Environmental occurrence and biota concentration of phthalate esters in Epe and Lagos Lagoons, Nigeria

Adeogun, Aina O.; Ibor, Oju R.; Omogbemi, Emmanuel D.; Chukwuka, Azubuike V.; Adegbola, Rachel A.; Adewuyi, Gregory A.; Arukwe, Augustine

doi:10.1016/j.marenvres.2015.04.002

Cited by 61 publications

(18 citation statements)

References 51 publications

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“…In their study, the authors reported the mean log (BAFs) values which ranged between 0.91 and 2.96, thus implying that most PEs congeners are not likely to be accumulative in organisms. It is worth noting that large variances of BAFs values of individual PEs can also be found in other studies as reported by Net et al (2015a), and for this, the explanation could be based on the discrepancies between the physicochemical properties of individual PEs, variances in temporal bioavailability, and species-specific in metabolic capability, resulting in individually and/or jointly impacting on the bioaccumulation of PEs in the biota (Adeogun et al, 2015;Net et al, 2015a). This further necessitates the need for improved and continual monitoring of PEs in aquatic ecosystems, especially those being utilized by communities for various basic functions such as fishing, irrigation, drinking and bathing.…”

Section: Environmental and Human Health Risks Associated With Phthalate Esters Phthalate Esters Impacts On Aquatic Ecosystemssupporting

confidence: 65%

Insights Into the Prevalence and Impacts of Phthalate Esters in Aquatic Ecosystems

Baloyi

Tekere

Maphangwa

et al. 2021

Front. Environ. Sci.

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Phthalate esters (PEs) are by far the most produced and extensively used synthetic organic chemicals with notable applications in many industrial products such as vinyl upholstery, adhesives, food containers, packaging materials, printing inks, adhesives, cosmetics, paints, pharmaceuticals munitions, and insecticides among other. PEs have long been recognised as ubiquitous organic pollutants of prime environmental concern, with urbanisation amongst the main cause and source of these compounds. Due to their notoriety, these compounds are known to pose devastating effects to living organisms including humans. The presence of PEs and their metabolites in the aquatic ecosystems is of concern primarily due to their endocrine disrupting and carcinogenicity properties. Several research studies have reported prevalence, exposure pathways, toxicity, and impacts of PEs in aquatic ecosystems and humans. Their principal routes of exposure could be direct or indirect, of which the direct route include contact, eating, and drinking contaminated foods, and the indirect route constitute aerosols, leaching and other forms of environmental contamination. PEs find way into water systems through means such as effluent discharges, urban and agricultural land runoff, leaching from waste dumps and other diffuse sources. High-end instrumentation and improved methodologies on the other hand have resulted in increased ability to measure trace levels (μg/L) of PEs and their metabolites in different matrices and ecological compartments of water or aquatic ecosystems such as lakes, oceans, rivers, sediments, wetlands and drinking water samples. In light of the above, this article provides an informed and focused information on the prevalence of phthalate esters in aquatic systems and related effects on living organisms and humans. Furthermore, techniques that have enabled the extraction and analysis of these PEs in aquatic samples are also explained. Future research outlooks and needs are also highlighted in this manuscript. This information will be used to better understand their temporal and spatial distributions in the aquatic systems and aid in devising prudent means to curtail their ecological footprints.

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Section: Environmental and Human Health Risks Associated With Phthalate Esters Phthalate Esters Impacts On Aquatic Ecosystemssupporting

confidence: 65%

Insights Into the Prevalence and Impacts of Phthalate Esters in Aquatic Ecosystems

Baloyi

Tekere

Maphangwa

et al. 2021

Front. Environ. Sci.

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“…Despite the wide application of benthic species (including shrimps, crabs) in evaluating aquatic pollution (Adeogun et al., ), very few studies have examined the comparative modulation of biochemical responses between sexes under pollution gradients and different ecological ranges. The blue crab, Callinectes amnicola , is an important source of protein for coastal communities living around the southern lagoon system of West Africa, and an important trophic member of the complex benthic food web in that ecosystem, hence its importance for ecological evaluation (Ajagbe, Osibona, & Otitoloju, ; Arimoro & Idoro, ).…”

Section: Introductionmentioning

confidence: 99%

Sex‐specific affinity for redox‐active metals influences antioxidant responses of Callinectes amnicola (blue crab) populations in littoral and open water habitats of a tropical coastal lagoon

Jerome

Hassan

Chukwuka³

2017

Marine Ecology

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The critical role of ecological preferences and opportunity in determining contaminant uptake and adaptive responses of sexes in the wild is still poorly understood. This ecological relationship was investigated by measuring metal bioaccumulation and antioxidant activity in male and female blue crab populations from open water habitat and the littoral/inter‐tidal zone of the Lagos Lagoon. A total of 741 samples of blue crab (littoral zone: 263 females, 137 males; open water zone, 230 females, 111 males) was collected monthly over 24 months (January 2010–January 2012) from each site and the measurements of morphometric features (wet weight, carapace length, carapace width) were recorded; condition index, metal (redox active: Cu, Zn, redox inactive: Pb, Cd) concentration in tissues (gills, hepatopancreas, gonads and muscle) and antioxidant activity (superoxide dismutase, reduced glutathione, glutathione peroxidase, catalase and malondialdehyde) were measured for each sex. Monthly sediment samples for both habitats were also analysed for metals using standard methods. Female crabs were significantly larger (p < .05) with a better condition index than the male crabs across sites and seasons, while higher oxidative damage was recorded in male crabs in the littoral zone compared to the open water zone. The results show that there was a negative association between antioxidant activity and lipid peroxidation; a negative relationship between concentrations of redox‐inactive metals (Pb and Cd) and antioxidant activity in male crab tissues; and a positive relationship between uptake of a redox‐active metal (Cu) and antioxidant activity in female crab tissues. Although these trends suggest sex‐specific toxicity, they also associate redox‐inactive metals with the downregulation of antioxidant activity and oxidative stress. Furthermore, the higher condition index of females corroborates the possibility of sex‐specific toxicity, while the larger‐sized females compared to males suggests size‐sexual dimorphism in the blue crab populations. The site‐specific oxidative damage between sexes may be attributed to the different complexity of both habitats, which affords different ecological opportunities for the sexes.

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“…Urteetan zehar, Soxhlet teknika da gehien erabili izan dena [52]. Lagin likidoen erauzketan gertatzen den moduan, teknika klasikoek disolbatzaile organikoen bolumen handiak (100-250 mL) behar izaten dituzte, eta nahiko denbora luzeak erauzketa-urratsa burutzeko.…”

Section: Lagin Solidoakunclassified

“…Esperimentalki kalkulatu diren BCF gehienak muskulu-laginei dagozkie; azken finean, hau baita gizakiok jaten dugun atala. Oro har, BCF faktoreak nahiko baxuak dira muskuluan [20,27,52,73], betiere Lee eta haren lankideek [73] proposatzen duten 1.000 baliotik beherakoak, konposatu eta arrain-espezie desberdinetarako. Kontrako muturrean behazunean kalkulatutako BCFak daude.…”

Section: Ekuazioaunclassified

Konposatu disruptore endokrinoen azterketa kimika analitikoaren ikuspuntutik

Ros¹,

Vallejo²,

Olivares³

et al. 2018

EKAIA

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Laburpena: Ingurumeneko uretan kutsatzaile organiko desberdinak aurkitzen dira, nahiz eta kontzentrazio baxuetan izan (ng/L mailan). Araztegien irteera korronteak izan ohi dira konposatu horien iturririk nagusietako bat, araztegiek erabiltzen dituzten mekanismoak ez baitira gai kutsatzaileen arazketa osoa burutzeko. Horien artean, konposatu disruptore endokrino (EDC) izenez ezagutzen diren konposatuak aurki daitezke, eta horiek ingurumenean bizi diren espezieetan aldaketa endokrinoak sor ditzakete, nahiz eta EDCak kontzentrazio baxuetan egon. Kalte horien artean, malformazioak, populazioen aldaketak edo intersexualitatea dira nabarmenenak. Hau guztia ikusirik, kimika analitikoaren ikuspuntutik oso garrantzitsua da metodo analitiko sentikorrak garatzea konposatuak ur-eta biota-laginetatik erauzi eta garbitzeko, bai eta konposatuek biotaren atal desberdinetan metatzeko duten joera aztertzeko ere.Hitz gakoak: konposatu disruptore endokrinoak, erauzketa-metodoak, biokontzentrazioa, ur-laginak, biota.Abstract: There are several organic contaminants present in the aquatic environment, even they are find at very low concentrations (ng/L level). The effluents of the wastewater treatment plants (WWTP) can be one of the main sources into the environment, since the mechanism used by the WWTP are not fully efective for the complete removal of the contaminants. Among them, some of them are classified as endocrine disrupting compounds (EDCs) and they can provoke endocrine alterations in the species habiting in the water even they are found at low concentrations. Malformations, a decrease on the polulation or intersexuality are the most significant damages. Thus, the development of highly sensitive analytical methods for the extraction and clean-up of the water and biota samples is vital from an analytical point of view together with the accumulation capacity of the compounds in the different biota compartments.

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Environmental occurrence and biota concentration of phthalate esters in Epe and Lagos Lagoons, Nigeria

Cited by 61 publications

References 51 publications

Insights Into the Prevalence and Impacts of Phthalate Esters in Aquatic Ecosystems

Insights Into the Prevalence and Impacts of Phthalate Esters in Aquatic Ecosystems

Sex‐specific affinity for redox‐active metals influences antioxidant responses of Callinectes amnicola (blue crab) populations in littoral and open water habitats of a tropical coastal lagoon

Konposatu disruptore endokrinoen azterketa kimika analitikoaren ikuspuntutik

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