2014
DOI: 10.4025/actascitechnol.v36i3.18477
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<b>Occurrence of female sexual hormones in the Iguazu river basin, Curitiba, Paraná State, Brazil

Abstract: ABSTRACT. Female sexual hormones have attracted the attention of the scientific community due to the effects that they cause by interfering in the endocrine system. Many contemporary studies have sought to monitor some of the main female sexual hormones in surface waters in Brazil. Current article evaluates the presence of 17β-estradiol, 17α-ethinylestradiol, estrone and progesterone in the surface waters of Curitiba and the surrounding metropolitan area in the state of Paraná, Brazil, by high-performance liqu… Show more

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Cited by 22 publications
(11 citation statements)
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“…In the present study, it should be noted that most of the results involving the occurrence of hormones were obtained by Machado et al 53 and Montagner et al 36 in the Upper Iguaçu River Basin (Paraná) and in the region of Campinas (São Paulo), respectively. In both studies, mean concentrations of 17α-ethinylestradiol and 17β-estradiol were 1916 and 3689 ng/L, respectively.…”
Section: Resultssupporting
confidence: 55%
“…In the present study, it should be noted that most of the results involving the occurrence of hormones were obtained by Machado et al 53 and Montagner et al 36 in the Upper Iguaçu River Basin (Paraná) and in the region of Campinas (São Paulo), respectively. In both studies, mean concentrations of 17α-ethinylestradiol and 17β-estradiol were 1916 and 3689 ng/L, respectively.…”
Section: Resultssupporting
confidence: 55%
“…Além destes, a progesterona e a testosterona são exemplos de outros hormônios naturais que, assim como os estrogênios, são excretados diariamente pela urina e podem ser determinados nos corpos d'água que recebem grandes aportes de esgoto doméstico. 7,9,18,[20][21][22][23][40][41][42]46,[51][52][53][54] Os estrogênios sintéticos, encontrados em produtos farmacêuti-cos, são esteróides que tiveram suas estruturas moleculares alteradas. Os principais usos estão relacionados aos contraceptivos, terapias de reposição hormonal e tratamento de neoplasias.…”
unclassified
“…The source of the nutrients is confirmed by the presence of emerging compounds from domestic sewage in the Upper Iguazu watershed (IDE et al, 2013;MACHADO et al, 2014;KRAMER et al, 2015;OSAWA et al, 2015) which contributes to the increase in nitrogen and phosphorus concentrations, main contributors of eutrophication along cyanobacteria blooms.…”
Section: Introductionmentioning
confidence: 94%