colloidal particles

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• colloidal particles — colloidal particles, the fine particles which the ultramicroscope shows to be present in a solution containing a colloid: »The colloidal particles as they are known are too small to be trapped by sieves for recovery (Science News Letter) …   Useful english dictionary

• Colloidal crystal — A colloidal crystal is an ordered array of colloid particles, analogous to a standard crystal whose repeating subunits are atoms or molecules.[1] A natural example of this phenomenon can be found in the gem opal, where spheres of silica assume a… …   Wikipedia

• Colloidal silica — Colloidal silicas are suspensions of fine amorphous, nonporous, and typically spherical silica particles in a liquid phase. Contents 1 Properties 2 Manufacture 3 Applications 4 See also …   Wikipedia

• Colloidal silver — is a liquid suspension of microscopic particles of silver. A colloid is technically defined as particles which remain suspended without forming an ionic, or dissolved solution. The broader commercial definition of colloidal silver includes… …   Wikipedia

• Colloidal particle — is a small amount of matter having size typical for colloids and with a clear phase boundary (phase colloids). A group of such particles (aggregate, agglomerate) or being a macromolecule (e.g. solution of polymer molecules is a molecular colloid) …   Wikipedia

• Colloidal gold — Part of a series of articles on Nanomaterials Fullerenes …   Wikipedia

• colloidal gold-bound tumor necrosis factor — A substance being studied in the treatment of some types of cancer. Colloidal gold bound tumor necrosis factor is made in the laboratory by binding a cancer killing protein called tumor necrosis factor (TNF) to the surface of very tiny particles… …   English dictionary of cancer terms

• colloidal — colloid ► NOUN 1) a homogeneous substance consisting of submicroscopic particles of one substance dispersed in another, as in an emulsion or gel. 2) a gelatinous substance. DERIVATIVES colloidal adjective. ORIGIN from Greek kolla glue …   English terms dictionary

• colloidal gold — a purplish suspension of minute particles of metallic gold, used in medicine since alchemical times. The radioactive form, made by exposure to neutrons, has been used by intracavitary or interstitial injection in the treatment of certain types of …   Medical dictionary

• colloidal — adj. resembling a colloid (sticky substance composed of particles that do not dissolve in other substances) …   English contemporary dictionary

• colloidal state — /kəˌlɔɪdəl ˈsteɪt/ (say kuh.loyduhl stayt) noun a system of particles in a dispersion medium in which the particle diameters are between 10 7 m and 10 9 m, i.e. between a true molecular solution and a coarse suspension …