Clinical Microbiology

CHROMagar™ ESBL

For overnight detection of Gram-negative bacteria producing Extended Spectrum Beta-Lactamase.

Typical Appearance of microrganisms

E.coli ESBL → Dark pink to reddish
Sensitive Gram negative strains → inhibited
Klebsiella, Enterobacter, Citrobacter → metallic blue
Proteus → brown halo

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CHROMagar™ StrepB

For isolation and differentiation of Streptococcus agalactiae (GBS)

Typical Appearance of microrganisms

Streptococcus B –› Mauve
Other Microorganism
→ blue, colourless or inhibited

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CHROMagar™ Staph aureus

For isolation and direct differentiation
of Staphylococcus aureus
in clinical and industrial samples.

Typical Appearance of microrganisms

Staphylococcus aureus → pink to mauve
Other bacteria → Colourless, blue or inhibited

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CHROMagar™ O157

For the selective isolation and differentiation
of E.coli O157 in food/clinical samples.

Typical Appearance of microrganisms

E.coli O157 → mauve
Other bacteria → steel blue, colourless or inhibited

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CHROMagar™ KPC

For Detection of gram-negative bacteria
with a reduced susceptibility
to most of the carbapenem agents.

Typical Appearance of microrganisms

E.coli CarbapenemR → Dark pink to reddish
Klebsiella, Enterobacter, Citrobacter CarbapenemR
→ Metallic blue
Pseudomonas CarbapenemR → Cream, translucent
Other bacteria → Usually inhibited

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CHROMagar™ CTX

For the detection of CTX-M-ESBL type
producing gram negative bacteriae.

Typical Appearance of microrganisms

E.coli CTX-M → Blue
Other Enterobacteriae CTX-M → Mauve
Sensitive Gram negative strains → Inhibited
Gram positive strains → Inhibited

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