Academic literature on the topic 'Lipophilic organic pollutants'

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Journal articles on the topic "Lipophilic organic pollutants"

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Bjerregaard-Olesen, Christian, Philip Sebastian Hjelmborg, and Eva Cecilie Bonefeld-Jørgensen. "Isolation of Lipophilic Persistent Organic Pollutants From Human Breast Milk." Analytical Letters 45, no. 11 (July 15, 2012): 1412–25. http://dx.doi.org/10.1080/00032719.2012.675488.

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Zeliger, Harold I. "Lipophilic chemical exposure as a cause of cardiovascular disease." Interdisciplinary Toxicology 6, no. 2 (June 1, 2013): 55–62. http://dx.doi.org/10.2478/intox-2013-0010.

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Abstract Environmental chemical exposure has been linked to numerous diseases in humans. These diseases include cancers; neurological and neurodegenerative diseases; metabolic disorders including type 2 diabetes, metabolic syndrome and obesity; reproductive and developmental disorders; and endocrine disorders. Many studies have associated the link between exposures to environmental chemicals and cardiovascular disease (CVD). These chemicals include persistent organic pollutants (POPs); the plastic exudates bisphenol A and phthalates; low molecular weight hydrocarbons (LMWHCs); and poly nuclear aromatic hydrocarbons (PAHs). Here it is reported that though the chemicals reported on differ widely in chemical properties and known points of attack in humans, a common link exists between them. All are lipophilic species that are found in serum. Environmentally induced CVD is related to total lipophilic chemical load in the blood. Lipophiles serve to promote the absorption of otherwise not absorbed toxic hydrophilic species that promote CVD.
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Lei, Li Rong, and You Ming Li. "Study on Environmental Materials with Application of Ozone-Based Technologies in Removal of Characteristic Pollutants in Pulp and Paper Effluents." Advanced Materials Research 700 (May 2013): 35–40. http://dx.doi.org/10.4028/www.scientific.net/amr.700.35.

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Due to the presence of recalcitrant organic compounds, the pulp and paper effluents after treatment by conventional biological processes still contain high concentration of chemical oxygen demand (COD) and colored substances and do not satisfy the national emission standard. The objectives of this work are to present the research process on environmental materials with application of ozone-based technologies in removal of characteristic pollutants in pulp and paper effluents and suggest the feasible development trend. In this work, basic mechanisms of degradation of organic pollutants by ozone-based technologies in the presence of environmental materials as catalyst are described. The removal efficiencies of characteristic pollutants commonly found in pulp and paper effluents, such as absorbable organic halogens (AOX), resin and fatty acids, phenolic compounds, lipophilic wood extractives and ethylenediaminetetraacetic acid (EDTA), are presented.
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Bjerregaard-Olesen, Christian, Rossana Bossi, and Eva Bonefeld-Jørgensen. "Extraction of perfluorinated alkyl acids and lipophilic persistent organic pollutants from human serum." Toxicology Letters 221 (August 2013): S187. http://dx.doi.org/10.1016/j.toxlet.2013.05.425.

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Kim, Yeon, Joon Park, Min Woo, Sang Lee, Hye Kim, and Young Yoo. "Persistent Organic Pollutant-Mediated Insulin Resistance." International Journal of Environmental Research and Public Health 16, no. 3 (February 3, 2019): 448. http://dx.doi.org/10.3390/ijerph16030448.

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Persistent organic pollutants (POPs) such as organochlorine (OC) pesticides, polychlorinated biphenyls (PCBs), polychlorinated dibenzo-p-dioxins (PCDDs), and polychlorinated dibenzofurans (PCDFs) have become wide-spread environmental contaminants as a consequence of their extensive use, long-range transport, and persistence. Because POPs are highly resistant to metabolic degradation, humans bioaccumulate these lipophilic and hydrophobic pollutants in fatty tissues for many years. Previous studies have demonstrated that POPs including PCBs are involved in the development of diabetes mellitus (DM) type 2 and insulin resistance. Numerous epidemiological studies suggest an association between POP burden and DM type 2/metabolic syndrome. In addition, several experimental studies have provided additional evidence supporting the association between POP exposure and DM type 2 or insulin resistance. Epidemiological and experimental studies have provided compelling evidence indicating that exposure to POPs increases the risk of developing insulin resistance and metabolic disorders. However, the detailed molecular mechanism underlying POP-induced insulin resistance is yet to be elucidated. In this article, we review literature that has reported on the association between POP burden and insulin resistance and the mechanism underlying POP-induced insulin resistance, and discuss implications for public health.
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Sotnichenko, Alexander, Evgeny Pantsov, Dmitry Shinkarev, and Victor Okhanov. "Hydrophobized Reversed-Phase Adsorbent for Protection of Dairy Cattle against Lipophilic Toxins from Diet. Efficiensy In Vitro and In Vivo." Toxins 11, no. 5 (May 7, 2019): 256. http://dx.doi.org/10.3390/toxins11050256.

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The steady growth of inflammatory diseases of the udder in dairy cattle forces us to look for the causes of this phenomenon in the context of growing chemical pollution of the environment and feeds. Within the framework of this concept, an analysis was made of the polarity level of the three toxic impurity groups, which are commonly present in dairy cattle feeds. These impurities are presented by mycotoxins, polyaromatic hydrocarbons (PAH) and persistent organic pollutants (POP). It has been determined that 46% of studied mycotoxins (n = 1500) and 100% of studied polyaromatic hydrocarbons (n = 45) and persistent organic pollutants (n = 55) are lipophilic compounds, prone to bioaccumulation. A comparative evaluation of the sorption capacity of four adsorbents of a different nature and polarity with respect to the simplest PAH, naphthalene and lipophilic estrogenic mycotoxin, zearalenone in vitro has been carried out. The highest efficiency in these experiments was demonstrated by the reversed-phase polyoctylated polysilicate hydrogel (POPSH). The use of POPSH in a herd of lactating cows significantly reduced the transfer of aldrin, dieldrin and heptachlor, typical POPs from the “dirty dozen”, to the milk. The relevance of protecting the main functional systems of animals from the damaging effects of lipophilic toxins from feeds using non-polar adsorbents, and the concept of evaluating the effectiveness of various feed adsorbents for dairy cattle by their influence on the somatic cell count in the collected milk are discussed.
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Zeliger, Harold I., and Boguslaw Lipinski. "Physiochemical basis of human degenerative disease." Interdisciplinary Toxicology 8, no. 1 (March 1, 2015): 15–21. http://dx.doi.org/10.1515/intox-2015-0003.

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AbstractThe onset of human degenerative diseases in humans, including type 2 diabetes, cardiovascular disease, neurological disorders, neurodevelopmental disease and neurodegenerative disease has been shown to be related to exposures to persistent organic pollutants, including polychlorinated biphenyls, chlorinated pesticides, polybrominated diphenyl ethers and others, as well as to polynuclear aromatic hydrocarbons, phthalates, bisphenol-A and other aromatic lipophilic species. The onset of these diseases has also been related to exposures to transition metal ions. A physiochemical mechanism for the onset of degenerative environmental disease dependent upon exposure to a combination of lipophilic aromatic hydrocarbons and transition metal ions is proposed here. The findings reported here also, for the first time, explain why aromatic hydrocarbons exhibit greater toxicity than aliphatic hydrocarbons of equal carbon numbers.
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Bester, K., H. Hühnerfuss, W. Lange, and N. Theobald. "Results of non-target screening of lipophilic organic pollutants in the German Bight I: benzothiazoles." Science of The Total Environment 207, no. 2-3 (November 1997): 111–18. http://dx.doi.org/10.1016/s0048-9697(97)00252-0.

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Li, Li, and Frank Wania. "Mechanistic Pharmacokinetic Modeling of the Bioamplification of Persistent Lipophilic Organic Pollutants in Humans during Weight Loss." Environmental Science & Technology 51, no. 10 (May 3, 2017): 5563–71. http://dx.doi.org/10.1021/acs.est.7b00055.

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Bjerregaard-Olesen, Christian, Manhai Long, Mandana Ghisari, Bodil H. Bech, Ellen A. Nohr, Niels Uldbjerg, Tine B. Henriksen, Jørn Olsen, and Eva C. Bonefeld-Jørgensen. "Temporal trends of lipophilic persistent organic pollutants in serum from Danish nulliparous pregnant women 2011–2013." Environmental Science and Pollution Research 24, no. 20 (April 21, 2017): 16592–603. http://dx.doi.org/10.1007/s11356-017-8992-7.

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Dissertations / Theses on the topic "Lipophilic organic pollutants"

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Maja, Brborić. "Distribucija lipofilnih organskih polutanata u heterogenom multikomponentnom rečnom sistemu." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2020. https://www.cris.uns.ac.rs/record.jsf?recordId=114754&source=NDLTD&language=en.

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U doktorskoj disertaciji evaluirani su rezultati kvantifikovanih koncentracionih nivoa lipofilnih perzistentnih i emergentnih organskih polutanata u uzorcima sedimenta kolektovanih sa deset reprezentativnih lokaliteta u srednjem Podunavlju. Na osnovu sprovedenih laboratorijskih i terenskih istraživanja definisan je prostorni trend jedinjenja na ispitivanom području. Primenom multivarijantnih tehnika eksperimentalni rezultati su uspešno modelovani statističkim metodama koje su izdiferencirale izvore kontaminacije za ukupan set ispitivanih polutanata. Prikazana je procena uticaja kontaminiranog sedimenta na akvatične organizme i humanu populaciju prema stepenu kancerogenosti jedinjenja. Predstavljeni su različiti scenariji izloženosti ingestijom i dermalnim kontaktom, u zavisnosti od vremena ekspozicije i izložene površine potencijalnih receptora, različitog uzrasta i pola. Po prvi put u istraživanom području, implementirana je ex-situ ravnotežna metodologija pasivnog uzorkovanja primenom sorpcionog medijuma od silikonske gume testirane pri različitim masenim odnosima polimer-uzorak sedimenta. Primenjenom metodom uspešno su dobijene slobodno rastvorene koncentracije lipofilnh kontaminanata u pornoj vodi sedimenta, kao prediktora za određivanje biodostupnosti jedinjenja.
The doctoral dissertation evaluated the results of quantified concentration levels of lipophilic persistent and emergent organic pollutants in sediment samples collected from ten representative localities in the central Danube region. Based on the conducted laboratory and field research, the spatial distribution of compounds in the studied area was defined. Using multivariate techniques, the experimental results were successfully modeled by statistical methods that differentiated the sources of contamination for the total set of tested pollutants. A risk assessment of contaminated sediment on aquatic organisms and the human population according to carcinogenicity of the tested compounds is presented in thesis. Different exposure scenarios of ingestion and dermal contact, depending on the time exposure and exposed surface skin of potential receptors, of different ages and sex, are presented. For the first time in the study area, an ex-situ equilibrium passive sampling methodology was implemented using silicone rubber sorption medium tested at different polymer-sample sediment mass ratios. Using the method, the freely dissolved concentrations of lipophilic contaminants in pore water were successfully obtained as predictors for determining the bioavailability of the compounds.
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Book chapters on the topic "Lipophilic organic pollutants"

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Harit, Garima. "Organochlorine Pesticides." In Advances in Environmental Engineering and Green Technologies, 41–63. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-6111-8.ch003.

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Indiscriminate use of different pesticides in agriculture has increased over the years, especially in the developing countries. This influences the aquatic environment to a great extent. This also poses a great danger to freshwater organisms, including fish, which constitute a major share in the aquatic environment and contribute to the economy of the nation. Water pollution is posing intricate problems that need immediate redress. Organo-chlorine pesticides (OCPs) are a major contributor to aquatic pollution and are amongst the most serious global contaminants. In addition, organochlorine pesticides have a tendency to accumulate in aquatic biota; they also undergo food chain amplification. Lipophilic pollutants are chemically very stable and resistant to microbial, photochemical, chemical, and thermal degradation. The chemical stability of these compounds, their high lipid solubility, and their toxicity to human beings and animals has led government and researchers to feel concerned about their presence in the environment.
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