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Buffers and Diluents

Blocking Reagents

Substrates and
Chromogens

Counterstains and
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Negative Control Sera
and Immunoglobulins

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i6000™ Automated SS

BLOCKING REAGENTS

BioGenex offers a range of blocking products for use on tissue sections to achieve better staining results.

Avidin/Biotin Blocking Kit

The BioGenex Avidin/Biotin Blocks ensure blocking of all endogenous biotin, biotin receptors, or avidin binding sites present in certain tissues rich in biotin, such liver, kidney, and GI tract. Pre-treatment of tissues with the avidin blocking should always be followed with biotin blocking.

Peroxide Block

The BioGenex Peroxide Block should be used prior to applying primary antibody when horseradish peroxidase is used as the labeling enzyme, and if it is necessary to block endogenous peroxidase activity in the tissue being stained. Endogenous peroxidase is most commonly encountered in red blood cells, kidney, and liver tissue. It is intended for in vitro diagnostic use.

Power Block™ Universal Blocking Reagent

The BioGenex Power Block™ Universal Blocking Reagent is a superior blocking reagent for reducing non-specific background in immunoassays. It is truly a universal block, suitable for use in immunohistochemistry, immunocytochemistry, ELISA methods, and immunogold techniques. It contains buffer, casein and preservative. It also works well as an antibody diluent and washing medium.

Protein Block

The BioGenex Protein Block can be used to reduce background staining due to non-specific binding of the primary or secondary antibodies to the tissue. The Protein Block should be applied immediately prior to the primary antibody.

Levamisole

The BioGenex Levamisole is used to reduce background staining of alkaline phosphatase-based detection systems by inhibiting endogenous alkaline phosphatase in most tissues. It is intended for use with detection systems that employ intestinal alkaline phosphatase as the enzyme label. Levamisole is added to a phosphatase chromogen (Fast Red or BCIP/NBT). It is intended for in vitro diagnostic use.

Blocking Reagents	Cat. No.	Size	Datasheet	MSDS
Avidin/biotin blocking kit	HK102-5K	6 ml	Download	Download
Peroxide block H2O2 solution	HK111-5K	6 ml	HK111-5K	Download
Power Block™ Universal Blocking Reagent 10X Concentrated	HK085-5K	100 ml	Download	Download
Protein block/normal goat serum (for use with mouse & rabbit systems)	HK112-5K	6 ml	Download	Download
	HK112-9K	50 ml	Download	Download
Protein block/normal rabbit serum (for use with goat system)	HK114-5K	6 ml	Download	Download
Levamisole (50X concentrate)	HK113-5K	6 ml	Download	Download