colloidal silver

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colloidal silver

1. Any preparation of silver in which the particles of silver or silver proteinate are suspended in the solution rather than being dissolved in it.
2. A liquid in which silver particles are suspended. It is marketed as a dietary supplement, but the National Center for Complementary and Alternative Medicine has determined that this product has no safe or effective use.
See also: silver
References in periodicals archive ?
Live observations and Protargol staining revealed that four species in the genus Zoothamnium (two of them tentatively identified as Z.
Zoothamnium intermedium found as epibiont on Chesapeake Bay copepods is an example of obligate epibiont, since it failed to attach to glass surfaces in the laboratory (Utz, 2003) and to glass cover-slips in the field, as was demonstrated by live and Protargol staining observations of peritrichs attached to cover-slips sampled from nature.
Gross (1986), in a study characterizing species of Zoothamnium from the Patuxent River, a subestuary of the Chesapeake Bay using the morphological characters revealed by the Protargol staining technique, also found four species of this genus colonizing slides, but none of them with Z.