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The precise detection of peroxidase enzymes is fundamental across numerous scientific disciplines, from clinical diagnostics to environmental monitoring. Understanding the chemistry of the reagents employed is crucial for optimizing assay performance. N-(3-Sulfopropyl)-3,3',5,5'-tetramethylbenzidine sodium salt, often referred to as TMBZ, stands out as a highly effective chromogenic substrate for this purpose, and its role in sensitive assays is well-established. Ningbo INNO Pharmchem Co., Ltd. emphasizes the chemical advantages of this compound.
At its core, TMBZ is a derivative of tetramethylbenzidine, designed for improved water solubility and stability. The enzymatic assay mechanism involves the oxidation of TMBZ by peroxidase in the presence of a suitable oxidant, typically hydrogen peroxide. This process generates radical intermediates that dimerize, forming a colored product. The initial one-electron oxidation leads to a blue-colored diimine-diamine complex. A subsequent reaction or the addition of an acid stop solution converts this to a yellow-colored product, allowing for spectrophotometric analysis at a peak absorbance of 450 nm. This chemical transformation makes it an excellent tool for quantitative analysis.
The sensitivity of assays employing TMBZ is a direct result of its efficient turnover by peroxidase and the distinct color change it provides. This makes it a preferred choice when users are looking for 'TMBZ analytical properties' or 'TMBZ for biochemical analysis'. Its water solubility simplifies its incorporation into aqueous buffer systems commonly used in biochemical research and diagnostic tests. Furthermore, its stability ensures that it remains effective even when stored for extended periods, contributing to the reliability of laboratory reagent manufacturing.
By understanding the chemical basis of its action, researchers can better appreciate why TMBZ is a go-to solution for detecting peroxidase activity. Ningbo INNO Pharmchem Co., Ltd. is committed to supplying this vital reagent, supporting the scientific community in achieving accurate and sensitive results in their enzymatic assays and diagnostic applications. The chemical precision offered by this substrate is key to advancing biological understanding.
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1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.
