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Mechanistic Insights into CO Adsorption of LiSiO at High Temperature.
Materials (Basel)
January 2025
Hunan Key Laboratory of Applied Environmental Photocatalysis, School of Materials and Environmental Engineering, Changsha University, Changsha 410022, China.
The development of materials with high adsorption capacity for capturing CO from industrial exhaust gases has proceeded rapidly in recent years. LiSiO has attracted attention due to its low cost, high capture capacity, and good cycling stability for direct high-temperature CO capture. Thus far, the CO adsorption mechanism of LiSiO is poorly understood, and detailed phase transformations during the CO adsorption process are missing.
View Article and Find Full Text PDFLead Adsorption and Desorption at the Barite (001) Surface in the Presence of EDTA.
ACS ES T Water
January 2025
School of Earth and Environmental Sciences, Queens College, City University of New York, Queens, New York 11367, United States.
Scaling minerals, such as barite, can cause detrimental consequences for oil/gas pipelines and water systems, but their formation can be inhibited by organic chelators such as ethylenediaminetetraacetic acid (EDTA). Here, we resolve how EDTA affects sorption and desorption of Pb at the barite (001) surface using a combination of X-ray scattering and microscopy measurements. In the presence of EDTA, Pb incorporated in the topmost part of the barite surface and adsorbed as inner-sphere complexes on the surface.
View Article and Find Full Text PDFSynthesis of Arsenocholine-Type Polycation Brush and Its Hydration Structure in Aqueous Solution.
Langmuir
January 2025
School of Advanced Engineering, Kogakuin University, Tokyo 192-0015, Japan.
Arsenocholine-containing methacrylate (MTAsB) inspired by marine organisms was synthesized by the reaction of 2-bromoethyl methacrylate and trimethylarsine to investigate its polymerization behavior and the fundamental properties of the resulting polymer. Controlled radical polymerization of MTAsB proceeded in the presence of a copper catalyst and imidazolium chloride at 60 °C for 8 h to give a water-soluble polycation with a 94% yield. The smaller amount of nonfreezing water and intermediate water of poly(MTAsB) was observed compared with that of the ammonium-containing polycations.
View Article and Find Full Text PDFInduced Chirality in QDs Using Thermoresponsive Elastin-like Polypeptides.
Langmuir
January 2025
Department of Chemistry, University of Washington, Seattle, Washington 98195, United States.
Circular dichroism (CD) spectroscopy has emerged as a potent tool for probing chiral small-molecule ligand exchange on natively achiral quantum dots (QDs). In this study, we report a novel approach to identifying QD-biomolecule interactions by inducing chirality in CdS QDs using thermoresponsive elastin-like polypeptides (ELPs) engineered with C-terminal cysteine residues. Our method is based on a versatile two-step ligand exchange process starting from monodisperse oleate-capped QDs in nonpolar media and proceeding through an easily accessed achiral glycine-capped QD intermediate.
View Article and Find Full Text PDFComputational analysis of the alpha-2 domain of apolipoprotein B - 100, a potential triggering factor in LDL aggregation.
Biochim Biophys Acta Gen Subj
February 2025
Department of Chemistry, York College of the City University of New York, Jamaica, New York 11451, USA; PhD Programs in Chemistry and Biochemistry, Graduate Center of the City University of New York, New York 10016, USA. Electronic address:
Atherosclerosis, the major underlying cause of cardiovascular disease, is believed to arise from the accumulation of low-density lipoprotein (LDL) in the arterial subendothelial space, ultimately leading to plaque formation. It is proposed that the accumulation of LDL is linked to its intrinsic aggregation propensity. Although the native LDL is not prone to aggregation, LDL(-), an electronegative LDL characterized in the plasma, has been shown to prime LDL aggregation in a domino-like behavior similar to amyloidogenic proteins.
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