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Merck

70195

Millipore

Vogel-Johnson Agar

NutriSelect® Plus, suitable for microbiology

Sinónimos:

VJ Agar

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About This Item

UNSPSC Code:
41171606
NACRES:
NA.74

sterility

non-sterile

Quality Level

form

powder

shelf life

limited shelf life, expiry date on the label

composition

agar, 16.0 g/L
dipotassium hydrogen phosphate, 5.0 g/L
L-glycine, 10.0 g/L
lithium chloride, 5.0 g/L
D-mannitol, 10.0 g/L
peptone (from casein), 10.0 g/L
phenol red, 0.025 g/L
yeast extract, 5.0 g/L

manufacturer/tradename

NutriSelect® Plus

technique(s)

microbiological culture: suitable

final pH

7.1±0.2 (25 °C)

application(s)

cleaning products
clinical testing
cosmetics
environmental
food and beverages
personal care

microbiology

suitability

selective and differential for Staphylococcus spp.

Application

Used for the differentiation of S. aueus. Vogel and Johnson enhanced the fermentation reaction by increasing the mannitol concentration to 1 % (w/v).

Preparation Note

Suspend 61.0 g in 1 litre of distilled water and bring gently to the boil to dissolve completely. Sterilize by autoclaving at 121°C for 15 minutes. Cool to 50°C and add 20 ml of sterile 1% potassium tellurite (Cat. No. 17774). Do not heat the complete medium!

Other Notes

Screening media for detection of methicillin-resistant Staphylococcus aureus from non-sterile body sites

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

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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D J Flournoy et al.
Medical microbiology and immunology, 179(1), 25-30 (1990-01-01)
Four hundred and forty clinical isolates were tested on Baird-Parker and Vogel-Johnson agars with 6 micrograms/ml of oxacillin, to determine their growth characteristics on these potential screening media for methicillin-resistant Staphylococcus aureus (MRSA). While both media performed well individually, a

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

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