Biochar-based polymeric film as sustainable and efficient sorptive phase for preconcentration of steroid hormones in environmental waters and wastewaters

Analytica Chimica Acta, Journal Year: 2024, Volume and Issue: 1308, P. 342658 - 342658

Published: April 28, 2024

The environmental impact of sample preparation should be minimized through simplification the procedures and use natural, renewable and/or reusable materials. In such scenario, thin-film microextraction fulfils former criteria, as it enables few steps miniaturization, thus small amount extraction phase. At same time, sorbents biochars obtained from biomass waste is even more promoted due to their availability at low cost increased life-cycle in a circular economy vision. However, not always easy combine these criteria preparation. A thin film was developed for determination steroids aqueous samples, entailing membrane made cellulose triacetate wood-derived biochar (Nuchar®) carbon precursor. Different characterization techniques showed successful preparation, whereas sorption kinetics experiments demonstrated that responsible with polymer acting smart support. After study about membranes' composition terms amounts (4%, 10%, 16% wt) type synthesis set up, ceramic 3D-mold selected, achieving reproducible ready-to-use membranes fixed 10%. elution conditions, viz. time agitation, type, volume eluent, were evaluated. final followed by HPLC-MS/MS quantification successfully validated river wastewater treatment plant effluents samples accuracy (R% 64-123%, RSD<19% river; R% 61-118%, RSD <18% effluent), sensitivity (MQLs 0.2-8.5 ng L-1) robustness. This novel biochar-based polymeric proved valid sustainable sorbent, capability, ease greenness. By comparison literature greenness evaluation most recent metric tool, this method expands potential applicability open up innovative scenarios entrapped bio-polymers.

Language: Английский

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Sample treatment for the determination of steroid hormone contaminants in water samples: Analytical greenness assessment

TrAC Trends in Analytical Chemistry, Journal Year: 2023, Volume and Issue: 169, P. 117393 - 117393

Published: Oct. 30, 2023

Steroid hormones are a class of natural and/or synthetic organic compounds widely used in human and veterinary medicine, but also known as endocrine-disrupting chemicals because their endocrine activity that makes presence water bodies reason concern. To date, many sample treatment protocols have been developed for sensitive determination, mainly entailing liquid- solid-phase extractions, which the focus this review. Most procedures last four years already simplified improved whole throughput, positive contribution can be further overall impact analytical methods. In such scenario, metric tool named AGREEprep has here applied to highlight strengths weaknesses selected procedures, critically assessing on environment according ten principles green preparation.

Language: Английский

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A polyacrylate-based biomaterial for improved sample treatment: Application towards multiclass extraction of steroid hormones in drinking water and different milk samples

Microchemical Journal, Journal Year: 2025, Volume and Issue: unknown, P. 112767 - 112767

Published: Jan. 1, 2025

Language: Английский

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Glucose‐Facilitated Nanomicelles Cross Peripheral Nerve Barriers to Achieve Drug Delivery to Nerves

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 26, 2025

Abstract Injecting nerve‐blocking agents near peripheral nerves is a clinical option for treating post‐operative and chronic pain. However, the nerve barriers (PNBs) pose physiological barrier that hinders permeation of through PNBs, ultimately affecting their efficacy on neurons. Here, glucose‐modified nanomicelles (Glu‐NMs) are developed self‐assembled from glucose‐functionalized 3‐aminophenylboronic acid‐ polyethylene glycol‐ stearic acid polymer (GLU‐PBA‐PEG‐SA) Pluronic P 123 . It demonstrated Glu‐NMs exhibit enhanced cellular uptake by perineurial cells improved PNBs in rats, compared to unmodified (NMs). This enhancement facilitated carrier‐mediated transport glucose transporters. A single injection capsaicin‐loaded (CAP@Glu‐NMs) containing 1 mg capsaicin at sciatic rats resulted nociceptive‐selective blockade lasting 48.0 ± 19.6 h, which seven times longer than duration achieved with an equivalent dose plain twice as long NMs (CAP@NMs). Furthermore, CAP@Glu‐NMs significantly mitigate capsaicin‐associated side effects result benign local tissue reactions.

Language: Английский

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Preparation of a sustainable magnetic sorbent for the extraction and preconcentration of progestogens in natural water samples

Talanta, Journal Year: 2024, Volume and Issue: 276, P. 126189 - 126189

Published: April 29, 2024

Language: Английский

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Recent trends in the use of silica-based materials and their composites in extraction techniques: A review

TrAC Trends in Analytical Chemistry, Journal Year: 2024, Volume and Issue: 180, P. 117910 - 117910

Published: Aug. 13, 2024

Language: Английский

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Improving sample preparation by biochar-coated sampling tubes: proof-of-concept extraction of sex hormones from real waters

Advances in Sample Preparation, Journal Year: 2024, Volume and Issue: unknown, P. 100129 - 100129

Published: Sept. 1, 2024

Language: Английский

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Facile synthesis of active sites-rich magnetic adsorbent by simple one-pot hydrothermal strategy for quick and highly capable capture of female-steroid hormones

Microchemical Journal, Journal Year: 2024, Volume and Issue: 207, P. 111971 - 111971

Published: Oct. 21, 2024

Language: Английский

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