Please use this identifier to cite or link to this item: http://hdl.handle.net/11189/6188
Title: Determination of selected steroid hormones in some surface water around animal farms in Cape Town using HPLC-DAD
Authors: Olatunji, Olatunde Stephen 
Fatoki, Olalekan S 
Opeolu, Beatrice O 
Ximba, Bhekumusa J 
Chitongo, Rumbidzai 
Keywords: Drug residues;Steroid hormones;Water;Animal farms
Issue Date: 2017
Publisher: Springer
Journal: Environmental Monitoring and Assessment 
Abstract: In this study, a method for the simultaneous determination of two steroid hormones, 17β-estradiol (E2) and estriol (E3), and a hormone mimicking polycarbonate, bisphenol-A (BPA), was developed and validated.Thiswas thereafter used for the determination of the levels of the hormones in surface water collected around some livestock farms. The sensitivity of the method allowed the LODs and LOQs of the hormones and mimic hormone in the range 1.14–2.510 and 3.42–7.53 μg/L, respectively. The results revealedwide variabilityinthe concentrations ofE2andE3, while BPAwas not detected at any of the sampling stations. The concentration of E3 ranged between <1.14 and 45.5 μg/L (N= 120) in station 2 water. The highest concentration ofE2 (15.7μg/L,N=80)wasobservedinwater from station 1. The varied concentrations may be connected with the nature and sources of release, inconsistencies in analyte distribution due to dynamics of water flow pattern and the physical/chemical properties of the receiving water bodies.
URI: http://hdl.handle.net/11189/6188
ISSN: 0167-6369
DOI: http://dx.doi.org/10.1007/s10661-017-6070-8
Appears in Collections:Appsc - Journal Articles (DHET subsidised)

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