{"product_id":"columbia-cna-agar-sheep-b-5-conf-20-piastre-da-90-mm","title":"Columbia CNA agar Sheep B. 5% pack of 20 90 mm plates","description":"\u003cp\u003eThe \u003cstrong\u003eColumbia CNA Agar (Sheep blood 5%)\u003c\/strong\u003e is a highly selective culture medium, specifically designed for the isolation and differentiation of Gram-positive cocci, such as streptococci, staphylococci, and pneumococci, from clinical and non-clinical samples. Thanks to its unique formulation, this agar is essential for microbiology laboratories that require precise and reliable results.\u003c\/p\u003e\u003ch2\u003eProduct Features\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eFormat:\u003c\/strong\u003e Pack of 20 90 mm plates\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eComposition:\u003c\/strong\u003e Contains 5% defibrinated sheep blood, special peptides, starch, sodium chloride, colistin sulfate, and nalidixic acid.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eFinal pH:\u003c\/strong\u003e 7.3 ± 0.2, ideal for the growth of fastidious microorganisms.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eOperating Principle\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eColumbia CNA Agar\u003c\/strong\u003e uses a combination of nutrients and selective agents to promote the growth of Gram-positive bacteria while inhibiting Gram-negative bacteria. Here's how it works:\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003ePeptospecial:\u003c\/strong\u003e Source of nitrogen, carbon, and sulfur, essential for microbial growth.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eSodium Chloride:\u003c\/strong\u003e Maintains the osmotic balance of the medium.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eColistin and Nalidixic Acid:\u003c\/strong\u003e Selective agents that inhibit the growth of Gram-negative bacteria.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eDefibrinated Sheep Blood:\u003c\/strong\u003e Provides additional nutrients and allows observation of hemolytic reactions.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eAgar:\u003c\/strong\u003e Solidifying agent that allows the formation of well-defined colonies.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eDirections for Use\u003c\/h2\u003e\u003cp\u003eFor optimal results, follow these instructions:\u003c\/p\u003e\u003col\u003e\u003cli\u003eInoculate the plates by streaking the sample over the surface of the medium with a sterile loop.\u003c\/li\u003e\u003cli\u003eIncubate at \u003cstrong\u003e36 ± 1°C\u003c\/strong\u003e for a period of \u003cstrong\u003e18-48 hours\u003c\/strong\u003e.\u003c\/li\u003e\u003cli\u003eUse an aerobic, anaerobic, or microaerophilic atmosphere depending on the needs of the sample.\u003c\/li\u003e\u003c\/ol\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eColumbia CNA Agar is particularly useful in:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eClinical laboratories for the analysis of biological samples.\u003c\/li\u003e\u003cli\u003eMicrobiology studies for the search for pathogenic bacteria.\u003c\/li\u003e\u003cli\u003eQuality control in food and pharmaceutical industries.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eConclusion\u003c\/h2\u003e\u003cp\u003eChoosing \u003cstrong\u003eColumbia CNA Agar (Sheep blood 5%)\u003c\/strong\u003e means ensuring high-quality microbiological analysis. Its advanced formulation and ability to effectively isolate Gram-positive cocci make it an indispensable product for any laboratory dealing with microbiology.\u003c\/p\u003e","brand":"LIOFILCHEM","offers":[{"title":"Default Title","offer_id":57603040838014,"sku":"LF11024","price":18.39,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/4873\/4846\/files\/LF11024_--_000_29659.jpg?v=1782257681","url":"https:\/\/www.securlab.it\/en\/products\/columbia-cna-agar-sheep-b-5-pack-of-20-90-mm-plates","provider":"Securlab","version":"1.0","type":"link"}