| aluminum ammonium sulfate | AlNH4(SO4)2;an astringent. (05 Mar 2000) |
|---|---|
| ammonium ferric sulfate | An astringent and styptic. Synonym: ammonium ferric sulfate, ferric alum, iron alum. (05 Mar 2000) |
| ammonium sulfate | <chemical> Sulfuric acid diammonium salt. It is used in fractionation of proteins. Chemical name: Sulfuric acid diammonium salt (12 Dec 1998) |
| ferric ammonium sulfate | An astringent and styptic. Synonym: ammonium ferric sulfate, ferric alum, iron alum. (05 Mar 2000) |
| cell fractionation | <technique> Strictly this should mean the separation of homogeneous sets from a heterogeneous population of cells (by a method such as flow cytometry). The term is more frequently used to mean subcellular fractionation i.e. The separation of different parts of the cell by differential centrifugation, to give nuclear, mitochondrial, microsomal and soluble fractions. (26 Mar 1998) |
| dose fractionation | Adminstration of the total dose of radiation (radiation dosage) in parts, at timed intervals. (12 Dec 1998) |
| fractionation | A term used to describe any method for separating and purifying biological molecules. See: cell fractionation. (18 Nov 1997) |
| ammonium | <chemistry> A compound radical, NH4, having the chemical relations of a strongly basic element like the alkali metals. See: Ammonia. Source: Websters Dictionary (01 Mar 1998) |
| ammonium benzoate | C6H5COONH4;a stimulant, diuretic, urinary antiseptic, and antirheumatic. (05 Mar 2000) |
| ammonium bromide | A sedative. (05 Mar 2000) |
| ammonium carbonate | A cardiac and respiratory stimulant and carminative expectorant. (05 Mar 2000) |
| ammonium chloride | <chemical> Ammonium chloride, (nh4)cl. A systemic acidifying agent that has been used as a diuretic and an expectorant. Chemical name: Ammonium chloride ((NH4)Cl) (12 Dec 1998) |
| ammonium compounds | Inorganic and organic compounds that contain the hypothetical radical nh4. (12 Dec 1998) |
| ammonium ichthosulfonate | Sulfonated bitumen; ammonium sulfoichthyolate;a viscous fluid, reddish brown to brownish black in colour, with a strong, characteristic, empyreumatic odour, soluble in water and in glycerin; obtained by the destructive distillation of certain bituminous schists, sulfonating the distillate and neutralizing the product with ammonia. It is used in skin disorders; its beneficial effect is due to its mild irritant, stimulant, antiseptic, and analgesic action; has been used in 10 and 20 percent concentration in an ointment ("drawing salve"). Synonym: ammonium ichthosulfonate. (05 Mar 2000) |
| ammonium iodide | An expectorant. (05 Mar 2000) |