| HPLC | high-performance liquid chromatography; high-power liquid chromatography; high-pressure liquid chrom... |
|---|---|
| LLC | Lewis lung carcinoma; liquid-liquid chromatography; long-leg cast; lymphocytic leukemia |
| LSC | late systolic click; left side colon cancer; left subclavian; lichen simplex chronicus; liquid scint... |
| HC | hair cell; hairy cell; handicapped; head circumference; head compression; health care; healthy contr... |
| LHI | lipid hydrocarbon inclusion |
| LLE | Liquid-liquid extraction |
|---|---|
| AHH | ARyl hydrocarbon hydroxylase |
| AH | aromatic hydrocarbon |
| Ah | Aryl hydrocarbon |
| AHR | Aryl hydrocarbon receptor |
marking medium
| liquid hydrocarbon | One of a very large group of chemical compounds composed only of carbon and hydrogen. The largest source of hydrocarbons is petroleum. (05 Dec 1998) |
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| liquid-liquid chromatography | Chromatography in which both the moving phase and the stationary (or reverse-moving) phase are liquids, as in countercurrent distribution. (05 Mar 2000) |
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| aryl hydrocarbon hydroxylases | <enzyme> A group of cytochrome p-450 (haem-thiolate) proteins which utilise reduced flavin or flavoprotein as one donor and incorporate one atom of oxygen. They act on many aromatic compounds. They are a component part of the mixed-function oxidase system and are important for the oxidation of many drugs and toxins such as phenobarbital, carcinogens, and insecticide. These enzymes are considered to be an aspect of EC 1.14.14.1. Registry number: EC 1.14.14.- (12 Dec 1998) |
| receptors, aryl hydrocarbon | Cytoplasmic proteins that bind certain aryl hydrocarbons, translocate to the nucleus, and activate transcription of particular DNA segments. Ah receptors are identified by their high-affinity binding to several carcinogenic or teratogenic environmental chemicals including polycyclic aromatic hydrocarbons found in cigarette smoke and smog, heterocyclic amines found in cooked foods, and halogenated hydrocarbons including dioxins and polychlorinated biphenyls. No endogenous ligand has been identified, but an unknown natural messenger with a role in cell differentiation and development is suspected. (12 Dec 1998) |
| chlorinated hydrocarbon | A molecules which is almost entirely carbon and hydrogen, but has had at least one chlorine atom introduced to it that has replaced one of the hydrogen atoms. (09 Oct 1997) |
| saturated hydrocarbon | A hydrocarbon that contains the greatest possible number of hydrogen atoms, so that the molecule contains neither rings nor multiple bonds. (05 Mar 2000) |
| hydrocarbon | An organic molecule which consists only of carbon and hydrogen atoms, and no other elements. (09 Oct 1997) |
| Diels hydrocarbon | <biochemistry> A phenanthrene derivative obtained by the dehydrogenation of various steroids. (05 Mar 2000) |
| fluorinated hydrocarbon | A molecule which is almost entirely carbon and hydrogen, but has had at least one fluorine atom introduced to it that has replaced one of the hydrogen atoms. (09 Oct 1997) |
| gas-liquid chromatography | <technique> A chemistry lab technique, a type of column chromatography, used to separate the components of a mixed substance. The substance is held stationary by an inert solid coated with an inert liquid which is not likely to evaporate (i.e. Is nonvolatile), while a gas (called an eluant) flows past it bringing out the components one at a time. (09 Oct 1997) |
| chromatography, high pressure liquid | Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed. (12 Dec 1998) |
| chromatography, liquid | Chromatographic techniques in which the mobile phase is a liquid. (12 Dec 1998) |
| clear liquid diet | A diet, often used postoperatively, consisting usually of water, tea, coffee, gelatin preparations, and clear soups or broth. (05 Mar 2000) |
| Cotunnius' liquid | <anatomy> The fluid which surrounds the membranous labyrinth of the internal ear, and separates it from the walls of the chambers in which the labyrinth lies. Source: Websters Dictionary (01 Mar 1998) |
| heavy liquid petrolatum | <chemical> A mixture of liquid hydrocarbons obtained from petroleum. It is used as laxative, lubricant, ointment base, and emollient. Pharmacological action: cathartic, emollients, ointment bases. Chemical name: Hydrocarbon oils (12 Dec 1998) |
| high-performance liquid chromatography | <investigation> A lab technique, a type of column chromatography, which uses a combination of several separation techniques to separate substances at higher resolution. Extremely sharp peaks on the elution profile can be produced with high-performance liquid chromatography (HPLC). (09 Oct 1997) |
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