Interaction of anionic surfactant with polymeric nanoparticles of similar charge

Shrivastava, Saurabh; Dey, Joykrishna

doi:10.1016/j.jcis.2010.06.055

Cited by 15 publications

(4 citation statements)

References 51 publications

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“…In the absence of CHAPS, results were virtually independent of [inulin] except at 0.7 g %, where the D h II value was ∼15% lower than the rest. The hydrodynamic diameters at C s were all greater than that at CAC, whereas they were all lower at CMC e (by way of disintegration or fragmentation of the formed assemblies). − In the IP–water medium, the hydrodynamic diameters increased with increasing presence of IP at all situations with minor variations (2.5 g% at [CHAPS] ≫ CMC e ). The presence of IP altered the solvent behavior to influence the configuration of the formed complex.…”

Section: Resultsmentioning

confidence: 95%

Behavior of the Amphiphile CHAPS Alone and in Combination with the Biopolymer Inulin in Water and Isopropanol–Water Media

Naskar

Ghosh²,

Nagadome³

et al. 2011

Langmuir

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Self-aggregation of the zwitterionic surfactant 3-[(3-cholamidopropyl)dimethylammonio]-1-propanesulfonate (CHAPS) in water and isopropanol-water media, and interaction of the amphiphile with the biopolymer inulin in these media were investigated. The micellar properties of the zwitterionic surfactant and its associated interfacial and bulk properties along with the related energetic, and aggregation number were determined. The different stages of interaction of the CHAPS-inulin combines were identified and assessed. The complexes were formed and aggregated in solution at different stages of their molecular compositions. The aggregated sizes were determined by dynamic light scattering study and the morphology in the solvent removed states were examined using scanning electron microscope and transmission electron microscope techniques. The results witnessed formation of ensembles of varied and striking patterns.

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Section: Resultsmentioning

confidence: 95%

Behavior of the Amphiphile CHAPS Alone and in Combination with the Biopolymer Inulin in Water and Isopropanol–Water Media

Naskar

Ghosh²,

Nagadome³

et al. 2011

Langmuir

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“…[7] All these studies,h owever, pointed out the absence of ionic binding as ar esult of unfavorable electrostatic repulsion in these systems. [8] In accordance with the increasing demands for efficient detergent formulations,wereport amacroscopic,statistically reproducible effect of improved solubilization of hydrophobic immobilized proteins by acomplex system containing apolyacrylic acid (PAA), sodium lauryl ether sulfate (SLES) ethoxylated surfactant, and ap rotease enzyme (subtilisin protease PDB ID:1ST3 [9] )inthe presence of Ca 2+ /Mg 2+ ions. Subtilisin proteases are nonspecific proteases commonly used in detergents to remove protein stains in the presence of Ca 2+ / Mg 2+ ions.…”

mentioning

confidence: 86%

“…To further assess the molecular picture of the bridged SLES/PAA/Ca 2+ assemblies we performed systematic staticand dynamic-light-scattering measurements (see Figures S5 and S6) which, on the one hand, confirmed the existence of hydrophobic interactions in like-charged polymer-surfactant systems, [7,8,13] but on the other hand did not shed any light on the reasons for the high solubilization performance of PA A/ SLES mixtures in 158 8dGH water. Therefore,w ee mployed tensiometry measurements,which are conventionally used to analyze polymer-surfactant association behavior at equilibrium.…”

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confidence: 99%

Enzyme‐Compatible Dynamic Nanoreactors from Electrostatically Bridged Like‐Charged Surfactants and Polyelectrolytes

et al. 2018

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Reported is an unanticipated mechanism of attractive electrostatic interactions of fully neutralized polyacrylic acid (PAA) with like-charged surfactants. Amphiphilic polymer-surfactant complexes with high interfacial activity and a solubilization capacity exceeding that of conventional micelles are formed by bridging with Ca ions. Incorporation of a protease into such dynamic nanoreactors results in a synergistically enhanced cleaning performance because of the improved solubilization of poorly water-soluble immobilized proteins. Competitive interfacial and intermolecular interactions on different time- and length-scales have been resolved using colorimetric analysis, dynamic tensiometry, light scattering, and molecular dynamic simulations. The discovered bridging association mechanism suggests reengineering of surfactant/polymer/enzyme formulations of modern detergents and opens new opportunities in advancing labile delivery systems.

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“…Surfactants are a kind of materials with suitable length of molecules chain, one end of which is a water-insoluble non-polar hydrocarbon, while the other end is a water-soluble polar radical [1]. Many desirable properties of surfactants such as emulsification, cleaning, wetting and penetration lead it to extensive use for personal and laundering detergent, surface cleaning and other various industrial fields [2,3]. Nowadays synthetic surfactants have caused serious water pollution because the surfactants will become waste after used and were discharged into streams, lakes and land and it is not susceptible to breakdown in the environment [4].…”

Section: Introductionmentioning

confidence: 99%

Preparation and Properties of Modified Starch with Methoxy Polyethylene Glycol Methacrylate

Gong

Zhang

2012

AMR

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The modified starch surfactant was synthesized by grafting copolymerization of methoxy polyethylene glycol methacrylate (MPGM) with starch. The effects of monomers composition and side chain length on surface activity of starch surfactants were investigated. The modified starch surfactant was synthesized when the molar ratio of AGU (starch) and MPEGMA was 1: 0.3 at 85 °C for 2h. The FTIR result shows that starch had successfully reacted with MPGM. Modified starch surfactants are poor foam surfactant with excellent surface activity. The modified starch surfactants are biodegradable and environmentally friendly and may be extensively used in various fields in future.

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Interaction of anionic surfactant with polymeric nanoparticles of similar charge

Cited by 15 publications

References 51 publications

Behavior of the Amphiphile CHAPS Alone and in Combination with the Biopolymer Inulin in Water and Isopropanol–Water Media

Behavior of the Amphiphile CHAPS Alone and in Combination with the Biopolymer Inulin in Water and Isopropanol–Water Media

Enzyme‐Compatible Dynamic Nanoreactors from Electrostatically Bridged Like‐Charged Surfactants and Polyelectrolytes

Preparation and Properties of Modified Starch with Methoxy Polyethylene Glycol Methacrylate

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