Thermo Scientific™

StartingBlock™ (PBS) Blocking Buffer

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StartingBlock Blocking Buffer is a single purified protein for fast blocking of western blots and ELISA assays. It provides broad compatibility with a wide range of antibodies, antibody combinations, and other protein probing and assay systems. StartingBlock buffer is available in PBS and TBS with and without Tween20.

Compare and view all available blocking buffers

Features of StartingBlock Blocking Buffers:
Strip and reprobe without reblocking—blots stay blocked even after stripping with Thermo Scientific Restore Stripping Buffer (Cat. No. 21059)
Compatible with many detection systems—western blot, ELISA, and IHC with antibody or avidin/biotin probes (blocker is serum and biotin-free)
Short blocking times—less than 15 minutes for nitrocellulose or PVDF membranes, almost instantaneous for polystyrene microplate wells
Biotin- and serum protein-free formulation

Related products
StartingBlock T20 (PBS) Blocking Buffer
StartingBlock (TBS) Blocking Buffer
StartingBlock T20 (TBS) Blocking Buffer

For Research Use Only. Not for use in diagnostic procedures.


Form: Liquid
Product Line: StartingBlock™
Reagent Type: Blocking Reagent
Validated Application: ELISA, Western Blot
Product Type: StartingBlock (PBS) Blocking Buffer
Quantity: 100mL

Contents & storage

Upon receipt store at 4°C.