Occurrence, Bioaccumulation, and Potential Risks of Steroid Hormones in Freshwater Aquaculture Ponds in South China

Water, Год журнала: 2024, Номер 16(20), С. 2872 - 2872

Опубликована: Окт. 10, 2024

Steroid hormones, recognized as emerging environmental contaminants, have garnered increasing attention in recent years. The present work studied the distribution characteristics environment, bioaccumulation aquatic products, and associated health risks of typical steroid hormones from commercial freshwater aquaculture farms operating under different modes (monoculture polyculture). Totals 9 14 were detected water sediment samples, with concentrations ranging 0.66 ± 0.17 ng/L to 40.5 5.08 0.36 0.08 ng/g 123 19.9 ng/g, respectively. Hazard index (HI) calculations indicated that all sampling locations identified medium or high risk for both matrices. Nineteen steroids at least one type tissue, bile, plasma, muscle, liver, gill <LOQ 52.6 4.82 ng/L, 41.9 4.80 0.07 321 19.1 1140 107 0.03 1450 239 Furthermore, four synthetic exhibited significant across various tissues, such MLA bile 5α-DHP (BAF > 5000 L/kg). Notably, despite low estimated daily intakes (EDIs) (0.43–6.43 ng/day/person 18.7 ng/day/person) hazard quotients (HQs) (below 4.188 × 10−7), factors (BAFs) underscore necessity stringent regulatory measures by local governments. Additionally, a comparison EDI results fish species revealed hormone-related humans are influenced mode. This study consumption poly-cultured (e.g., bighead carp) may pose greater steroid-related risk, compared mono-cultured fish.

Язык: Английский

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Comparison of the pH- and NH3-sensitivity of chitosan/polyvinyl alcohol smart films containing anthocyanins or betacyanins for monitoring fish freshness

Carbohydrate Polymer Technologies and Applications, Год журнала: 2024, Номер unknown, С. 100639 - 100639

Опубликована: Дек. 1, 2024

Язык: Английский

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Development of a selective graphene quantum dots based electrochemical sensor for the determination of estrone in different water matrices and synthetic urine

Electroanalysis, Год журнала: 2023, Номер 35(9)

Опубликована: Май 9, 2023

Abstract Estrone (E1) is associated with various health and environmental issues, necessitating the development of analytical methods for monitoring E1 in different matrices. In this context, present study reports a graphene quantum dot‐based electrode (GQD/E) to detect estrone water urine samples. Voltammetric measurements under optimized conditions demonstrated feasibility using GQD/E at trace levels aqueous Two linear dynamic ranges were obtained concentrations from 0.05 10.00 μmol L −1 , limit detection (LOD) quantification (LOQ) 28.0 96.0 nmol respectively. Furthermore, LOD value one lowest ever reported literature electrochemical determination E1. The method response showed no significant variation current intensity presence 16 interferents. recovery values by quantify fortified samples seawater, tap water, wastewater synthetic ranged 95.9 108.1 %, indicating that presents highly sensitive detecting

Язык: Английский

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Determination of steroid hormone residues in farmed fish using high-resolution orbital ion trap mass spectrometry

Analytical Methods, Год журнала: 2022, Номер 14(41), С. 4146 - 4152

Опубликована: Янв. 1, 2022

A method for the determination of 15 steroid hormones in farmed fish by liquid chromatography-orbital ion trap mass spectrometry has been developed and validated. The involved sample preparation with acetonitrile extraction clean-up, separation LC using a C18 column. orbital MS was operated at resolution 35 000 FWHM selected monitoring mode. An source heated electrospray ionization used positive samples were prepared solid-phase extraction. limit quantification 2 μg kg-1. Good linearity observed since correlation coefficients more than 0.99 all compounds. Recoveries spiked (2 kg-1 20 kg-1) ranged from 80.8% to 112.6% relative deviations less 15%. successfully applied detect real level.

Язык: Английский

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Green Synthesis of Surface Modified Biochar for Simultaneous Removal of Steroidal Hormones and Heavy Metals from Wastewater: Optimisation by Central Composite Design

Water, Год журнала: 2023, Номер 15(20), С. 3703 - 3703

Опубликована: Окт. 23, 2023

The modification of pristine biochar derived from the waste sweet prickly pear using green method to produce nano-sized (nanobiochar) for removal steroidal hormones and heavy metals water wastewater is reported in this study. Based on characterisation results FTIR, Raman spectroscopy, XPS, material had (COOH), (C=O), (OH) functional groups typical graphitic amorphous carbon. SEM-EDS XRD showed that was mesoporous nature. BET analysis revealed surface area significantly increased 220.1 m2/g 354.6 after biochar. TGA-DSC results, thermally stable up 550 °C. A complete factorial experimental design Minitab 21 Statistical Software (version 18.1) employed optimise adsorption conditions. F-values p-values lack-of-fit model acceptability significance ANOVA model. Freundlich isotherm found provide a better fit steroid data than Langmuir isotherm, with moderate values R2 ≥ 0.92 0.95 Freundlich, as well maximum capacities 14.53 mg/g, 10.58 12.50 5.73 5.63 9.75 mg/g obtained estriol, α-oestradiol, β-oestradiol, testosterone, progesterone, bisphenol A. were lower metal adsorption, 8.58 4.15 6.95 nickel, cadmium, lead, respectively. percentage effluents influents between 84–89% 78–86% metals, highest 90–95% spiked ultrapure both metals. exhibited 60% first four cycles.

Язык: Английский

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