Impact of polyethylene glycol on aqueous micellar solutions of sodium oleate studied by small-angle neutron scattering

Петренко, В. И.; Авдеев, М. В.; Garamus, Vasil M.; Bulavin, L. A.; Kopčanský, P.

doi:10.1016/j.colsurfa.2014.11.064

Cited by 26 publications

(9 citation statements)

References 41 publications

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“…The structural features of several kinds of aqueous magnetic fluids [143][144][145][146], as well as surfactant/polymer solutions [147][148][149], which are used for magnetic nanoparticle stabilization in water, were investigated in detail by SANS (Figures 12 and 13). Additionally, magnetic nanoparticles with bio-macromolecules were successfully studied by SANS and SAXS [150,151] (Figure 14).…”

Section: Neutron and X-ray Scatteringmentioning

confidence: 99%

Magnetic Nanoparticle Systems for Nanomedicine—A Materials Science Perspective

et al. 2020

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Iron oxide nanoparticles are the basic components of the most promising magneto-responsive systems for nanomedicine, ranging from drug delivery and imaging to hyperthermia cancer treatment, as well as to rapid point-of-care diagnostic systems with magnetic nanoparticles. Advanced synthesis procedures of single- and multi-core iron-oxide nanoparticles with high magnetic moment and well-defined size and shape, being designed to simultaneously fulfill multiple biomedical functionalities, have been thoroughly evaluated. The review summarizes recent results in manufacturing novel magnetic nanoparticle systems, as well as the use of proper characterization methods that are relevant to the magneto-responsive nature, size range, surface chemistry, structuring behavior, and exploitation conditions of magnetic nanosystems. These refer to particle size, size distribution and aggregation characteristics, zeta potential/surface charge, surface coating, functionalization and catalytic activity, morphology (shape, surface area, surface topology, crystallinity), solubility and stability (e.g., solubility in biological fluids, stability on storage), as well as to DC and AC magnetic properties, particle agglomerates formation, and flow behavior under applied magnetic field (magnetorheology).

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Section: Neutron and X-ray Scatteringmentioning

confidence: 99%

Magnetic Nanoparticle Systems for Nanomedicine—A Materials Science Perspective

et al. 2020

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“…Thus, to assess the stability and structural properties of magnetic fluids, the experimental methods like UV-VIS and infrared spectroscopies, transmission and scanning electron microscopies, dynamic light scatterings, acoustic measurements, small-angle neutron and X-ray scattering are often utilized. Especially, the application of neutron and X-ray scattering techniques may yield rich information on the morphology, size, concentration, and interaction between the dispersed nanoparticles [7][8][9][10][11][12].…”

Section: Characterization Of Magnetic Fluidsmentioning

confidence: 99%

Modification of Diamagnetic Materials Using Magnetic Fluids

et al. 2020

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Magnetic fluids (ferrofluids) have found many important applications in various areas of biosciences, biotechnology, medicine, and environmental technology. In this review, we have summarized the relevant information dealing with a magnetic modification of diamagnetic materials using different types of ferrofluids. Special attention is focused on a magnetic modification of plant-derived biomaterials, microbial and microalgal cells, eukaryotic cells, biopolymers, inorganic materials, and organic polymers. Derivatization is usually caused by the presence of magnetic iron oxide nanoparticles within the pores of treated materials, on the materials surface or within the polymer gels. The obtained smart materials exhibit several types of responses to an external magnetic field, especially the possibility of the selective magnetic separation from difficult-to-handle environments by means of a magnetic separator. The ferrofluid-modified materials have been especially used as adsorbents, carriers, composite nanozymes or whole-cell biocatalysts.

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“…V. I. Petrenko et al studied the interaction between NaOL and PEG (polyethylene glycol) by small angle neutron scattering which indicated that there is a transition from the spherical micelles into rod-like micelles in this system [13] .…”

Section: Introductionmentioning

confidence: 99%

“…In this case, the surface properties of the mixed surfactants are better than those of the individual ones [9] . The common methods used to study mixed surfactants include surface tension [10] , conductivity [11] , fluorescence [12] , small angle neutron scattering [13] and surface partitioning [14] . In recent years, the researches on NaOL mixtures have expanded in various fields.…”

Section: Introductionmentioning

confidence: 99%

Surface properties, micellar molecular interaction, and physical properties for binary systems of sodium oleate with three anionic surfactants

Wang

et al. 2016

Journal of Dispersion Science and Technology

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The mixed micellization of the anionic surfactant sodium oleate (NaOL) and three anionic surfactants (NaDC, AOT, SDS) of different structures in 0.01 mol/L NaCl solution were investigated by surface tension measurement at different temperatures. All the investigated mixtures exhibited nonideal behaviors as the experimental CMC values are less than the CMC ideal 12 values calculated by using of Clint's equation. Negative β m values calculated by using of Rubingh's equation and |ln(CMC 1 /CMC 2 )| < |β m | proved synergism in the three systems of higher α NaOL or lower α NaOL . An interesting phenomenon of double inflection points were observed for pure NaOL and mixtures of high α NaOL . The negative ΔG 0 m values for the mixed systems imply that the micelle formations are spontaneous process. The NaOL/NaDC system was also studied in buffer solution (pH 8, 12) at 30 ºC which also exhibited nonideal behavior. Synergism existed at pH 12 but not at pH 8 for NaOL/NaDC system. It is noteworthy that there were not Downloaded by [University of Nebraska, Lincoln] at 12:16 04 June 2016 2 double inflection points for NaOL/NaDC system in buffer solution (pH 8, 12). K. P. and calcium stability data show that these three anionic surfactants can improve the water solubility and hard-water resistance of soap. GRAPHICAL ABSTRACT

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Impact of polyethylene glycol on aqueous micellar solutions of sodium oleate studied by small-angle neutron scattering

Cited by 26 publications

References 41 publications

Magnetic Nanoparticle Systems for Nanomedicine—A Materials Science Perspective

Magnetic Nanoparticle Systems for Nanomedicine—A Materials Science Perspective

Modification of Diamagnetic Materials Using Magnetic Fluids

Surface properties, micellar molecular interaction, and physical properties for binary systems of sodium oleate with three anionic surfactants

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