المنتجات

Surface tension, interfacial tension and emulsification of sodium

The extended surfactants shown as in Fig. 1, sodium dodecyl polypropylene oxide sulfate (C 12 P m S, m = 4, 8 and 12) and sodium dodecyl polypropylene oxide–polyethylene oxide sulfate (C 12 P 8 E 2 S), were synthesized [17] in our laboratory and their purity determined by direct two-phase titration procedure was higher than 97%. …

Sodium Dodecyl Sulfate (SDS), C12

However, protein renaturation and other specialized methods require very specific surfactant and buffer conditions. This particular formulation of SDS is highly purified to eliminate nearly all secondary chain lengths besides C12. Properties of Sodium Dodecyl Sulfate, (pure C 12): • Molecular Weight: 288.5g • Detergent Class: Ionic (anionic)

Fate and Effects of the Surfactant Sodium Dodecyl Sulfate

Abstract. Surface-active agents, or surfactants, are detersive chemicals characterized by having two different moieties, one polar and the other nonpolar, at …

Surfactant-sodium dodecyl sulfate enhanced degradation …

Polystyrene microplastics (PS MPs) are a serious environmental problem that need effective remediation. This study proposes a novel strategy that uses surfactant-sodium dodecyl sulfate (SDS) to enhance the degradation of PS MPs by an energy-saving electrochemical advanced oxidation process (EAOP) with a boron-doped diamond (BDD) …

Ecotoxicity and interacting mechanism of anionic surfactant sodium

This paper reports the proportion-dependent toxicity of binary surfactant mixtures containing anionic sodium dodecyl sulfate (SDS) and nonionic fatty alcohol-polyoxyethlene ether (AEO) toward Photobacterium phosphoreum.The crucial role of toxicity interactions was elucidated by spectroscopic probing the refolding of the unfolded …

62862, Sodium dodecyl sulfate, 151-21-3, Sigma-Aldrich

15 KG. $797.00. Synonym (s): Dodecyl sodium sulfate, Dodecyl sulfate sodium salt, Lauryl sulfate sodium salt, SDS, Sodium lauryl sulfate. Linear Formula: CH3(CH2)11OSO3Na. CAS Number: 151-21-3. Molecular Weight:

Toxic effects of sodium dodecyl sulfate on planarian

Sodium dodecyl sulfate (SDS) is an anionic surfactant, which is widely used in various fields in human life. However, SDS discharged into the water environment has a certain impact on aquatic organisms. In this study, planarian Dugesia japonica ( D. japonica ) was used to identify the to …

Surfactants as Antimicrobials: A Brief Overview of Microbial

Glycine‐based surfactants, such as dodicin (dodecyl‐di(aminoethyl)‐glycine) (Block, 2001; Copello et al., 2008), show efficacy on bacteria and some viruses; optimal pH depends on the structure, as added aminoethyl functionality demonstrates peak efficacy at higher pH values. In Copello's work, dodicin was formulated into an antimicrobial ...

Sodium Dodecylbenzenesulfonate

CNTs can be well dispersed in water using anionic, cationic, and nonionic surfactants, such as sodium dodecyl sulfate (SDS) and sodium dodecylbenzene sulfonate (SDBS), cetyltrimethylammonium bromide (CTAB), Brij, Tween, Triton X, and siloxane polyether copolymer (PSPEO). 113,144–148 SDS 149–151 and SDBS 152,153 are commonly used …

Critical biodegradation process of a widely used surfactant …

1. Introduction Sodium dodecyl benzene sulfonate (DBS) is a typical surfactant that is widely used in industry, such as food processing, pharmaceutical, cosmetics, and papermaking industries; 1 it also is used in geoponics 2 and daily chemical products. 3 Globally, surfactant consumption reached almost 9 000 000 tons in the mid-1990s, 4 …

Sodium dodecyl sulfate, 151-21-3, ACS reagent, 436143, Sigma-Aldrich

Sodium dodecyl sulfate (SDS), also known as sodium lauryl sulfate, is a versatile anionic surfactant with a broad range of applications in cell biology, biochemistry, and various industries. Its amphiphilic nature, characterized by a hydrophobic hydrocarbon tail and a hydrophilic sulfate head group, makes it an effective detergent capable of ...

Fate and Effects of the Surfactant Sodium Dodecyl …

Sodium dodecyl sulfate (variously abbreviated SDS or NaDS) is one of the most frequently used names; others include sodium lauryl sulfate (SLS or NaLS) and dodecyl sulfate …

Treatment of surfactant wastewater by separation

Sodium dodecyl sulfonate (SDS) is a surfactant in producing polyvinyl butyral (PVB) resins to prevent agglomeration and adhesion of PVB particles (Wang et al., 2022). In the PVB synthesis system, the pH value is less than 7, and the concentration of SDS is between 0.5 and 2.0 mmol/L.

Inhibition of horseradish peroxidase activity through …

In this study, three traditional surfactants, sodium dodecyl sulfate (SDS), N-dodecyltrimethyl ammonium bromide (DTAB) and N-dodecyldimethyl (3-sulfopropyl) ammonium hydroxide (SB3-12), that share the same (C 12) hydrophobic tail but possess different charged head groups, were taken as model surfactant inhibitors, and the …

Sodium Dodecyl Sulfate

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 to recover the relatively expensive perdeuterated SDS. ... This amount of highly charged surfactant molecules is sufficient to overwhelm effectively the intrinsic ...

Interaction among branched polyethylenimine (PEI), sodium dodecyl

Sodium dodecyl sulfate (SDS, ≥ 98.5 %), purchased from Sigma-Aldrich, was used as surfactant. Cu 2+ solutions were prepared from copper (II) sulfate pentahydrate (ACS reagent, ≥ 98.0 %). Branched PEI, SDS and CuSO 4 were prepared as 2000 mg/L, 50 mM and 10 mM stock solutions in volumetric flasks, respectively, for use in the …

Ecotoxicity and Interacting Mechanism of Anionic Surfactant Sodium

Sodium dodecyl sulfate (SDS) and cetyl trimethylammonium bromide (CTAB) are common ionic surfactants. Former researches have investigated the interactions between the two surfactants and human ...

Sodium dodecyl sulfate CAS 151-21-3 | 817034

Quality Management Dossier (Open Access) Operational Excellence Dossier. SDS. CoA. Certificates. Synonyms: Lauryl sulfate sodium salt, SDS, Dodecyl sodium sulfate. CAS #: 151-21-3 EC Number: 205-788-1 Molar Mass: 288.38 g/mol Chemical Formula: C₁₂H₂₅OSO₂ONa Hill Formula: C₁₂H₂₅NaO₄S Grade: Ph Eur. View Products on ...

Sodium dodecyl sulfate, 151-21-3, BioReagent, L3771, Sigma …

Sodium dodecyl sulfate. (0) Write a review. Ask a question. Essential+ Grade. BioReagent, suitable for electrophoresis, for molecular biology, ≥98.5% (GC) Sign In to View …

Adsorption of anionic surfactant sodium dodecyl sulfate …

Adsorption of sodium dodecyl sulfate (SDS) onto large α-alumina beads was systematically analyzed as functions of pH and NaCl concentration. The maximum adsorption density of SDS onto α-Al2O3 increases with decreasing pH due to the increase in equilibrium surface charge. Adsorption isotherms at different salt concentrations …

The role of the surfactant sodium dodecyl sulfate to …

All other chemicals (e.g., Na 2 SO 4, NaCl, methanol, sodium dodecyl sulfate (SDS) and kerosene) were also supplied by Sinopharm Chemical Reagent Co. Ltd (China) and used as received. Deionized water was used for emulsion preparation. ... Surfactant stabilized oil-in-water emulsions were prepared by sonicating SDS ...

Surfactants: toxicity, remediation and green surfactants

The toxicity and biodegradation of the most commonly used anionic surfactants sodium dodecyl sulfate (SDS) and linear alkyl benzene sulfonate (LAS) are …

(PDF) Anionic surfactant sulfate dodecyl sodium (SDS) …

An anionic (sodium dodecyl sulfate, SDS), a cationic (cetyltrimethylammonium bromide, CTAB) and a nonionic (Triton X-100, TX-100) surfactants were employed at variable concentrations (5 × 10 ...

Effects of conventional and ionic liquid-based surfactants and sodium …

The current work is concentrated on the possible synergy between four surfactants of1-dodecyl 3-methyl imidazolium chloride ([C12mim][Cl]), 1-octadecyl 3-methyl imidazolium chloride ([C18mim][Cl ...

Sodium Dodecyl Sulfate

Sodium dodecyl sulfate (SDS) is an anionic surfactant used commonly for core-shell nanoparticle synthesis in which the concentration of the selected surfactant exceeds the …

Sodium dodecyl sulfate, 151-21-3, ReagentPlus, L4509, Sigma-Aldrich

General description. Sodium dodecyl sulfate (SDS), or sodium lauryl sulfate, is widely recognized as an anionic surfactant within the organosulfate class of organic compounds. Its effectiveness as a detergent spans both ionic and anionic conditions. SDS plays a critical role as a protein denaturant, facilitating the solubilization and ...

Carbon dioxide adsorption on a modified zeolite with sodium dodecyl …

Sodium dodecyl sulfate (SDS) surfactant is used and simulations at different SDS concentrations were conducted. The results show that adsorption of the gas is influenced by the amount of SDS on the zeolite surface. In addition, gas retention inside and outside the solid is observed and it strongly depends on the free sodium ions in the zeolite.

Ecotoxicological Effects of the Anionic Surfactant Sodium Dodecyl

Sodium Dodecyl Sulfate (SDS) is an anionic surfactant, extensively used in detergents, and personal care products, as well as in industrial processes. The present study aimed to disclose the potential toxicological effects of SDS exposure under environmentally relevant concentrations (0, 0.1, 1, 3, and 10 mg L−1) on the physiology …

Adsorption of an Anionic Surfactant (Sodium …

In this study, a method of removing an anionic surfactant sodium dodecyl sulfate (SDS) from an aqueous solution by cellulose modified with quaternary ammonium cation was discussed. Cellulose, as …

A recent overview of surfactant–drug interactions and their …

Interactions between surfactants and drugs. Go to: 1. Introduction. Surfactants are widely used chemical compounds that act as cleansing agents due to the formation of micelles. Surfactants are amphiphiles, surface-active agents that change interfacial properties and help to remove a phase from solid surfaces.

Sodium dodecyl sulphate: A very useful …

Key - words: Sodium dodecylsulphate, Biotechnology, Surfactant, Biochemistry, Polymer Introduction The most common sulphate surfactant is sodium dodecylsulphate (SDS) probably most extensively studied …

The Molecular Basis of the Sodium Dodecyl Sulfate Effect on …

To investigate the molecular interactions of sodium dodecyl sulfate (SDS) with human ubiquitin and its unfolding mechanisms, a comparative study was conducted on the interactions of the protein in ...

Role of Sodium Dodecyl Sulfate in Tailoring the Rheological …

Sodium dodecyl sulfate (SDS) is a widely used anionic surfactant that has been used to modify hydrogels' properties for different applications [23,30,31,32]. Anionic …

Sodium dodecyl sulphate: A very useful surfactant …

Sodium dodecylsulphate is most researched and best understood widely used anionic surfactant. It is obtained in a state of …