{"product_id":"millipore-polymyxin-b-sulfatemeets-50mu","title":"Polymyxin B sulfate - meets USP testing specifications - 50MU","description":"\u003cp\u003ePolymyxin B sulfate is a cyclic polypeptide antibiotic derived from Bacillus polymyxa, supplied as a USP\/NF grade material meeting United States Pharmacopeia testing specifications. It is commonly used in pharmaceutical and microbiological applications, particularly for antimicrobial studies and analytical workflows involving Gram-negative bacteria.\u003c\/p\u003e\n\n\u003cp\u003eThis compound exhibits strong bactericidal activity by binding to the lipid A portion of bacterial lipopolysaccharides, disrupting membrane integrity and increasing permeability. Due to this mechanism, polymyxin B sulfate is widely used in studies of membrane biology, endotoxin removal, and antimicrobial resistance.\u003c\/p\u003e\n\n\u003cp\u003eIn laboratory settings, polymyxin B sulfate is utilized in pharmaceutical analysis, microbiological assays, and research involving bacterial susceptibility and permeability studies. It is also applied in sample preparation workflows where selective inhibition of Gram-negative organisms is required.\u003c\/p\u003e\n\n\u003cp\u003eThis material is provided as a powder and is suitable for use in regulated laboratory environments requiring USP-compliant substances.\u003c\/p\u003e","brand":"Millipore Sigma","offers":[{"title":"Default Title","offer_id":43389805363259,"sku":"P0972-50MU","price":1820.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/5641\/8875\/files\/Polymyxin_B_sulfate.png?v=1774650318","url":"https:\/\/gogreenscientific.com\/products\/millipore-polymyxin-b-sulfatemeets-50mu","provider":"Go Green Scientific","version":"1.0","type":"link"}