To develop innovative mesoporous crosslinked poly(azomethine- sulfone)s with environmental applications, a simple Schiff base condensation technique based on barbituric acid BA or condensed terephthaldehyde barbituric acid TBA in their structures as monomeric units are applied. Different analysis methodologies and viscosity measurements identify them as having stronger heat stability and an amorphous structure. The photophysical features of the multi stimuli response MSR phenomenon are observable, with white light emission at higher concentrations and blue light emission at lower concentrations. Their emission characteristics make them an excellent metal ions sensor through diverse charge transfer methods. They can have a better inhibition efficiency and be employed as both mixed-type and active corrosion inhibitors according to their fluorescence emission with metals, demonstrating their capacity to bind with diverse metals. The adsorption of two distinct dye molecules, Methylene blue MB cationic and sunset yellow SY anionic, on the mesoporous structures of the polymers is investigated, revealing their selectivity for MB dye adsorption. Quantum studies support these amazing discoveries, demonstrating a crab-like monomeric unit structure for the one that is heavily crosslinked.
Background: Gentamicin (GNT) is a highly effective aminoglycoside antibiotic that is commonly used to treat life-threatening bacterial infections. Aim: The aim of the current study is to determine whether tadalafil can protect against GNT-induced nephrotoxicity. Methods: Twenty-four male Albino rats were used in the study, which were randomly divided into four groups, six animals each.Control untreated group received distilled water (5ml/kg, P.O) for 12 days and on days 6-12, they received (5ml/kg,i.p) normal saline daily, one hour after oral administration of distilled water.Tadalafil group received tadalafil (5mg/kg, P.O) for 12 days and on days 6-12, they received (5ml/kg,i.p) of normal saline daily, one hour after oral administration of tadalafil. Gentamicin group received distilled water (5ml/kg, P.O) and on days 6-12, they received gentamicin (011mg/kg,i.p) one hour after oral administration of distilled water. Gentamicin+Tadalafil group received tadalafil (5mg/kg, P.O) for 12 days and on days 6-12, they received gentamicin (100mg/kg,i.p) one hour after oral administration of tadalafil. Body weight and kidney weight were investigated. Urine volume as well as urinary albumin, creatinine, creatinine clearance and albumin /creatinine ratio (ACR) were evaluated. Besides, serum levels of urea and creatinine were measured as kidney function parameters.Renal tissues oxidative stress markers as malondialdehyde (MDA) and the antioxidant enzymes as superoxide dismutase (SOD) and catalase (CAT) activities. Renal cortex nitric oxide (NO) and kidney injury molecule-1 (KIM-1) were evaluated. Histological analysis and immunohistochemical expression of endothelial nitric oxide synthase (eNOS) and inducible nitric oxide synthase (iNOS) were
This study aims to develop an alternating polyketone containing cationic groups in one and four alternating positions for increased functionality. A novel polyarylidene ketone was synthesized using simple condensation polymerization of terephthaldehyde and 2,5-hexane dione (PAK) The physicochemical properties of the resulting polymer were evaluated using Fourier-transform infrared spectroscopy, thermogravimetric analysis, X-ray diffraction, UV-Visible absorbance, fluorescence, and SEM investigations. The findings show that the polymer is amorphous, has good thermal stability, and emits red light. It can also be used as a dye adsorbent in aqueous solutions, with high selectivity for the cationic dye methylene blue (MB). The adsorbent efficiency of PAK was measured as a function of pH, dosage, and initial dye concentration; the greatest dye removal of 96 % was obtained at pH 10, 50 mg dosage, and initial dye concentration of 20 ppm. Kinetics and isotherms were studied, showing that the pseudo-second-order model described kinetic data better than Freundlich and Langmuir and revealed a satisfactory chemisorption process. This study suggests that PAK can purify MB dyeing wastewater, remove Zn2+, Cu2+, Ni2+, Co2+, Cd2+, Fe3+ metal ions well, and is selective for Fe3+ and Cu2+; ion adsorption is chelating-based.
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