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Two-Step Reshaping of Acicular Gold Nanoparticles.
Nano Lett
January 2025
Institut Charles Sadron, Université de Strasbourg and CNRS, 67034 Strasbourg, France.
Anisometric plasmonic nanoparticles find applications in various fields, from photocatalysis to biosensing. However, exposure to heat or to specific chemical environments can induce their reshaping, leading to loss of function. Understanding this process is therefore relevant both for the fundamental understanding of such nano-objects and for their practical applications.
View Article and Find Full Text PDFStabilizing Nickel-Copper Co-Deposition Electrochromism with the Assistance of Bromine Redox.
Inorg Chem
January 2025
College of Environment and Materials Engineering, Yantai University, Yantai 264005, China.
As an attractive optical/heat dynamic management technology, reversible metal electrodeposition/dissolution electrochromism (RME-EC) shows many advantages, including high optical modulation amplitude, wide modulation band, and color neutrality, but also suffers from performance degradation because of uneven dendritic metal deposition as well as the formation/accumulation of isolated metal debris. In this paper, a facile RME-EC system is established in a green and affordable aqueous electrolyte, by making good use of the nondendritic Ni-Cu codeposition. Furthermore, an in situ self-healing strategy is further established by activating the Br/Br couple of the Br-containing electrolyte to improve the EC performance.
View Article and Find Full Text PDFEffect of Ficus Carica and Zea Mays on Calcium Release from Oxalocalcic Urinary Calculi Using the Potentiometric Method.
Curr Pharm Biotechnol
December 2024
LMAE, Faculty of Sciences Exactes, University of Mascara, B.P. 763, Mascara, Algeria.
Introduction: A stone is a compact mass of one or more crystallised substances. The essential mechanism of stone formation is an excessive concentration of poorly soluble compounds in the urine. In excessive concentration, these compounds precipitate into crystals, which then aggregate to form a stone.
View Article and Find Full Text PDFCoordination Equilibrium-Assisted Coprecipitation Synthesis of Atomically Dispersed 3d Metal Catalysts.
ACS Appl Mater Interfaces
January 2025
School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, People's Republic of China.
As a frontier of heterogeneous catalysis, single-atom catalysts (SACs) have been extensively studied fundamentally. One obstacle that limits the industrial application of SACs is the lack of a synthetic method that can prepare the catalysts on a large scale. Wet-chemistry methods that are conventionally used to prepare nanoparticle-based industrial catalysts might be a solution.
View Article and Find Full Text PDFCascade of phase transitions in a dipeptide supramolecular assembly triggered by a single fatty acid.
Colloids Surf B Biointerfaces
April 2025
Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Lab of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China; University of Chinese Academy of Sciences, Beijing 100049, China. Electronic address:
Significant progress has been achieved with diversity of short peptide supramolecular assemblies. However, their programmable phase modulation by single stimulus remains a great challenge. Herein, we demonstrate a dipeptide supramolecular system undergoes sequentially coupled phase transitions upon hydrogen bonding association and dissociation triggered by a single fatty acid.
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