surface-active


Also found in: Dictionary, Thesaurus.
Related to surface-active: nonionic surfactant

sur·face-ac·tive

(sŭr'făs-ak'tiv),
Indicating the property of certain agents of altering the physicochemical nature of surfaces and interfaces, bringing about lowering of interfacial tension; they usually possess both lipophilic and hydrophilic groups.
See also: surfactant.
Farlex Partner Medical Dictionary © Farlex 2012

sur·face-ac·tive

(sŭr'făs-ak'tiv)
Indicating the property of certain agents of altering the physicochemical nature of surfaces and interfaces, bringing about lowering of interfacial tension; they usually possess both lipophilic and hydrophilic groups.
See also: surfactant
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Mentioned in ?
References in periodicals archive ?
A study of elastic features of sea surface-active film.
Statistical characteristics of coefficients of a cubic approximation of isotherms of surface active substance films/Pindaktiivsete ainete isotermide lahendamine kuupfunktsiooniga
First, ester of cholesterol behaves as surface-active substance.
Effectiveness of twisted nematic liquid crystals as water based cutting fluid additive and tap lubricant/Cholesteroliniu skystuju kristalu kaip tepimo ir ausinimo emulsijos priedo bei sriegiklio tepalo efektyvumas
In this study the microwave-assisted transesterification between CMC and the triacyl glycerides of rapeseed oil was investigated and the chemical, surface-active and associative properties of the obtained water-soluble amphophilic CMC derivatives were characterized.
Surface-active and associative properties of ionicp polymeric surfactants based on carboxyrnethylcellulose
Lin et al., [20] reported that the surface-active compound from B.
Characterization of biosurfactant produced by bacterial isolates from engine oil contaminated soil
Substances which decrease interfacial tension are called surface-active substances.
The influence of crude oil products on RC structure destruction/Neapdirbtos naftos produktu itaka gelzbetonio strukturos suardymui
Because a detergent is referred to as a surface-active agent, as the control solutions we used a surface-active substance (ethanol), a surface-inaetive sub stance (NaCl), and distilled water (DW).
Upside-down gliding of Lymnaea
According to the received activity series built up from the derived values on surface activities, Bi leads the list of the most surface-active elements followed by Ca, Sr, Sn, Sb, Cd, Mg, and so on.
Foundry technologies and materials for cast cutting tools
During spray-drying, surface-active components interact with the droplet surface, and coat the powder surface according to their adsorption efficiency.
Executives ... FYI
Most dithiophosphates are surface-active liquid substances.
Dithiophosphates
The role of surface-active agents, solvents, and resin chemistry on the adhesion/cohesion will be illustrated.
SURFEX 2006, Radcure Conference to be held in June at GMex Centre in Manchester, UK: Dr. Rose Ryntz to host technical workshop
For the more surface-active agents, large deviations between the surface tension-bubble life time isotherms are observed, which is an indicator that the frothing agents accumulated in the foam.
Role of frothers in bubble generation and coalescence in a mechanical flotation cell
The S-5 surfactant mixture represents a balance of anionic and nonionic surfactants; removing the two more surface-active components makes the S-3 surfactant combination a nonionic package only.
Waterborne latex coatings of color: I. Component influences on viscosity decreases

Medical browser ?
Full browser ?