Iplikcioglu-Cil
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, Ankara University, Ankara, Turkey
| | - Ayhan Filazi
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Ankara University, Ankara, Turkey.
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128
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Khoshmaram L, Abdolmohammad-Zadeh H, Ghaffarzadeh E. Air-assisted liquid-liquid extraction coupled with dispersive liquid-liquid microextraction and a drying step for extraction and preconcentration of some phthalate esters from edible oils prior to their determination by GC. J Sep Sci 2018; 42:736-743. [PMID: 30480371 DOI: 10.1002/jssc.201800555] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 09/22/2018] [Accepted: 11/19/2018] [Indexed: 11/09/2022]
Abstract
In this work, a new, cheap, simple, fast, and low organic solvent consuming procedure is proposed for isolation, enrichment, and gas chromatographic determination of some phthalate esters in edible oils. The method is based on a combination of air-assisted liquid-liquid extraction and dispersive liquid-liquid microextraction followed by a drying step under N2 gas. Several experimental parameters affecting both extraction and preconcentration steps were investigated and optimized. Under the optimum conditions for the proposed method, wide linear ranges (0.05-800 μg/L) and low detection limits (0.007-0.023 μg/L) were observed. The ranges of enrichment factors and extraction recoveries were 68-340 and 14-68%, respectively. Eventually, the target analytes were successfully determined in different edible oils using the proposed method.
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Affiliation(s)
- Leila Khoshmaram
- Department of Chemistry, Faculty of Sciences, Azarbaijan Shahid Madani University, Tabriz, Iran
| | | | - Elham Ghaffarzadeh
- Department of Chemistry, Faculty of Sciences, Azarbaijan Shahid Madani University, Tabriz, Iran
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129
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Howell BA, Sun W. Biobased Plasticizers from Tartaric Acid, an Abundantly Available, Renewable Material. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b03486] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Bob A. Howell
- Science of Advanced Materials Center for Applications in Polymer Science Department of Chemistry and Biochemistry, Central Michigan University Mt. Pleasant, Michigan 48859-0001, United States
| | - Wenxiao Sun
- Science of Advanced Materials Center for Applications in Polymer Science Department of Chemistry and Biochemistry, Central Michigan University Mt. Pleasant, Michigan 48859-0001, United States
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130
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Ramzi A, Gireeshkumar TR, Habeeb Rahman K, Manu M, Balachandran KK, Chacko J, Chandramohanakumar N. Distribution and contamination status of phthalic acid esters in the sediments of a tropical monsoonal estuary, Cochin - India. CHEMOSPHERE 2018; 210:232-238. [PMID: 30005344 DOI: 10.1016/j.chemosphere.2018.06.182] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 06/16/2018] [Accepted: 06/30/2018] [Indexed: 06/08/2023]
Abstract
Phthalic acid esters (PAEs) are a group of endocrine-disrupting chemicals listed as priority pollutants by United States Environmental Protection Agency (USEPA, 2009). This study provides baseline information on seasonal distribution and contamination status of six phthalic acid esters (∑6PAEs) in sediments of a tropical estuary (Cochin-India). In general, the sediments accumulated more PAEs during the post monsoon (mean 2325 ngg-1; between 1402 and 3121 ngg-1) and monsoon (mean 1372 ngg-1; between 331 and 4015 ngg-1) periods indicating land run off as the major transport pathway. Moderate run off and comparatively high residence time lead to effective sorption and settling of PAEs in the surface sediments during post monsoon season. Despite a high discharge of PAEs in to the water column, their deposition on to the sediments occurs at a lower rate during monsoon than that post monsoon season. PAEs were (mean 810 ngg-1; between 44 and 1722 ngg-1) lowest in pre monsoon season. The pre monsoon season is characterized by a minimal runoff consequent to the trapping of these organic pollutants in the river catchment area. The mid and high molecular PAEs (DEHP-Di ethylhexyl phthalate, BBP-Benzyl butyl phthalate and DnBP-Di-n-butyl phthalate) were the dominant congeners relative to the low molecular weight congeners (DMP-Dimethyl phthalate and DEP-Diethyl phthalate). DEHP and BBP levels exceeded permissible risk levels indicating a serious ecological hazard to the estuarine ecosystem.
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Affiliation(s)
- A Ramzi
- Inter University Centre for Development of Marine Biotechnology, School of Marine Sciences, Cochin University of Science and Technology, Kochi, 682016, India
| | - T R Gireeshkumar
- CSIR-National Institute of Oceanography, Regional Centre-Kochi, 682018, India
| | - K Habeeb Rahman
- Inter University Centre for Development of Marine Biotechnology, School of Marine Sciences, Cochin University of Science and Technology, Kochi, 682016, India; Department of Chemical Oceanography, School of Marine Sciences, Cochin University of Science and Technology, Kochi, 682016, India.
| | - Mohan Manu
- Inter University Centre for Development of Marine Biotechnology, School of Marine Sciences, Cochin University of Science and Technology, Kochi, 682016, India
| | - K K Balachandran
- CSIR-National Institute of Oceanography, Regional Centre-Kochi, 682018, India
| | - Jacob Chacko
- Department of Chemical Oceanography, School of Marine Sciences, Cochin University of Science and Technology, Kochi, 682016, India
| | - N Chandramohanakumar
- Inter University Centre for Development of Marine Biotechnology, School of Marine Sciences, Cochin University of Science and Technology, Kochi, 682016, India
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131
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Fast and sensitive determination of 10 forbidden phthalates in perfumes by ultra–high performance liquid chromatography–electrospray ionization–tandem mass spectrometry. J Chromatogr A 2018; 1578:45-52. [DOI: 10.1016/j.chroma.2018.10.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 10/04/2018] [Accepted: 10/09/2018] [Indexed: 01/09/2023]
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132
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Zhu F, Zhu C, Doyle E, Liu H, Zhou D, Gao J. Fate of di (2‑ethylhexyl) phthalate in different soils and associated bacterial community changes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 637-638:460-469. [PMID: 29754081 DOI: 10.1016/j.scitotenv.2018.05.055] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 05/04/2018] [Accepted: 05/04/2018] [Indexed: 06/08/2023]
Abstract
Di (2‑ethylhexyl) phthalate (DEHP) is a ubiquitous organic pollutant, which has caused considerable pollution in arable soils. In this study, the relationship between DEHP degradation potential and soil properties in 12 agricultural soils (S1-S12) was examined in a microcosm based experiment. Six of these soils were then selected to monitor patterns in bacterial community responses. It was found that DEHP degradation was positively correlated with bacterial counts in the original soils, suggesting a key role for bacteria in degradation. However, DEHP metabolism did not always lead to complete degradation. Its monoester metabolite, mono (2‑ethylhexyl) phthalate (MEHP), was present at appreciable levels in the two acidic soils (S1 and S2) during the incubation period of 35 days. Based on high-throughput sequencing data, we observed a greater impact of DEHP contamination on bacterial community structure in acidic soils than in the other soils. Nocardioides, Ramlibacter and unclassified Sphingomonadaceae were enriched in the two near-neutral soils where degradation was highest (S4 and S7), suggesting that these organisms might be efficient degraders. The relative abundance of Tumibacillus was greatly reduced in 50% of the six soils examined, demonstrating a high sensitivity to DEHP contamination. Furthermore, putative organic-matter decomposing bacteria (including Tumebacillus and other bacteria taxa such as members from Micromonosporaceae) were greatly reduced in the two acidic soils (S1 and S2), possibly due to the accumulation of MEHP. These results suggest a crucial role of soil acidity in determining the fate and impact of DEHP in soil ecosystems, which deserves further investigation. This work contributes to a better understanding of the environmental behavior of DEHP in soil and should facilitate the development of appropriate remediation technologies.
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Affiliation(s)
- Fengxiao Zhu
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, PR China
| | - Changyin Zhu
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Evelyn Doyle
- Environmental Microbiology Group, School of Biology and Environmental Science and Earth Institute, University College Dublin, Belfield, Dublin 4, Ireland
| | - Hailong Liu
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Dongmei Zhou
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, PR China
| | - Juan Gao
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, PR China.
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133
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Yan Y, Lu Y, Gao Y, Wang B, Zhao L, Liang H. Facile Preparation of Hydrophilic-Bifunctional-Groups Modified Magnetic Microspheres as a Novel Matrix for Detection of Phthalate Esters from Human Plasma Samples. ChemistrySelect 2018. [DOI: 10.1002/slct.201802013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Yinghua Yan
- School of Materials Science and Chemical Engineering; Ningbo University, Ningbo, Zhejiang; 315211, P. R. China
| | - Yujie Lu
- School of Materials Science and Chemical Engineering; Ningbo University, Ningbo, Zhejiang; 315211, P. R. China
| | - Yiqian Gao
- School of Materials Science and Chemical Engineering; Ningbo University, Ningbo, Zhejiang; 315211, P. R. China
| | - Baichun Wang
- School of Materials Science and Chemical Engineering; Ningbo University, Ningbo, Zhejiang; 315211, P. R. China
| | - Lingling Zhao
- School of Materials Science and Chemical Engineering; Ningbo University, Ningbo, Zhejiang; 315211, P. R. China
| | - Hongze Liang
- School of Materials Science and Chemical Engineering; Ningbo University, Ningbo, Zhejiang; 315211, P. R. China
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134
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Kashyap D, Agarwal T. Concentration and factors affecting the distribution of phthalates in the air and dust: A global scenario. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 635:817-827. [PMID: 29710605 DOI: 10.1016/j.scitotenv.2018.04.158] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Revised: 04/10/2018] [Accepted: 04/11/2018] [Indexed: 06/08/2023]
Abstract
Phthalates are ubiquitously present environmental contaminants. Air and dust are the most important mediums of exposure to phthalates. The present study reviews the presence of phthalates in the air and dust reported from different countries in the last ten years (2007-2017). The phthalate concentrations revealed wide heterogeneity with a mean and median value 6 ± 19 μg/m3 and 0.5 μg/m3 respectively in the air and 1.5 × 103 ± 2.2 × 103 μg/g and 7.8x102μg/g respectively in the dust. The highest phthalates levels in the air were reported from India (1.1 × 102 μg/m3) and in dust from Bulgaria (1.2 × 104 μg/g). Overall higher levels were reported from developing countries as compared to developed countries. Di (2-ethylhexyl) phthalate (DEHP) and Di-n-butyl phthalate (DBP) were found to be predominant in both air and dust. Temperature, humidity, air exchange rate, building material and indoor maintenance were reported as the important factors influencing the levels of phthalates in the air and dust. In addition to policy level interventions, reducing the use of phthalate containing materials and controlling the factors which enhance the emission from existing sources can help in reducing human exposure to phthalates.
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Affiliation(s)
- Durba Kashyap
- National Institute of Food Technology Entrepreneurship and Management, Kundli, Sonipat, Haryana 131028, India
| | - Tripti Agarwal
- National Institute of Food Technology Entrepreneurship and Management, Kundli, Sonipat, Haryana 131028, India.
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135
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Farooqi S, Rajendran K, Khanam R. Analysis of phthalate esters in two different baby care products available in United Arab Emirates. Toxicol Mech Methods 2018; 29:60-66. [PMID: 30113263 DOI: 10.1080/15376516.2018.1512179] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Phthalates are used as plasticizers in a wide range of products and are known to affect the human health adversely. Hence, the present study was carried out to identify and quantify the presence of four phthalates namely dimethyl phthalate (DMP), dibutyl phthalate (DBP), and diethyl phthalate (DEP), di (2-ethylhexyl) phthalate (DEHP) in the two baby products i.e. baby oils and baby lotions. The daily exposure levels and hazard index of each phthalate were also calculated. It was an analytical study where two different brands of samples of baby oil and baby lotion each, from the date of manufacturing of 3, 10, and 20 months were collected. The extraction of phthalates from different samples was done and analyzed using HPTLC. Results showed the presence of all four phthalates, although some phthalates were not present in 3 M samples. The maximum concentration of all the phthalates was found in 20 M samples. Their concentration increased with the storage time indicating the possibility of leaching and migration of phthalates from the container into the product. The hazard indices for phthalates estimated for baby oil and baby lotion were found below 1, which denotes that the daily phthalate exposures are within the regulatory limits. It is important to consider that the exposure to phthalates can occur not only by dermal contact of these baby products but also through other routes. Hence, the study signifies the importance of phthalates concentration in such regularly used products.
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Affiliation(s)
- Saba Farooqi
- a College of Graduate Sciences , Gulf Medical University , Ajman , UAE
| | - K Rajendran
- b College of Pharmacy , Gulf Medical University , Ajman , UAE
| | - Razia Khanam
- c Department of Biomedical Sciences, College of Medicine , Gulf Medical University , Ajman , UAE
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136
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Zhu YT, Lai JH, Liao XD, Liu SL. Screening of lactic acid bacteria strains for their ability to bind phthalate monoesters in vitro and the binding characteristics. Food Control 2018. [DOI: 10.1016/j.foodcont.2018.02.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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137
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Song Q, Li R, Zhao Y, Zhu Q, Xia B, Chen S, Zhang Y. Evaluating effects of prenatal exposure to phthalates on neonatal birth weight: Structural equation model approaches. CHEMOSPHERE 2018; 205:674-681. [PMID: 29723725 DOI: 10.1016/j.chemosphere.2018.04.063] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 04/09/2018] [Accepted: 04/11/2018] [Indexed: 05/23/2023]
Abstract
BACKGROUND A large body of evidence has shown that phthalate exposure can lower birth weight in animals and human beings. However, there are only limited data on whether phthalates could affect birth weight directly or indirectly through gestational age and pregnancy syndrome. OBJECTIVES To evaluate the effects of prenatal exposure to phthalates on birth weight in neonates and the mediation effects of gestational age and pregnancy syndrome on the association between phthalate exposure and birth weight. METHODS In this study, 181 mother-newborn pairs were recruited from Wenzhou city. Maternal urine samples were collected during the third trimester and measured for phthalate metabolites by ESI-MS/MS. Structural equation models (SEMs) were used to evaluate effects of phthalate on birth weight controlling for maternal education, monthly income, nutritional supplements, infant gender, and maternal weight gain per week. The potential mediated effects of phthalate exposure through gestational age and pregnancy syndrome on birth weight were also calculated by structural equation modeling. RESULTS After adjusting for potential confounders, urinary mono-phthalate levels (including MMP, MBP, MEHP, MEOHP, and MEHHP) were negatively associated with birth weight. A ten-fold increase in the concentration of MEOHP and MEHHP would be directly associated with lower birth weights (reduced to 124 g and 107 g, respectively). However, MBP had mediated effects on birth weight through gestational age, which was associated with an 85-g reduction in birth weight for every ten-fold increase in exposure. Both direct and mediated effects on birth weight were found in MMP and MEHP. The indirect effects of MMP and MEHP were mediated through gestational age and pregnancy syndrome. Thus, prenatal MMP and MEHP exposures were associated with decrease in birth weight. CONCLUSIONS A negative association exists between prenatal phthalate exposure and birth weight in Chinese neonates. In addition to direct pathway, phthalate exposures could affect birth weight through the mediated effects of gestational age and pregnancy syndrome.
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Affiliation(s)
- Qi Song
- Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China (Fudan University), China; Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, China
| | - Ruzhi Li
- Department of Obstetrical, The Obstetrics and Gynecology Hospital of Fudan University, China
| | - Yan Zhao
- Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Qingyang Zhu
- Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China (Fudan University), China; Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, China
| | - Bin Xia
- Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China (Fudan University), China; Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, China
| | - Shangqin Chen
- Department of Neonatology, The 2nd Affiliated Hospital, Wenzhou Medical College, Wenzhou, China
| | - Yunhui Zhang
- Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China (Fudan University), China; Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, China.
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138
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Computer-aided design of magnetic dummy molecularly imprinted polymers for solid-phase extraction of ten phthalates from food prior to their determination by GC-MS/MS. Mikrochim Acta 2018; 185:373. [DOI: 10.1007/s00604-018-2892-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Accepted: 06/26/2018] [Indexed: 10/28/2022]
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139
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Chen Y, Zhang H, Zhou W, Deng C, Liao J. The solvent effects on dimethyl phthalate investigated by FTIR characterization, solvent parameter correlation and DFT computation. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 199:412-420. [PMID: 29649677 DOI: 10.1016/j.saa.2018.03.051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 03/15/2018] [Accepted: 03/16/2018] [Indexed: 06/08/2023]
Abstract
This study set out with the aim of investigating the solvent effects on dimethyl phthalate (DMP) using FTIR characterization, solvent parameter correlation and DFT calculation. DMP exposed to 17 organic solvents manifested varying shift in the carbonyl stretching vibration frequency (νCO). Non-alkanols induced Band I and alkanols produced Band I and Band II. Through correlating the νCO with the empirical solvent scales including acceptor parameter (AN), Schleyer's linear free energy parameter (G), and linear free salvation energy relationships (LSER), Band I was mainly ascribed to non-specific effects from either non-alkanols or alkanol polymers ((alkanol)n). νCO of the latter indicated minor red shift and less variability compared to the former. An assumption was made and validated about the sequestering of hydroxyl group by the bulky hydrophobic chain in (alkanol)n, creating what we refer to as "screening effects". Ab initio calculation, on the other hand, provided insights for possible hydrogen binding between DMP and (ethanol)n or between ethanol monomers. The two components of Band I observed in inert solvents were assigned to the two CO groups adopting differentiated conformations. This in turn prompted our consideration that hydrogen binding was highly selective in favor of lowly associated (alkanol)n and the particular CO group having relatively less steric hindrance and stronger electron-donating capacity. Band II was therefore believed to derive from hydrogen-bond interactions mainly in manner of 1:1 and 1:2 DMP-(alkanol)n complexes.
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Affiliation(s)
- Yi Chen
- Department of Chemistry, Zhejiang Institute of Metrology, Tianmushan Road No. 222, Hangzhou 310007, Zhejiang, PR China.
| | - Hui Zhang
- Department of Chemistry, Zhejiang Institute of Metrology, Tianmushan Road No. 222, Hangzhou 310007, Zhejiang, PR China
| | - Wenzhao Zhou
- Department of Chemistry, Zhejiang Institute of Metrology, Tianmushan Road No. 222, Hangzhou 310007, Zhejiang, PR China
| | - Chao Deng
- Department of Chemistry, Zhejiang Institute of Metrology, Tianmushan Road No. 222, Hangzhou 310007, Zhejiang, PR China
| | - Jian Liao
- Department of Environmental Science and Engineering, Zhejiang University of Technology, Hangzhou 310004, Zhejiang, PR China
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140
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Varshavsky JR, Morello-Frosch R, Woodruff TJ, Zota AR. Dietary sources of cumulative phthalates exposure among the U.S. general population in NHANES 2005-2014. ENVIRONMENT INTERNATIONAL 2018; 115:417-429. [PMID: 29605141 PMCID: PMC5970069 DOI: 10.1016/j.envint.2018.02.029] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 02/15/2018] [Accepted: 02/16/2018] [Indexed: 05/09/2023]
Abstract
BACKGROUND Anti-androgenic phthalates are reproductive toxicants that may have additive effects on male development. Diet is the primary exposure source for most phthalates, which contaminate the food supply through food contact materials and industrialized production. OBJECTIVE To compare dietary sources of cumulative phthalates exposure between "food at home" (e.g. food consumed from a grocery store) and "food away from home" (e.g. food consumed from fast food/restaurants and cafeterias) in the U.S. general population. METHODS We estimated cumulative phthalates exposure by calculating daily intake from metabolite concentrations in urinary spot samples for 10,253 participants (≥6 years old) using National Health and Nutrition Examination Survey (NHANES, 2005-2014) data. We constructed a biologically relevant metric of phthalates daily intake (∑androgen-disruptor, μg/kg/day) by converting phthalates into anti-androgen equivalent terms prior to their summation. Particular foods and the percent of total energy intake (TEI) consumed from multiple dining out sources were ascertained from 24-h recall surveys. Associations with ∑androgen-disruptor levels were estimated for children, adolescents, and adults using multivariable linear regression. RESULTS We observed a consistent positive association between dining out and Σandrogen-disruptor levels across the study population (p-trend <0.0001). Among adolescents, high consumers of foods outside the home had 55% (95% CI: 35%, 78%) higher Σandrogen-disruptor levels compared to those who only consumed food at home. The contribution of specific dining out sources to Σandrogen-disruptor levels varied by age group. For example, cafeteria food was associated with 15% (95% CI: 4.0%, 28%) and 64% (95% CI: 40%, 92%) higher Σandrogen-disruptor levels in children and adults, respectively. Particular foods, especially sandwiches (i.e. cheeseburgers), were associated with increased Σandrogen-disruptor levels only if they were purchased away from home (p < 0.01). CONCLUSION Dining out may be an important source of biologically relevant cumulative phthalates exposure among the U.S. POPULATION Future studies should evaluate modifiable production practices that remove phthalates from the food supply in addition to the efficacy of interventions that promote eating fresh foods prepared at home.
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Affiliation(s)
- Julia R Varshavsky
- University of California, Berkeley, School of Public Health, Berkeley, CA, USA; University of California, San Francisco, Program on Reproductive Health and the Environment, San Francisco, CA, USA.
| | - Rachel Morello-Frosch
- University of California, Berkeley, School of Public Health, Berkeley, CA, USA; University of California, Berkeley, Department of Environmental Science, Policy and Management, Berkeley, CA, USA
| | - Tracey J Woodruff
- University of California, San Francisco, Program on Reproductive Health and the Environment, San Francisco, CA, USA
| | - Ami R Zota
- Department of Environmental and Occupational Health, George Washington University Milken Institute School of Public Health, Washington, DC, USA.
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141
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Kiani A, Ahmadloo M, Shariatifar N, Moazzen M, Baghani AN, Khaniki GJ, Taghinezhad A, Kouhpayeh A, Mousavi Khaneghah A, Ghajarbeygi P. Method development for determination of migrated phthalate acid esters from polyethylene terephthalate (PET) packaging into traditional Iranian drinking beverage (Doogh) samples: a novel approach of MSPE-GC/MS technique. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:12728-12738. [PMID: 29470751 DOI: 10.1007/s11356-018-1471-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2017] [Accepted: 02/02/2018] [Indexed: 06/08/2023]
Abstract
In the current study, a novel magnetic solid phase extraction (MSPE) technique combined with a gas chromatography/mass spectroscopy (GC/MS) was developed to determine the phthalate ester content of bottled Doogh samples. Doogh is a yogurt-based drinking beverage, which is frequently consumed in Middle East and Balkans. It is produced by stirring yogurt in Chern separation machine and consists of substances such as water, yogurt, and salt in addition to aqueous extracts of native herbs. The magnetic multi-walled carbon nanotubes (MWCNT-Fe3O4) were used as adsorbents of phthalate acid esters (PAEs) due to a superior adsorption capability of hydrophobic compounds. In this context, the quantity of the extractable migrated phthalate esters (dibutyl phthalate (DBP), dimethyl phthalate (DMP), butyl benzyl phthalate (BBP), diethyl phthalate (DEP), di-N-octyl phthalate (DNOP), and bis (2-ethylhexyl) phthalate (DEHP)) from polyethylene terephthalate (PET) bottles into Doogh samples was measured. The correlation between the concentration of migrated PAEs and some factors such as the type of Doogh (gaseous and without gas), difference in brand (five brands), volume (1500 and 300 mL), and the storage time also was investigated. The migration level into Doogh samples was increased by incorporating of gas as well as increasing the volume of PET bottles. Also, with elaborating of storage time, the migration of some phthalates such as DEHP (the mean from 2419.85 ng L-1 in the first week to 2716.15 ng L-1 in the second month), DEP, and total phthalate was increased. However, no significant difference in concentrations of migrated phthalate esters among different examined brands was noted. Finally, the concentration of migrated PAEs from bottle into all the examined Doogh samples was below the defined standards by EPA; 6 μg/L for DEHP in drinking water. Graphical abstract ᅟ.
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Affiliation(s)
- Amin Kiani
- Department of Public Health, School of Public Health, Fasa University of Medical Sciences, Fasa, Iran
| | - Mahsa Ahmadloo
- Department of Food Safety and Hygiene, School of Public Health, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Nabi Shariatifar
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mojtaba Moazzen
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Abbas Norouzian Baghani
- Department of Environmental Health Engineering, School of Public Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - GholamReza Jahed Khaniki
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Taghinezhad
- Department of English Language, Fasa University of Medical Sciences, Fasa, Iran
| | - Amin Kouhpayeh
- Department of Pharmacology, Faculty of Medicine, Fasa University of Medical Sciences, Fasa, Iran.
| | - Amin Mousavi Khaneghah
- Department of Food Science, Faculty of Food Engineering, State University of Campinas (UNICAMP), Monteiro Lobato, 80. Caixa Postal: 6121, Campinas, São Paulo, CEP: 13083-862, Brazil.
| | - Peyman Ghajarbeygi
- Department of Food Safety and Hygiene, School of Public Health, Qazvin University of Medical Sciences, Qazvin, Iran
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142
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Kim HS, Cheon YP, Lee SH. Hershberger Assays for Di-2-ethylhexyl Phthalate and Its Substitute Candidates. Dev Reprod 2018; 22:19-27. [PMID: 29707681 PMCID: PMC5915764 DOI: 10.12717/dr.2018.22.1.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2018] [Revised: 03/22/2018] [Accepted: 03/25/2018] [Indexed: 11/17/2022]
Abstract
In the present study, we employed Hershberger assay to determine possible androgenic or antiandrogenic activities of three di-2-ethylhexyl phthalate (DEHP) substitute candidates. The assay was carried out using immature castrated Sprague-Dawley male rats. After 7 days of the surgery, testosterone propionate (TP, 0.4 mg/kg/day) and test materials (low dose, 40 mg/kg/day; high dose, 400 mg/kg/day) were administered for 10 consecutive days by subcutaneous (s.c.) injection and oral gavage, respectively. Test materials were DEHP, 2-ethylhexyl oleate (IOO), 2-ethylhexyl stearate (IOS) and triethyl 2-acetylcitrate (ATEC). The rats were necropsied, and then the weights of five androgen-dependent tissues [ventral prostate, seminal vesicle, coagulating glands, levator ani-bulbocavernosus (LABC) muscle, paired Cowper's glands, and glans penis] and four androgen-insensitive tissues (kidney, adrenal glands, spleen and liver) were measured. All test materials including DEHP did not exhibit any androgenic activity in the assay. On the contrary, antiandrogen-like activities were found in all test groups, and the order of the intensity was ATEC < DEHP < ISO < IOO in the five androgen-sensitive tissues. There was no statistical difference between low dose treatment and high dose treatment of all replacement candidate groups. In DEHP groups, high dose treatment exhibited significant weight gains in LABC and Glan Penis. There was no statistical difference in androgen-insensitive tissue measurements. Since the effects of ATEC treatment on the accessory sex organs were much less or not present at all when compared to those of DEHP, ATEC could be a strong candidate to replace DEHP. IOO treatment brought most severe weight reduction in all of androgen-sensitive tissues, so this material should be excluded for further screening of DEHP substitute selection.
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Affiliation(s)
- Hee-Su Kim
- Dept. of Biotechnology, Sangmyung University, Seoul 03016, Korea
| | - Yong-Pil Cheon
- Division of Developmental Biology and Physiology, School of Biological Sciences and Chemistry, Sungshin University, Seoul 02844, Korea
| | - Sung-Ho Lee
- Dept. of Biotechnology, Sangmyung University, Seoul 03016, Korea
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143
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Zaki G, Shoeib T. Concentrations of several phthalates contaminants in Egyptian bottled water: Effects of storage conditions and estimate of human exposure. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 618:142-150. [PMID: 29127870 DOI: 10.1016/j.scitotenv.2017.10.337] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2017] [Revised: 10/30/2017] [Accepted: 10/31/2017] [Indexed: 06/07/2023]
Abstract
The occurrence and concentrations of six common phthalates were investigated for the first time in bottled water locally produced in the Egyptian market. The compounds investigated were dimethyl phthalate (DMP), diethyl phthalate (DEP), dibutyl phthalate (DBP), n-butyl benzyl phthalate (BBP), diethyl hexyl phthalate (DEHP), and Di-n-octyl phthalate (D-n-OP). A set of 108 bottled water samples from six different commercial brands of water bottled in transparent polyethylene terephthalate (PET) plastic bottles with high density polyethylene (HDPE) plastic caps were investigated. Water samples were analyzed immediately after purchasing (~2weeks after production), after being stored at room temperature (25±5°C), in a refrigerator (4±1°C) and outdoor under sun exposure (daylight temperature of 40±5°C). Samples were stored up to six months depending on the tested condition. Among the target compounds, only DEHP and DBP were detected in the samples analyzed immediately after purchasing with a detection frequency of 50 and 58% and mean concentrations of 0.104 and 0.082μgl-1 respectively. Significant positive correlation was obtained between the storage time, temperature and the concentration of phthalate compounds detected in the bottled water, indicating possible migration from the PET plastic material as the source. The estimated contribution of bottled water consumption to the tolerable daily intake (TDI) levels of the two most abundant phthalates observed here for adults and toddlers did not exceed 0.16 and 0.72% for DBP while these values were 0.04 and 0.16% for DEHP respectively. These estimated daily intake values from PET bottled water consumption were far below their respective TDI values and therefore should constitute no adverse health effects.
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Affiliation(s)
- Ghada Zaki
- Department of Chemistry, The American University in Cairo, New Cairo 11835, Egypt
| | - Tamer Shoeib
- Department of Chemistry, The American University in Cairo, New Cairo 11835, Egypt.
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144
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Socas-Rodríguez B, González-Sálamo J, Herrera-Herrera AV, Santana-Mayor Á, Hernández-Borges J. Determination of phthalic acid esters in different baby food samples by gas chromatography tandem mass spectrometry. Anal Bioanal Chem 2018. [DOI: 10.1007/s00216-018-0977-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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145
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Liao C, Liu W, Zhang J, Shi W, Wang X, Cai J, Zou Z, Lu R, Sun C, Wang H, Huang C, Zhao Z. Associations of urinary phthalate metabolites with residential characteristics, lifestyles, and dietary habits among young children in Shanghai, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 616-617:1288-1297. [PMID: 29122348 DOI: 10.1016/j.scitotenv.2017.10.189] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2017] [Revised: 10/18/2017] [Accepted: 10/18/2017] [Indexed: 06/07/2023]
Abstract
Exposure to household phthalates has been reported to have adverse effects on children's health. In this paper, we used phthalate metabolites in the first morning urine as indicators of household phthalate exposures and examined their associations with residential characteristics, lifestyles and dietary habits among young children. During 2013-2014, we collected morning urines from children aged 5-10years in Shanghai, China and obtained the related information about analyzed factors in this study by questionnaires. Urinary phthalate metabolites were analyzed by isotope dilution-high performance liquid chromatography (HPLC)-heated electrospray ionization source (HESI) coupled with a triple quadrupole mass spectrometry. ANOVA, the Mann-Whitney or Kruskai-Wallis rank tests, and multivariate linear regression analyses were used to examine the target associations. Ten metabolites of seven phthalates in 434 urine samples were analyzed. The detection rates of eight metabolites (MiBP, MnBP, MEHP, MECPP, MEHHP, MEOHP, MEP, and MMP) were >90%, except for MBzP (51.2%), and MCHP with <10.0% of detection rate was not included in analyses. By multivariate linear regression analyses, factors significantly associated with higher concentrations of metabolites included non-usage household air cleaners (MEP and MEHP), changing the child's pillowcase less than one time a week (DEHP metabolites), dusting furniture in the child's bedroom less than three times a week (MMP and MnBP), using more plastic toys (DEHP metabolites and MEP), often having soft drinks (DEHP metabolites) and candies (MiBP). Our results indicated that phthalate exposures were common among Shanghai children and residential characteristics had less significant associations with urinary phthalate metabolites compared with lifestyles and dietary habits. Using less plastic toys, having less candies and soft drinks, using household air cleaner, as well as frequently changing the child's pillowcase and dusting furniture in the child's bedroom could reduce phthalate exposures among children.
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Affiliation(s)
- Chenxi Liao
- Department of Building Environment and Energy Engineering, School of Environment and Architecture, University of Shanghai for Science and Technology (USST), Shanghai, China
| | - Wei Liu
- Department of Building Environment and Energy Engineering, School of Environment and Architecture, University of Shanghai for Science and Technology (USST), Shanghai, China; Department of Building Science, Tsinghua University, Beijing, China
| | - Jialing Zhang
- Department of Building Environment and Energy Engineering, School of Environment and Architecture, University of Shanghai for Science and Technology (USST), Shanghai, China
| | - Wenming Shi
- Department of Environmental Health, School of Public Health, Fudan University, Shanghai, China
| | - Xueying Wang
- Department of Building Environment and Energy Engineering, School of Environment and Architecture, University of Shanghai for Science and Technology (USST), Shanghai, China
| | - Jiao Cai
- Department of Building Environment and Energy Engineering, School of Environment and Architecture, University of Shanghai for Science and Technology (USST), Shanghai, China; School of Civil and Architectural Engineering, Yangtze Normal University, Chongqing, China
| | - Zhijun Zou
- Department of Building Environment and Energy Engineering, School of Environment and Architecture, University of Shanghai for Science and Technology (USST), Shanghai, China
| | - Rongchun Lu
- Department of Building Environment and Energy Engineering, School of Environment and Architecture, University of Shanghai for Science and Technology (USST), Shanghai, China
| | - Chanjuan Sun
- Department of Building Environment and Energy Engineering, School of Environment and Architecture, University of Shanghai for Science and Technology (USST), Shanghai, China
| | - Heng Wang
- Zhoushan Center for Disease Control and Prevention, Zhoushan, Zhejiang, China
| | - Chen Huang
- Department of Building Environment and Energy Engineering, School of Environment and Architecture, University of Shanghai for Science and Technology (USST), Shanghai, China.
| | - Zhuohui Zhao
- Department of Environmental Health, School of Public Health, Fudan University, Shanghai, China; Key Lab of Public Health Safety of the Ministry of Education, Key Lab of Health Technology Assessment, National Health and Family Planning Commission of the People's Republic of China, Shanghai Key Laboratory of Meteorology and Health, Shanghai, China.
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146
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Giovanoulis G, Bui T, Xu F, Papadopoulou E, Padilla-Sanchez JA, Covaci A, Haug LS, Cousins AP, Magnér J, Cousins IT, de Wit CA. Multi-pathway human exposure assessment of phthalate esters and DINCH. ENVIRONMENT INTERNATIONAL 2018; 112:115-126. [PMID: 29272775 DOI: 10.1016/j.envint.2017.12.016] [Citation(s) in RCA: 126] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 12/07/2017] [Accepted: 12/11/2017] [Indexed: 06/07/2023]
Abstract
Phthalate esters are substances mainly used as plasticizers in various applications. Some have been restricted and phased out due to their adverse health effects and ubiquitous presence, leading to the introduction of alternative plasticizers, such as DINCH. Using a comprehensive dataset from a Norwegian study population, human exposure to DMP, DEP, DnBP, DiBP, BBzP, DEHP, DINP, DIDP, DPHP and DINCH was assessed by measuring their presence in external exposure media, allowing an estimation of the total intake, as well as the relative importance of different uptake pathways. Intake via different uptake routes, in particular inhalation, dermal absorption, and oral uptake was estimated and total intake based on all uptake pathways was compared to the calculated intake from biomonitoring data. Hand wipe results were used to determine dermal uptake and compared to other exposure sources such as air, dust and personal care products. Results showed that the calculated total intakes were similar, but slightly higher than those based on biomonitoring methods by 1.1 to 3 times (median), indicating a good understanding of important uptake pathways. The relative importance of different uptake pathways was comparable to other studies, where inhalation was important for lower molecular weight phthalates, and negligible for the higher molecular weight phthalates and DINCH. Dietary intake was the predominant exposure route for all analyzed substances. Dermal uptake based on hand wipes was much lower (median up to 2000 times) than the total dermal uptake via air, dust and personal care products. Still, dermal uptake is not a well-studied exposure pathway and several research gaps (e.g. absorption fractions) remain. Based on calculated intakes, the exposure for the Norwegian participants to the phthalates and DINCH was lower than health based limit values. Nevertheless, exposure to alternative plasticizers, such as DPHP and DINCH, is expected to increase in the future and continuous monitoring is required.
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Affiliation(s)
- Georgios Giovanoulis
- Department of Environmental Science and Analytical Chemistry (ACES), Stockholm University, SE-106 91 Stockholm, Sweden; IVL Swedish Environmental Research Institute, SE-100 31 Stockholm, Sweden.
| | - Thuy Bui
- Department of Environmental Science and Analytical Chemistry (ACES), Stockholm University, SE-106 91 Stockholm, Sweden
| | - Fuchao Xu
- Toxicological Center, Department of Pharmaceutical Sciences, University of Antwerp, Universiteitplein 1, B-2610, Wilrijk, Antwerpen, Belgium
| | - Eleni Papadopoulou
- Domain of Infection Control and Environmental Health, Norwegian Institute of Public Health, Lovisenberggata 8, 0477 Oslo, Norway
| | - Juan A Padilla-Sanchez
- Domain of Infection Control and Environmental Health, Norwegian Institute of Public Health, Lovisenberggata 8, 0477 Oslo, Norway
| | - Adrian Covaci
- Toxicological Center, Department of Pharmaceutical Sciences, University of Antwerp, Universiteitplein 1, B-2610, Wilrijk, Antwerpen, Belgium
| | - Line S Haug
- Domain of Infection Control and Environmental Health, Norwegian Institute of Public Health, Lovisenberggata 8, 0477 Oslo, Norway
| | - Anna Palm Cousins
- IVL Swedish Environmental Research Institute, SE-100 31 Stockholm, Sweden
| | - Jörgen Magnér
- IVL Swedish Environmental Research Institute, SE-100 31 Stockholm, Sweden
| | - Ian T Cousins
- Department of Environmental Science and Analytical Chemistry (ACES), Stockholm University, SE-106 91 Stockholm, Sweden
| | - Cynthia A de Wit
- Department of Environmental Science and Analytical Chemistry (ACES), Stockholm University, SE-106 91 Stockholm, Sweden.
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147
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He F, Tian Y, Xu Z, Luo L, Yang J, Wang H, Sun Y, Du Q, Shen Y. Development of an immunochromatographic assay as a screen for detection of total phthalate acid esters in cooking oil. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2017; 81:80-88. [PMID: 29279017 DOI: 10.1080/15287394.2017.1414023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Phthalate acid esters (PAEs) contamination raised concerns as a result of migration from food packaging and environmental exposure. Because of the adverse effects of PAE reported in humans, the aim of this study was to examine the ability to screen for the detection these chemicals as an indicator of potential exposure. Too develop a sensitive screening test to determine PAE, a specific polyclonal antibody against phthalic acid (PA), the hydrolysate of PAEs, was used as a marker of total PAEs. This method involved the use of 4-aminophthalic acid (APA) as an immunizing hapten to generate antibody. Subsequently, this antibody conjugated with labeled gold nanoparticles (GNPs) was then used to develop an immunochromatographic assay (ICA) for visually detecting PA. After establishing optimal assay conditions, the ICA strip detected visually PA at 3 μg/ml rapidly in less than 5 min. Further, this assay exhibited reliable specificity for PA with no apparent cross-reactivity with structurally related PAEs. A significant correlation between data obtained with the ICA strip and high-performance liquid chromatography (HPLC) analysis was achieved using cooking oils as model spiked samples. The proposed use of ICA offers an effective tool for rapid on-site screening for total PAEs in cooking oils.
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Affiliation(s)
- Fan He
- a Guangdong Provincial Key Laboratory of Food Quality and Safety , College of Food Science, South China Agricultural University , Guangzhou , China
| | - Yuanxin Tian
- b Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences , Southern Medical University , Guangzhou , People's Republic of China
| | - Zhenlin Xu
- a Guangdong Provincial Key Laboratory of Food Quality and Safety , College of Food Science, South China Agricultural University , Guangzhou , China
| | - Lin Luo
- a Guangdong Provincial Key Laboratory of Food Quality and Safety , College of Food Science, South China Agricultural University , Guangzhou , China
| | - Jinyi Yang
- a Guangdong Provincial Key Laboratory of Food Quality and Safety , College of Food Science, South China Agricultural University , Guangzhou , China
| | - Hong Wang
- a Guangdong Provincial Key Laboratory of Food Quality and Safety , College of Food Science, South China Agricultural University , Guangzhou , China
| | - Yuanming Sun
- a Guangdong Provincial Key Laboratory of Food Quality and Safety , College of Food Science, South China Agricultural University , Guangzhou , China
| | - Qingfeng Du
- c Nanhai Hospital, Southern Medical University , Foshan , China
| | - Yudong Shen
- a Guangdong Provincial Key Laboratory of Food Quality and Safety , College of Food Science, South China Agricultural University , Guangzhou , China
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148
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Sakhi AK, Sabaredzovic A, Cequier E, Thomsen C. Phthalate metabolites in Norwegian mothers and children: Levels, diurnal variation and use of personal care products. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 599-600:1984-1992. [PMID: 28558421 DOI: 10.1016/j.scitotenv.2017.05.109] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Revised: 05/11/2017] [Accepted: 05/12/2017] [Indexed: 06/07/2023]
Abstract
Exposure to phthalates has been associated with reproductive and developmental toxicity. Data on levels of these compounds in the Norwegian population is limited. In this study, urine samples were collected from 48 mothers and their children in two counties in Norway. Eleven different phthalate metabolites originating from six commonly used phthalates in consumer products were determined. Concentrations of phthalate metabolites were significantly higher in children compared to mothers except for mono-ethyl phthalate (MEP). The mothers provided several urine samples during 24hours (h) and diurnal variation showed that the concentrations in the morning urine samples (24-8h) were significantly higher than at other time-periods for most of the phthalate metabolites. Intraclass correlation coefficients (ICCs) for 24-hour time-period were in the range of 0.49-0.81. These moderate to high ICCs indicate that one spot urine sample can be used to estimate the exposure to phthalates. Since a significant effect of time of day was observed, it is still advisable to standardize the collection time point to reduce the variation. For the mothers, the use of personal care products (PCPs) were less associated with morning urine samples than early day (8-12h) and evening (16-24h) urine samples. The use of perfume and hair products were positively associated with the urinary concentrations of low molecular weight phthalates. Use of shower soap and shampoo were positively associated with urinary concentration of di(2-ethylhexyl) phthalate (DEHP) metabolites. For children, face cream use was positively associated with phthalate metabolites in the morning samples, and hand soap use was negatively associated with concentration of urinary DEHP metabolites in afternoon/evening samples. Since different PCPs were associated with the urinary phthalate metabolites in different time-periods during a day, more than one spot urine sample might be required to study associations between urinary phthalate metabolites and the use of PCPs.
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Affiliation(s)
- Amrit Kaur Sakhi
- Department of Environmental Exposure and Epidemiology, Norwegian Institute of Public Health, P.O. Box 4404, Nydalen, 0403 Oslo, Norway.
| | - Azemira Sabaredzovic
- Department of Environmental Exposure and Epidemiology, Norwegian Institute of Public Health, P.O. Box 4404, Nydalen, 0403 Oslo, Norway
| | - Enrique Cequier
- Department of Environmental Exposure and Epidemiology, Norwegian Institute of Public Health, P.O. Box 4404, Nydalen, 0403 Oslo, Norway
| | - Cathrine Thomsen
- Department of Environmental Exposure and Epidemiology, Norwegian Institute of Public Health, P.O. Box 4404, Nydalen, 0403 Oslo, Norway
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149
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Roy NM, Zambrzycka E, Santangelo J. Butyl benzyl phthalate (BBP) induces caudal defects during embryonic development. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2017; 56:129-135. [PMID: 28934690 DOI: 10.1016/j.etap.2017.09.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 09/11/2017] [Accepted: 09/14/2017] [Indexed: 06/07/2023]
Abstract
Butyl benzyl phthalate (BBP) is commonly added during the manufacturing of plastics to increase flexibility and elasticity. However, BBP leaches off of plastic and environment presence has been detected in soil, groundwater and sediment potentially effecting organisms in the environment. Given the widespread uses of BBP in household, consumer goods and the presence of BBP in the environment, studies on developmental toxicity are needed. Here, we use a zebrafish model to investigate the early developmental toxicity of BBP. We treated gastrula staged embryos with increasing concentrations of BBP and noted concentration-dependent defects in caudal tail development, but the effect was caudal specific with no other developmental defects noted. In situ hybridization studies using muscle and notochord markers show alterations in muscle development and non-linear, kinked notochord staining. A more detailed antibody staining using a myosin specific marker shows disorganized myofibrils and a loss of chevron shaped somites. Furthermore, vascular development in the tail was also disrupted in a concentration dependent manner. We conclude that BBP is toxic to caudal development in zebrafish. The sensitivity of zebrafish during development to environmental toxins and chemicals has been useful in assessing the health of the aquatic environment. The results presented here are a useful early warning system for contamination that could affect human health.
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Affiliation(s)
- Nicole M Roy
- Department of Biology, Sacred Heart University, 5151 Park Ave, Fairfield, CT, 06825, United States.
| | - Ewelina Zambrzycka
- Department of Biology, Sacred Heart University, 5151 Park Ave, Fairfield, CT, 06825, United States
| | - Jenna Santangelo
- Department of Biology, Sacred Heart University, 5151 Park Ave, Fairfield, CT, 06825, United States
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150
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Ernstoff AS, Fantke P, Huang L, Jolliet O. High-throughput migration modelling for estimating exposure to chemicals in food packaging in screening and prioritization tools. Food Chem Toxicol 2017; 109:428-438. [DOI: 10.1016/j.fct.2017.09.024] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 06/09/2017] [Accepted: 09/14/2017] [Indexed: 11/29/2022]
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