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solubility |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.07 sec. |
solubilityDegree to which a substance dissolves in a solvent to make a solution (usually expressed as grams of solute per litre of solvent). Solubility of one fluid (liquid or gas) in another may be complete (totally miscible; e.g., methanol and water) or partial (oil and water dissolve only slightly). In general, “like dissolves like” (e.g., aromatic hydrocarbons dissolve in each other but not in water). Some separation methods (absorption, extraction) rely on differences in solubility, expressed as the distribution coefficient (ratio of a material's solubilities in two solvents). Generally, solubilities of solids in liquids increase with temperature and those of gases decrease with temperature and increase with pressure. A solution in which no more solute can be dissolved at a given temperature and pressure is said to be saturated (see saturation). See also Joel Hildebrand. |
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The technology NDT developed this time together with the Moores Cancer Center of UCSD, takes advantage of a biodegradable and biocompatible polymer material which, when linked to certain therapeutic agents, can greatly enhance the drug's solubility and act as a "carrier" with promising potential to deliver such agents to the target tissue with high efficiency. During solidification, hydrogen bubbles form due to the relative solubility of nitrogen in austentite, which causes the gas to concentrate in the liquid phase. Compared with conventional accelerators, they are said to offer advantages such as lower reversion tendency of natural rubber, heat stability of the vulcanizates or high solubility of rubbers in varying polarity. |
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