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Self-assembly of the imidazolium surfactant in aprotic ionic liquids. The anion effect of aprotic ionic liquids.
Soft Matter
September 2024
School of Materials and Chemical Engineering, Xuzhou University of Technology, Xuzhou 221018, P. R. China.
The structure of ionic liquids (ILs) has an influence on their physiochemical properties, determining their performance as self-assembly media. In this study, we focus on the anion effect of aprotic ionic liquids (AILs). The aggregation behaviours of the cationic surfactant 1-hexadecyl-3-methylimidazolium bromide (CmimBr) have been investigated in the imidazolium AILs with the 1-ethyl-3-methyl imidazolium cation and different anions, including nitrate, ethylsulfate, bis(trifluoromethylsulfonyl) imide and tetrafluoroborate.
View Article and Find Full Text PDFDevelopment and performance evaluation of online monitors for near real-time measurement of total and water-soluble organic carbon in fine and coarse ambient PM.
Atmos Environ (1994)
February 2024
University of Southern California, Department of Civil and Environmental Engineering, Los Angeles, California, USA.
In this study, we developed two online monitors for total organic carbon (TOC) and water-soluble organic carbon (WSOC) measurements in fine (d < 2.5μm) and coarse (2.5μm < d < 10μm) particulate matter (PM), respectively.
View Article and Find Full Text PDFSynthesis of Tropine-Based Functionalized Acidic Ionic Liquids and Catalysis of Esterification.
Int J Mol Sci
October 2022
College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China.
Some traditional acidic ionic liquids (AILs) have shown great catalytic potential in esterification; meanwhile, the design and application of more new AILs are expected at present.Tropine-based functionalized acidic ionic liquids (FAILs) were synthesized to realize esterification catalysis for the first time; with aspirin synthesis as the template reaction, key influences on the substrate conversion and product yield of the synthesis, such as IL type, ratio of salicylic acid to acetic anhydride, temperature, reaction time and amount of IL, were investigated. The new tropine-based FAILs exhibited excellent performance in catalytic synthesis of aspirin with 88.
View Article and Find Full Text PDFThe Hippocratic Oath.
Linacre Q
August 2022
Pediatric Critical Care, Cook Children's Medical Center, Fort Worth, TX, USA.
The Hippocratic Oath is the oldest and wisest description of our profession. It contains profound wisdom on the nature of health, healing, and the relationships both within and without that are necessary to the good practice of medicine. The practices described in its lines are antidotes for much of what ails modern medicine.
View Article and Find Full Text PDFPolymer Zwitterion-Based Artificial Interphase Layers for Stable Lithium Metal Anodes.
ACS Appl Mater Interfaces
December 2021
State Key Lab of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, P. R. China.
Article Synopsis
- Lithium metal batteries (LMBs) are seen as the future of rechargeable batteries due to their high energy density, but issues like low efficiency and dendrite growth are major hurdles in their use.!* -
- Researchers have developed new artificial interphase layers (AILs) using polymer zwitterions that enhance lithium ion transport and stability, addressing the problems faced by lithium metal anodes.!* -
- By adjusting the weight ratio of specific chemical groups in the AILs, the modified lithium metal anodes demonstrated long-lasting performance and stable charging cycles, potentially paving the way for safer lithium metal batteries.!*
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