{"id":675,"date":"2026-09-22T10:50:57","date_gmt":"2026-09-22T02:50:57","guid":{"rendered":"https:\/\/www.csyuteng.com\/?p=675"},"modified":"2026-09-22T11:04:24","modified_gmt":"2026-09-22T03:04:24","slug":"sodium-polyanethol-sulfonate-manufacturer","status":"publish","type":"post","link":"https:\/\/www.csyuteng.com\/de\/sodium-polyanethol-sulfonate-manufacturer.html","title":{"rendered":"Sodium Polyanethol Sulfonate (SPS): An Essential Additive for Blood Culture Systems"},"content":{"rendered":"

I. Industry Background<\/span><\/strong><\/p>\n

Bloodstream infections (BSIs) can progress rapidly and are associated with high mortality rates. Blood culture remains the cornerstone diagnostic method for the clinical detection of bacteremia and sepsis. While the performance of the culture system itself is important, the quality and supply stability of key additives are also critical factors that directly affect pathogen recovery rates and the efficiency of clinical diagnosis.<\/p>\n

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II. What Is Sodium Polyanethol Sulfonate (SPS)?<\/span><\/h1>\n

Sodium Polyanethol Sulfonate (SPS, CAS No. 55963-78-5)<\/strong><\/a><\/span> is a functional raw material specifically used in blood culture systems. It typically appears as a white to pale yellow crystalline powder. SPS combines two key functions: anticoagulation<\/strong> and the neutralization of inhibitory substances to support microbial growth<\/strong>. It has been widely used in commercial blood culture bottles and is a standard functional component in automated blood culture systems.<\/p>\n

\"Sodium<\/p>\n


\nIII. Mechanism of Action: Three Complementary Mechanisms<\/span><\/h1>\n

Natrium-Polyanethol-Sulfonat<\/strong><\/a> <\/span>SPS<\/a> helps optimize the blood culture microenvironment through three complementary mechanisms<\/strong>, thereby improving the recovery and detection of pathogenic microorganisms.<\/p>\n\n\n\n\n\n\n
Mechanism<\/th>\nPrimary Target<\/th>\nClinical Value<\/th>\n<\/tr>\n
Neutralization of Antibiotics<\/strong><\/td>\nCertain antibiotics, including aminoglycosides<\/td>\nReduces false-negative results caused by antibiotic interference<\/td>\n<\/tr>\n
Inhibition of Host Defense Mechanisms<\/strong><\/td>\nLysozyme, leukocyte phagocytosis, and the complement system<\/td>\nCreates a more favorable microenvironment for bacterial growth<\/td>\n<\/tr>\n
Anticoagulation<\/strong><\/td>\nEnhances antithrombin
\nIII activity and inhibits thrombin and coagulation factor Xa<\/td>\n		Maintains blood samples in a stable liquid state and helps prevent clot formation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Through these complementary effects, Natrium-Polyanethol-Sulfonat<\/a><\/span> SPS helps reduce the impact of multiple inhibitory factors present in blood samples and supports the growth and recovery of microorganisms during blood culture.<\/p>\n

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\nIV. Key Applications<\/span><\/strong><\/p>\n

1. Core Component of Clinical Blood Culture Bottles<\/h3>\n

SPS is used in major types of blood culture products, including aerobic bottles, anaerobic bottles, and paired aerobic\/anaerobic bottle systems<\/strong>. It is an important functional raw material for bloodstream infection diagnostics.<\/p>\n

2. Microbiological Research and In Vitro Testing<\/h3>\n

SPS is also used in in vitro microbiological studies and specialized clinical testing applications<\/strong>, where it can provide anticoagulant functionality while helping preserve microbial viability and activity.<\/p>\n

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\nV. Four Key Quality Indicators of High-Quality SPS<\/span><\/h2>\n

The quality of SPS raw material<\/strong> directly affects the performance and consistency of blood culture bottles. When selecting an SPS supplier, downstream manufacturers should pay particular attention to the following factors:<\/p>\n