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05686 Millipore

DMACA Indole Disks

for microbiology

Synonym: Indol Detection Disks

  •  NACRES NA.85

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Properties

Related Categories Discs, Strips and Cards, Identification Tests & Reagents, Indicator Organisms, Microbiology
Quality Level   100
grade   for microbiology
shelf life   limited shelf life, expiry date on the label
application(s)   microbiology: suitable (microbial identification)
Featured Industry   Agriculture
Environmental
Food and Beverages
storage temp.   2-8°C
suitability   Escherichia coli
  coliforms

Description

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

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis (COA)

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Protocols & Articles

Articles

Differentiation of Escherichia coli from coliforms

In August 2008, the discovery of E. coli-contaminated beef in the United States prompted a nationwide recall of beef. The source turned out to be one supplier that had a history of contamination of i...
Jvo Siegrist
AnalytiX Volume 8 Article 5
Keywords: Decarboxylations, Fermentation, Genetic, Indicators, Microbiology, Reductions

Identification of Microorganisms Based on Color

For microbiologists the most fundamental stain was developed in 1884 by the Danish bacteriologist Hans Christian Gram. The Gram Stain allows the determination of morphology, dividing bacteria into tw...
Jvo Siegrist
Microbiology Focus Edition 1.4, Product Manager Microbiology.... ivo.siegrist@sial.com
Keywords: Antibiotics, Enzyme activity, Fermentation, Gram stain, Help, Indicators, Reductions

Microbiology Introduction

An initial aim of all microbiologists is the reproducible growth of their microbial cultures, no matter whether the microorganisms are of natural origin or have been genetically engineered by man. Re...
Keywords: Absorption, Aerobic, Anaerobic, Antibiotics, Antimicrobials, Buffers, Culture media, Diffusion, Environmental, Filtration, Genetic, Growth factors, Metabolism, Phase transitions, Precipitation, Reductions, Respiration, Sample preparations, Vitamins

Pseudomonas Media and Tests

Pseudomonas are motile (one or more polar flagella), rod shaped and aerobe Gram-negative bacteria. They are found almost everywhere, in soil, water, plants and animals. In most cases it is not pathog...
Jvo Siegrist, Product Manager Microbiology, ivo.siegrist@sial.com
Analytix Volume 2007 Article 5
Keywords: Anaerobic, Antifungals, Biochemistry, Cosmetics, Diagnostic, Environmental, Fermentation, Glycolysis, Metabolism, Metabolites, Microbiology, Pentose phosphate pathway, Pharmaceutical, Respiratory

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