{"title":"Microbiology Standards","description":"","products":[{"product_id":"mcfarland-latex-turbidity-standard-0-5","title":"McFarland Latex Turbidity Standard 0.5","description":"\u003cp\u003eHardy Diagnostics McFarland Latex Standard #0.5 provides a reliable, stable, and ready-to-use turbidity reference for adjusting bacterial suspensions to standard densities prior to antimicrobial susceptibility testing (AST) or other microbiological assays.\u003c\/p\u003e\n\n\u003cp\u003eEach latex standard is prepared from a suspension of uniform latex particles, designed to match the optical absorbance of traditional 0.5 barium sulfate McFarland standards. However, unlike those older formulations, the latex-based design offers superior stability, homogeneity, and resistance to light degradation, providing accurate and reproducible results over a longer shelf life.\u003c\/p\u003e\n\n\u003cp\u003eThis standard represents a bacterial density equivalent to approximately 1.5 × 10⁸ CFU\/mL, making it ideal for laboratories performing Kirby-Bauer disk diffusion, MIC determinations, and other quantitative microbial assays.\u003c\/p\u003e\n\n\u003cp\u003eFeatures and Benefits:\u003cbr\u003e\n• Prepared from uniform latex particles for consistent optical density\u003cbr\u003e\n• Equivalent absorbance to barium sulfate McFarland standards\u003cbr\u003e\n• Improved stability and resistance to clumping or light degradation\u003cbr\u003e\n• Long shelf life and lot-to-lot reproducibility\u003cbr\u003e\n• Ready to use — no dilution or mixing required\u003cbr\u003e\n• Essential for antimicrobial susceptibility testing (AST) and turbidity standardization\u003cbr\u003e\n• Compatible with manual or automated optical comparators\u003c\/p\u003e","brand":"Hardy Diagnostics","offers":[{"title":"Default Title","offer_id":42536600928315,"sku":"ML05","price":22.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/5641\/8875\/files\/ML05_581334d2-8ff9-4b15-bb5e-7d672bc2b3c7.png?v=1760920091"},{"product_id":"mcfarland-latex-turbidity-standard-2","title":"McFarland Latex Turbidity Standard 2","description":"\u003cp\u003eHardy Diagnostics McFarland Latex Standard #2 is a ready-to-use turbidity reference designed for adjusting bacterial suspensions to a standardized density prior to antimicrobial susceptibility testing (AST) and other quantitative microbiology procedures.\u003c\/p\u003e\n\n\u003cp\u003eFormulated from uniform latex particles, this modern standard mimics the light-scattering properties of the original barium sulfate McFarland standards while offering superior homogeneity, stability, and resistance to light degradation.\u003cbr\u003e\nEach standard delivers consistent optical density and reproducibility, ensuring reliable results across manual and automated testing systems.\u003c\/p\u003e\n\n\u003cp\u003eMcFarland Standard #2 corresponds to a bacterial density of approximately 6 × 10⁸ CFU\/mL, commonly used in microbiology laboratories for calibrating bacterial suspensions to ensure accuracy and reproducibility in sensitivity testing.\u003c\/p\u003e\n\n\u003cp\u003eFeatures and Benefits:\u003cbr\u003e\n• Equivalent to 6 × 10⁸ CFU\/mL bacterial density\u003cbr\u003e\n• Prepared from uniform latex particles for consistent optical absorbance\u003cbr\u003e\n• Stable, long-lasting formulation reduces light sensitivity and clumping\u003cbr\u003e\n• Ready-to-use liquid standard — eliminates preparation time\u003cbr\u003e\n• Compatible with AST, turbidity meters, and visual comparators\u003cbr\u003e\n• Ensures reproducibility in microbiological assays\u003cbr\u003e\n• Extended shelf life compared to barium sulfate standards\u003c\/p\u003e","brand":"Hardy Diagnostics","offers":[{"title":"Default Title","offer_id":42536600961083,"sku":"ML2","price":36.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/5641\/8875\/files\/ML2_4e4c06ab-8f8d-4bfd-ac53-f44b1755e875.png?v=1760920092"}],"url":"https:\/\/gogreenscientific.com\/collections\/microbiology-standards.oembed","provider":"Go Green Scientific","version":"1.0","type":"link"}