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Comparison of physico-chemical properties of different types of orthopedic acrylic cement.
J Biomater Sci Polym Ed
January 2025
Novel Drug Delivery Systems Laboratory, Faculty of Pharmacy, Medical Sciences/University of Tehran, Tehran, Iran.
Analyzing the chemical composition of different kinds of acrylic cement is necessary to understand their properties and suitability for curing bone defects. Conducting various chemical tests can give valuable insight into the composition, viscosity, and performance characteristics of each kind of cement, Therefore, our study aimed to find safety standards and the effectiveness of these products for medical applications. The polymeric characterization was determined by Nuclear Magnetic Resonance (H-NMR) spectroscopy and Fourier-transform infrared spectroscopy (FTIR).
View Article and Find Full Text PDFStructural characterization of polysaccharides from Polygonatum Sibiricum and effect on alleviating hyperlipidemia in egg yolk emulsion-induced mice.
Int J Biol Macromol
January 2025
Department of Endocrinology, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing 400014, China. Electronic address:
Polysaccharides are the major bioactive composition of Polygonatum sibiricum (P. sibiricum). However, the structural and functional identifications of these polysaccharides were still limited.
View Article and Find Full Text PDFDynamically Cyclic Fe/Fe Active Sites as Electron and Proton-Feeding Centers Boosting CO Photoreduction Powered by Benzyl Alcohol Oxidation.
Research (Wash D C)
January 2024
School of Resources and Environment, Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China.
Solar-driven CO photoreduction holds promise for sustainable fuel and chemical productions, but the complex proton-coupled multi-electron transfer processes and sluggish oxidation half-reaction kinetics substantially hinder its efficiency. Here, we devised a rational catalyst design to address these challenges by fabricating ferrocene carboxylic acid-functionalized CsSbBr nanocrystals (CSB-Fc NCs), which facilitate simultaneous benzyl alcohol oxidation and CO reduction reactions under visible-light irradiation. The synchronized proton-coupled electron transfer processes between the reduction and oxidation half-reactions on CSB-Fc NCs resulted in a 5-fold increase in the CO reduction rate (45.
View Article and Find Full Text PDFComparative Investigation of Untargeted and Targeted Metabolomics in Turmeric Dietary Supplements and Rhizomes.
Foods
December 2024
Methods and Application of Food Composition Laboratory, Beltsville Human Nutrition Research Center, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, MD 20705, USA.
In the present study, we analyzed the bioactive curcuminoids content in eight capsules (DS-1-DS-7 and DS-9), one tablet (DS-8), three ground turmeric samples (DS-10-DS-12), and three ground turmeric rhizomes (TR-1, TR-2, and TR-3). Initial screening with infrared and ultraviolet-visible spectroscopy coupled with a principal component analysis (PCA) revealed distinct differences between the samples analyzed. Hence, targeted and untargeted analyses were performed using ultra-high-performance liquid chromatography and gas chromatography coupled with mass spectrometry detections.
View Article and Find Full Text PDFMinimum-Run Resolution IV Design for Optimized Bio Removal of Fe Using Aqueous Extract and Its Extract-Coated Silver Nanoparticles.
Plants (Basel)
December 2024
Botany and Microbiology Department, Faculty of Science, Damanhour University, Damanhour 22511, Egypt.
Biosorbents have demonstrated considerable potential for the remediation of metals in aqueous environments. An aqueous extract of L. (EiE) and its extract-coated silver nanoparticles have been prepared and employed for the removal of iron.
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