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Guanine-Assisted Contrived Low Pt-Integrated MoC/C for Hydrogen Evolution Reaction.
Langmuir
January 2025
Materials Chemistry Department, CSIR-Institute of Minerals and Materials Technology, Bhubaneswar, Odisha 751013, India.
Due to the high cost of the available Pt electrocatalysts, the large-scale water electrolysis production of hydrogen has been hindered. Hydrogen generation via electrochemical water splitting is a renewable energy essential to a sustainable society, creating a distinct material interface that shows Pt-like properties with long-term stability crucial to hydrogen evolution reactions (HERs). Here, we synthesized the guanine-assisted facile synthesis of 1 wt % Pt/MoC/C having a layered type morphology via solid state calcined process followed by chemical reduction.
View Article and Find Full Text PDFIonic liquid-modified magnetic covalent organic framework for the extraction of four pyrethroids in traditional Chinese herbs.
J Chromatogr A
January 2025
College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, 266109, China; Academy of Dongying Efficient Agricultural Technology and Industry on Saline and Alkaline Land in Collaboration with Qingdao Agricultural University, Dongying 257343, China. Electronic address:
Efficient enrichment of analytes and purification of matrices are crucial for the highly sensitive detection and monitoring of pesticides in traditional Chinese herbs. This work prepared magnetic ionic liquid-controlled covalent organic framework (IL-COF@FeO) as the sorbent via a simple in-situ precipitation polymerization and thiolene "click" strategy. The IL-COF@FeO exhibited remarkable adsorption performance towards pyrethroids within 5 min.
View Article and Find Full Text PDFOptimizing Nanobubble Production in Ceramic Membranes: Effects of Pore Size, Surface Hydrophobicity, and Flow Conditions on Bubble Characteristics and Oxygenation.
Langmuir
January 2025
John A. Reif, Jr. Department of Civil and Environmental Engineering, New Jersey Institute of Technology, 323 Martin Luther King Blvd., Newark, New Jersey 07102, United States.
Precise control of nanobubble size is essential for optimizing the efficiency and performance of nanobubble applications across diverse fields, such as agriculture, water treatment, and medicine. Producing fine bubbles, including nanobubbles, is commonly achieved by purging gas through porous media, such as ceramic or polymer membranes. Many operational factors and membrane properties can significantly influence nanobubble production and characteristics.
View Article and Find Full Text PDFBoosting Surface Coverage of CO Intermediates through Multimetallic Interface Interactions for Efficient CO Electrochemical Reduction.
Langmuir
January 2025
CHRIST University, Bangalore, Karnataka 560029, India.
Given the inherent challenges of the CO electroreduction (COER) reaction, solely from CO and HO, it is desirable to develop selective product formation pathways. This can be achieved by designing multimetallic nanocomposites that provide optimal CO coverage, allowing for tunability in the product formation. In this work, Ag and Zn codoped-SrTiO (ZAST) composite immobilized carbon black (CB)-modified GCE working electrode (ZAST@CB/GCE) was developed for the electrochemical conversion of CO to multicarbon products.
View Article and Find Full Text PDFUtilization of a Solid Waste Inhibitor for the Clean Flotation Enrichment of Phosphate Ores.
Langmuir
January 2025
State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Yunnan Key Laboratory of Green Separation and Enrichment of Strategic Mineral Resources, Faculty of Land Resources Engineering, Kunming University of Science and Technology, Kunming 650093, China.
The accumulation of phosphogypsum (PG) in the phosphorus chemical industry poses significant environmental challenges. Therefore, developing a harmless utilization method is crucial for alleviating these burdens and promoting sustainable industry practices. In this study, PG was used as a flotation inhibitor, enabling the flotation separation of apatite and dolomite based on the main components and dissolution behavior of PG.
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