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CF647 hydrazide is a bright, far red fluorescent dye with a hydrazide group. The dye absorbs at about 650 nm, but can be efficiently excited by the 633 nm or 647 nm laser with emission peak at about 665 nm.
Our CF dye hydrazides are bright, extremely water-soluble and nontoxic. These properties make the dyes excellent fixable polar tracers for neurons, or for gap junction studies. The dyes can be introduced into cells by microinjection. Hydrazides also can be used for labeling aldehyde or ketone groups, such as carbohydrate molecules after peroxidation with periodate. However, for this application we recommend using CF dye aminooxy forms, which are more reactive toward these groups than hydrazide forms.
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