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Surfactant

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1301: 849: 1541: 1527: 1515:. Interest in biodegradable surfactants has led to much interest in "biosurfactants" such as those derived from amino acids. Biobased surfactants can offer improved biodegradation. However, whether surfactants damage the cells of fish or cause foam mountains on bodies of water depends primarily on their chemical structure and not on whether the carbon originally used came from fossil sources, carbon dioxide or biomass. 717: 204: 1221: 678: 841: 2805: 904:
of the surfactant. As the interface is created, the adsorption is limited by the diffusion of the surfactant to the interface. In some cases, there can exist an energetic barrier to adsorption or desorption of the surfactant. If such a barrier limits the adsorption rate, the dynamics are said to be
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between air and water, or at the interface between oil and water in the case where water is mixed with oil. The water-insoluble hydrophobic group may extend out of the bulk water phase into a non-water phase such as air or oil phase, while the water-soluble head group remains bound in the water
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Surfactants act to cause the displacement of air from the matrix of cotton pads and bandages so that medicinal solutions can be absorbed for application to various body areas. They also act to displace dirt and debris by the use of detergents in the washing of wounds and via the application of
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Non-ionic surfactants are less sensitive to water hardness than anionic surfactants, and they foam less strongly. The differences between the individual types of non-ionic surfactants are slight, and the choice is primarily governed having regard to the costs of special properties (e.g.,
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Detergents have also been used to decellularise organs. This process maintains a matrix of proteins that preserves the structure of the organ and often the microvascular network. The process has been successfully used to prepare organs such as the liver and heart for transplant in rats.
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application, wastewater irrigation, and remediation processes. Relatively high concentrations of surfactants together with multimetals can represent an environmental risk. At low concentrations, surfactant application is unlikely to have a significant effect on trace metal mobility.
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Murphy MG, Al-Khalidi M, Crocker JF, Lee SH, O'Regan P, Acott PD (April 2005). "Two formulations of the industrial surfactant, Toximul, differentially reduce mouse weight gain and hepatic glycogen in vivo during early development: effects of exposure to Influenza B Virus".
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were sprayed directly into the ocean at the leak and on the sea-water's surface. The apparent theory was that the surfactants isolate droplets of oil, making it easier for petroleum-consuming microbes to digest the oil. The active ingredient in Corexit is
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The dynamics of surfactant adsorption is of great importance for practical applications such as in foaming, emulsifying or coating processes, where bubbles or drops are rapidly generated and need to be stabilized. The dynamics of absorption depend on the
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Bolan, Shiv; Padhye, Lokesh P.; Mulligan, Catherine N.; Alonso, Emilio Ritore; Saint-Fort, Roger; Jasemizad, Tahereh; Wang, Chensi; Zhang, Tao; Rinklebe, Jörg; Wang, Hailong; Siddique, Kadambot H. M.; Kirkham, M. B.; Bolan, Nanthi (5 February 2023).
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Fatty acid ethoxylates are a class of very versatile surfactants, which combine in a single molecule the characteristic of a weakly anionic, pH-responsive head group with the presence of stabilizing and temperature responsive ethyleneoxide units.
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outer layer that forms a barrier between micelles. This inhibits the oil droplets, the hydrophobic cores of micelles, from merging into fewer, larger droplets ("emulsion breaking") of the micelle. The compounds that coat a micelle are typically
1286:: adding an inorganic salt to an aqueous solution of a weakly polar substance will cause the substance to precipitate. The substance may itself be a surfactant, which is one of the reasons why many surfactants are ineffective in sea water. 1478:
Because of the volume of surfactants released into the environment, for example laundry detergents in waters, their biodegradation is of great interest. Attracting much attention is the non-biodegradability and extreme persistence of
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in order to manipulate their growth, assembly, and electrical properties, in addition to mediating reactions on their surfaces. Research is ongoing in how surfactants arrange themselves on the surface of the quantum dots.
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Hernández-Soriano Mdel C, Peña A, Dolores Mingorance M (2010). "Release of metals from metal-amended soil treated with a sulfosuccinamate surfactant: effects of surfactant concentration, soil/solution ratio, and pH".
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Agents that increase surface tension are "surface active" in the literal sense but are not called surfactants as their effect is opposite to the common meaning. A common example of surface tension increase is
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Non-ionic surfactants have covalently bonded oxygen-containing hydrophilic groups, which are bonded to hydrophobic parent structures. The water-solubility of the oxygen groups is the result of
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surfactant has no charged groups in its head. The head of an ionic surfactant carries a net positive, or negative, charge. If the charge is negative, the surfactant is more specifically called
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Metcalfe TL, Dillon PJ, Metcalfe CD (April 2008). "Detecting the transport of toxic pesticides from golf courses into watersheds in the Precambrian Shield region of Ontario, Canada".
697:. Their properties vary and can be either anionic, cationic, or zwitterionic, depending on the amino acid used and which part of the amino acid is condensed with the alkyl/aryl chain. 47:
of oil in water. In this example, the surfactant molecules' oil-soluble tails project into the oil (blue), while the water-soluble ends remain in contact with the water phase (red).
134:; they can also be found in the secretions of some caterpillars. Today the most commonly used surfactants, above all anionic linear alkylbenzene sulfates (LAS), are produced from 96:, coined in 1950 . As they consist of a water-repellent and a water-attracting part, they enable water and oil to mix; they can form foam and facilitate the detachment of dirt. 1086:
In solution, detergents help solubilize a variety of chemical species by dissociating aggregates and unfolding proteins. Popular surfactants in the biochemistry laboratory are
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Surface rheology can be characterized by the oscillating drop method or shear surface rheometers such as double-cone, double-ring or magnetic rod shear surface rheometer.
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Percival, S.l.; Mayer, D.; Malone, M.; Swanson, T; Gibson, D.; Schultz, G. (2 November 2017). "Surfactants and their role in wound cleansing and biofilm management".
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Chiappisi, Leonardo (December 2017). "Polyoxyethylene alkyl ether carboxylic acids: An overview of a neglected class of surfactants with multiresponsive properties".
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therapy helps patients have normal respiration by using pharmaceutical forms of the surfactants. One example of a pharmaceutical pulmonary surfactant is Survanta (
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Surfactants are routinely deposited in numerous ways on land and into water systems, whether as part of an intended process or as industrial and household waste.
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alkylbenzyldimethylammonium chloride has an LD50 of 0.35 g/kg. Prolonged exposure to surfactants can irritate and damage the skin because surfactants disrupt the
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Mc Callion, O. N. M.; Taylor, K. M. G.; Thomas, M.; Taylor, A. J. (8 March 1996). "The influence of surface tension on aerosols produced by medical nebulisers".
158:"tails." The "heads" of surfactants are polar and may or may not carry an electrical charge. The "tails" of most surfactants are fairly similar, consisting of a 1078:
medicinal lotions and sprays to surface of skin and mucous membranes. Surfactants enhance remediation via soil washing, bioremediation, and phytoremediation.
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Surfactants are among the most widespread and commercially important chemicals. Private households as well as many industries use them in large quantities as
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Reznik GO, Vishwanath P, Pynn MA, Sitnik JM, Todd JJ, Wu J, et al. (May 2010). "Use of sustainable chemistry to produce an acyl amino acid surfactant".
458:. Hydrogen bonding decreases with increasing temperature, and the water solubility of non-ionic surfactants therefore decreases with increasing temperature. 2118:
Murray, C. B.; Kagan, C. R.; Bawendi, M. G. (2000). "Synthesis and Characterization of Monodisperse Nanocrystals and Close-Packed Nanocrystal Assemblies".
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have a carboxylate with the ammonium. The most common biological zwitterionic surfactants have a phosphate anion with an amine or ammonium, such as the
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Hernández-Soriano Mdel C, Degryse F, Smolders E (March 2011). "Mechanisms of enhanced mobilisation of trace metals by anionic surfactants in soil".
1663: 390:) surfactants have both cationic and anionic centers attached to the same molecule. The cationic part is based on primary, secondary, or tertiary 748:
solvents such as oil in water, or as protic solvents such as water in oil. When the droplet is aprotic it is sometimes known as a reverse micelle.
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that protects skin and other cells. Skin irritancy generally increases in the series non-ionic, amphoteric, anionic, cationic surfactants.
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of surfactant layers, including the elasticity and viscosity of the layer, play an important role in the stability of foams and emulsions.
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consist of two surfactant molecules linked together at or near their head groups. Compared to monomeric surfactants, they have much lower
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Rebello, Sharrel; Asok, Aju K.; Mundayoor, Sathish; Jisha, M. S. (2014). "Surfactants: Toxicity, remediation and green surfactants".
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Vafaeezadeh, Majid; Wilhelm, Christian; Breuninger, Paul; Ernst, Stefan; Antonyuk, Sergiy; Thiel, Werner R. (20 May 2020).
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Maldonado-Valderrama, Julia; Wilde, Pete; MacIerzanka, Adam; MacKie, Alan (2011). "The role of bile salts in digestion".
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Ying, Guang-Guo (2006). "Fate, behavior and effects of surfactants and their degradation products in the environment".
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Zherebetskyy D, Scheele M, Zhang Y, Bronstein N, Thompson C, Britt D, Salmeron M, Alivisatos P, Wang LW (June 2014).
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Bordes, Romain; Holmberg, Krister (28 March 2015). "Amino acid-based surfactants – do they deserve more attention?".
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tails of the surfactant ions remain inside the oil because they interact more strongly with oil than with water. The
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at the liquid-air interface. The relation that links the surface tension and the surface excess is known as the
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Surfactant classification according to the composition of their head: non-ionic, anionic, cationic, amphoteric.
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Mergel, Maria. "Nonylphenol and Nonylphenol Ethoxylates." Toxipedia.org. N.p., 1 Nov. 2011. Web. 27 Apr. 2014.
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Sodium stearate, the most common component of most soap, which comprises about 50% of commercial surfactants
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Janus-type material is used as a surfactant-like heterogeneous catalyst for the synthesis of adipic acid.
735:"heads" of the surfactant molecules coating the micelle interact more strongly with water, so they form a 410: 325: 321: 283: 269: 1810:
Kurt Kosswig "Surfactants" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, 2005, Weinheim.
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or quaternary ammonium cations. The anionic part can be more variable and include sulfonates, as in the
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in the stabilization of the droplets, and the prevention of the fusion of droplets during incubation.
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Committee on Effectiveness of Oil Spill Dispersants (National Research Council Marine Board) (1989).
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4-(5-Dodecyl) benzenesulfonate, a linear dodecylbenzenesulfonate, one of the most common surfactants
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Interfacial and surface tension can be characterized by classical methods such as the -pendant or
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World production of surfactants is estimated at 15 million tons per year, of which about half are
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Paria, Santanu (2008). "Surfactant-enhanced remediation of organic contaminated soil and water".
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Carboxylates are the most common surfactants and comprise the carboxylate salts (soaps), such as
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Surfactant molecules have either one tail or two; those with two tails are said to be
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them. Non-solubilized material is harvested by centrifugation or other means. For
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conversely, may be inserted to increase the lipophilic character of a surfactant.
2686: 2487: 1994: 1647: 189:-like) sequences inserted to increase the hydrophilic character of a surfactant. 3112: 3012: 2960: 1508: 1376: 1283: 1220: 1183: 1150:, for example, proteins are classically treated with SDS to denature the native 1043: 1031: 831: 797: 769: 761: 757: 741: 736: 716: 677: 611: 443: 159: 27:
Substance that lowers the surface tension between a liquid and another material
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Many important surfactants include a polyether chain terminating in a highly
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protein by lysis of the cells and tissues: They disorganize the membrane's
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Most commonly, surfactants are classified according to polar head group. A
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Better Than Water? How Wet Water Outperforms Regular Water in Firefighting
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Surfactants occur naturally in traditional plant-based detergents, e.g.
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groups are usually lipophilic, for use in soaps and detergents, while
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effectiveness and efficiency, toxicity, dermatological compatibility,
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in nature, meaning that micelles may be stable either as droplets of
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surfactants contain anionic functional groups at their head, such as
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Firefighters Turn to "Wet Water" to Fight Larger, More Complex Fires
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Anionic: sulfate, sulfonate, and phosphate, carboxylate derivatives
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have high LD50 (5 g/kg) and are essentially non-toxic, while the
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In the bulk aqueous phase, surfactants form aggregates, such as
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anionic group. The polyether groups often comprise ethoxylated (
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are two commonly used zwitterionic surfactants of the tertiary
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agents in many practical applications and products, including
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Most anionic and non-ionic surfactants are non-toxic, having
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Anionic surfactants can be found in soils as the result of
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are also naturally secreted by type II cells of the lung
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of oil in aqueous suspension, such as might occur in an
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1466:(Span 80), and polyoxyethylenated sorbitan monooleate ( 2719:"The biodegradation of surfactants in the environment" 1122:), and solubilize proteins. Milder detergents such as 2103:. National Institutes of Health (NIH). Archived from 1737:"Biobased Surfactants Market Report: Market Analysis" 1491:
treatment and biodegradation. Two major surfactants,
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The structure of surfactant layers can be studied by
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Characterization of interfaces and surfactant layers
162:chain, which can be branched, linear, or aromatic. 1698: 1487:(PFOA). Strategies to enhance degradation include 1581: – Mixture of two or more immiscible liquids 1572: – mixture of chemicals used as a surfactant 1134:are used to solubilize membrane proteins such as 954:Surfactants play an important role as cleaning, 320:and carboxylate-based fluorosurfactants such as 1355:in order to facilitate breathing by increasing 2831: 1415:, varies. Dialkyldimethylammonium chlorides ( 1375:) or its generic form Beraksurf, produced by 1347:The human body produces diverse surfactants. 796:("oil-avoiding") depending on its chemistry. 681:Gemini amino acid-based surfactant (based on 336:pH-dependent primary, secondary, or tertiary 8: 2224:"Surfactants in droplet-based microfluidics" 1604:surfactants in water with a bluing reaction. 1082:Detergents in biochemistry and biotechnology 150:Most surfactants are organic compounds with 1249:. Unsourced material may be challenged and 528:Ethoxylated amines and/or fatty acid amides 272:(sodium lauryl ether sulfate or SLES), and 3057:Giant bubbles, coloured bubbles, freezing 2838: 2824: 2816: 2222:Baret, Jean-Christophe (10 January 2012). 1610: – Non-ionic surfactant-based vesicle 1191:Surfactants in droplet-based microfluidics 562:Fatty acid esters of polyhydroxy compounds 219:; if the charge is positive, it is called 2734: 2324:Advances in Colloid and Interface Science 2298: 1926:Advances in Colloid and Interface Science 1868:Advances in Colloid and Interface Science 1829:Advances in Colloid and Interface Science 1806: 1804: 1802: 1269:Learn how and when to remove this message 1026:. Also agrochemical formulations such as 523:Special ethoxylated fatty esters and oils 2853: 1860: 1858: 1299: 1638: 1094:(CTAB). Detergents are key reagents to 857:Structure of surfactant phases in water 497:Alkylphenol ethoxylates (APEs or APEOs) 2574:Using Oil Spill Dispersants on the Sea 2026:International Journal of Pharmaceutics 1781:"Bordwell pKa Table (Acidity in DMSO)" 1731: 1729: 1596: – Scientific testing method, an 1195:Surfactants play an important role in 491:Pentaethylene glycol monododecyl ether 2411:from the original on 14 November 2021 2262:from the original on 14 February 2020 1787:from the original on 27 December 2012 1666:from the original on 8 January 2017. 1649:Surfactants and Interfacial Phenomena 895:Dynamics of surfactants at interfaces 486:Octaethylene glycol monododecyl ether 7: 2717:Scott MJ, Jones MN (November 2000). 1719:participating institution membership 1247:adding citations to reliable sources 369:dimethyldioctadecylammonium chloride 316:. More specialized species include 2599:from the original on 3 January 2019 2121:Annual Review of Materials Research 1563: – class of chemical compounds 788:The hydrophobic tail may be either 373:dioctadecyldimethylammonium bromide 260:. Prominent alkyl sulfates include 62:or interfacial tension between two 2619:"2010/15 PFOA Stewardship Program" 2203:from the original on 26 March 2020 1905:from the original on 26 April 2012 1152:tertiary and quaternary structures 1046:). Personal care products such as 804:groups are lipophobic, for use in 25: 2872:Experiments and characterization 2453:10.1016/j.chemosphere.2004.11.084 931:maximum bubble pressure apparatus 466:) or permission for use in food. 2803: 2552:from the original on 5 July 2011 1539: 1525: 1219: 693:are surfactants derived from an 2640:Environmental Chemistry Letters 2142:10.1146/annurev.matsci.30.1.545 2099:Wein, Harrison (28 June 2010). 1668:A surfactant (a contraction of 1092:cetyl trimethylammonium bromide 705:critical micelle concentrations 291:(dioctyl sodium sulfosuccinate) 2066:Journal of Hazardous Materials 1646:Rosen MJ, Kunjappu JT (2012). 1493:linear alkylbenzene sulfonates 1391:Safety and environmental risks 879:(HLB). Surfactants reduce the 877:hydrophilic-lipophilic balance 550:Terminally blocked ethoxylates 403:cocamidopropyl hydroxysultaine 101:detergents and cleaning agents 1: 2736:10.1016/S0304-4157(00)00013-7 2078:10.1016/j.jhazmat.2022.130189 1460:dioctyl sodium sulfosuccinate 1405:quaternary ammonium compounds 1365:respiratory distress syndrome 808:or reducing surface tension. 584:Fatty acid esters of sorbitol 567:Fatty acid esters of glycerol 74:. The word "surfactant" is a 2687:10.1016/j.envint.2005.07.004 2577:. National Academies Press. 2488:10.1016/j.envpol.2010.11.009 2038:10.1016/0378-5173(95)04279-2 1995:10.12968/jowc.2017.26.11.680 1511:, which is thought to be an 772:"water-avoiding" group (the 691:Amino acid-based surfactants 640:Fatty acid esters of sucrose 534:Polyethoxylated tallow amine 401:(3--1-propanesulfonate) and 3179:Cleaning product components 2760:Appl. Microbiol. Biotechnol 1783:. University of Wisconsin. 1570:Disodium cocoamphodiacetate 1495:(LAS) and the alkyl phenol 1453:, unprecedented amounts of 1451:Deepwater Horizon oil spill 1197:droplet-based microfluidics 764:"water-seeking" group (the 305:Alkyl-aryl ether phosphates 3210: 2846:Foam scales and properties 2628:Accessed October 26, 2008. 1587: – chemical substance 1333:monounsaturated fatty acid 1293: 1182:Surfactants are used with 1066:. Surfactants are used in 860: 648: 342:octenidine dihydrochloride 318:sodium lauroyl sarcosinate 103:, but also for example as 3194:Underwater diving physics 3189:Environmental terminology 2851: 2772:10.1007/s00253-009-2431-8 2675:Environment International 2652:10.1007/s10311-014-0466-2 2336:10.1016/j.cis.2010.12.002 1938:10.1016/j.cis.2007.11.001 1881:10.1016/j.cis.2014.10.013 1841:10.1016/j.cis.2017.10.001 1706:Oxford English Dictionary 1211:Increased surface tension 712:Composition and structure 539:Cocamide monoethanolamine 475:Fatty alcohol ethoxylates 436:Lauryldimethylamine oxide 349:quaternary ammonium salts 1816:10.1002/14356007.a25_747 1741:Ceresana Market Research 1547:Underwater diving portal 911:electrostatic repulsions 752:Surfactants are usually 422:phosphatidylethanolamine 379:Zwitterionic surfactants 357:cetylpyridinium chloride 301:Perfluorobutanesulfonate 295:Perfluorooctanesulfonate 2624:27 October 2008 at the 2181:10.1126/science.1252727 1779:Reich, Hans J. (2012). 1711:Oxford University Press 1499:(APE) break down under 1203:Heterogeneous catalysis 1178:Quantum dot preparation 817:alkylbenzene sulfonates 544:Cocamide diethanolamine 481:Narrow-range ethoxylate 284:Alkylbenzene sulfonates 262:ammonium lauryl sulfate 2723:Biochim. Biophys. Acta 2359:Environ. Toxicol. Chem 2300:10.1002/cctc.202000140 1507:plants and in soil to 1485:perfluorooctanoic acid 1369:surfactant replacement 1344: 853: 845: 830:(700,000 tons/y), and 819:(1.7 million tons/y), 749: 686: 514:Fatty acid ethoxylates 411:cocamidopropyl betaine 308:Alkyl ether phosphates 270:sodium laureth sulfate 208: 48: 3001:double bubble theorem 2875:Transport properties 1983:Journal of Wound Care 1303: 1294:Further information: 1164:Pulmonary surfactants 1088:sodium lauryl sulfate 902:diffusion coefficient 851: 843: 719: 680: 673:Other classifications 601:Sorbitan monostearate 573:Glycerol monostearate 365:benzethonium chloride 361:benzalkonium chloride 274:sodium myreth sulfate 266:sodium lauryl sulfate 206: 35: 3052:double bubble theory 2812:at Wikimedia Commons 2524:10.2134/jeq2009.0242 1901:. 11 November 2011. 1899:The Lipid Chronicles 1766:www.esteem-india.com 1623:Surfactants in paint 1503:conditions found in 1349:Pulmonary surfactant 1341:saturated fatty acid 1296:Pulmonary surfactant 1243:improve this section 927:spinning drop method 645:Alkyl polyglucosides 606:Sorbitan tristearate 596:Sorbitan monolaurate 578:Glycerol monolaurate 347:Permanently charged 332:Cationic head groups 191:Polypropylene oxides 172:Siloxane surfactants 70:, or a liquid and a 18:Surface-Active Agent 3184:Colloidal chemistry 2965:disjoining pressure 2445:2005Chmsp..59..235M 2173:2014Sci...344.1380Z 2134:2000AnRMS..30..545M 1709:(Online ed.). 1628:Surfactant leaching 1561:Cleavable detergent 1513:endocrine disruptor 1464:sorbitan monooleate 1449:In the case of the 1357:total lung capacity 1351:is produced in the 1305:Phosphatidylcholine 1124:octyl thioglucoside 792:("oil-seeking") or 651:Alkyl polyglycoside 426:phosphatidylcholine 353:cetrimonium bromide 2240:10.1039/C1LC20582J 1403:. The toxicity of 1345: 1038:(sanitizers), and 941:X-ray reflectivity 854: 846: 837:(500,000 tons/y). 823:(600,000 tons/y), 750: 701:Gemini surfactants 687: 418:phosphatidylserine 326:perfluorooctanoate 322:perfluorononanoate 209: 187:polyethylene oxide 136:petroleum products 58:that decrease the 56:chemical compounds 49: 3151: 3150: 3146: 3145: 2989:Thin film balance 2808:Media related to 2592:978-0-309-03889-8 2293:(10): 2695–2701. 2107:on 5 August 2012. 1717:(Subscription or 1659:978-1-118-22902-6 1279: 1278: 1271: 1132:dodecyl maltoside 1060:hair conditioners 1014:, snowboard wax, 821:lignin sulfonates 756:that are akin to 754:organic compounds 446:structural type. 440:myristamine oxide 164:Fluorosurfactants 66:, a liquid and a 16:(Redirected from 3201: 3127:light scattering 3122:light scattering 3111:, bubble model, 3098:light scattering 2980:surface rheology 2932:surface rheology 2911:Surface rheology 2854: 2840: 2833: 2826: 2817: 2807: 2792: 2791: 2755: 2749: 2748: 2738: 2714: 2708: 2705: 2699: 2698: 2670: 2664: 2663: 2635: 2629: 2615: 2609: 2608: 2606: 2604: 2568: 2562: 2561: 2559: 2557: 2542: 2536: 2535: 2512:J. Environ. Qual 2506: 2500: 2499: 2471: 2465: 2464: 2427: 2421: 2420: 2418: 2416: 2405:www.shimadzu.com 2397: 2391: 2390: 2371:10.1897/07-216.1 2354: 2348: 2347: 2319: 2313: 2312: 2302: 2278: 2272: 2271: 2269: 2267: 2219: 2213: 2212: 2210: 2208: 2167:(6190): 1380–4. 2152: 2146: 2145: 2115: 2109: 2108: 2096: 2090: 2089: 2056: 2050: 2049: 2021: 2015: 2014: 1978: 1972: 1967: 1961: 1956: 1950: 1949: 1921: 1915: 1914: 1912: 1910: 1891: 1885: 1884: 1862: 1853: 1852: 1824: 1818: 1808: 1797: 1796: 1794: 1792: 1776: 1770: 1769: 1758: 1752: 1751: 1749: 1747: 1733: 1724: 1722: 1714: 1702: 1695: 1689: 1688: 1643: 1619: 1590: 1575: 1566: 1549: 1544: 1543: 1542: 1535: 1533:Chemistry portal 1530: 1529: 1528: 1505:sewage treatment 1481:fluorosurfactant 1425:fabric softeners 1338: 1330: 1322: 1310: 1274: 1267: 1263: 1260: 1254: 1223: 1215: 1156:molecular weight 980:fabric softeners 915:surface rheology 863:Wetting solution 806:repelling stains 662:Lauryl glucoside 464:biodegradability 456:hydrogen bonding 279:Others include: 21: 3209: 3208: 3204: 3203: 3202: 3200: 3199: 3198: 3154: 3153: 3152: 3147: 3109:Surface Evolver 3070:Liquid fraction 2957:Surface tension 2920:Langmuir trough 2847: 2844: 2800: 2795: 2757: 2756: 2752: 2729:(1–2): 235–51. 2716: 2715: 2711: 2706: 2702: 2672: 2671: 2667: 2637: 2636: 2632: 2626:Wayback Machine 2616: 2612: 2602: 2600: 2593: 2570: 2569: 2565: 2555: 2553: 2544: 2543: 2539: 2518:(4): 1298–305. 2508: 2507: 2503: 2476:Environ. Pollut 2473: 2472: 2468: 2429: 2428: 2424: 2414: 2412: 2399: 2398: 2394: 2356: 2355: 2351: 2321: 2320: 2316: 2280: 2279: 2275: 2265: 2263: 2221: 2220: 2216: 2206: 2204: 2154: 2153: 2149: 2117: 2116: 2112: 2098: 2097: 2093: 2058: 2057: 2053: 2023: 2022: 2018: 1989:(11): 680–690. 1980: 1979: 1975: 1968: 1964: 1957: 1953: 1923: 1922: 1918: 1908: 1906: 1893: 1892: 1888: 1864: 1863: 1856: 1826: 1825: 1821: 1809: 1800: 1790: 1788: 1778: 1777: 1773: 1760: 1759: 1755: 1745: 1743: 1735: 1734: 1727: 1716: 1697: 1696: 1692: 1660: 1645: 1644: 1640: 1636: 1617: 1614:Oil dispersants 1600:that indicates 1588: 1573: 1564: 1545: 1540: 1538: 1531: 1526: 1524: 1521: 1476: 1393: 1361:lung compliance 1336: 1328: 1320: 1308: 1298: 1292: 1275: 1264: 1258: 1255: 1240: 1224: 1213: 1205: 1193: 1180: 1148:electrophoresis 1128:octyl glucoside 1084: 1020:recycled papers 952: 923: 897: 881:surface tension 865: 859: 714: 675: 667:Octyl glucoside 657:Decyl glucoside 653: 647: 642: 586: 569: 564: 552: 530: 525: 516: 499: 477: 472: 452: 381: 334: 328:(PFOA or PFO). 314:sodium stearate 239: 148: 128:horse chestnuts 60:surface tension 28: 23: 22: 15: 12: 11: 5: 3207: 3205: 3197: 3196: 3191: 3186: 3181: 3176: 3171: 3169:Bioremediation 3166: 3156: 3155: 3149: 3148: 3144: 3143: 3141: 3138: 3129: 3124: 3115: 3095: 3090: 3082:, avalanches, 3077: 3067: 3065: 3059: 3058: 3055: 3053: 3050: 3045: 3036: 3034: 3029: 3023: 3021:Plateau's laws 3017: 3015: 3009: 3008: 3005: 3003: 2998: 2993: 2991: 2985:Interferometry 2982: 2973: 2967: 2954: 2951: 2945: 2944: 2942: 2940: 2938: 2936: 2934: 2917: 2908: 2906: 2897: 2895: 2889: 2888: 2885: 2882: 2879: 2876: 2873: 2870: 2867: 2864: 2861: 2858: 2852: 2849: 2848: 2845: 2843: 2842: 2835: 2828: 2820: 2814: 2813: 2799: 2798:External links 2796: 2794: 2793: 2766:(5): 1387–97. 2750: 2709: 2700: 2681:(3): 417–431. 2665: 2646:(2): 275–287. 2630: 2610: 2591: 2563: 2537: 2501: 2466: 2422: 2392: 2349: 2314: 2273: 2234:(3): 422–433. 2214: 2147: 2128:(1): 545–610. 2110: 2091: 2051: 2032:(1): 123–136. 2016: 1973: 1962: 1951: 1916: 1886: 1854: 1819: 1798: 1771: 1753: 1725: 1690: 1658: 1637: 1635: 1632: 1631: 1630: 1625: 1620: 1611: 1605: 1591: 1582: 1576: 1567: 1558: 1551: 1550: 1536: 1520: 1517: 1475: 1474:Biodegradation 1472: 1433:lipid membrane 1399:comparable to 1392: 1389: 1383:respectively. 1291: 1288: 1277: 1276: 1227: 1225: 1218: 1212: 1209: 1204: 1201: 1192: 1189: 1179: 1176: 1083: 1080: 951: 948: 922: 919: 896: 893: 889:Gibbs isotherm 873:lipid bilayers 861:Main article: 858: 855: 713: 710: 709: 708: 698: 674: 671: 670: 669: 664: 659: 649:Main article: 646: 643: 641: 638: 637: 636: 631: 626: 621: 609: 608: 603: 598: 585: 582: 581: 580: 575: 568: 565: 563: 560: 559: 558: 551: 548: 547: 546: 541: 536: 529: 526: 524: 521: 515: 512: 511: 510: 505: 498: 495: 494: 493: 488: 483: 476: 473: 471: 468: 451: 448: 430:sphingomyelins 380: 377: 333: 330: 310: 309: 306: 303: 298: 292: 286: 238: 235: 198:double-chained 147: 146:Classification 144: 119:additives, or 113:foaming agents 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 3206: 3195: 3192: 3190: 3187: 3185: 3182: 3180: 3177: 3175: 3174:Biotechnology 3172: 3170: 3167: 3165: 3162: 3161: 3159: 3142: 3139: 3137: 3133: 3130: 3128: 3125: 3123: 3119: 3116: 3114: 3110: 3106: 3105:conductimetry 3102: 3099: 3096: 3094: 3091: 3089: 3085: 3081: 3078: 3075: 3071: 3068: 3066: 3064: 3061: 3060: 3056: 3054: 3051: 3049: 3048:Interferences 3046: 3044: 3040: 3037: 3035: 3033: 3030: 3028: 3024: 3022: 3018: 3016: 3014: 3011: 3010: 3006: 3004: 3002: 2999: 2997: 2996:Interferences 2994: 2992: 2990: 2986: 2983: 2981: 2977: 2974: 2971: 2968: 2966: 2962: 2958: 2955: 2953:Frankel's law 2952: 2950: 2947: 2946: 2943: 2941: 2939: 2937: 2935: 2933: 2929: 2925: 2921: 2918: 2916: 2912: 2909: 2907: 2905: 2901: 2898: 2896: 2894: 2891: 2890: 2886: 2884:Applications 2883: 2880: 2877: 2874: 2871: 2868: 2865: 2862: 2859: 2856: 2855: 2850: 2841: 2836: 2834: 2829: 2827: 2822: 2821: 2818: 2811: 2806: 2802: 2801: 2797: 2789: 2785: 2781: 2777: 2773: 2769: 2765: 2761: 2754: 2751: 2746: 2742: 2737: 2732: 2728: 2724: 2720: 2713: 2710: 2704: 2701: 2696: 2692: 2688: 2684: 2680: 2676: 2669: 2666: 2661: 2657: 2653: 2649: 2645: 2641: 2634: 2631: 2627: 2623: 2620: 2614: 2611: 2598: 2594: 2588: 2584: 2580: 2576: 2575: 2567: 2564: 2551: 2547: 2541: 2538: 2533: 2529: 2525: 2521: 2517: 2513: 2505: 2502: 2497: 2493: 2489: 2485: 2482:(3): 809–16. 2481: 2477: 2470: 2467: 2462: 2458: 2454: 2450: 2446: 2442: 2439:(2): 235–46. 2438: 2434: 2426: 2423: 2410: 2406: 2402: 2396: 2393: 2388: 2384: 2380: 2376: 2372: 2368: 2364: 2360: 2353: 2350: 2345: 2341: 2337: 2333: 2329: 2325: 2318: 2315: 2310: 2306: 2301: 2296: 2292: 2288: 2284: 2277: 2274: 2261: 2257: 2253: 2249: 2245: 2241: 2237: 2233: 2229: 2228:Lab on a Chip 2225: 2218: 2215: 2202: 2198: 2194: 2190: 2186: 2182: 2178: 2174: 2170: 2166: 2162: 2158: 2151: 2148: 2143: 2139: 2135: 2131: 2127: 2123: 2122: 2114: 2111: 2106: 2102: 2095: 2092: 2087: 2083: 2079: 2075: 2071: 2067: 2063: 2055: 2052: 2047: 2043: 2039: 2035: 2031: 2027: 2020: 2017: 2012: 2008: 2004: 2000: 1996: 1992: 1988: 1984: 1977: 1974: 1971: 1966: 1963: 1960: 1955: 1952: 1947: 1943: 1939: 1935: 1931: 1927: 1920: 1917: 1904: 1900: 1896: 1890: 1887: 1882: 1878: 1874: 1870: 1869: 1861: 1859: 1855: 1850: 1846: 1842: 1838: 1834: 1830: 1823: 1820: 1817: 1813: 1807: 1805: 1803: 1799: 1786: 1782: 1775: 1772: 1767: 1763: 1757: 1754: 1742: 1738: 1732: 1730: 1726: 1720: 1712: 1708: 1707: 1701: 1694: 1691: 1687: 1685: 1684: 1680: 1676: 1672: 1665: 1661: 1655: 1651: 1650: 1642: 1639: 1633: 1629: 1626: 1624: 1621: 1615: 1612: 1609: 1606: 1603: 1599: 1595: 1592: 1586: 1583: 1580: 1577: 1571: 1568: 1562: 1559: 1556: 1553: 1552: 1548: 1537: 1534: 1523: 1518: 1516: 1514: 1510: 1506: 1502: 1498: 1494: 1490: 1486: 1482: 1473: 1471: 1469: 1465: 1461: 1456: 1452: 1447: 1444: 1443:sewage sludge 1439: 1436: 1434: 1430: 1426: 1422: 1418: 1414: 1410: 1409:antibacterial 1406: 1402: 1398: 1390: 1388: 1386: 1382: 1378: 1374: 1370: 1366: 1362: 1358: 1354: 1350: 1342: 1334: 1326: 1318: 1314: 1306: 1302: 1297: 1289: 1287: 1285: 1273: 1270: 1262: 1252: 1248: 1244: 1238: 1237: 1233: 1228:This section 1226: 1222: 1217: 1216: 1210: 1208: 1202: 1200: 1198: 1190: 1188: 1185: 1177: 1175: 1173: 1169: 1165: 1159: 1157: 1153: 1149: 1145: 1141: 1137: 1133: 1129: 1125: 1121: 1117: 1113: 1109: 1105: 1101: 1100:lipid bilayer 1097: 1093: 1089: 1081: 1079: 1075: 1073: 1069: 1065: 1061: 1057: 1053: 1049: 1045: 1041: 1037: 1033: 1029: 1025: 1021: 1017: 1013: 1009: 1005: 1001: 997: 993: 989: 985: 981: 977: 973: 969: 965: 961: 957: 949: 947: 944: 942: 938: 933: 932: 928: 920: 918: 916: 912: 908: 903: 894: 892: 890: 886: 882: 878: 874: 870: 864: 856: 850: 842: 838: 836: 833: 829: 826: 825:fatty alcohol 822: 818: 814: 809: 807: 803: 799: 795: 791: 786: 783: 779: 775: 771: 767: 763: 759: 755: 747: 743: 738: 734: 730: 726: 723:diagram of a 722: 718: 711: 706: 702: 699: 696: 692: 689: 688: 684: 679: 672: 668: 665: 663: 660: 658: 655: 654: 652: 644: 639: 635: 632: 630: 627: 625: 622: 620: 617: 616: 615: 613: 607: 604: 602: 599: 597: 594: 593: 592: 590: 583: 579: 576: 574: 571: 570: 566: 561: 557: 554: 553: 549: 545: 542: 540: 537: 535: 532: 531: 527: 522: 520: 513: 509: 506: 504: 501: 500: 496: 492: 489: 487: 484: 482: 479: 478: 474: 469: 467: 465: 459: 457: 449: 447: 445: 441: 437: 433: 431: 427: 423: 419: 416: 415:phospholipids 412: 408: 404: 400: 397: 393: 389: 385: 378: 376: 374: 370: 366: 362: 358: 354: 350: 345: 343: 339: 331: 329: 327: 323: 319: 315: 307: 304: 302: 299: 296: 293: 290: 287: 285: 282: 281: 280: 277: 275: 271: 267: 263: 259: 255: 251: 247: 243: 236: 234: 232: 228: 227: 222: 218: 214: 205: 201: 199: 194: 192: 188: 184: 179: 177: 173: 169: 165: 161: 157: 153: 145: 143: 141: 137: 133: 129: 124: 122: 118: 114: 110: 106: 102: 97: 95: 94: 90: 86: 82: 77: 73: 69: 65: 61: 57: 53: 46: 42: 39:diagram of a 38: 34: 30: 19: 3113:Potts' model 3007:Giant films 2924:ellipsometry 2892: 2763: 2759: 2753: 2726: 2722: 2712: 2703: 2678: 2674: 2668: 2643: 2639: 2633: 2613: 2601:. Retrieved 2583:10.17226/736 2573: 2566: 2554:. Retrieved 2540: 2515: 2511: 2504: 2479: 2475: 2469: 2436: 2432: 2425: 2413:. Retrieved 2404: 2395: 2365:(4): 811–8. 2362: 2358: 2352: 2330:(1): 36–46. 2327: 2323: 2317: 2290: 2286: 2276: 2264:. Retrieved 2231: 2227: 2217: 2205:. Retrieved 2164: 2160: 2150: 2125: 2119: 2113: 2105:the original 2094: 2069: 2065: 2054: 2029: 2025: 2019: 1986: 1982: 1976: 1965: 1954: 1932:(1): 24–58. 1929: 1925: 1919: 1907:. Retrieved 1898: 1889: 1872: 1866: 1832: 1828: 1822: 1789:. Retrieved 1774: 1765: 1756: 1744:. 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Index

Surface-Active Agent

Schematic
micelle
emulsion
chemical compounds
surface tension
liquids
gas
solid
blend
detergents and cleaning agents
emulsifiers
wetting
foaming agents
antistatic
dispersants
horse chestnuts
soap nuts
petroleum products
biomass
hydrophilic
hydrophobic
hydrocarbon
Fluorosurfactants
fluorocarbon
Siloxane surfactants
siloxane
polar
polyethylene oxide

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