Research Article

Effect of Seasonal Changes on Steroid Hormones Concentrations in the Golden Horn Estuary (Sea of Marmara, Turkey)

Volume: 7 Number: 2 August 15, 2020
EN

Effect of Seasonal Changes on Steroid Hormones Concentrations in the Golden Horn Estuary (Sea of Marmara, Turkey)

Abstract

In this study, the presence, distribution and concentration of steroidal hormones (Estrone, 17β-estradiol and 17α-ethynylestradiol) were examined in the Golden Horn Estuary (Marmara Sea, Turkey) for one year. The bottom and surface water samples were collected from nine stations in the Golden Horn Estuary four seasons a year. In order to determine the hormone amounts, solid phase extraction was applied to the water samples and then these samples were analyzed on the HPLC with DAD detector. Recoveries of these hormones were range from 92–100% for estuary water. The highest concentrations of estrone, 17β- estradiol, 17α- ethynylestradiol were measured as 1.069 µg/L, 5.25 µg/L, 1.65 µg/L in Golden Horn, respectively. The concentrations of these three hormones are found higher in bottom water than the surface water and the highest concentrations of all hormones were determined in winter season.

Keywords

Supporting Institution

ISTANBUL UNIVERSITY

Project Number

31466

Thanks

This study was supported by Scientific Research Projects Coordination Unit of Istanbul University (Project No: 31466 and 33621). We also thank to Istanbul Metropolitan Municipality Environmental Protection and Control Department Marine Services Directorate for using their ships in this study.

References

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Details

Primary Language

English

Subjects

Engineering

Journal Section

Research Article

Publication Date

August 15, 2020

Submission Date

April 9, 2020

Acceptance Date

April 22, 2020

Published in Issue

Year 2020 Volume: 7 Number: 2

APA
Ersoy Korkmaz, N., Çağlar, N., Aksu, A., & Ünsal, T. (2020). Effect of Seasonal Changes on Steroid Hormones Concentrations in the Golden Horn Estuary (Sea of Marmara, Turkey). International Journal of Environment and Geoinformatics, 7(2), 157-164. https://doi.org/10.30897/ijegeo.717418
AMA
1.Ersoy Korkmaz N, Çağlar N, Aksu A, Ünsal T. Effect of Seasonal Changes on Steroid Hormones Concentrations in the Golden Horn Estuary (Sea of Marmara, Turkey). IJEGEO. 2020;7(2):157-164. doi:10.30897/ijegeo.717418
Chicago
Ersoy Korkmaz, Nagihan, Nuray Çağlar, Abdullah Aksu, and Tuba Ünsal. 2020. “Effect of Seasonal Changes on Steroid Hormones Concentrations in the Golden Horn Estuary (Sea of Marmara, Turkey)”. International Journal of Environment and Geoinformatics 7 (2): 157-64. https://doi.org/10.30897/ijegeo.717418.
EndNote
Ersoy Korkmaz N, Çağlar N, Aksu A, Ünsal T (August 1, 2020) Effect of Seasonal Changes on Steroid Hormones Concentrations in the Golden Horn Estuary (Sea of Marmara, Turkey). International Journal of Environment and Geoinformatics 7 2 157–164.
IEEE
[1]N. Ersoy Korkmaz, N. Çağlar, A. Aksu, and T. Ünsal, “Effect of Seasonal Changes on Steroid Hormones Concentrations in the Golden Horn Estuary (Sea of Marmara, Turkey)”, IJEGEO, vol. 7, no. 2, pp. 157–164, Aug. 2020, doi: 10.30897/ijegeo.717418.
ISNAD
Ersoy Korkmaz, Nagihan - Çağlar, Nuray - Aksu, Abdullah - Ünsal, Tuba. “Effect of Seasonal Changes on Steroid Hormones Concentrations in the Golden Horn Estuary (Sea of Marmara, Turkey)”. International Journal of Environment and Geoinformatics 7/2 (August 1, 2020): 157-164. https://doi.org/10.30897/ijegeo.717418.
JAMA
1.Ersoy Korkmaz N, Çağlar N, Aksu A, Ünsal T. Effect of Seasonal Changes on Steroid Hormones Concentrations in the Golden Horn Estuary (Sea of Marmara, Turkey). IJEGEO. 2020;7:157–164.
MLA
Ersoy Korkmaz, Nagihan, et al. “Effect of Seasonal Changes on Steroid Hormones Concentrations in the Golden Horn Estuary (Sea of Marmara, Turkey)”. International Journal of Environment and Geoinformatics, vol. 7, no. 2, Aug. 2020, pp. 157-64, doi:10.30897/ijegeo.717418.
Vancouver
1.Nagihan Ersoy Korkmaz, Nuray Çağlar, Abdullah Aksu, Tuba Ünsal. Effect of Seasonal Changes on Steroid Hormones Concentrations in the Golden Horn Estuary (Sea of Marmara, Turkey). IJEGEO. 2020 Aug. 1;7(2):157-64. doi:10.30897/ijegeo.717418

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