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Enhancement of Methylene Blue Adsorption by Acid-Base Neutralization-Induced Bulging MXene/RGO Composite Foams.
Langmuir
December 2024
School of Medical Engineering, Xinxiang Medical University, Xinxiang, Henan 453003, People's Republic of China.
Nanocomposite films made from graphene oxide (GO) and MXene have a dense layered structure due to nanosheet self-stacking, limiting their dye adsorption performance. In this study, acid-base neutralization reactions are used to induce MXene/reduced graphene oxide (RGO) films bulging, which opens the stacked layer structure within the membrane and enhances MB adsorption performance. The effects of the pH, temperature, contact time, and initial concentration of MB on the adsorption performance are further investigated.
View Article and Find Full Text PDFSodium-chloride difference is not strongly correlated with base excess in chronic kidney disease: an anion gap problem.
Int Urol Nephrol
November 2024
Department of Internal Medicine 1, Pyhrn-Eisenwurzenklinikum Steyr, Steyr, Austria.
Introduction: The prevalence of metabolic acidosis is high in patients with chronic kidney disease (CKD). For the diagnosis, a blood gas analysis is necessary, but not always available. The aim of the study was to evaluate the base excess (BE) of the sodium-chloride difference (BE = Na-Cl-34 mmol/l) as a screening parameter for hyperchloremic metabolic acidosis.
View Article and Find Full Text PDFBoosting the Structural and Electrochemical Stability of Chloride-Ion-Conducting Perovskite Solid Electrolytes by Alkali Ion Doping.
Adv Mater
January 2025
State Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu Collaborative Innovation Center for Advanced Inorganic Functional Composites, College of Materials Science and Engineering, Nanjing Tech University, Nanjing, 211816, China.
The use of chloride-based solid electrolytes derived from Lewis acid‒base reactions enables the construction of various new rechargeable batteries, such as chloride ion batteries (CIBs). However, a critical problem with these electrolytes is their poor stability under low-temperature, moist, or electrochemical conditions, which can lead to deterioration of the phase structure and a loss of ion conduction. Herein, the robust cubic structure of tin-based perovskite chloride-a chloride ion conductor-is achieved by alkali ion doping at the tin site via direct mechanical milling.
View Article and Find Full Text PDFMEDOC: A fast, scalable and mathematically exact algorithm for the site-specific prediction of the protonation degree in large disordered proteins.
bioRxiv
October 2024
Max-Planck-Institut für Immunbiologie und Epigenetik (MPI-IE) Stübeweg 51, 79108 Freiburg im Breisgau, Germany.
Intrinsically disordered regions are found in most eukaryotic proteins and are enriched in positively and negatively charged residues. While it is often convenient to assume these residues follow their model-compound pK values, recent work has shown that local charge effects (charge regulation) can upshift or downshift sidechain pK values with major consequences for molecular function. Despite this, charge regulation is rarely considered when investigating disordered regions.
View Article and Find Full Text PDFCOF-derived porous nitrogen-doped carbon for removal of emerging organic contaminants and efficient uranium extraction from seawater.
Chemosphere
October 2024
Hebei Key Lab of Power Plant Flue Gas Multi-Pollutants Control, Department of Environmental Science and Engineering, North China Electric Power University, Baoding, 071003, PR China.
Article Synopsis
- The study focuses on developing a new material, porous nitrogen-doped carbon (PNC), to effectively extract uranium from seawater while addressing challenges posed by contaminants in the marine environment.
- The synthesized PNC shows improved pollutant removal capabilities compared to its predecessor COF-LZU1, retaining structural integrity and stability in various conditions.
- LZU1@PNC demonstrated strong performance across multiple desorption-regeneration cycles, indicating its stability and recyclability, and offers insights into utilizing COF-derived materials for broader environmental applications.
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