SITS（4-Acetylamino group-4′-Isothiocyanate quinone-2,2′-Sodium disulfonate dye, as a marker for immunostaining and a tracer for neurons, is an important dye. It can also serve as an effective inhibitor of anion transport and a non penetrating fluorescent marker for red blood cell membranes.SITSIt is a blocker of chloride ion channels and chloride ion transport systems on the cell membrane.CAS：51023-76-8

Purpose::Used for non permeable fluorescent labeling membranes; Fluorescent pigments for immunofluorescence; Specific inhibitors of anion permeable membranes; Fluorescent labeling for protein reactivation; Fluorescent labeling for identifying live and dead cells. As a retrograde fluorescent marker for neurons, it has been widely used in the study of neuroanatomy. Among more than ten fluorescent markers, 4-Acetylamino group-4′-Isothiocyanate quinone-2,2′-Sodium Disulfonate(SITS)Due to its advantages of bright fluorescence, difficulty in diffusion, and non absorption by passing fibers,Therefore, it is an ideal marker.

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