Micelle Size
Micelle Size - Related Videos
09:56
Preparation and Characterization of Lipophilic Doxorubicin Pro-drug Micelles
0 Views •
Cited by 22 •
2016
A protocol for the preparation and characterization of lipophilic doxorubicin pro-drug loaded 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[amino(polyethylene glycol)-2000] (DSPE-PEG) micelles is described.
01:30
Micelles
0 Views •
2026
Micelle formation is an intricate process that hinges on the properties of amphiphilic or amphipathic molecules and the conditions of the system in which they are found. Amphiphilic molecules, which have both hydrophilic (water-attracting) and hydrophobic (water-repelling) parts, play a critical role in this process.In aqueous environments, these molecules arrange themselves such that their hydrophilic heads are turned towards the water phase, while their hydrophobic tails are oriented away...
07:39
Facile Synthesis of Worm-like Micelles by Visible Light Mediated Dispersion Polymerization Using Photoredox Catalyst
0 Views •
Cited by 5 •
2016
This article describes a process for producing polymeric self-assembled nanoparticles using visible light mediated dispersion polymerization. Using low energy visible light to control the polymerization allows for the reproducible formation of self-assembled worm-like micelles at high solids content.
10:53
Anionic Polymerization of an Amphiphilic Copolymer for Preparation of Block Copolymer Micelles Stabilized by π-π Stacking Interactions
0 Views •
Cited by 2 •
2016
The key steps of living anionic polymerization of phenyl glycidyl ether (PheGE) on methoxy-polyethylene glycol (mPEG-b-PPheGE) are described. The resulting block copolymer micelles (BCMs) were loaded with doxorubicin 14% (wt%) and sustained release of drug over 4 days under physiologically relevant conditions was obtained.
01:25
The Anchoring-and-Adjustment Heuristic
0 Views •
2020
In order to make good decisions, we use our knowledge and our reasoning. Often, this knowledge and reasoning is sound and solid. However, sometimes, we are swayed by biases or by others manipulating a situation. For example, let’s say you and three friends wanted to rent a house and had a combined target budget of $1,600. The realtor shows you only very run-down houses for $1,600 and then shows you a very nice house for $2,000. Might you ask each person to pay more in rent to get the $2,000...
FAQs
Micelle size reflects the combined effects of surfactant molecular geometry and the surrounding solution conditions. The arrangement of hydrophobic tails and hydrophilic head groups influences molecular organization, while temperature, ionic strength, solvent, and concentration can shift the resulting dimensions, shape, or stability. Consequently, size is a condition-dependent property rather than a fixed characteristic of the surfactant alone.
Once the critical micelle concentration has been exceeded, changing the amount of surfactant can influence the dimensions and organization of existing aggregates. The response is not determined by concentration alone, because surfactant type, temperature, ionic strength, and solvent also affect assembly. Controlling concentration therefore helps researchers examine how solution composition influences micellar structure and stability.
These variables change the chemical environment in which surfactant molecules organize. Temperature can modify assembly conditions, while ionic strength and solvent can alter the dimensions, shape, or stability of the resulting structures. Because their effects may occur together, comparisons of micelle size should specify the solution conditions used, especially when results are applied to different chemical systems.
Size measurements provide evidence about the physical state and performance of surfactant assemblies under defined conditions. Changes in measured dimensions can indicate that composition, temperature, ionic strength, solvent, or concentration has affected aggregation, shape, or stability. This information helps connect molecular self-assembly with practical behavior such as solubilization, transport, and the performance of colloidal formulations.
In detergents and colloids, micelle size helps relate surfactant organization to material performance. Researchers can compare dimensions under different surfactant concentrations, temperatures, ionic strengths, or solvents, then identify conditions that support the desired assembly behavior. The resulting measurements provide a chemistry-based basis for evaluating solubilization and stability in these formulated systems.
Micelle size is relevant because micellar assemblies can support solubilization and transport, two functions important to drug-delivery systems and reaction media. Measuring how dimensions change with surfactant type and solution conditions helps researchers connect self-assembly to system behavior. In chemistry, this supports the design and evaluation of environments that influence material performance and chemical processes.