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Kinetic Turbidimetric LAL Reagent for Endotoxin Detection - China Suppliers & Factory Quality Assurance

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The kinetic turbidimetric method is an essential technique for detecting bacterial endotoxins, specifically lipopolysaccharides from Gram-negative bacterial cell walls. This method is crucial for ensuring the safety of pharmaceuticals, medical devices, and biological products. As a leading supplier based in China, our factory produces high-quality reagents and equipment for this purpose.

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This innovative method utilizes turbidity change within a reaction system: endotoxins activate factor C in the amoebocyte lysate (such as Limulus Amebocyte Lysate, LAL), leading to a series of enzymatic reactions that produce insoluble coagulin. Unlike traditional endpoint turbidimetric methods, the kinetic approach continuously monitors turbidity increases over time using a microplate reader or specialized instrument at a specific wavelength (typically 340 nm).

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The time required for turbidity to reach a predetermined threshold (reaction time, T) is inversely related to the concentration of endotoxins: lower endotoxin levels result in longer T, while higher levels decrease T. By comparing the T of the sample to a standard endotoxin curve established with known concentrations, the endotoxin content in the test sample can be accurately quantified. As a trusted factory in China, we ensure high sensitivity, a wide linear range, and automated operation, making our product a favored choice in quality control across the pharmaceutical and medical industries.

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Please note that this product is not registered with the U.S. FDA and is intended for research use only if utilized within the United States.

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    Product Features

    Key Features of Kinetic Turbidimetric LAL Assay for Quantitative Endotoxin Detection

    High Sensitivity & Speed

    The kinetic turbidimetric LAL assay stands out for quantitative endotoxin detection with distinct advantages. It boasts high sensitivity, with a minimum detection limit down to 0.01 EU/mL, enabling precise quantification even at ultra-low endotoxin levels. The assay completes reactions in approximately 1 hour, balancing speed and accuracy for efficient workflow integration.

    Anti-Interference Capability

    A major strength is its robust anti-interference capability. It mitigates false positives from β-D-glucan and protein binding, complying with USP <1085> standards for interference control. This ensures reliable results for complex samples like biologics and dialysates.

    Automation & Compliance

    Automation compatibility is another key feature, seamlessly integrating with temperature-controlled microplate readers (340nm) for high-throughput testing. Its wide application scope covers water samples, large-volume injections, and hemodialysis fluids, offering cost-effectiveness for bulk detection. The quantitative range and linearity support regulatory compliance, making it indispensable for pharmaceutical and clinical endotoxin monitoring.

    Frequently Asked Questions

    1. What is the detection limit of the Kinetic Turbidimetric LAL Assay?

    The assay features high sensitivity, with a minimum detection limit down to 0.01 EU/mL, allowing for the precise quantification of even ultra-low endotoxin levels.

    2. How long does the reaction process take?

    The assay completes its reactions in approximately 1 hour, providing an optimal balance between rapid testing speed and high analytical accuracy.

    3. How does this assay handle sample interference?

    It has robust anti-interference capabilities that mitigate false positives caused by β-D-glucan and protein binding, complying fully with USP <1085> standards.

    4. Can the Kinetic Turbidimetric LAL Assay be automated?

    Yes, it is designed for automation compatibility and seamlessly integrates with temperature-controlled microplate readers at 340nm for high-throughput testing.

    5. What types of samples are suitable for this testing method?

    It is highly suitable for water samples, large-volume injections, hemodialysis fluids, biologics, and other complex pharmaceutical or clinical samples.

    6. Is this method cost-effective for large-scale testing?

    Yes, due to its high-throughput automation compatibility and wide application scope, it offers excellent cost-effectiveness for bulk endotoxin detection.