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3,3'Diaminobenzidine (DAB) is a widely used chromogen for immunohistochemical staining. In the presence of peroxidase enzyme, DAB produces a brown precipitate that is insoluble in alcohol.This product is available in a two component form consisting of a liquid, refrigerator stable DAB Chromogen and DAB Substrate. Once the two components are combined, the reagent can be used for up to six hours, making it ideal for automated stainers.
Contains DAB in buffer. Reagent is acidic and can cause burns if skin contact occurs.
Contains Hydrogen Peroxide in DAB substrate buffer. Avoid contact with skin and eyes.
|组件||125 ml||60 ml|
|50x DAB Chromogen||1 x 4ml||1 x 2ml|
|DAB substrate||1 x 125ml||1 x 60ml|
Our Abpromise guarantee covers the use of ab64238 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
|IHC-P||Use at an assay dependent dilution.|
Immuno-staining of formalin–fixed and paraffin-embedded liver sections with ab64238. Secontions were obtained from control (saline) and treated with CCl4+CT-N and CCl4+AD-N (left) and antibody control (right).
Immunohistochemical analysis of healthy and colitis mouse colon sections (untreated and treated with enoxaparin) labeling claudin-4 with ab15104 at 1/200. ab7090, anti-rabbit immunoglobulin G conjugated to horseradish peroxidase (HRP) at 1/300 was used as the secondary antibody. ab64238 at 1/50 was used to develop the histological signal.
Antigen retrieval was performed by incubating the sections for 10 minutes at 97°C in 1 mM EDTA buffer, pH 8.0 or 10 mM citrate buffer, pH 6.0.
Control, C; untreated colitis, DSS; oral enoxaparin, OE; intraperitoneal injection of enoxaparin, IPE.
Human colon carcinoma stained with anti-p53 antibody using DAB Substrate Kit (ab64238)
Immunohistochemical analysis of mouse lung. Samples were fixed in 10% buffered formalin, paraffinized and sliced at 1.5 µm thick. Antigen retrieval was performed using ab64214 for the deparaffinized slices. Sections were blocked with 2% normal goat serum, PBS(-) and 0.1% Tween20. They were then incubated with the primary antibodies for 1 hour at 4°C and with secondary antibodies for 30 minutes at room temperature. The avidin-biotin-peroxidase complex method with peroxidase streptavidin and the DAB substrate kit ab64238 was performed.
(A) A resected lung from a mouse sacrificed 28 days after SCL injection.
(B) Haemotoxylin and Eosin staining showing the tumor composed of a central area with necrosis and a peripheral zone filled with SCLs.
(C) Immunohistochemical staining for MMP-14 showing positive expression of MMP-14 in the peripheral zone of the tumor and negative in central zone.
(D) Immunohistochemical staining weak staining of MMP-2 in the peripheral zone.
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