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alginate |
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alginate /al·gi·nate/ (al´jĭ-nāt) a salt of alginic acid; water-soluble alginates are useful as materials for dental impressions. alginate [al′ji·nāt] a salt of alginic acid, extracted from marine kelp. The calcium, sodium, and ammonium alginates have been used in foam, cloth, and gauze for absorbent surgical dressings. Soluble alginates, such as those of sodium, potassium, or magnesium, form a viscous sol that can be changed into a gel by a chemical reaction with compounds such as calcium sulfate; this makes them useful as materials for taking dental impressions. alginate (al´jināt), n a salt of alginic acid (e.g., sodium alginate), which, when mixed with water in accurate proportions, forms an irreversible hydrocolloid gel used for making impressions or molds of the denti-tion. See also hydrocolloid, irreversible. alginate a salt of alginic acid, a colloidal substance from brown seaweed; used, in the form of calcium, sodium or ammonium alginate, as foam, clot or gauze for absorbable surgical dressings. Also used as an irreversible hydrocolloid impression material in dentistry for making impressions of jaws in the preparation of orthodontic appliances. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Nasopharyngeal specimens were collected on a calcium alginate swab
attached to a flexible aluminum wire by one of two methods: either
transnasally with the assistance of a nasal speculum or transorally with
a curved swab slid behind and above the soft palate as described
elsewhere. For the caviar base: In small bowl, combine one-third of juice with
sodium alginate and mix well. Last year, he and
his colleagues began examining calcium alginate as a component of such a
system. |
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