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Efficient removal of pharmaceuticals from wastewater: Comparative study of three advanced oxidation processes.
J Environ Manage
January 2025
Department of Separation Science, School of Engineering Science, Lappeenranta-Lahti University of Technology (LUT), Yliopistonkatu 34, 53850, Lappeenranta, Finland.
As the global consumption of pharmaceuticals increases, so does their release into water bodies. The effects, although not fully understood, can be detrimental to aquatic ecosystems and human health. The new Urban Wastewater Treatment Directive (UWWTD) in European Union requires implementation of quaternary wastewater treatment processes to limit the loads of pharmaceuticals reaching water bodies.
View Article and Find Full Text PDFThermosensitive In Situ Ophthalmic Gel for Effective Local Delivery and Antifungal Activity of Ketoconazole Nanoparticles.
Gels
December 2024
Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand.
Fungal keratitis is a severe ocular infection caused by pathogenic fungi, leading to potential vision loss if untreated. Current antifungal treatments face limitations such as low solubility, poor corneal penetration, and limited therapeutic options. This study aimed to develop a thermosensitive in situ gel incorporating ketoconazole nanoparticles (NPs) to enhance drug solubility, stability, and antifungal activity.
View Article and Find Full Text PDFHigh-throughput screening to identify endocrine disruptors: Contribution of low-resolution tandem MS and high-resolution MS.
Anal Chim Acta
February 2025
Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000, Rennes, France.
Background: Considering the large diversity of chemicals present in the environment and the need to study their effects (alone or as mixtures), the development of high-throughput in vitro assays in line with the Replacement, Reduction, Refinement (3R) strategy is essential for chemical risk assessments.
Results: We developed a robust analytical workflow based on both low resolution tandem mass spectrometry (MS/MS) and high-resolution mass spectrometry (HRMS) to quantify 13 steroids in NCI-H295R cell culture medium, human plasma and serum. The workflow was validated by screening media from the NCI-H295R cell line exposed in dose-response experiments to 5 endocrine disruptors (EDs) such as bisphenol A, prochloraz, ketoconazole, atrazine and forskolin.
Tolterodine is a novel candidate for assessing CYP3A4 activity through metabolic volatiles to predict drug responses.
Sci Rep
January 2025
Institute for Breath Research, University of Innsbruck, Innrain 80/82, Innsbruck, 6020, Austria.
Cytochrome P450 (CYP) 3A4 plays a major role in drug metabolism. Its activity could be determined by non-invasive and cost-effective assays, such as breath analysis, for the personalised monitoring of drug response. For the first time, we identify an isotopically unlabelled CYP3A4 substrate, tolterodine that leads to the formation of a non-toxic volatile metabolite, acetone, which could potentially be applied to monitor CYP3A4 activity in humans.
View Article and Find Full Text PDFis overexpressed in keloid keratinocytes and its inhibition alters profibrotic gene expression.
Burns Trauma
January 2025
Department of Surgery, University of Cincinnati College of Medicine, 231 Albert Sabin Way, Cincinnati, OH, 45267, USA.
Background: Keloids are disfiguring, fibrotic scar-like lesions that are challenging to treat and commonly recur after therapy. A deeper understanding of the mechanisms driving keloid formation is necessary for the development of more effective therapies. Reduced vitamin D receptor (VDR) expression has been observed in keloids, implicating vitamin D signaling in keloid pathology.
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