Articles with "gemini surfactant" as a keyword



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Effect of Flow Condition on the H2S Corrosion Inhibition of a Supermartensitic Stainless Steel with a Gemini Surfactant

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Published in 2020 at "Journal of Bio- and Tribo-Corrosion"

DOI: 10.1007/s40735-020-00420-4

Abstract: A nonionic Gemini surfactant obtained from palm oil has been used as corrosion inhibitor of UNS S41425-type supermartensitic stainless steel in an H2S-containing environment under hydrodynamic conditions at 50 °C. Techniques involved potentiodynamic polarization curves,… read more here.

Keywords: stainless steel; corrosion; gemini surfactant; supermartensitic stainless ... See more keywords
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A new generation of nano-structured supramolecular solvents based on propanol/gemini surfactant for liquid phase microextraction.

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Published in 2017 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2016.11.007

Abstract: A new supramolecular solvent (SUPRAS) made up of aggregates of gemini surfactant was introduced. A microextraction method, based on the SUPRAS followed with high performance liquid chromatography-ultraviolet detection, was applied for the determination of parabens… read more here.

Keywords: based supras; microextraction; gemini surfactant; nano structured ... See more keywords
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Gemini surfactant modified organo-clays for removal of organic pollutants from water: A review

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Published in 2019 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2019.121910

Abstract: Abstract Novel organo-clays functionalized with gemini surfactants are one of the most prevalent adsorbents covering a vast range of organic pollutants. The adsorption performances, mechanisms and regenerabilities of organo-clays are closely associated with their interlayer… read more here.

Keywords: organic pollutants; organo clays; adsorption; gemini surfactants ... See more keywords
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Enhanced oil recovery performance of gemini surfactant-stabilized nanoemulsions functionalized with partially hydrolyzed polymer/silica nanoparticles

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Published in 2020 at "Chemical Engineering Science"

DOI: 10.1016/j.ces.2020.115887

Abstract: Abstract Nanoemulsion flooding is a novel route to enhanced recovery of petroleum resources over conventional water-flood by effective detachment and mobilization of residual oil trapped within rock-pores. In this article, we conducted experimental investigations to… read more here.

Keywords: recovery; enhanced oil; polymer silica; gemini surfactant ... See more keywords
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Fabrication of pH-responsive system based on cationic gemini surfactant/sodium octanedioate and its application on controlled release of paclitaxel

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Published in 2018 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2017.11.051

Abstract: Abstract A pH-responsive surfactant system has been self-assembled between a cationic gemini surfactant hexamethylene-1,6-bis(dodecyldimethylammonium bromide) (12-6-12) and sodium octanedioate (C8Na2), which was characterized by surface tension, proton nuclear magnetic resonance (1H NMR), dynamic light scattering… read more here.

Keywords: cationic gemini; system; c8na2; sodium octanedioate ... See more keywords
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Industrially important enzyme bovine liver catalase forms amyloid in the presence of 14-4-14 Gemini surfactant at physiological pH

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Published in 2021 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2020.125909

Abstract: Abstract Bovine liver catalase (BLC), a homotetramer (Mr = 28,000), is an industrially and pharmaceutically important enzyme. A cationic Gemini surfactant (tetramethylene-1,4-bis(dimethyltetradecylammonium bromide); 14-4-14) was found to induce aggregation in BLC, as confirmed by Rayleigh… read more here.

Keywords: important enzyme; liver catalase; gemini surfactant; bovine liver ... See more keywords
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Effects of head type on the stability of gemini surfactant foam by molecular dynamics simulation

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Published in 2017 at "Chemical Physics Letters"

DOI: 10.1016/j.cplett.2017.06.017

Abstract: Abstract Molecular dynamics simulations have been carried out to study the stability of gemini surfactant foam with different head groups. The results showed that the interaction strength between the polar head groups of the surfactants… read more here.

Keywords: molecular dynamics; stability gemini; stability; surfactant foam ... See more keywords

Facile design of gemini surfactant-like peptide for hydrophobic drug delivery and antimicrobial activity.

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Published in 2021 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2021.02.019

Abstract: Recently, many kinds of gemini-type amphiphilic peptides have been designed and shown their advantage as self-assembling nanomaterials. In this study, we proposed a simple strategy to design gemini surfactant-like peptides, which are only composed of… read more here.

Keywords: antimicrobial activity; gemini surfactant; surfactant like; design gemini ... See more keywords
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Gemini surfactant-modified montmorillonite with tetrachloroferrate (FeCl4-) as a counterion simultaneously sequesters nitrate and phosphate from aqueous solution.

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Published in 2020 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2020.124829

Abstract: Alkyl quaternary ammonium-modified clay minerals, which are common environmentally friendly materials, have been widely studied and applied for the removal of pollutants. However, there are few reports on functionalizing the counterions to expand the application.… read more here.

Keywords: nitrate phosphate; fecl4; phosphate aqueous; tetrachloroferrate fecl4 ... See more keywords
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Immobilization of W(VI) and/or Cr(VI) in soil treated with montmorillonite modified by a gemini surfactant and tetrachloroferrate (FeCl4-).

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Published in 2021 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2021.127768

Abstract: The coexistence of highly toxic chromium (Cr) and the emerging contaminant tungsten (W) in the soil adjacent to W mining areas is identified. Immobilization of W and/or Cr is vital for the safe utilization of… read more here.

Keywords: soil; tetrachloroferrate fecl4; gemini surfactant; immobilization ... See more keywords
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Fluorescent sensitization of gemini surfactant micellar-hybridized supramolecular hydrogels

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Published in 2017 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2016.08.046

Abstract: Abstract Fluorescence enhancement of the fluorescence probe 1,8-anilinonaphthalenesulfonicacid (ANS) in micellar-hybridized supramolecular hydrogels consist of micelles formed by gemini surfactant (GS) and supramolecular hydrogels formed by self-assembly of hydrogelator N,N′-Dibenzoyl-L-cystine (DBC) was investigated by steady… read more here.

Keywords: supramolecular hydrogels; fluorescence; micellar hybridized; fluorescent sensitization ... See more keywords