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Identification of dissipation pathways for pharmaceuticals in soils - a modelling approach.
Environ Sci Process Impacts
January 2025
Eberhard Karls University of Tübingen, Department of Geosciences, Schnarrenbergstraße 94-96, 72076 Tübingen, Germany.
Concentrations of pollutants like pharmaceuticals in soils typically decrease over time, though it often remains unclear whether this dissipation is caused by the transformation of the pollutant or a decreasing extractability. We developed a mathematical model that (1) explores the plausibility of different dissipation pathways, and (2) allows the quantification of concentration differences between aqueous soil extracts and soil solution. The model considers soil particles as uniform spheres, kinetic sorption towards an equilibrium (Freundlich model), and two dissipation pathways, irreversible transformation and mineralization (following 1 order kinetics) as well as the formation of non-extractable residues intraparticle diffusion.
View Article and Find Full Text PDFRole of procalcitonin, C reactive protein and ferritin in cytokine release syndrome after CAR T-cell therapy in children and young adults.
Biomarkers
January 2025
Pediatric Intensive Care Unit, Hospital Sant Joan de Déu-University of Barcelona, Barcelona, Spain.
PurposeChimeric antigen receptor (CAR) T-cell CD19 therapy has changed the treatment paradigm for patients with relapsed/refractory B-cell acute lymphoblastic leukemia. It is frequently associated with potentially severe toxicities: cytokine release syndrome (CRS) and immune effector cell-associated neurotoxicity syndrome (ICANS), and admission to PICU is often required. Some biomarkers seem to correlate with CRS severity.
View Article and Find Full Text PDFAn Anionic Mesoionic Carbene (anMIC) and its Transformation to Metallo MIC-Boranes: Synthesis and Properties.
Angew Chem Int Ed Engl
January 2025
Freie Universitat Berlin, Chemistry and Biochemistry, Fabeckstraße 34-36, 14195, Berlin, GERMANY.
Neutral mesoionic carbenes (MICs) based on a 1,2,3-triazole core have had a strong impact on various branches of chemistry such as homogeneous catalysis, electrocatalysis, and photochemistry/photophysics. We present here the first general synthesis of anionic mesoionic carbenes (anMICs) based on a 1,2,3-triazole core and a borate backbone. The free anMIC is stable in solution under an inert atmosphere at low temperatures, and can be stored for several weeks.
View Article and Find Full Text PDFProbing Native CB2 Receptor Mobility in Plasma Membranes of Living Cells by Fluorescence Recovery After Photobleaching.
Chembiochem
January 2025
University of Teramo: Universita degli Studi di Teramo, Veterinary Medicine, Piano d'Accio snc, 64100, Teramo, ITALY.
In this study, we employed a novel fluorescent probe, RO7304924-which selectively targets cannabinoid 2 receptor (CB2R)-to assess the lateral mobility of CB2R within the plasma membrane of Chinese hamster ovary cells stably expressing a functional, untagged receptor variant. Utilizing confocal fluorescence recovery after photobleaching (FRAP), we quantified the diffusion coefficient and mobile fraction of CB2R, thereby demonstrating the efficacy of RO7304924 as an innovative tool for elucidating the dynamics of this major endocannabinoid-binding G protein-coupled receptor. Our present findings highlight the potential of combining advanced ligand-based fluorescent probes with FRAP for future investigations into the biochemical details of CB2R mobility in living cells, and its impact on receptor-dependent cellular processes.
View Article and Find Full Text PDFKW2478 and Cisplatin Synergistically Anti-colorectal Cancer by Targeting PI3K/AKT/mTOR Pathway.
Anticancer Agents Med Chem
January 2025
Laboratory Animal Center, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, 067000, P.R. China.
Objective: The objective of this study is to examine the impact of KW-2478 combined with DDP on colorectal cancer cells both in vitro and in vivo and to elucidate the molecular mechanism of KW-2478 in colorectal cancer.
Methods: qRT-PCR and Western blot were employed to assess HSP90 mRNA and protein expression in normal intestinal epithelial and colorectal cancer cells. DLD-1 and HCT116 were selected for the experiment.
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