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Blocking Buffers for Protein Methods

Traditional protein blocking agents (BSA, casein and milk) and exclusive Pierce blocking buffers (SuperBlock, StartingBlock, Protein-Free) for Western blotting, ELISA and other immunoassay detection methods with microplates and membranes.



Ready-to-use 5% solution of nonfat powdered milk in TBS for Western blot, ELISA, IHC and other detection methods. 



Ready-to-use 10X PBS or TBS solutions of bovine serum albumin for blocking steps in Western blot, ELISA, IHC and nucleic acid detection methods. 



Ready-to-use PBS or TBS solutions of purified casein for blocking steps in Western blot, ELISA, IHC and nucleic acid detection methods. 



A long shelf-life replacement for homemade milk blocking buffers based on non-fat dry milk, designed especially for Western blotting applications. 



Block and wash Western blots to achieve comparable results in much less time using this 5-minute blocker solution and rapid wash buffer for nitrocellulose or PVDF. 



Non-immune serum samples from goat, human, mouse, rabbit and other species that are popular blocking agents for IHC and cellular imaging. 



PBS and TBS formulations of a non-protein compound for effective membrane and plate blocking with extremely low background. 



Steelhead salmon serum in PBS especially useful as a blocking agent in IHC and other detection methods involving mammalian samples. 



PBS and TBS formulations of a special protein blocker for exceptional nonspecific blocking and broad compatibility with membrane- and plate-based detection. 



Optimized PBS and TBS solutions containing a protein that provides incredibly fast and effective blocking for ELISA, IHC and Western blot analysis. 


Instructions | MSDS | CofA
Product Instructions | MSDS | CofA  

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