micelle

micelle
micelle [mīsel′ə, misel′ə]
n.
pl. micellae [mī sel′ē, mi sel′ēmī sel′, misel′]
n.
[ModL micella, dim. < L mica, a grain, crumb: see MICA]
1. Biol. a submicroscopic structural unit composed of a group of molecules, as in living protoplasm, starch grains, etc.
2. Chem. a structural unit, as
a) a colloidal ion composed of an oriented arrangement of molecules
b) an aggregate of polymerized molecules joined together: Also micella [mīsel′ə, misel′ə]
n.
micellae [mī sel′ē, mi sel′ē]
micellar
adj.

English World dictionary. . 2014.

Игры ⚽ Поможем решить контрольную работу

Look at other dictionaries:

  • micelle — [ misɛl ] n. f. • v. 1900; du lat. mica « parcelle » ♦ Chim., phys. Particule formée d un agrégat de molécules en solution colloïdale. ⇒ colloïde. Adj. MICELLAIRE , 1922 . ⊗ HOM. Missel. ● micelle nom féminin ( …   Encyclopédie Universelle

  • Micelle — Cross section view of the structures that can be formed by phospholipids in aqueous solutions …   Wikipedia

  • Micelle — Schéma d une micelle directe formée par des phospholipides en solution aqueuse …   Wikipédia en Français

  • micelle — noun /maɪˈsɛl,məˈsɛl/ a colloidal aggregate, in a simple geometric form, of a specific number of amphipathic molecules which forms at a well defined concentration, called the critical micelle concentration …   Wiktionary

  • micelle — micelė statusas T sritis chemija apibrėžtis Elektriškai neutrali koloidinio tirpalo dalelė. atitikmenys: angl. micelle rus. мицелла …   Chemijos terminų aiškinamasis žodynas

  • micelle — noun Etymology: New Latin micella, from Latin mica Date: 1881 a unit of structure built up from polymeric molecules or ions: as a. an ordered region in a fiber (as of cellulose or rayon) b. a molecular aggregate that constitutes a colloidal… …   New Collegiate Dictionary

  • Micelle — Mizelle in Wasserlösung Mizellen (von lat. mica = Klümpchen, kleiner Bissen), auch Assoziationskolloide genannt, sind Aggregate (Assoziate) aus amphiphilen Molekülen bzw. grenzflächenaktiven Substanzen, die sich in einem Dispersionsmedium (meist… …   Deutsch Wikipedia

  • micelle — n.; pl. ae [L. micarius, crumbs] A supermolecular colloid particle, often an orderly packet of chain molecules in parallel arrangement …   Dictionary of invertebrate zoology

  • micelle — One of the possible ways in which amphipathic molecules may be arranged; a spherical structure in which all the hydrophobic portions of the molecules are inwardly directed, leaving the hydrophilic portions in contact with the surrounding aqueous… …   Dictionary of molecular biology

  • micelle — micellar, adj. micellarly, adv. /mi sel /, n. Physical Chem. an electrically charged particle formed by an aggregate of molecules and occurring in certain colloidal electrolyte solutions, as those of soaps and detergents. [1880 85; < NL micella,… …   Universalium

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”