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Multivariate Optimization of Analytical Methodology and a First Attempt to an Environmental Risk Assessment of β-Blockers in Hospital Wastewater

Research output: Journal contributions › Journal articles › Research › peer-review

Standard

Multivariate Optimization of Analytical Methodology and a First Attempt to an Environmental Risk Assessment of β-Blockers in Hospital Wastewater. / Wilde, Marcelo Luis; Kümmerer, Klaus; Martins, Ayrton F.
In: Journal of the Brazilian Chemical Society, Vol. 23, No. 9, 25.09.2012, p. 1732-1740.

Research output: Journal contributions › Journal articles › Research › peer-review

Harvard

Wilde, ML, Kümmerer, K & Martins, AF 2012, 'Multivariate Optimization of Analytical Methodology and a First Attempt to an Environmental Risk Assessment of β-Blockers in Hospital Wastewater', Journal of the Brazilian Chemical Society, vol. 23, no. 9, pp. 1732-1740. https://doi.org/10.1590/S0103-50532012005000035

APA

Wilde, M. L., Kümmerer, K., & Martins, A. F. (2012). Multivariate Optimization of Analytical Methodology and a First Attempt to an Environmental Risk Assessment of β-Blockers in Hospital Wastewater. Journal of the Brazilian Chemical Society, 23(9), 1732-1740. https://doi.org/10.1590/S0103-50532012005000035

Vancouver

Wilde ML, Kümmerer K, Martins AF. Multivariate Optimization of Analytical Methodology and a First Attempt to an Environmental Risk Assessment of β-Blockers in Hospital Wastewater. Journal of the Brazilian Chemical Society. 2012 Sept 25;23(9):1732-1740. doi: 10.1590/S0103-50532012005000035

Bibtex

@article{ed35516dd54c473cade687bf5b2fb462,
title = "Multivariate Optimization of Analytical Methodology and a First Attempt to an Environmental Risk Assessment of β-Blockers in Hospital Wastewater",
abstract = "This preliminary study evaluated an assessment of the risks arising from environmental exposure to β-blockers from wastewater of an university hospital (University Hospital of Santa Maria (HUSM), Rio Grande do Sul State, Brazil). Propranolol showed the highest risk quotient (0.56). The occurrence of β-blockers was evaluated using an analytical procedure SPE‑HPLC-FLD (solid phase extraction-high performance liquid chromatography with fluorescence detection), optimizing the variables sample pH, water pH, and methanol:acetonitrile:formic acid ratio of the elution stage. The average concentrations of atenolol, metoprolol and propranolol for a sampling period of one week were 2.45 ± 1.14, 4.67 ± 1.63 and 0.70 ± 0.88 μg L–1 in the {\textquoteleft}Emergence{\textquoteright} sewage; 0.95 ± 0.68, 0.70 ± 0.33 and 0.315 ± 0.62 μg L–1 in the {\textquoteleft}HUSM general{\textquoteright} sewage and 1.26 ± 0.47, 1.27 ± 0.35 and 0.56 ± 0.47 μg L–1 in the {\textquoteleft}Receiving waters{\textquoteright}, the receptor stream of the effluents, respectively. Propranolol showed an MEC/PNEC ratio > 1, and thus requires more attention in terms of toxicity. The occurrence of β-blockers and the associated environmental risks demonstrate the need of a more efficient treatment system for the hospital wastewater.",
keywords = "Chemistry, risk assessment, hospital wastewater, β-blockers, response surface methodology, SPE-HPLC-FLD, β-blockers, Hospital wastewater, response surface methodology, Risk Assessment, SPE-HPLC-FLD, Sustainability Science",
author = "Wilde, {Marcelo Luis} and Klaus K{\"u}mmerer and Martins, {Ayrton F}",
year = "2012",
month = sep,
day = "25",
doi = "10.1590/S0103-50532012005000035",
language = "English",
volume = "23",
pages = "1732--1740",
journal = "Journal of the Brazilian Chemical Society",
issn = "1678-4790",
publisher = "Sociedade Brasileira de Qu{\'i}mica",
number = "9",

}

RIS

TY - JOUR

T1 - Multivariate Optimization of Analytical Methodology and a First Attempt to an Environmental Risk Assessment of β-Blockers in Hospital Wastewater

AU - Wilde, Marcelo Luis

AU - Kümmerer, Klaus

AU - Martins, Ayrton F

PY - 2012/9/25

Y1 - 2012/9/25

N2 - This preliminary study evaluated an assessment of the risks arising from environmental exposure to β-blockers from wastewater of an university hospital (University Hospital of Santa Maria (HUSM), Rio Grande do Sul State, Brazil). Propranolol showed the highest risk quotient (0.56). The occurrence of β-blockers was evaluated using an analytical procedure SPE‑HPLC-FLD (solid phase extraction-high performance liquid chromatography with fluorescence detection), optimizing the variables sample pH, water pH, and methanol:acetonitrile:formic acid ratio of the elution stage. The average concentrations of atenolol, metoprolol and propranolol for a sampling period of one week were 2.45 ± 1.14, 4.67 ± 1.63 and 0.70 ± 0.88 μg L–1 in the ‘Emergence’ sewage; 0.95 ± 0.68, 0.70 ± 0.33 and 0.315 ± 0.62 μg L–1 in the ‘HUSM general’ sewage and 1.26 ± 0.47, 1.27 ± 0.35 and 0.56 ± 0.47 μg L–1 in the ‘Receiving waters’, the receptor stream of the effluents, respectively. Propranolol showed an MEC/PNEC ratio > 1, and thus requires more attention in terms of toxicity. The occurrence of β-blockers and the associated environmental risks demonstrate the need of a more efficient treatment system for the hospital wastewater.

AB - This preliminary study evaluated an assessment of the risks arising from environmental exposure to β-blockers from wastewater of an university hospital (University Hospital of Santa Maria (HUSM), Rio Grande do Sul State, Brazil). Propranolol showed the highest risk quotient (0.56). The occurrence of β-blockers was evaluated using an analytical procedure SPE‑HPLC-FLD (solid phase extraction-high performance liquid chromatography with fluorescence detection), optimizing the variables sample pH, water pH, and methanol:acetonitrile:formic acid ratio of the elution stage. The average concentrations of atenolol, metoprolol and propranolol for a sampling period of one week were 2.45 ± 1.14, 4.67 ± 1.63 and 0.70 ± 0.88 μg L–1 in the ‘Emergence’ sewage; 0.95 ± 0.68, 0.70 ± 0.33 and 0.315 ± 0.62 μg L–1 in the ‘HUSM general’ sewage and 1.26 ± 0.47, 1.27 ± 0.35 and 0.56 ± 0.47 μg L–1 in the ‘Receiving waters’, the receptor stream of the effluents, respectively. Propranolol showed an MEC/PNEC ratio > 1, and thus requires more attention in terms of toxicity. The occurrence of β-blockers and the associated environmental risks demonstrate the need of a more efficient treatment system for the hospital wastewater.

KW - Chemistry

KW - risk assessment

KW - hospital wastewater

KW - β-blockers

KW - response surface methodology

KW - SPE-HPLC-FLD

KW - β-blockers

KW - Hospital wastewater

KW - response surface methodology

KW - Risk Assessment

KW - SPE-HPLC-FLD

KW - Sustainability Science

UR - https://www.mendeley.com/catalogue/2d1b374c-6fc4-3c00-9203-b07e91abb861/

U2 - 10.1590/S0103-50532012005000035

DO - 10.1590/S0103-50532012005000035

M3 - Journal articles

VL - 23

SP - 1732

EP - 1740

JO - Journal of the Brazilian Chemical Society

JF - Journal of the Brazilian Chemical Society

SN - 1678-4790

IS - 9

ER -

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