HRP Conjugated Streptavidin

Streptavidin is a 47KD protein that extracted from streptomyces. Just like avidin, streptavidin has very high affinity to biotin molecule, one million times than the common affinity between antigen and antibody. Avidin is a alkalic protein (IP=10.0-10.5), and it can transfer to be a neutral protein through reconstruction. Isoelectric point of the streptavidin is near to neutrality, IP=6.0~6.5. Thus, streptavidin has very low non-specific absorption to tissue and cell. On the basis of streptavidin, the background of immunohistochemistry analysis is extremely low. With the method of polymeric labeling, streptavidin-HRP can form a complex which composed by about one hundred HRP and fifty streptavidin. And lots of enzymes can ensure the streptavidin-HRP with high sensitivity. Cited in 129 publication(s).

Product Info Summary

SKU: BA1088
Size: 0.5ml
Application: ELISA, IHC, WB

Product NameHRP Conjugated Streptavidin
SKU/Catalog NumberBA1088
Pack Size0.5ml
FormConcentrated, Liquid
Concentration1mg/ml
Product DescriptionStreptavidin is a 47KD protein that extracted from streptomyces. Just like avidin, streptavidin has very high affinity to biotin molecule, one million times than the common affinity between antigen and antibody. Avidin is a alkalic protein (IP=10.0-10.5), and it can transfer to be a neutral protein through reconstruction. Isoelectric point of the streptavidin is near to neutrality, IP=6.0~6.5. Thus, streptavidin has very low non-specific absorption to tissue and cell. On the basis of streptavidin, the background of immunohistochemistry analysis is extremely low. With the method of polymeric labeling, streptavidin-peroxidase can form a complex which composed by about one hundred peroxidase and fifty streptavidin. And lots of enzymes can ensure the streptavidin-peroxidase with high sensitivity.
Contents0.5 mg of HRP conjugated streptavidin
0.01 M PBS (pH7.4)
50% glycerol
Labeling MethodStreptavidin is conjugated to peroxidase by means of a method described by Wilson MB and Nakane PK.
(Reference: Wilson MB and Nakane PK. In Immunofluorescence and Related Staining Techniques, Elsevier/North Holland Biomedical Press, Amsterdam, P215 (1978).)
StorageAt -20˚C for one year from date of receipt. Avoid repeated freezing and thawing.
ShippingShips in room temperature. Can also ship with gel ice or dry ice but not necessary.
ApplicationsWB, IHC, ELISA
Cite This ProductPeroxidase Conjugated Streptavidin (Boster Biological Technology, Pleasanton CA, USA, Catalog # BA1088)

Assay Dilutions Recommendation

The recommendations below provide a starting point for assay optimization. Actual working concentration varies and should be decided by the user.

Western Blotting: 0.25-0.5μg/ml (ECL detection) Western Blotting: 2.5-5μg/ml (DAB detection) Immunohistochemistry: 2-10μg/ml ELISA: 0.01-0.1μg/ml (TMB detection)

Validation Images & Assay Conditions

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SKU:BA1088

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This product is for Research Use Only. Not for use in diagnostic procedures.

Update date: Apr 9, 2026