SwiftBlock? Blocking Buffer for Western Blot (Fast)

SwiftBlock? Blocking Buffer for Western Blot (Fast) is a next-generation, rapid and efficient blocking solution specifically designed for Western blot experiments, formulated in PBS. This product contains no serum, albumin, or biotin, but includes preservatives that do not affect HRP or AP activity. It is primarily used for blocking PVDF membranes or nitrocellulose (NC) membranes in Western blot (WB) assays, as well as for diluting primary and secondary antibodies in Western blot experiments.

This blocking buffer is fast and efficient, typically requiring only 5–15 minutes. Compared to traditional blocking agents (e.g., BSA, non-fat dry milk, casein), it provides a superior signal-to-noise ratio. The absence of serum and albumin ensures an extremely high signal-to-noise ratio and very low background after blocking. It is compatible with horseradish peroxidase (HRP), alkaline phosphatase (AP), and biotin-labeled secondary antibodies. The product is convenient to use, requiring no additional reagents, and can be directly applied for membrane blocking.