Azo dye-type indicators refer to a class of organic color-developing reagents that contain an azo bond (—N=N—) in the molecule and can produce color responses through changes in acid-base state, metal complexation, protein binding, or affinity for tissue components.
In biological experiments, “red-series reagents” can refer to chromogenic or staining reagents that appear red in visible light, as well as fluorescent probes and labels whose emission falls in red or far-red channels. Because “red” may denote apparent color, precipitated chromogenic products, ...
危险品化学品经营许可证（带存储）