The adsorption of microorganisms increased by almost the same amount (by 26%) at a sodium lauryl sulfate content of 100 mg/l (65 ± 2.5% in the experiment and 39 ± 1.5% in the control) (Fig. 2). Figure 2 Adhesion (А, %) of M. luteus 1-I on carbon cloth in the presence of sodium lauryl sulfate (t = 20 °C) (adhesion was calculated by formula …

The results showed that the adsorption of sodium lauryl sulfate (SLS) by activated carbon was Langmuir's adsorption isotherm while its adsorption kinetics showed pseudo-second order with...

The results showed that the adsorption of sodium lauryl sulfate (SLS) by activated carbon was Langmuir's adsorption isotherm while its adsorption kinetics showed pseudo-second order with an adsorption rate constant of 2.23 x 103 g mg-1 …

The surface adsorption and micelle formation of the mixed anionic Gemini surfactant (C9pPHCNa) and cationic conventional surfactant (C(10)TABr) aqueous solutions have been investigated by surface ...

The adsorption efficiency and selectivity of activated carbon as an adsorbent for ions can be improved. One way is to convert activated carbon into surfactant modified activated carbon (SMAC). ... The surfactants used in this study were the anionic surfactant Sodium Lauryl Sulfate (SLS) and the cationic surfactant …

To prevent biofilm formation on a surface, surface charge can be modified by the adsorption of polymers, ... (LAS) and sodium lauryl sulfate (SLS), respectively; Johnston et al. show disinfection of S. aureus with an SDS solution. SLS is well known to denature proteins and is a useful part of cell lysing solutions for assays.

The aim of the present study was to examine the effect of SLS on protein adsorption in vitro and on pellicle formation in vivo. The effect on protein adsorption was studied …

The mechanisms of electrocoagulation process include coagulation, adsorption, precipitation and flotation [9]. ... (Sodium Lauryl Sulphate) used in commercial detergent formulation. The effects of different operating conditions were studied to optimize these conditions. The removal of anionic surfactant (Sodium Lauryl Sulphate) using …

Adsorption of Sodium Lauryl Sulfate and Triton X-100 on carbon steel in 0.5 M H 2 SO 4 obeyed Langmuir adsorption isotherm. Mechanism of adsorption has been studied and explained. Effect of TX 100 on the kinetics of the dissolution of steel in 0.5 M H 2 SO 4 was studied. The activation parameters E a, ∆H * and ∆S * were calculated and ...

SLS (CAS# 151–21–3; MW 288.38 g/mol; pH 7.2) is a nonvolatile, water-soluble (100–150 g/L at room temperature) compound with a partition coefficient (log P ow) of 1.6 – making it a relatively hydrophilic compound. 6––8 Generally, hydrophilic compounds have a low soil/sediment adsorption coefficient and low bioconcentration factors (BCFs). …

Surfactant adsorption to fluid interfaces is ubiquitous in biological systems, industrial applications, and scientific fields. Herein, we unravel the impact of the hydrophobic phase (air and oil) and the role of oil polarity on the adsorption of surfactants to fluid interfaces. We investigated the adsorption of anionic (sodium dodecyl sulfate), cationic …

Levy and Gumtowthe (1963) showed that the enhancing effect of sodium lauryl sulfate on drug dissolution rate is might not be only due to tablet microenvironmental pH modification or micellar solubilization, but rather to the improved solvent penetration into tablets and their component granules, which causes greater availability of drug surface.

This study investigates the influence of surfactant sodium lauryl sulfate (SLS) on the solubility of poorly-water soluble drug substances, model Compound X and Compound Y, used in a fixed dose combination oral solid dosage form. To determine the impact of SLS concentration on the solubility of compo …

There is a paucity of data in humans on the dermal absorption, metabolism, distribution and excretion of SLS, however, in vitro studies indicates limited penetration into the dermis. ... SLS (also known as sodium dodecyl sulfate or sodium lauryl sulfate ) is an organic compound with the formula CH. 3 (CH 2) 11 OSO 3 Na. In medicinal products ...

In another study, the adsorption of sulfates of sodium sulfate (Na 2 SO 4) and sodium lauryl sulfate (SLS) by calcium hydroxyapatite-modified micro fibrillated cellulose (CHA/MFC) was investigated in the aqueous solution, and the parameters that …

Semantic Scholar extracted view of "Surface Hydrolysis in Sodium Lauryl Sulfate Solutions and its Effect on Surface Tension and on Adsorption at the SolidAqueous Solution Interface" by M. A. Cook et al. ... The adsorption of tritium-labelled sodium stearate at the air/water interface was directly measured radiometrically using an ultra-thin ...

The authors concluded that sodium lauryl sulfate (25 mg), corn starch (450 mg), SSG (100 mg), coloidal silicon dioxide (20 mg), dibasic calcium phosphate (300 mg) and crosspovidone (50 mg) had no significant impact on bioavailability of either drug. The effects of MCC were indeterminate, as these were confounded with HPMC effects in the …

The results showed that the adsorption of sodium lauryl sulfate (SLS) by activated carbon was Langmuir's adsorption isotherm while its adsorption kinetics showed pseudo …

Surfactant-modified active carbon (SMAC) has been successfully synthesized from waste rice husk using a series of treatments i.e. carbonization, activation with H3PO4 and surface modification using sodium lauryl sulfate (SLS). The synthesized SMAC was characterized using SEM-EDX and FTIR. The adsorption results show that …

Surfactants, such as sodium lauryl sulphate (SLS), have been strategically utilized for the stabilization and colloidal dispersion of CdS NPs. ... The absorption peak for the CdS NPs is below 515 nm variation in bandgap energies among the CdS NPs samples can be attributed to several factors including the influence of SLS content of the band ...

Bulk and interfacial physical properties of aqueous solutions of sodium lauryl sulphate and lauryl alcohol with air and benzene system: Part I: Aqueous solutions of sodium lauryl sulphate. ... The adsorption of sodium lauryl sulfate and lauryl alcohol at the air-liquid interface. Journal of Colloid Science 1957, 12 (4), 345-355. https://doi ...

We investigated the adsorption of anionic (sodium dodecyl sulfate), cationic (dodecyltrimethylammonium bromide), and non-ionic (polyoxyethylene-(23) …

In limited cases, adsorption of sodium lauryl sulfate on various polymer surfaces is related to the measured interfacial tension of corresponding monomer/water interfaces. Preliminary data on the effect of oil phase polarity on the saturation adsorption of sodium lauryl sulfate at oil/water interfaces is analyzed using the above adsorption model.

Adsorption isotherms of SLS at pH 4 and 22°C (in 0.05 M NaCl with and without the post-adsorption of sodium oleate). The experimental results in Fig. 5 indicate that very little adsorption at low equilibrium concentration of SLS (up to the concentration of 14 mg l −1 ) for the test with only SLS, whereas the amount of SLS adsorbed ...

In recent years, researchers have attempted to increase the porosity of geopolymers using surface modifiers, such as surfactants (cetyltrimethylammonium bromide (CTAB), Sodium Dodecyl Sulfate (SDS)), or ing agents (e.g., hydrogen peroxide (H 2 O 2) or aluminum), to promote their use as adsorbents for the removal of contaminants …

In fact, the absorption and steric effects of sodium lauryl sulfate or sodium dodecyl sulfate on the surfaces of TiO 2 grains change the speed and the way of octahedral TiO 6 units combining by changing surface energy, resulting in the formation of mixed crystals. Based on these experimental facts, it is certain that the long alkyl chain of ...

Adsorption isotherms of sodium dodecyl sulfonate on alumina were determined at controlled ionic strength, pH, and temperature. Electrophoretic mobilities of the alumina were also measured for the ...

Sodium lauryl sulfate (SLS) is one of the main components present in detergents and personal hygiene products, therefore, it is the most common anionic surfactant substance in municipal wastewater, which during discharge endanger flora and fauna of.

The results showed that the adsorption of sodium lauryl sulfate (SLS) by activated carbon was Langmuir's adsorption isotherm while its adsorption kinetics showed pseudo-second order with an ...

Investigations using spectrophotometry, microscopy and microbiology revealed an increase in the degree of sorption of microbial cells on carbon cloth under …