gel


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gel

 [jel]
1. a colloid in which the solid disperse phase forms a network in combination with that of the fluid continuous phase, resulting in a viscous semirigid sol.
2. to form such a compound or any similar semi-solid material.

gel

(jel),
1. A jelly, or the solid or semisolid phase of a colloidal solution. Synonym(s): gelatum
2. To form a gel or jelly; to convert a sol into a gel.
[Mod. L. gelatum]

gel

(jel)
1. a colloid in which the solid disperse phase forms a network in combination with the fluid continuous phase, resulting in a viscous semirigid sol.
2. to form such a compound or any similar semi-solid material.

aluminum hydroxide gel  a suspension of aluminum hydroxide and hydrated oxide used as a gastric antacid, especially in the treatment of peptic ulcer, and in the treatment of phosphate nephrolithiasis.
aluminum phosphate gel  an aqueous suspension of aluminum phosphate, used as an antacid and to reduce excretion of phosphates in the feces.
basic aluminum carbonate gel  an aluminum hydroxide–aluminum carbonate gel, used as an antacid, for treatment of hyperphosphatemia in renal insufficiency, and to prevent phosphate urinary calculi.
dried aluminum hydroxide gel  an amorphous form of aluminum hydroxide prepared by drying aluminum hydroxide gel at low temperature; used as an antacid.
sodium fluoride and phosphoric acid gel  a gel containing sodium fluoride, hydrofluoric acid, and phosphoric acid; applied topically to the teeth as a dental caries prophylactic.

gel

[jel]
Etymology: L, gelare, to congeal
a colloid that is firm although it contains a large amount of liquid, used in many medicines as a demulcent, a vehicle for other drugs, an antacid, or an astringent, depending on the drug from which it is derived. Also called jelly.

gel

(jel)
1. A jelly, or the solid or semisolid phase of a colloidal solution.
2. To form a gel or jelly; to convert a solution into a gel.
[Mod. L. gelatum]

gel

A largely liquid colloid, retained in a semisolid state by molecular chains, usually cross-linked.

gel

a semi-rigid COLLOID as distinct from the more liquid SOL.

gel

semisolid phase of a colloidal solution; see sol

gel

(jel)
1. A jelly, or the solid or semisolid phase of a colloidal solution.
2. To form a gel or jelly; to convert a sol into a gel.
[Mod. L. gelatum]

gel (jel),

n a colloid in solid form, jellylike in character. Hydrocolloid impression materials are examples of gels.
gel, brush-on, fluoride,
n a gelatinous preparation used to promote remineralization of teeth and discourage further demineralization, intended to augment daily brushing and flossing. Formulas contain either 1.1% sodium fluoride or 0.4% stannous fluoride in a glycerin base.
gel strength,
gel time,

gel

a colloid that is firm in consistency, although containing much liquid; a colloid in a gelatinous form.

coupling gel
gel diffusion technique
References in periodicals archive ?
17 Recent studies indicated attempts to manufacture gel dosimeters to simulate lung tissues either by producing foam of gel or by introducing polystyrene beads into gel mixture.
Rodriguez said research showed Latinos tend to share shampoo, gels and other products among family members.
Discolored gels are caused by overheating or burning.
Like most sports bars, all gels include long-chain carbohydrate or glucose polymers (maltodextrin) and simple sugars (fructose or dextrose).
The zinc nasal gel had a significant effect in shortening their duration (figure 1).
When the gel is backlit with fluorescent light, it glows with an intensity nearly equal to that of neon.
An ASTM procedure has been proposed for automatic gel detection, but certain issues are still unresolved--such as how to report results, and what size gels to count.
Developed by a team of researchers in Japan, the gel absorbs water when it encounters a high concentration of glucose, a sugar found in the blood.
shows that the company's Dynamar fluoropolymer processing additives (PPM) can significantly reduce gel formation during blown-film extrusion of metallocene polyolefins.
One of the latest prospects is nanoporous silica, a whisper-light gel that's an exceptionally good electrical insulator.
marketing rights to CRINONE([R]) progesterone gel, we are now able to address both of our key infertility audiences, the reproductive endocrinologists and the obstetricians and gynecologists, with the only progestin FDA-approved for use in infertility and for use during the first trimester of pregnancy.
The report gives conclusions of Phase I of its baseline study of factors affecting styrene emissions from hand lay-up, gel coating, and spray-up.