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Selective extraction process of scandium from nickel laterite waste through hydrometallurgy.
RSC Adv
January 2025
Kunming Metallurgical Research Institute Co., Ltd Kunming 650000 China.
Scandium (Sc) extraction from iron and aluminum waste is a promising technique for the recycling and valorization of laterite nickel ore waste. Iron and aluminum waste is one source of scandium during preparation of nickel and cobalt hydroxide by wet smelting of laterite nickel ore. The content of Sc is notably higher than that of the raw materials, as the element is enriched in the iron and aluminum waste.
View Article and Find Full Text PDFReductive sulfinylation by nucleophilic chain isomerization of sulfonylpyridinium.
Nat Commun
January 2025
Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, 163 Xianlin Avenue, 210023, Nanjing, China.
Sulfur-containing units are fundamental components widely found in bioactive compounds, prompting notable efforts toward developing synthetic methodologies for incorporating sulfur functionality into organic precursors. The synthesis of sulfinate esters and sulfinamides has garnered significant interest owing to their immense potential for applications, especially in drug development. However, most existing synthetic protocols suffer from some limitations.
View Article and Find Full Text PDFClinical and metagenomic predicted antimicrobial resistance in pediatric critically ill patients with infectious diseases in a single center of Zhejiang.
Ann Clin Microbiol Antimicrob
December 2024
Department of Pediatric Intensive Care Unit, Children's Hospital, Zhejiang University School of Medicine, 3333 Binsheng Road, Binjiang District, Hangzhou, Zhejiang, China.
Article Synopsis
- Antimicrobial resistance (AMR) poses a major risk to pediatric patients, especially in intensive care settings, highlighting the need for accurate identification of pathogens and resistance patterns to improve outcomes.
- A study analyzed data from 113 critically ill children in a pediatric intensive care unit, utilizing advanced sequencing techniques to identify pathogens and resistance genes, revealing a significant correlation between AMR and poorer clinical outcomes.
- The findings indicated that patients with AMR (AMRT+) had a higher prevalence of immunocompromised and underlying conditions, along with increased inflammatory markers, longer hospital stays, and a greater prevalence of certain resistant Gram-negative bacteria compared to those without AMR (AMRT-).
Aspergillus flavipes L-methionine γ-lyase-β-cyclodextrin conjugates with improved stability, catalytic efficiency and anticancer activity.
Sci Rep
November 2024
Enzymology and Fungal Biotechnology Lab, Botany and Microbiology Department, Faculty of Science, Zagazig University, Zagazig, 44519, Egypt.
Aspergillus flavipes L-methionine γ-lyase (MGL) has been authenticated as a powerful anticancer agent towards various solid tumors, however, the catalytic efficiency and stability of this enzyme remains the main challenge for its further in vivo applications. Thus, the objective of this study was to enhance the catalytic efficiency, structural stability of A. flavipes MGL, in addition to boost their anticancer activity, via conjugation with β-cyclodextrin.
View Article and Find Full Text PDFBox-Behnken design (BBD) for optimization and simulation of biolubricant production from biomass using aspen plus with techno-economic analysis.
Sci Rep
September 2024
Chemical Engineering Department, Egyptian Academy for Engineering and Advanced Technology (EAEAT), Km 3 Cairo-Belbeis, Desert Road, PO box 3056, Cairo, Arab Republic of Egypt.
Article Synopsis
- The growing limitations of traditional lubricants have led to an increase in the demand for biolubricants, which are sustainable, biodegradable, and non-toxic alternatives derived from renewable resources like vegetable oils and animal fats.
- In this study, a novel approach was taken by producing biolubricants using biodiesel from blending animal fats and waste cooking oil, optimized using response surface methodology (RSM) to achieve a high yield of 91.56% under specific reaction conditions.
- The resulting biolubricant showed promising properties such as a pour point of -9 °C and a flash point of 192 °C, meeting favorable standards for lubricants, and the production process was simulated using Aspen Plus for further
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