3-Amino-9-Ethylcarbazole (AEC) is a widely used chromogen for immunohistochemical staining and immunoblotting.When in the presence of peroxidase enzyme , AEC produces a vivid red end product that is soluble in alcohol and must be used with an aqueous counterstain and mounting media.This product is available in a two component form consisting of a liquid, refrigerator stable AEC Chromogen and AEC Substrate.Each component is individually stable for 18 months from the date of manufacture. PolyTek，抗兔聚合HRP已开发，具有成本效益，可提供最清洁，最一致的染色。该系统基于聚合的过氧化物酶标记，该标记从等式中消除了生物素，从而消除了背景染色的主要原因。