Blocking Buffers

Supplier: G-Biosciences

NAP-BLOCKER™ is an animal-free protein blocking agent recommended for improved assay sensitivity, minimal non specific binding and a high signal-to-background ratio. It is suitable for Western blots, dot blots and assay development.

Supplier: G-Biosciences

Blocking buffer is an enhanced blocking agent available in multiple formats. Superior™ Blocking Buffer contains a proprietary antigenically non-determinant protein for blocking Western blot membranes, blocking and storage of ELISA plates, and blocking prior to immunohistochemistry staining.

Supplier: Abcam

Immunoassay Blocking (BSA Free) (ab171535) maintains the activity of antibodies and other biomolecules adsorbed or immobilized to solid substrates.

Supplier: Abcam

10X blocking buffer (pH 7.5) for serum-free blocking of non-specific antibody binding. - Cited in over 30 publications - Suitable for ELISA, in-cell ELISA, ICC/IF, western blot (WB) - 100% casein blocking as preservative

Supplier: VWR Chemicals

RapidBlock™ solution reduces blocking time to five minutes for Western and dot blotting procedures on PVDF and nitrocellulose membranes. This protein-free formulation minimises cross-reactivity and non specific antibody binding, generating blots with low background and enhanced signal-to-noise ratio.

Supplier: G-Biosciences

FirstChoice™ Blocking Buffer is ideal as a first choice for optimization of new assays and systems, or when determining the optimal blocking buffer for elimination of non specific binding sites in ELISA, blotting, immunohistochemistry and other applications. Buffers are conveniently supplied in widely used TBS (Tris-buffered saline at pH 7,5) and PBS (phosphate-buffered saline at pH 7,5) buffers as well as in separate formulations containing Tween® 20 for improving blocking efficiencies.

Supplier: Biotium

Fish gelatin is commonly used in blocking solutions to minimise background noise in immunodetection procedures such as Western Blotting and immunostaining. Fish gelatin can be used to block non-specific binding sites on positively charged nylon or PVDF membranes or for blocking and dilution of antibodies during immunostaining procedures. Unlike BSA or milk, fish gelatin does not contain IgG or serum proteins that could cross-react with mammalian antibodies.

Supplier: Rockland Immunochemicals

A blocking buffer specifically designed for western blotting using fluorochrome conjugated antibodies. Blocking buffer was prepared using ultra pure reagents dissolved in pharmaceutical grade water (WFI) and consists of a proprietary protein formulation in tris buffered saline at pH 7,6 with thimerisol added as an antimicrobial agent.

Supplier: Abcam

Protein block is a serum-free blocking buffer designed to reduce non-specific background staining in IHC, ELISA, and western blot (WB). - Cited in over 90 publications - No need to match species for secondary antibodies, reducing animal serum handling - Ready-to-use – no mixing or dilution required

Supplier: G-Biosciences

Protein-Free™ Blocking buffer is a formulation of non-protein agents that eliminate non-specific binding sites in ELISA, blotting, immunohistochemistry and other applications. The absence of protein from the Protein-Free™ Blocking buffer eliminates problems associated with traditional protein based blockers, such as cross-reactivity and interference from glycosylated proteins.

Supplier: Biotium

The TrueBlack® WB blocking buffer kit is a ready-to-use buffer system that provides optimal specificity, sensitivity, and background signal suppression for fluorescence-based western blotting (WB).

Supplier: G-Biosciences

BLOT-QuickBlocker™ is a modified milk protein that is highly soluble and does not inhibit peroxidase detection. The modified milk protein has high blocking efficiency with a clear background.

Supplier: G-Biosciences

BLOK™ Casein is a purified protein, used for blocking free binding sites in Western blot, ELISA plate well, immunohistochemistry and other immunochemical applications.

Supplier: Thermo Fisher Scientific

Pierce Protein-free blocking buffer is a non-protein compound that provides effective blocking for membrane-based and plate-based protein detection methods, resulting in extremely low background. It is supplied in a convenient, ready-to-use format.

Supplier: Thermo Fisher Scientific

SuperBlock (TBS) Blocking Buffer is an optimised TBS solution containing a protein that provides incredibly fast and effective blocking for ELISA, IHC and Western blot analysis.

Supplier: Thermo Fisher Scientific

This clear milk blocking buffer is a long shelf life, high performance replacement for homemade milk blocking buffers in Western blotting applications.