Depending on the water content, reverse micelles induce the formation of fcc metallic palladium worm-like nanocrystals made of spheres. After extraction from the nanoreactor, either spheres or worm-like nanocrystals are obtained, and it was found that the binding energy between the coating agent and the Pd surface is a key parameter in shape control (i.e., in the surface reconstruction).
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1021/la702908y | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Controlling the Morphology of Poly(ethylene glycol)-b-poly(lactide) Self-Assemblies in Solution: Interplay of Homopolymer Additives and Kinetic Traps.
Nanomaterials (Basel)
December 2024
School of Materials Science & Engineering, Nanyang Technological University, Singapore 639798, Singapore.
This study investigates the effects of homopolymer additives and kinetic traps on the self-assembly of poly(ethylene glycol)-b-poly(lactide) (PEG-PLA) block copolymer (BCP) nanostructures in aqueous environments. By using non-adsorbing PEG homopolymers to kinetically trap PEG-PLA nanostructures, we demonstrate that varying the concentration and molecular weight of the added PEG induces a reversible micelle-to-vesicle transition. This transition is primarily driven by changes in the molecular geometry of the PEG-PLA BCPs due to excluded volume screening effects.
View Article and Find Full Text PDFManipulating Toughness and Microstructure in Polyelectrolyte Complex Hydrogels with Competitive Surfactant Micelles.
Langmuir
December 2024
Key Laboratory of Functional Polymer Materials of Ministry of Education and College of Chemistry, Nankai University, Tianjin 300071, China.
Polyelectrolyte complex (PEC) hydrogels provide a promising strategy to develop a class of physically cross-linked networks characterized by exceptional toughness and self-healing properties. However, the precise control of the microstructure and the enhancement of mechanical properties still pose challenges in the field of PEC hydrogels. Herein, we propose a strategy to manipulate the structure of PEC with competitively charged surfactant micelles, leveraging the spatially confined surface charge and excluded volume effects to overcome coacervation issues associated with the PEC, thus achieving a simple one-step preparation of macroscopically uniform and tough PEC hydrogels.
View Article and Find Full Text PDFLeveraging Green Chromatography in Quality-by-Design-Driven Study for the Simultaneous Analysis of Essential Single-Pill Antidiabetic Drug Combinations.
J Sep Sci
December 2024
Natural and Medical Sciences Research Center, University of Nizwa, Nizwa City, Oman.
Micellar liquid chromatography (MLC) has proven beneficial efficiency and ecological impact for routine quality control activities. In the proposed study, cyrene was investigated for the first time, together with other green additives, as a novel safe organic solvent in reversed-phase MLC. Quality-by-design (QbD) approach screened their effect on the separation performance.
View Article and Find Full Text PDFWhere do the pyrene molecules reside within the surface active ionic liquid micelles in presence of sodium alginate?
Spectrochim Acta A Mol Biomol Spectrosc
December 2024
Department of Chemistry, Presidency University, Kolkata 700073, India. Electronic address:
Pyrene fluorescence in aqueous solutions of two surface active ionic liquids, namely, 1-decyl-3-methylimidazolium chloride, and 1-hexadecyl-3-methylimidazolium chloride was investigated in presence of a biopolymer sodium alginate. The principal objective of this study was to explore the influence of the length of the hydrocarbon tails of these surface active ionic liquids on the possible location of the probe (pyrene) molecules in presence of the additive. While an abrupt decrease in the values of the ratio of the intensity of the first vibronic band to that of the third band of pyrene emission spectrum with concentration was observed for 1-hexadecyl-3-methylimidazolium chloride in presence of sodium alginate like the polymer-free case reported earlier, there was a peculiar reversal for 1-decyl-3-methylimidazolium chloride + sodium alginate.
View Article and Find Full Text PDFEffect of lecithin on the antioxidant mechanism of action of fucoidan in stripped bulk sunflower oil and respective oil in water emulsion.
Int J Biol Macromol
December 2024
Department of Food Science and Technology, School of Agriculture, Shiraz University, Shiraz, Iran.
The objective of this study was to investigate the antioxidant mechanism of action of fucoidan in sunflower oil and its oil-in-water emulsion. In addition, the effect of lecithin on the antioxidant mechanism of action of fucoidan in sunflower oil was investigated. In sunflower oil, fucoidan at 0.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!