D Nase Test Agar w/ Methyl green
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Catalog number
M1419-1X500G
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Price
Please ask
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Size
1X500G
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Description
D Nase Test Agar w/ Methyl green is used to detect deoxyribonuclease activity of bacteria and fungi, and particulary to identify pathogenic Staphylococci.
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Alternative Name
Deoxyribonuclease activity Test Agar with Methyl Green
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Type
Dehydrated Culture Media
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Origin
Animal
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Classification
Bacterial/Fungal
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Composition g L
Tryptose 20.000 Deoxyribonucleic acid (DNA) 2.000 Sodium chloride 5.000 Methyl green 0.050 Agar 15.000 Final pH ( at 25°C) 7.3±0.2
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Quantity required per litre
42,05 g
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Appearance
Light yellow to greeenish yellow homogeneous free flowing powder
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Colour and Clarity of prepared medium
Green coloured, clear to slightly opalescent gel forms in Petri plates
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Cultural response
Cultural characteristics observed after an incubation at 35-37°C for 18-24 hours
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Storage
Store below 30°C in tightly closed container and the prepared medium at 2-8°C
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Shelf Life
Use before expiry date on the label.
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Additional description
A methyl group is an alkyl derived from methane, containing one carbon atom bonded to three hydrogen atoms — CH3. In formulas, the group is often abbreviated Me. Such hydrocarbon groups occur in many organic compounds. It is a very stable group in most molecules. While the methyl group is usually part of a larger molecule, it can be found on its own in any of three forms anion, cation or radical. The anion has eight valence electrons, the radical seven and the cation six. All three forms are highly reactive and rarely observed,
MeSH Data
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Name
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Concept
Scope note:
Electrophoresis in which agar or agarose gel is used as the diffusion medium.
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Tree numbers
- E05.196.401.153
- E05.301.300.100
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Qualifiers
ethics, trends, veterinary, history, classification, economics, instrumentation, methods, standards, statistics & numerical data
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