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Thermo Scientific™ Amies Transport Medium (Dehydrated)
Beskrivning
Simplify collection, transport, and maintenance of fastidious, pathogenic organisms with this transport medium.
Simplify collection, transport, and maintenance of fastidious, pathogenic organisms with Thermo Scientific™ Oxoid™ Amies Transport Medium (Dehydrated). Amies Transport Medium is a modification of Stuart's Transport Medium1,2,3,4 with replacement of glycerophosphate with an inorganic phosphate buffer and addition of charcoal to the medium.
The metabolism of glycerophosphate by coliform organisms and other Gram-negative rods in Stuart's original formulation resulted in the proliferation of these organisms from wound swabs and fecal specimens.
Preserve Bacteroides ureolyticus other fastidious organisms during their transport from clinic to laboratory using Amies Transport Medium5.
A concentration of NaCl at 0.3% w/v was discovered by Amies to be optimal for the preservation of Neisseria gonorrhoeae.
Calcium and magnesium salts were added in the belief that these ions were of importance in controlling the permeability of the bacterial cells and so contributing to their survival.
Stuart3 showed that the survival of Neisseria gonorrhoeae was increased using charcoal swabs, but because they were black and dusty, they proved unpopular with the patients. Amies1 overcame this problem by incorporating charcoal in this medium.
The agar concentration was increased from that proposed by Stuart because the presence of charcoal particles interferes with the gelling properties of the agar.
Amies removed the methylene blue indicator from Stuart’s formulation, considering it superfluous because of the presence of charcoal in the medium. Care should be taken to ensure that the prepared bottles of transport medium are not stored longer than 9 months from the date of preparation, or freshly steamed and the charcoal resuspended before use.
The value of these modifications was shown in two studies which tested the efficiency of various transport media5,6. Amies Transport Medium is recommended for the transport of specimens to be cultured for Bacteroides ureolyticus.7
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Specifikationer
Specifikationer
| Beskrivning | Thermo Scientific Oxoid Amies Transport Medium |
| Form | Powder |
| Produkttyp | Dehydrated Culture Media |
| Kvantitet | 250 g |
| Avkastning | For 12.5L medium |
For Laboratory Use Only
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