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Thermo Scientific™ Remel™ Spot Indole Reagent

Product Code. 10484203
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Quantity:
25 mL
Unit Size:
25mL
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10484203 25 mL 25mL
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Product Code. 10484203 Supplier Thermo Scientific™ Supplier No. R21245

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Description

Determine the ability of microorganisms to split indole from tryptophan molecule by spot test method with Spot Indole Reagent.

Determine the ability of an organism to split indole from the tryptophan molecule with Thermo Scientific™ Remel™ Spot Indole Reagent.In 1963, Vracko and Sherris used Spot Indole Reagent for the separation of Proteus species and Escherechia coli1. In 1969, Lowrance, Reich and Traub found ρ-dimethylaminocinnamaldehyde (DMACA) to be the most sensitive indole reagent which could detect 3 mcg of indole per milliliter of medium2.

Spot Indole Reagent is used to determine the ability of microorganisms to split indole from tryptophan molecule by spot test method. Tryptophanases are intracellular enzymes that mediate indole production by hydrolysing the amino acid, tryptophan. This indole combines with DMACA to form a blue-green compound. This is a condensation product formed by an acid splitting of the protein.Ready to use: Liquid reagent.Easy to interpret: Positive results (blue color) are easy to differentiate from negative results (pink color).Spot Indole Reagent contains 1% w/v ρ-dimethylaminocinnamaldehyde (CAS 6203-18-5) in hydrochloric acid (concentrated) (CAS 7647-01-0) and demineralized water (CAS 7732-18-5) supplied in 25 mL bottles.Not all products are available for sale in all territories. Please inquire.Remel™ and Oxoid™ products are now part of the Thermo Scientific brand.
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Specifications

Description Spot Indole Reagent
Quantity 25 mL
Form Liquid
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