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Merck
CN

05686

DMACA Indole Disks

suitable for microbiology

Synonym(s):

Indol Detection Disks

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About This Item

NACRES:
NA.85
UNSPSC Code:
41171621
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product line

BioChemika

shelf life

limited shelf life, expiry date on the label

technique(s)

microbe id | specific enzyme detection: suitable

application(s)

agriculture
environmental
food and beverages, microbiology

storage temp.

2-8°C

suitability

Escherichia coli, coliforms

Quality Level

General description

DMACA Indole disks are used for indole test to determine the ability of an organism to split tryptophan into indole and α-aminopropionic acid. The presence of indole can be detected by the addition of DMACA which results in a bluish-purple complex. With this method, it is possible to differentiate Escherichia coli from Klebsiella.

Packaging

Pack of 50 disks

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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Articles

For microbiologists the most fundamental stain was developed in 1884 by the Danish bacteriologist Hans Christian Gram.

There are many other methods of detection to indicate the presence of E. coli. Review common tests and biochemical reactions for this contaminant.

An article concerning the detection, identification, differentiation, and cultivation of Pseudomonas species.

对于微生物学家而言,最基础的染色方法是由丹麦细菌学家Hans Christian Gram在1884年开发的。

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