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Open accessJournal ArticleDOI: 10.1021/ACS.EST.0C07609

Aquatic Insects Transfer Pharmaceuticals and Endocrine Disruptors from Aquatic to Terrestrial Ecosystems.

02 Mar 2021-Environmental Science & Technology (American Chemical Society (ACS))-Vol. 55, Iss: 6, pp 3736-3746
Abstract: A wide range of pharmaceuticals and endocrine disrupting compounds enter freshwaters globally. As these contaminants are transported through aquatic food webs, understanding their impacts on both aquatic and terrestrial ecosystems remains a major challenge. Here, we provide the first direct evidence of the transfer of pharmaceuticals and endocrine disruptors through the aquatic-terrestrial habitat linkage by emerging aquatic insects. We also show that the type of insect metamorphosis and feeding behavior determine the bioaccumulation patterns of these contaminants. Adult Trichoptera, an important food source for riparian predators, showed an increased body burden of pharmaceuticals and endocrine disruptors. This implies that terrestrial predators, such as spiders, birds, and bats, are exposed to mixtures of pharmaceuticals and endocrine disruptors of aquatic origin, which may impact their physiology and population dynamics. Overall, our study provides valuable insights into the bioaccumulation patterns and trophic cross-ecosystem transfer of these contaminants, from aquatic primary producers to terrestrial predators.

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Topics: Trophic level (51%), Population (51%)
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Journal ArticleDOI: 10.1016/J.JENVMAN.2021.112389
Ivana Grgić, Ana-Marija Čižmek1, Sandra Babić1, Davor Ljubas1  +1 moreInstitutions (1)
Abstract: Antibiotic pollution is frequently detected in fresh waters and wastewaters where they represent an environmental risk for the development of global antibiotic resistance Due to their excessive use in personal care products, UV filters have also been found to be pseudo-persistent in the aquatic environment In contrast to antibiotics, which can undergo photodegradation, UV filters are compounds designed to stably absorb UV radiation This study explored the light based remediation of representative antibiotics from seven classes of antibiotics (fluoroquinolones, tetracyclines, penicillins, macrolide, glycolpeptide, sulphonamides and trimethoprim) in order to assess whether antibiotic pollution persists longer in the presence of organic UV filters We show that the presence of UV filters either completely supresses or significantly alters the photodegradation of antibiotics in water Advanced technologies in wastewater treatment, such as the use of UV C radiation, both effectively minimise the effect of UV filters and degrade most of the tested antibiotics proving to be effective management strategy However, the half-life of erythromycin and amoxicillin, widely used antibiotics from macrolide- and penicillin-like classes, is extended in the presence of UV filters, even during UV C irradiation Overall, the UV filters present within environmental mixtures are identified as important drivers of mixture toxicity, as they prolong antibiotic contamination of aquatic and engineered environments The ramification of such finding is that inadequate consideration of UV filters may result in an imperfect prediction of the solar and UV light-based remediation of antibiotics, lead to improper classification of antibiotics persistence in the environment and cause non-optimal chemical fate and transport model performance Use of the more benign compounds and assessment of the UV filters were identified as feasible management options in minimizing the influence of UV filters onto the remediation of antibiotics in aquatic environments

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3 Citations


Journal ArticleDOI: 10.1016/J.JHAZMAT.2021.125554
Abstract: Understanding and acquiring knowledge about the adsorption of pharmaceuticals on carbon-based nanomaterials (CNMs) is imperative to the chemical engineering applications of CNMs, as well as to risk assessment and pollution control of both CNMs and pharmaceuticals. A computational assessment of the mechanism and thermodynamics of the adsorption of 18 most common pharmaceuticals (acetaminophen, acetylsalicylic acid, atenolol, caffeine, carbamazepine, clofibric acid, diclofenac, fenofibric acid, fluoxetine, gemfibrozil, ibuprofen, ketoprofen, naproxen, phenazone, primidone, propranolol, salicylic acid, tramadol) on four different CNMs (pristine/functionalised graphene and carbon nanotube) in two different solvents (water and n-octanol) was provided. We show that the adsorption of pharmaceuticals on pristine CNMs is controlled by dispersion forces, π-interactions and hydrophobic interaction. On the other hand, adsorption on functionalised CNMs is controlled by hydrogen bonding and Coulombic interactions. Furthermore, we demonstrate how functionalization of CNM, CNM curvature and background solution properties modulate the intensity of non-covalent interactions and their contribution towards adsorption free energy. With this knowledge, we pinpoint functionalised graphene at environmental pH as the most effective setting for the removal of a given set of pharmaceuticals from water and wastewater. Finally, we show that CNMs may transport pharmaceuticals into living organisms and release them in nonpolar mediums such as cellular membranes and fat cells.

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Topics: Adsorption (50%)

2 Citations


Journal ArticleDOI: 10.1016/J.SCITOTENV.2021.149412
Abstract: The United Nations set "The 2030 Agenda for Sustainable Development," which includes the Sustainable Development Goals (SDGs), a collection of 17 global goals designed to be a "blueprint to achieve a better and more sustainable future for all". Although only mentioned in one of the seventeen goals (goal 3), we argue that drugs in general, and growing drug pollution in particular, affects the SDGs in deeper, not readily apparent ways. So far, the emerging problem of drug pollution has not been sufficiently addressed. Here, we outline and discuss how drug pollution can affect SDGs and even threaten their achievement.

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Topics: Sustainable development (59%)

2 Citations


Open accessJournal ArticleDOI: 10.1071/EN21033
Abstract: Environmental context Many human activities cause the release of plastic and associated plasticisers to land, where chemicals may persist for extended periods and be taken up by organisms. However, quantitative information of the terrestrial occurrence, fate and exposure of phthalate and non-phthalate plasticisers is lacking. Research into this field is needed, especially as society moves away from phthalates to the next generation of plasticisers which may themselves represent an emerging risk. Abstract Modern society is widely dependent upon plastic. Therefore, it is unsurprising that macro- and microplastic pollution is found in every environmental compartment on earth. Plasticisers are chemicals added to plastics to increase their flexibility. Like plastics themselves, plasticisers are also widely present in the environment. Plasticisers and plastic debris may undergo long-range transport in the atmosphere and the oceans, contaminating even the most remote areas of land. In addition, although plasticisers typically degrade in a matter of weeks–months, they can persist in soil for decades and have been shown to occur in all land uses studied. Some plasticisers are genotoxic and can be taken up by soil organisms, which may pose a risk to ecosystems and human health. To date the majority of data on plasticisers exists for phthalates. However, plasticisers are a diverse range of chemicals and with the increasing transfer to non-phthalate alternatives, research into the fate and effects of emerging plasticisers is required to determine their environmental risk and management options. Data on the occurrence and ecotoxicity of emerging plasticisers, in addition to the impacts of all plasticisers on terrestrial ecosystems, therefore, remain a key research need within the wider plastics debate.

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1 Citations


Open accessJournal ArticleDOI: 10.1016/J.SCITOTENV.2021.147979
Abstract: The simultaneous sorption behaviors of four analytes from the UV filters group, benzophenone (BPh), 4-methylbenzylidene camphor (4MBC), benzophenone 3 (BPh3), and benzophenone 2 (BPh2) on virgin and aged high-density polyethylene (HDPE) with a particle size of 125 μm in milliQ and river water were examined in this study. The aging processes of HDPE particles were carried out with the use of simulated sunlight. Conducted research revealed that the sorption of UV filters on HDPE particles follows pseudo-second-order kinetics. A Temkin isothermal model best described the adsorption process for 4BMC, BPh, BPh3, BPh2 on aged HDPE in river water, and 4MBC, BPh, BPh3 on virgin HDPE in milliQ water. The adsorption of BPh2 onto virgin MPs in milliQ water was consistent with the Langmuir isothermal model. Environmental conditions and physicochemical properties of analytes influenced the sorption mechanism between UV filters and MPs particles. It was observed that the main mechanisms responsible for the sorption of BPh, 4MBC, BPh3, and BPh2 on the surface of HDPE are hydrophobic interactions, that may change through the involvement of electrostatic interactions.

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Topics: Sorption (57%), High-density polyethylene (53%), Adsorption (50%)

1 Citations


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59 results found


Open accessJournal ArticleDOI: 10.18637/JSS.V050.I12
Abstract: Longitudinal data from factorial experiments frequently arise in various fields of study, ranging from medicine and biology to public policy and sociology In most practical situations, the distribution of observed data is unknown and there may exist a number of atypical measurements and outliers Hence, use of parametric and semi-parametric procedures that impose restrictive distributional assumptions on observed longitudinal samples becomes questionable This, in turn, has led to a substantial demand for statistical procedures that enable us to accurately and reliably analyze longitudinal measurements in factorial experiments with minimal conditions on available data, and robust nonparametric methodology offering such a possibility becomes of particular practical importance In this article, we introduce a new R package nparLD which provides statisticians and researchers from other disciplines an easy and user-friendly access to the most up-to-date robust rank-based methods for the analysis of longitudinal data in factorial settings We illustrate the implemented procedures by case studies from dentistry, biology, and medicine

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Topics: Nonparametric statistics (51%)

945 Citations


Journal ArticleDOI: 10.1139/A06-005
Jon A. Arnot1, Frank A. P. C. GobasInstitutions (1)
Abstract: Bioaccumulation assessment is important in the scientific evaluation of risks that chemicals may pose to humans and the environment and is a current focus of regulatory effort. The status of bioacc...

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Topics: Bioaccumulation (61%), Bioconcentration (56%)

883 Citations


Open accessJournal ArticleDOI: 10.1016/J.EMCON.2016.12.004
Abstract: Pharmaceuticals and personal care products (PPCPs) are a unique group of emerging environmental contaminants, due to their inherent ability to induce physiological effects in human at low doses. An increasing number of studies has confirmed the presence of various PPCPs in different environmental compartments, which raises concerns about the potential adverse effects to humans and wildlife. Therefore, this article reviews the current state-of-knowledge on PPCPs in the freshwater aquatic environment. The environmental risk posed by these contaminants is evaluated in light of the persistence, bioaccumulation and toxicity criteria. Available literature on the sources, transport and degradation of PPCPs in the aquatic environment are evaluated, followed by a comprehensive review of the reported concentrations of different PPCP groups in the freshwater aquatic environment (water, sediment and biota) of the five continents. Finally, future perspectives for research on PPCPs in the freshwater aquatic environment are discussed in light of the identified research gaps in current knowledge.

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829 Citations


Journal ArticleDOI: 10.1016/J.TRAC.2008.09.010
Abstract: There has been a great effort to study the fate, the occurrence and the ecotoxicology of emerging pollutants in the aquatic environment. Recently, several articles have focused on degradation products of emerging pollutants and the study of their toxicological effects. We review the fate and the ecotoxicology of emerging pollutants, especially focusing on their metabolites and transformation products (TPs) in the aquatic environment, including pharmaceuticals, hormones, perfluorinated compounds, by-products of drinking-water disinfection, sunscreens or UV filters, benzotriazoles and naphthalenic acids. We describe analytical methodologies for the quantitative analysis of emerging pollutants, their metabolites, and their TPs in sewage and surface waters, and we give the results of monitoring surveys obtained from the application of these analytical methodologies.

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Topics: Pollutant (51%), Environmental analysis (51%)

681 Citations


Journal ArticleDOI: 10.1016/J.ENVINT.2016.06.025
Isabel Carvalho1, Lúcia Santos1Institutions (1)
Abstract: The discovery of antibiotics is considered one of the most significant scientific achievements of the 20th century, revolutionizing both human and veterinary medicine. However, antibiotics have been recently recognized as an emerging class of environmental contaminants since they have been massively administrated in humans and animals and persist in the environment through a complex vicious cycle of transformation and bioaccumulation. The diffusion of antibiotics in the environment, particularly in natural water systems, contributes to the development and global dissemination of antibiotic resistance. This phenomenon is one of the most important challenges to the health care sector in the 21st century. As a result, studies on the occurrence, fate, and effects of antibiotics in European aqueous environments have increased in the last years. Nevertheless, their potential aquatic ecotoxicity and human toxicity via environmental exposure routes remain unknown. Consequently, antibiotics are not regulated through the current European environmental water quality standards, which requires evidence concerning their widespread environmental contamination and intrinsic hazard. In this context, this literature review summarizes the state of knowledge on the occurrence of antibiotics in the different aqueous environmental systems across the Europe, as reported since 2000. Relating this subject to antibiotic consumption and their dynamic behavior in the environment, the acquired insights provide an improved understanding on aquatic pollution by antibiotics to outline the European scenario. Moreover, it addresses challenges, prospects for future research, and typical topics to stimulate discussion.

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Topics: Environmental exposure (59%)

489 Citations


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20217