{"product_id":"columbia-schafsblut-cna-agar-ii-20-stk","title":"Columbia Sheep Blood CNA Agar II - 20 pcs.","description":"\u003cdiv class=\"productDescription\"\u003e\n\u003cb\u003eBlood CNA Agar\u003c\/b\u003e, or more correctly, \u003cb\u003eColumbia CNA Agar with 5% Sheep Blood\u003c\/b\u003e, is a selective medium for the isolation of Gram-positive microorganisms, especially staphylococci and streptococci, from a variety of clinical and non-clinical samples. \u003cbr\u003eCNA stands for the additives colistin and nalidixic acid, which inhibit the growth of most (but not all) Gram-negative bacteria (especially the Proteus and Pseudomonas groups).\u003cbr\u003eThe sheep blood allows for the detection of hemolytic reactions, which are particularly important for the presumptive diagnosis of streptococci.\u003cbr\u003e\u003cbr\u003eThe Blood CNA plate is therefore primarily used for the isolation of pure cultures from samples with mixed flora. \u003cbr\u003eTo ensure the detection and selection of all pathogens present in the sample, the material must simultaneously be streaked onto appropriate non-selective media, e.g., Columbia Agar with 5% Sheep Blood (without CNA) and another selective medium such as MacConkey Agar.\u003cbr\u003e\u003cbr\u003eCaution: certain multidrug-resistant Gram-negative bacteria and yeasts also grow on Blood CNA.\u003cbr\u003e\u003cbr\u003e\u003cdiv\u003eBlood CNA Agar is not suitable for purity control according to RiliBÄK \/ EUCAST. A non-selective medium such as CLED Agar is required for this.\u003cbr\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003cdiv\u003eDownloads:\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\n\n\u003ca href=\"https:\/\/aurosan.sharepoint.com\/:b:\/s\/AUROSAN_4Y\/IQC1pOeyFOp8T4M6djEqKIQ3ARJlIglYWNQR7dpXbwjnu5E?e=FZYDWa\" title=\"Gebrauchsanleitung\"\u003eInstructions for Use\u003c\/a\u003e\u003cbr\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003cbr\u003e\n\n\u003c\/div\u003e\u003cbr\u003e","brand":"Becton Dickinson GmbH","offers":[{"title":"Default Title","offer_id":56933270257996,"sku":"MD5693","price":9.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/1056\/9036\/files\/BC_Upload_1dbbedfe-d956-46ec-bde1-c09fd4465429.jpg?v=1773255584","url":"https:\/\/aurosan-shop.de\/en\/products\/columbia-schafsblut-cna-agar-ii-20-stk","provider":"aurosan-shop.de","version":"1.0","type":"link"}