Aim: To determine the effect of sodium bicarbonate (SB), sodium metaperiodate (SMP) and sodium dodecyl sulfate (SDS) combination on biofilm formation and dispersal in dental unit waterline (DUWL)-associated bacteria and yeast. Methods and results: The in vitro effect of SB, SMP and SDS alone and in combination on biofilm formation and …Web
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Aqueous micellar solutions of sodium dodecyl sulphate (SDS) were investigated using X-ray scattering technique in the concentration range 0.008–0.1 M and analyzed by a model-independent …Web
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In this work, two kinds of sand beds with different particle sizes were used to study the formation and deposition characteristics of methane hydrate under different initial water saturation conditions. To improve the mass transfer and gas storage capacity of the system, sodium dodecyl sulfate (SDS) was used in the process of hydrate formation.Web
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Avoid ingestion and inhalation. Avoid dust formation. Storage. Keep containers tightly closed in a dry, cool and well-ventilated place. Store under an inert atmosphere. Protect from moisture. Incompatible Materials. Strong oxidizing agents. ... Sodium Dodecyl Sulfate (Electrophoresis) Revision Date 24-Dec-2021 Creation Date 24-Mar-2015 Revision ...Web
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The kinetics of the oxidation of o-Cresol by cerium(IV) have been investigated spectrophotometrically at 298K in the absence and presence of sodium dodecyl sulfate (SDS) and polyethylene glycols (PEGs) in sulfuric acid medium to examine the catalytic behavior of SDS, PEG (600, 1500, and 4000), and the mixed systems of PEG 600, 1500, …Web
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Sodium dodecyl sulfate (SDS) surfactants form micelles when dissolved in water. These are formed of a hydrocarbon core and hydrophilic ionic surface. The small …Web
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The last conclusions open new considerations about the use of sodium dodecyl sulfate as auxiliary reagent for remediation of soil and water because sodium dodecyl sulfate can remove the organic matter by extraction, flushing, soil-washing, water-micelles formation and after that, the new effluent is treated by boron-doped diamond …Web
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formation process has been recorded for stirring speeds between 100 and 1000 rpm [20]. The goal of the current study was to investigate the variables that can enhance the hydrate formation kinetics during the seawater desalination process. Isopentane (IP), sodium dodecyl sulfate (SDS), and a combination of IP and DS were …Web
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The first critical micelle concentration (CMC) of the ionic surfactant sodium dodecyl sulfate (SDS) in diluted aqueous solution has been determined at room temperature from the investigation of the bulk viscosity, at several concentrations of SDS, by means of coarse-grain molecular dynamics simulations. The coarse-grained model …Web
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Ionic detergents, e.g. sodium dodecyl sulfate (SDS) and sodium deoxycholate, ... However, localised intercellular border E-cadherin staining evident of stratification and the formation of tight junctional complexes was only observed when HUC were cultured on deionized water treated bladders. All detergent treatments appeared to …Web
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The physicochemical properties, such as critical micelle concentration (cmc), surface tension at cmc (γ(cmc)), and surface activity parameters of the mixtures of a new amino acid-based zwitterionic surfactant, N-(n-dodecyl-2-aminoethanoyl)-glycine (C(12)Gly) and an anionic surfactant, sodium dodecyl …Web
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The mechanism of micelle formation of surfactants sodium dodecyl sulfate (SDS), n-hexyldecyltrimethylammonium bromide (CTAB) and Triton X-100 (TX-100) in heavy water solutions was studied by 1 H NMR (chemical shift and line shape) and NMR self-diffusion experiments. 1 H NMR and self-diffusion experiments of these three surfactants …Web
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It was found that at low temperature the micelle formation process is endothermic and therefore, this process must be entropically driven. ... n −1 –SO 3 Na], especially sodium dodecyl sulfonate (C 12 H 25 SO 3 Na), are one of the most important classes of anionic surfactants, however, for them a limited amount of experimental work …Web
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The adsorption and structure of sodium dodecyl sulfate (SDS) layers onto positively charged films have been monitored in situ with vibrational sum-frequency-generation ... This leads to the formation of a monolayer with opposing headgroup orientations at solution concentrations in between 3 and 8 mM, depending on the initial …Web
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Sodium dodecyl sulfate (SDS, ≥99.0%), calcium chloride ... Air entrainment and foam formation occur as drops of solution first hit the clean air-water surface. The height of foam continues to increase until the flow from the reservoir ceases. In the end, ...Web
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The gelation time of 4 % silk fibroin hydrogel treated with a gelling agent, SDS (8-12 mM) was also decreased from 500 min to 15-18 min through the rapid formation of β-sheet structures due to ...Web
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Sodium dodecyl sulfate precipitates slowly below 16°. If a lower temperature is wanted, one could use lithium dodecyl sulfate instead. The SDS precipitation can sometimes be used …Web
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Noriyuki Yoshii, Kensuke Iwahashi, Susumu Okazaki, A molecular dynamics study of free energy of micelle formation for sodium dodecyl sulfate in water and its size distribution, The Journal of Chemical Physics, 10.1063/1.2179074, 124, 18, (184901), (2006).Web
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In this study, we conducted two 500000 ps molecular dynamics (MD) simulations of human lysozyme in sodium dodecyl sulfate (SDS) at two ambient temperatures. To achieve comparative results, we also performed two 500000 ps human lysozyme MD simulations in pure water as controls. ... To avoid void formation, each …Web
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For example, the zeta potentials of sodium dodecyl sulfate (SDS) and dodecyltrimethylammonium bromide have been reported to be − 111 and + 11.9 mV in 25 and 35 mmol L −1 solutions, ... Spontaneous formation of vesicles by sodium 2- dodecylnicotinate in water. Langmuir, 28 (35) (2012), pp. 12696-12703. CrossRef View in …Web
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The molecular structure of sodium alkyl sulfate (AS) is shown in Fig. 33.1. AS having a hydrophobic dodecyl group is called sodium dodecyl sulfate (SDS) or sodium lauryl sulfate (SLS). It is easily produced from fatty alcohol. Because AS has good chemical …Web
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The effect of the presence of an anionic surfactant, SDS (sodium dodecyl sulfate), on hydrate formation kinetics was also evaluated, showing that a combination of THF or DIOX and SDS is a very advantageous solution for accelerating hydrate formation. THF has been found to outperform DIOX as a hydrate promoter from both a …Web
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Sodium dodecyl sulfate (SDS), also known as lauryl sulfate, is an ionic detergent that is useful for the rapid disruption of biological membranes. It is a key component of many …Web
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The title surfactant, sodium dodecyl sulphate (SDS), is a very simple model of a phospholipid membrane with a negative surface charge. It is widely used to mimic many aspects of natural interactions on membranes and to study an initial physicochemical characterization of systems un-der investigation. It has been found that the backboneWeb
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In this work, the effects of anionic surfactant sodium dodecyl sulfate (SDS) and cationic surfactant dodecyltrimethylammonium chloride (DTAC) on the kinetics of CO2–TBAB hydrate formation are ...Web
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Various micelle parameters viz., critical micelle concentration (CMC), counter-ion binding (β), aggregation number (N), hydrodynamic radius (R h), micelle zeta potential (ζ) and energetic parameters, free energy of micellization (), enthalpy of micellization and entropy of micelle formation were determined for sodium dodecylsulfate, and …Web
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Critical micelle concentrations (CMC) were determined at 30°C for aqueous sodium dodecyl sulfate (SDS)-bivalent metal dodecyl sulfate [M (DS) 2] mixtures over the entire surfactant composition range.Bivalent metals used were Mg 2+, Mn 2+, Co 2+, Ni 2+, and Cu 2+.The CMC of surfactant mixtures decreased rapidly with the increase of M …Web
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It was shown that hydrated crystals of sodium dodecyl sulfate (SDS), which precipitate from dilute SDS solutions sharply accelerate nucleation of methane gas hydrate. This finding adds significant details to the available information on the mechanisms of hydrate formation from SDS solutions and can form the basis for the development of a …Web
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A novel hydrate form of sodium dodecyl sulfate (SDS) was firstly discovered through a hydrate screening with the use of organic solvents, while SDS is generally prepared solely in aqueous media. Surprisingly, a novel SDS hydrate form with needle-shaped crystals produced by adding acetonitrile to a 20 wt % SDS aqueous solution at a ratio of 3:1 (v/v) …Web
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The adsorption, micelle formation, and salting out of sodium dodecyl sulfate in the presence of sodium chloride were studied from the viewpoint of their mixed adsorption and aggregate formation. The surface tension of aqueous solutions of a sodium chloride–sodium dodecyl sulfate mixture was measured as a function of the total …Web
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The structures of human lysozyme and sodium dodecyl sulfate. (a) The native structure of human lysozyme represented as a new cartoon model. ... To avoid void formation, each system was gradually heated from 50 K to the desired temperature over 200 ps in a canonical (NVT) ensemble on the proteins. Subsequently, the whole system …Web
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the CMC values of five different surfactants, specifically three anionic (sodium dodecyl sulfate, sodium deoxycolate, and N-lauroyl sarcosinate) and two nonionic, such as polyethylene glycol ester surfactants [polyethylenglicol (8) monostearate and polyethylenglicol (8) monolaurate], have been determined by this approach.Web
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