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Alves Rocha B, Gallimberti M, Paulo Bianchi Ximenez J, Giovana Basso C, Joel Martino-Andrade A, Martin Koch H, Augusto Calixto L, Barbosa F. An eco-friendly sample preparation procedure based on air-assisted liquid-liquid microextraction for the rapid determination of phthalate metabolites in urine samples by liquid chromatography-tandem mass spectrometry. Talanta 2024; 266:124974. [PMID: 37494769 DOI: 10.1016/j.talanta.2023.124974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/07/2023] [Accepted: 07/18/2023] [Indexed: 07/28/2023]
Abstract
Urinary phthalate metabolite (mPAEs) analysis is a reliable tool for assessing human exposure to phthalates. With growing interest in urinary biomonitoring of these metabolites, there is a need for fast and sensitive analytical methods. Therefore, a simple, rapid procedure for simultaneous determination of fifteen phthalate metabolites in human urine samples by liquid chromatography-tandem mass spectrometry was developed. The novelty of the present procedure is based on the use of diethyl carbonate as a green biobased extraction solvent and air-assisted liquid-liquid microextraction (AALLME) as a sample preparation step. A Plackett-Burman design was used for screening the factors that influence the AALLME extraction efficiency of mPAEs. The effective factors were then optimized by response surface methodology using a central composite rotatable design. Under the optimized conditions, good linearity can be achieved in a concentration range of 1.0-20.0 ng mL-1 with correlation coefficients higher than 0.99. The repeatability and reproducibility precision were in the range of 2-12% and 1-10% respectively. Recoveries ranging from 90% to 110%. This, and the low limits of detection, ranging from 0.01 to 0.05 ng mL-1, make the proposed procedure sensitive and suitable for human biomonitoring of phthalate exposures. For proof-of-principle, the new method was used to measure the urinary concentrations of mPAEs in 20 urine samples from Brazilian women. The high frequency of detections and in part high concentrations of mPAEs indicate to widespread exposure to several phthalates among Brazilian women.
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Affiliation(s)
- Bruno Alves Rocha
- Analytical and System Toxicology Laboratory, Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirao Preto, University of Sao Paulo, Avenida do Cafe s/nº, Ribeirao Preto, Sao Paulo, 14040-903, Brazil.
| | - Matheus Gallimberti
- Analytical and System Toxicology Laboratory, Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirao Preto, University of Sao Paulo, Avenida do Cafe s/nº, Ribeirao Preto, Sao Paulo, 14040-903, Brazil
| | - João Paulo Bianchi Ximenez
- Analytical and System Toxicology Laboratory, Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirao Preto, University of Sao Paulo, Avenida do Cafe s/nº, Ribeirao Preto, Sao Paulo, 14040-903, Brazil
| | - Carla Giovana Basso
- Department of Physiology, Animal Endocrine and Reproductive Physiology Laboratory, Federal University of Paraná (UFPR), Curitiba, Parana, Brazil
| | - Anderson Joel Martino-Andrade
- Department of Physiology, Animal Endocrine and Reproductive Physiology Laboratory, Federal University of Paraná (UFPR), Curitiba, Parana, Brazil
| | - Holger Martin Koch
- Institute for Prevention and Occupational Medicine of the German Social Accident Insurance, Institute of the Ruhr University Bochum (IPA), Bürkle-de-la-Camp-Platz 1, 44789, Bochum, Germany
| | - Leandro Augusto Calixto
- Department of Pharmaceutical Sciences, Institute of Environmental, Chemistry and Pharmaceutical Science, Federal University of São Paulo, São Paulo, 099972-270, Brazil
| | - Fernando Barbosa
- Analytical and System Toxicology Laboratory, Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirao Preto, University of Sao Paulo, Avenida do Cafe s/nº, Ribeirao Preto, Sao Paulo, 14040-903, Brazil
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Fréry N, Santonen T, Porras SP, Fucic A, Leso V, Bousoumah R, Duca RC, El Yamani M, Kolossa-Gehring M, Ndaw S, Viegas S, Iavicoli I. Biomonitoring of occupational exposure to phthalates: A systematic review. Int J Hyg Environ Health 2020; 229:113548. [PMID: 32659708 DOI: 10.1016/j.ijheh.2020.113548] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 04/08/2020] [Accepted: 04/22/2020] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Phthalates, a group of ubiquitous industrial chemicals, have been widely used in occupational settings, mainly as plasticizers in a variety of applications. Occupational exposure to different phthalates has been studied in several occupational settings using human biomonitoring (HBM). AIM To provide a comprehensive review of the available literature on occupational exposure to phthalates assessed using HBM and to determine future data needs on the topic as part of the HBM4EU project. METHODS A systematic search was carried out in the databases of Pubmed, Scopus, and Web of Science for articles published between 2000 and September 4, 2019 using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. A total of 22 studies on the occupational HBM of phthalates was considered suitable for review. RESULTS AND DISCUSSION Among the reviewed studies, 19 (86%) focused on DEHP, an old phthalate that is now subject to authorization and planned to be restricted in the EU. Concentrations of MEHHP, one of its metabolites, varied up to 13-fold between studies and across sectors when comparing extreme geometric means, ranging from 11.6 (similar to the general populations) to 151 μg/g creatinine. Only 2 studies focused on newer phthalates such as DiNP and DPHP. Concerning the geographical distribution, 10 studies were performed in Europe (including 6 in Slovakia), 8 in Asia, and 4 in North America, but this distribution is not a good reflection of phthalate production and usage levels worldwide. Most HBM studies were performed in the context of PVC product manufacturing. Future studies should focus on: i) a more uniform approach to sampling timing to facilitate comparisons between studies; ii) newer phthalates; and iii) old phthalates in waste management or recycling. CONCLUSION Our findings highlight the lack of recent occupational HBM studies on both old and new phthalate exposure in European countries and the need for a harmonized approach. Considering the important policy actions taken in Europe regarding phthalates, it seems relevant to evaluate the impact of these actions on exposure levels and health risks for workers.
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Affiliation(s)
- Nadine Fréry
- Public Health France (SpFrance), 12 rue du Val d'Osne, 94415, Saint Maurice Cedex, France.
| | - Tiina Santonen
- Finnish Institute of Occupational Health (FIOH), P.O. Box 40, FI-00032, Työterveyslaitos, Finland
| | - Simo P Porras
- Finnish Institute of Occupational Health (FIOH), P.O. Box 40, FI-00032, Työterveyslaitos, Finland
| | - Aleksandra Fucic
- Institute for Medical Research and Occupational Health (IMROH), Ksaverska cesta 2, 10000, Zagreb, Croatia
| | - Veruscka Leso
- Department of Public Health (DPH), University of Naples Federico II, Via S. Pansini 5, 80131, Naples, Italy
| | - Radia Bousoumah
- French Research and Safety Institute for the Prevention of Occupational Accidents and Diseases (INRS), 1 rue du Morvan, 54519, Vandœuvre-Lès-Nancy, France
| | - Radu Corneliu Duca
- National Health Laboratory (LNS), Department of Health Protection, Unit Environmental Hygiene and Human Biological Monitoring, 1 rue Louis Rech, 3555, Dudelange, Luxembourg
| | - Mounia El Yamani
- Public Health France (SpFrance), 12 rue du Val d'Osne, 94415, Saint Maurice Cedex, France
| | - Marike Kolossa-Gehring
- Federal Environment Agency (UBA, Umweltbundesamt), Bismarckpl. 1, 14193, Berlin, Germany
| | - Sophie Ndaw
- French Research and Safety Institute for the Prevention of Occupational Accidents and Diseases (INRS), 1 rue du Morvan, 54519, Vandœuvre-Lès-Nancy, France
| | - Susana Viegas
- NOVA National School of Public Health, Public Health Research Centre, Universidade NOVA de Lisboa and Health & Technology Research Center, ESTeSL-IPL, Avenida Padre Cruz, 1600-560, Lisbon, Portugal
| | - Ivo Iavicoli
- Department of Public Health (DPH), University of Naples Federico II, Via S. Pansini 5, 80131, Naples, Italy
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Yoshida T, Mimura M, Sakon N. Intakes of phthalates by Japanese children and the contribution of indoor air quality in their residences. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:19577-19591. [PMID: 32219650 DOI: 10.1007/s11356-020-08397-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 03/11/2020] [Indexed: 06/10/2023]
Abstract
Some phthalates, which are used mainly as plasticizers, are suspected to be endocrine disruptors. In the present study, daily intakes of phthalates by Japanese children through all exposure pathways and the contribution of indoor air quality to the intakes were examined by measuring urinary phthalate metabolites in the children and the airborne phthalates in their residences. Spot urine samples excreted first after waking up in the morning were collected from the subjects aged 6 to 15 years (n = 132), and airborne phthalates were sampled in the subjects' bedrooms for 24 h. Eight airborne phthalates and their urinary metabolites were determined by gas chromatography/mass spectrometry. The daily intakes of the phthalates estimated were as follows (median, μg/kg b.w./day): dimethyl phthalate (DMP), 0.15; diethyl phthalate (DEP), 0.42; diisobutyl phthalate (DiBP), 1.1; di-n-butyl phthalate (DnBP), 2.2; dicyclohexyl phthalate (DcHP), 0.026; benzylbutyl phthalate (BBzP), 0.032; di(2-ethylhexyl) phthalate (DEHP), 6.3. The 95th percentile (21 μg/kg b.w./day) of the DEHP intakes exceeded the reference doses (RfD, 20 μg/kg b.w./day) of the US Environmental Protection Agency (EPA). DEHP was suggested to be the most notable phthalate from the perspective of adverse effects on the health of Japanese children. On the other hand, DcHP and di-n-hexyl phthalate were not considered to be very important as indoor air pollutants and as internal contaminants for the children. The contribution rates of the amounts absorbed by inhalation to the amounts absorbed via all of the exposure pathways were only 7.9, 4.4, 6.6, 3.2, 0.22, and 1.0% as the median for DMP, DEP, DiBP, DnBP, BBzP, and DEHP, respectively. Therefore, inhalation did not seem to contribute very much as an absorption pathway of the phthalates for Japanese children while at home.
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Affiliation(s)
- Toshiaki Yoshida
- Osaka Institute of Public Health, 1-3-69, Nakamichi, Higashinari-ku, Osaka, 537-0025, Japan.
| | - Mayumi Mimura
- Osaka Institute of Public Health, 1-3-69, Nakamichi, Higashinari-ku, Osaka, 537-0025, Japan
| | - Naomi Sakon
- Osaka Institute of Public Health, 1-3-69, Nakamichi, Higashinari-ku, Osaka, 537-0025, Japan
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Praveena SM, Teh SW, Rajendran RK, Kannan N, Lin CC, Abdullah R, Kumar S. Recent updates on phthalate exposure and human health: a special focus on liver toxicity and stem cell regeneration. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:11333-11342. [PMID: 29546515 DOI: 10.1007/s11356-018-1652-8] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 02/28/2018] [Indexed: 06/08/2023]
Abstract
Phthalates have been blended in various compositions as plasticizers worldwide for a variety of purposes. Consequently, humans are exposed to a wide spectrum of phthalates that needs to be researched and understood correctly. The goal of this review is to focus on phthalate's internal exposure pathways and possible role of human digestion on liver toxicity. In addition, special focus was made on stem cell therapy in reverting liver toxicity. The known entry of higher molecular weight phthalates is through ingestion while inhalation and dermal pathways are for lower molecular weight phthalates. In human body, certain phthalates are digested through phase 1 (hydrolysis, oxidation) and phase 2 (conjugation) metabolic processes. The phthalates that are made bioavailable through digestion enter the blood stream and reach the liver for further detoxification, and these are excreted via urine and/or feces. Bis(2-ethylhexyl) phthalate (DEHP) is a compound well studied involving human metabolism. Liver plays a pivotal role in humans for detoxification of pollutants. Thus, continuous exposure to phthalates in humans may lead to inhibition of liver detoxifying enzymes and may result in liver dysfunction. The potential of stem cell therapy addressed herewith will revert liver dysfunction and lead to restoration of liver function properly.
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Affiliation(s)
- Sarva Mangala Praveena
- Department of Environmental and Occupational Health, Faculty of Medicine and Health Science, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia.
| | - Seoh Wei Teh
- Department of Medical Microbiology and Parasitology, Faculty of Medicine and Health Science, Universiti Putra Malaysia, Darul Ehsan, 43400, Serdang, Selangor, Malaysia
| | - Ranjith Kumar Rajendran
- Graduate Institute of Environmental Engineering, National Central University, Taoyuan, 32001, Taiwan
| | - Narayanan Kannan
- Faculty of Applied Sciences, AIMST University, Bedong, Kedah, Malaysia
| | - Chu-Ching Lin
- Graduate Institute of Environmental Engineering, National Central University, Taoyuan, 32001, Taiwan
| | - Rozaini Abdullah
- Department of Environmental and Occupational Health, Faculty of Medicine and Health Science, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Suresh Kumar
- Department of Medical Microbiology and Parasitology, Faculty of Medicine and Health Science, Universiti Putra Malaysia, Darul Ehsan, 43400, Serdang, Selangor, Malaysia
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