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Showing 25 to 36 of 91 entries
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Oligomannuronates from seaweeds as renewable sources for the development of green surfactants.

Topics in current chemistry

Benvegnu T, Sassi JF.
PMID: 21626752
Top Curr Chem. 2010;294:143-64. doi: 10.1007/128_2010_48.

The development of surfactants based on natural renewable resources is a concept that is gaining recognition in detergents, cosmetics, and green chemistry. This new class of biodegradable and biocompatible products is a response to the increasing consumer demand for...

Viscoelastic Drag Forces and Crossover from No-Slip to Slip Boundary Conditions for Flow near Air-Water Interfaces.

Physical review letters

Maali A, Boisgard R, Chraibi H, Zhang Z, Kellay H, Würger A.
PMID: 28282178
Phys Rev Lett. 2017 Feb 24;118(8):084501. doi: 10.1103/PhysRevLett.118.084501. Epub 2017 Feb 24.

The "free" water surface is generally prone to contamination with surface impurities, be they surfactants, particles, or other surface active agents. The presence of such impurities can modify flow near such interfaces in a drastic manner. Here we show...

Studying bubble-particle interactions by zeta potential distribution analysis.

Journal of colloid and interface science

Wu C, Wang L, Harbottle D, Masliyah J, Xu Z.
PMID: 25731913
J Colloid Interface Sci. 2015 Jul 01;449:399-408. doi: 10.1016/j.jcis.2015.01.040. Epub 2015 Feb 04.

Over a decade ago, Xu and Masliyah pioneered an approach to characterize the interactions between particles in dynamic environments of multicomponent systems by measuring zeta potential distributions of individual components and their mixtures. Using a Zetaphoremeter, the measured zeta...

Enhanced oxygen reduction and methanol oxidation reaction over self-assembled Pt-M (M = Co, Ni) nanoflowers.

Journal of colloid and interface science

Li X, Liu Y, Zhu J, Tsiakaras P, Shen PK.
PMID: 34587528
J Colloid Interface Sci. 2022 Feb;607:1411-1423. doi: 10.1016/j.jcis.2021.09.060. Epub 2021 Sep 15.

Herein, we introduce a facile approach to synthesize a unique class of Pt-M (M = Ni, Co) catalysts with a nanoflower structure for boosting both oxygen reduction reaction (ORR) and methanol oxidation reaction (MOR). By controlling the surface-active agents,...

The behavior of hydrocolloid coatings on vegetative materials .

Biotechnology progress

Hershko V, Nussinovitch A.
PMID: 9758666
Biotechnol Prog. 1998 Sep;14(5):756-65. doi: 10.1021/bp980075v.

Coating vegetative materials by gelling agents is a process characterized by four different time scales. After wetting and penetration of the vegetative skin by the gum solution, adhesion of the viscous solution to the outer layer (skin) of the...

Physicochemical properties, cytotoxicity and penetration into dentinal tubules of sodium hypochlorite with and without surfactants.

Restorative dentistry & endodontics

Coaguila-Llerena H, Barbieri I, Tanomaru-Filho M, Leonardo RT, Ramos AP, Faria G.
PMID: 33294412
Restor Dent Endod. 2020 Sep 10;45(4):e47. doi: 10.5395/rde.2020.45.e47. eCollection 2020 Nov.

OBJECTIVES: The aim of this study was to assess the physicochemical properties, cytotoxicity and penetration into dentinal tubules of ChlorCid™ Surf (3% sodium hypochlorite [NaOCl] with surfactant) in comparison to ChlorCid™ (3% NaOCl without surfactant).MATERIALS AND METHODS: The physicochemical...

A multi-omics study to boost continuous bolaform sophorolipid production.

New biotechnology

Dierickx S, Maes K, Roelants SLKW, Pomian B, Van Meulebroek L, De Maeseneire SL, Vanhaecke L, Soetaert WK.
PMID: 34774786
N Biotechnol. 2021 Nov 10;66:107-115. doi: 10.1016/j.nbt.2021.11.002. Epub 2021 Nov 10.

Biodegradable and biobased surface active agents are renewable and environmentally friendly alternatives to petroleum derived or oleochemical surfactants. However, they are accompanied by relatively high production costs. In this study, the aim was to reduce the production costs for...

Evaluation of anti-biofilm potential of biosurfactant extracted from .

Folia medica

Javadi A, Pourmand MR, Hamedi J, Gharebaghi F, Baseri Z, Mohammadzadeh R, Eshraghi SS.
PMID: 34196143
Folia Med (Plovdiv). 2021 Jun 30;63(3):392-399. doi: 10.3897/folmed.63.e54386.

INTRODUCTION: Bacterial natural products such as biosurfactants and surface-active agents are important compounds which exhibit many applications in the fields of medicine.AIM: The aim of the present study was to isolate and identify Nocardia strains with high biosurfactant production...

Surface Activity of Soft Polymer Colloids.

Langmuir : the ACS journal of surfaces and colloids

Morozova TI, Nikoubashman A.
PMID: 31789037
Langmuir. 2019 Dec 24;35(51):16907-16914. doi: 10.1021/acs.langmuir.9b03202. Epub 2019 Dec 12.

We investigate the behavior of polymer colloids at the interface between two immiscible liquids using molecular dynamics simulations. We study several colloid morphologies with various degrees of amphiphilicity, that is, purely solvophobic homogeneous and Janus particles and amphiphilic Janus...

Adsorptive stripping voltammetric behavior of nortriptyline hydrochloride and its determination in surfactant media.

Langmuir : the ACS journal of surfaces and colloids

Jain R, Dwivedi A, Mishra R.
PMID: 19441777
Langmuir. 2009 Sep 01;25(17):10364-9. doi: 10.1021/la900927j.

The effect of adding surface active agents to electrolytes containing nortriptyline hydrochloride on the voltammetric response of a hanging mercury drop electrode (HMDE) was studied. The current signal due to the reduction process was a function of the amount...

Creaming and Rheology of Oil-in-Water Emulsions Containing Sodium Dodecyl Sulfate and Sodium Caseinate.

Journal of colloid and interface science

Dickinson E, Ritzoulis C.
PMID: 10708504
J Colloid Interface Sci. 2000 Apr 01;224(1):148-154. doi: 10.1006/jcis.1999.6682.

The creaming and rheology of fine n-tetradecane oil-in-water emulsions at pH 6.8 containing the commercial protein sodium caseinate and the ionic surfactant sodium dodecyl sulfate (SDS) have been studied, and an overview diagram relating surfactant composition and creaming stability...

Analytical applications of ternary complexes-VII Elucidation of mode of formation of sensitized metal-chelate systems and determination of molybdenum and antimony.

Talanta

Bailey BW, Chester JE, Dagnall RM, West TS.
PMID: 18960441
Talanta. 1968 Dec;15(12):1359-69. doi: 10.1016/0039-9140(68)80195-x.

The ternary complexes which are formed when surface-active agents are added to various metal-dyestuff chelate systems are shown to be dependent on the formation of micelles. Spectrophotometric measurements indicate that true ternary complexes are formed with well defined structures...

Showing 25 to 36 of 91 entries