Skip to Content
Merck
All Photos(1)

Key Documents

D2560

Millipore

DNase test agar with toluidine blue

suitable for microbiology, NutriSelect® Basic

Sign Into View Organizational & Contract Pricing


About This Item

UNSPSC Code:
41171606
NACRES:
NA.85

sterility

non-sterile

Quality Level

product line

BioChemika

form

powder

shelf life

limited shelf life, expiry date on the label

manufacturer/tradename

NutriSelect® Basic

technique(s)

microbe id | specific enzyme detection: suitable
microbiological culture: suitable

final pH

7.3±0.2 (25 °C)

application(s)

food and beverages
food and beverages

microbiology

suitability

nonselective and differential for Serratia spp.
nonselective and differential for Staphylococcus spp.
nonselective and differential for Streptococcus spp.
nonselective and differential for bacteria (General Media)
nonselective and differential for molds (General Media)
nonselective and differential for yeasts (General Media)

Application

Recommended for the detection of deoxyribonuclease activity of bacteria and fungi with the indicator toluidine blue.

Components

Ingredients (g/L)
Tryptose, 20.00
Deoxyribonucleic acid (DNA), 2.00
Sodium chloride, 5.00
Toluidine blue, 0.10
Agar, 15.00

Preparation Note

Suspend 42.1 g of DNase Test Agar with Toluidine Blue in 1000 ml of distilled water. Heat with frequent agitation to dissolve the medium completely. Sterilize by autoclaving at 12 to 15 lbs. pressure (118°C to 121°C) for 15 minutes. Cool to 45°C and pour into sterile petri plates.

Footnote

We offer two media types: the superior granulated GranuCult® and the cost-efficient powdered NutriSelect® culture media, depending on your needs.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.

Legal Information

GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Articles

Chromogenic media enable the selective detection of S. aureus, which produce bluish-green colonies that are clearly differentiated from other species.

Chromogenic media enable the selective detection of S. aureus, which produce bluish-green colonies that are clearly differentiated from other species.

Chromogenic media enable the selective detection of S. aureus, which produce bluish-green colonies that are clearly differentiated from other species.

Chromogenic media enable the selective detection of S. aureus, which produce bluish-green colonies that are clearly differentiated from other species.

See All

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service