10 x 90 mm plates

//10 x 90 mm plates
  • Phage Agar is a non-selective medium suitable for the bacteriophage typing of Escherichia coli O157 isolates using the multipoint inoculation technique.
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  • This is a selective differential medium for the isolation of Listeria monocytogenes from food, clinical and environmental specimens.
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  • Bile Aesculin Agar Bile Aesculin Medium is generally used for the differentiation and presumptive identification of Group D streptococci (enterococci). Enterococci hydrolyse aesculin forming, amongst other products, aesculetin which in turn combines with Ferric ammonium citrate producing a dark brown or black complex. The presence of Bile salts in the medium inhibits gram positive organisms other than enterococci. The medium can also be used for the presumptive identification of certain organisms within the Enterobacteriaceae group such as Klebsiella spp., Enterobacter spp., etc.
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  • This is a very nutritious general-purpose medium based on Columbia Agar Base enriched with 5% Horse Blood and β-Nicotinamide Adenine Dinucleotide (NAD). It is suitable for the isolation of most organisms, including Haemophilus influenzae, as well as many fastidious anaerobes of clinical significance.
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  • Bacillius cereus Selective Agar (PEMBA) This is a medium for the selective isolation and enumeration of Bacillus cereus in food samples. It is said to be particularly suitable for the detection of small numbers of Bacillus cereus particularly in the presence of other contaminating organisms. The medium is made selective by the inclusion of Polymixin and Sodium Pyruvate is also present which is said to improve Egg Yolk precipitation and enhance sporulation. As Bacillus cereus is Mannitol Negative the colonies are bluish in colour, due to the presence of the Bromothymol Blue Indicator, with a surrounding precipitate of the same colour due to Lecithinase production (from the Egg Yolk). NB:  It should be noted that some Proteus spp. and gram positive cocci may grow on this medium.
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  • Brilliant Green Agar This medium is intended for use in the isolation of Salmonellae other than Salmonella typhi. Although it can be used as a primary isolation medium it is not recommended for this purpose and is generally used for subculture from selective enrichment media. It should be noted that the medium is highly selective and therefore not suited to the isolation of Salmonella from samples where the numbers may be low. NB:  It is not recommended that this medium be used for the isolation of Salmonella typhi and Shigella spp.
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  • This is a selective medium for the isolation of Legionella spp used primarily in clinical and environmental laboratories. The base agar contains Yeast Extract as a source of protein, Charcoal to neutralise growth-inhibiting substances and is supplemented with Ferric Pyrophosphate as a source of iron, L-Cysteine hydrochloride and α-ketoglutarate to form amino acid and chelate respectively. ACES buffer and Potassium hydroxide are incorporated to maintain the optimal pH for growth. The medium is made selective by the addition of Cefamandole and Polymixin to inhibit most gram positive and gram negative organisms and Cyclohexamide is also included to inhibit yeasts and fungi.
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  • CLED Agar Mackey and Sandy’s formulation this medium is popular for Urine Culture in the clinical laboratory. The lack of electrolytes inhibits the spreading of Proteus spp. and Bromothymol Blue indicator allows easy differentiation of Lactose and Non-Lactose fermenting organisms. Cystine is also present to benefit those organisms that have a particular Cystine requirement. Streptococcus pyogenes and many other fastidious organisms that do not require the presence of blood can grow on this medium.
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