Clinical & Veterinary Pre Poured Petri Dishes

E&O manufacture and stock a comprehensive range of high quality standard and bespoke formulations of readytouse plated culture media in several different petridish sizes and media depths to accommodate all microbial growth requirements. Packaging formats comply with all industry sector regulations.

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  • 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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  • Bacillus Cereus (Mannitol Egg Yolk Polymixin - MYP) Agar Intended for the selective enumeration of Bacillus cereus in food samples the medium uses two reactions (Mannitol fermentation and Lecithinase production) to differentiate Bacillus cereus from other members of the species. As Bacillus cereus is Mannitol Negative the colonies are pink in colour due to the presence of Phenol Red Indicator. Lecithinase production (from the Egg Yolk) is indicated by a white precipitate around the colonies. Polymixin is added as the selective agent to inhibit coliforms. NB: It should be noted that some Proteus spp and gram positive cocci may grow on this medium.
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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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  • A basic general-purpose blood free medium, capable of supporting the growth of most micro-organisms, including many fastidious organisms that do not require blood.
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  • A basic general-purpose medium capable of supporting the growth of most micro-organisms, including many fastidious organisms that do not require blood, and suitable for use in all areas of bacteriology. NB: No blood is added to this medium. If a medium containing blood is required then consider Columbia Agar and Horse Blood (PP0120).
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  • A highly nutritious medium enriched with Horse Blood, where the blood has been “chocolated” by heating the medium to 60°C. Suitable for the isolation of most pathogens including the most fastidious and is particularly useful for the cultivation of Haemophilus spp. and Neisseria spp.
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  • Campylobacter Selective (Skirrow) Agar This is one of several selective media available for the isolation of Campylobacter spp in clinical, food and environmental laboratories. Based on Columbia Agar enriched with Lysed Horse Blood. Polymyxin B, Trimethoprim & Vancomycin are added as the selective agents. Sodium Thiosulphate, Pyruvic Acid and Ferrous Sulphate are also included to enhance the aerotolerance of Campylobacter spp. NB: This medium should be incubated at 42°C to optimise selectivity.
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  • A general purpose medium enriched with 5% Defibrinated Horse Blood, suitable for the isolation of most organisms including many fastidious anaerobes.
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  • Campylobacter Blood Free CCDA Agar One of several media formulations available for the selective isolation of Campylobacter spp., primarily C.jejuni and C.coli, which are the leading cause of enteric illness in the UK. Campylobacter spp. can cause mild to severe diarrhoea, usually self-limiting, but some specific serotypes can trigger acute post-infective conditions affecting the peripheral nervous system, such as Guillain-Barré Syndrome. Campylobacter Blood-Free Selective Medium (CCDA) was first described by Bolton. This medium was formulated to replace blood with a combination of charcoal, ferrous sulphate, and sodium pyruvate. Also, in order to improve selectivity, Cefoperazone replaced the Cephazolin utilised in the original formulation. Bolton recommended incubating inoculated plates at 37°C to improve isolation rates but incubation at 41.5°C is recommended for the isolation of the commonly encountered thermophilic species (C.jejuni & C.coli). Yeast and fungal contaminants can be suppressed with the addition of Amphotericin B. Campylobacter Blood-Free Selective Medium (CCDA) is recommended for food testing. Campylobacter Blood-Free Selective Medium with the addition of Yeast Extract and Cefoperazone is used in the Isolation of Campylobacter species from foodstuffs and swabs in the FDA/BAM Method. The product complies with the requirements of ISO 10272-1:2006.
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  • Fastidious Anaerobe Agar (FAA) with 7% Horse Blood & Neomycin (75mg/L) Fastidious Anaerobe Agar is intended as a primary isolation medium capable of supporting most clinically significant anaerobes including fastidious organisms. The formulation is complex and includes detoxification agents (Starch & Sodium Bicarbonate) as well as growth enhancing agents (Cysteine, Arginine, Vitamin K, Sodium Succinate, Glucose and pyrophosphate) as well as Haemin to encourage pigment production in Porphyromonas melaninogenicus. Sodium Pyruvate is also included to help neutralise Hydrogen Peroxide. In this instance the medium is made more selective by the inclusion of 75mg/L of Neomycin to inhibit most enteric organisms and further enriched by the addition of 7% Horse Blood.
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  • This is a selective medium for the isolation of Burkholderia cepacia. The base contains Bile Salts and Crystal Violet as selective agents and Ticarcillin and Polymixin B are added as additional supplements to further improve the selectivity particularly inhibition of most Pseudomonas spp.
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  • This is a medium intended for the cultivation and isolation of Bordetella pertussis & Haemophilus spp. The base medium contains Charcoal and is enriched with 10% Horse Blood. It can also be used as a maintenance or transport medium for these organisms.
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