| SCPNT | Southern California Postrotary Nystagmus Test |
|---|---|
| SCSIT | Southern California Sensory Integration Test |
| STSA | Southern Thoracic Surgical Association |
| ABCDE | airway, breathing, circulation, disability, exposure [in trauma patients]; botulism toxin pentavalen... |
| ALARA | as low as reasonably achievable [radiation exposure] |
| ENSO | El Nino Southern Oscillation |
|---|---|
| SB | Southern Blot |
| SBMV | Southern bean mosaic virus |
| SBH | Southern blot hybridisation |
| SB | Southern blotting |
| africa, southern | The geographical area of africa comprising angola, botswana, lesotho, malawi, mozambique, namibia, south africa, swaziland, zambia, and zimbabwe. It includes what was formerly called south-west africa or german southwest africa but it was terminated in 1966 by a united nations resolution. (12 Dec 1998) |
|---|---|
| blot, southern | A common test for checking for a match between DNA molecules. DNA fragments are separated by agarose gel electrophoresis, transferred (blotted) onto membrane filters, and hybridised with complementary radiolabelled probes. The aim is to detect specific base sequenceswith the probes. Lest all of this sound esoteric, note that in the television series The X Files a Southern blot was done (in this case, to learn if some alien virus genome had been integrated into a person's genome). The Southern blot is named after its inventor, the British biologist M.E. Southern. There is also a Northern blot and a Western blot. (12 Dec 1998) |
| blotting, southern | A method (first developed by e.m. Southern) for detection of DNA that has been electrophoretically separated and immobilised by blotting on nitrocellulose or other type of paper or nylon membrane. (12 Dec 1998) |
| Southern | M.E., 20th century British biologist. See: Southern blot analysis. (05 Mar 2000) |
| southern blot | A technique used for searching for a specific DNA fragment. The process is as follows: 1. separate DNA fragments by gel electrophoresis 2. Change pH of gel to basic, thus allowing disruption of H-bonds 3. blot gel with nitrocellulose paper 4. Heat paper so as to fix DNA fragments 5. probe with labelled messenger RNA or cDNA 6. wash Complementary mRNA/cDNA fragments will have hybridised. (09 Oct 1997) |
| Southern blot analysis | A procedure to separate and identify DNA sequences; DNA fragments are separated by electrophoresis on an agarose gel, transferred (blotted) onto a nitrocellulose or nylon membrane, and hybridised with complementary (labelled) nucleic acid probes. (05 Mar 2000) |
| Southern blotting | <molecular biology, procedure> General term for the transfer of protein, RNA or DNA molecules from a relatively thick acrylamide or agarose gel or to a paper like membrane (usually nylon or nitrocellulose) by capilliarity or an electric field, preserving the spatial arrangment. Once on the membrane, the molecules are immobilised, typically by baking or by ultra violet irradiation and can then be detected at high sensitivity by hybridisation (in the case of DNA & RNA) or antibody labelling (in the case of protein). RNA blots are called Northern blots, DNA blots, Southern, protein blots, Western. (18 Nov 1997) |
| maternal exposure | Exposure of the female parent, human or animal, to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals that may affect offspring. It includes pre-conception maternal exposure. (12 Dec 1998) |
| maximum permissible exposure level | The highest level of exposure to a substance, usually noxious, in the environment or during diagnostic and therapeutic procedures, that a body can tolerate without injury. (12 Dec 1998) |
| paternal exposure | Exposure of the male parent, human or animal, to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals that may affect offspring. (12 Dec 1998) |
| permissible exposure limit | An occupational health standard to safeguard workers against dangerous contaminants in the workplace. (05 Mar 2000) |
| prenatal exposure delayed effects | Delayed effects on offspring of maternal or foetal prenatal exposure to drugs, radiation and other physical agents, manipulation, nutrition, stress, etc. (12 Dec 1998) |
| short-term exposure limit | The maximum concentration of a chemical to which workers may be exposed continuously for up to 15 minutes without danger to health or work efficiency and safety. (05 Mar 2000) |
| dental pulp exposure | The result of pathological changes in the hard tissue of a tooth caused by carious lesions, mechanical factors, or trauma, which render the pulp susceptible to bacterial invasion from the external environment. (12 Dec 1998) |
| inhalation exposure | The exposure to potentially harmful chemical, physical, or biological agents by inhaling them. (12 Dec 1998) |
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