Stayright™ Purple HRP Staining Kit - 50 mL
https://www.i-asr.com/shop/45906-stayrighttm-purple-hrp-staining-kit-50-ml-23090
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3,3'-Diaminobenzidine (DAB) has been applied for decades as the most commonly used IHC chromogen because it is inexpensive and sensitive for routine applications.
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