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3 3 diaminobenzidine (dab)

Manufactured by Zhongshan Biotechnology
Sourced in China

3,3'-diaminobenzidine (DAB) is a chromogenic substrate used in immunohistochemistry and enzyme-linked immunosorbent assays (ELISA) to detect the presence of specific target proteins or antigens. It produces a brown-colored precipitate at the site of the enzyme-catalyzed reaction, allowing for visual identification and localization of the target molecule.

Automatically generated - may contain errors

2 protocols using 3 3 diaminobenzidine (dab)

1

Immunohistochemical Analysis of Immune Cells

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Rat monoclonal anti-F4/80 (ab6640), rabbit polyclonal anti-CD45 (ab10558), rabbit monoclonal anti-CD4 (ab183685), rabbit polyclonal anti-CD8 (ab203035), and rat monoclonal anti-B220 (ab64100) antibodies and pan-cytokeratin (ab7753) were purchased from Abcam (Cambridge, UK). Horseradish peroxidase (HRP)-conjugated secondary antibodies and 3,3'-diaminobenzidine (DAB) were purchased from Zhongshan Biotechnology Co. (Beijing, China). Collagenase type IV (C0130-100MG), hyaluronidase (H3506-100MG), and busulfan (S85543-229) were purchased from Sigma-Aldrich (St. Louis, MO, USA).
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2

Cell Culture Protocols and Reagents

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RPMI-1640 culture medium and fetal bovine serum (FBS) for cell culture were purchased from Gibco BRL, Gaithersburg, MD, USA. Rabbit anti-Cox-2 monoclonal antibody, mouse anti-PKC-α and mouse anti-P-gp monoclonal antibodies were purchased from Santa Cruz Corporation, CA, USA. Secondary antibodies against the rabbit and mouse antibodies, streptavidin-peroxidase (SP) kits, and 3,3’-diaminobenzidine (DAB) were obtained from Beijing Zhongshan Biotechnology, China. BCA protein assay kits and SDS-PAGE gel preparation kits were obtained from the Beyotime Institute of Biotechnology, Shanghai, China. PAB was purchased from the Liaoning Institute for Drug Control, China No. 201003 (the purity:>98%). Adriamycin (ADR) was obtained from Zhejiang Hisun Pharmaceutical Co., Ltd., China No. 120906. Tween80 and polyethylene glycol were purchased from Sigma Chemical, St. Louis, MO, USA.
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