Fluorescent Dyes : we have 213 products

Calcein AM is a cell-permeant dye that can be used to determine cell viability in most eukaryotic cells. In live cells the nonfluorescent calcein AM is converted to green-fluorescent calcein, after acetoxymethyl ester hydrolysis by intracellular esterases.

• • Cell Staining

DAPI is a nuclear and chromosome counterstain, it emits blue fluorescence upon binding to AT regions of DNA. Although the dye is cell impermeant, higher concentrations will enter a live cell.

• • Cell Staining

Fluorescent dye derived from trimethine cyanine with with an intrinsic single negative charge. Water soluble and forms a stable amide bond with primary amines via carbodiimide activation.

• • Conjugation

Fluorescent dye derived from aisulfonated trimethine cyanine with an amino functional group. Water soluble, reacts with activated carboxylic acid at pH 7-9 and inserts a negative charge in the labeled molecule.

• • Conjugation

Fluorescent dye derived from trimethine cyanine with negative charge. Water soluble and forms a stable covalent bond with thiols at pH >7.5.

• • Conjugation

Fluorescent dye derived from disulfonated trimethine cyanine with an amino functional group. Water soluble, reacts with activated carboxylic acid at pH 7-9 and inserts a negative charge in the labeled molecule.

• • Conjugation

Fluorescent dye derived from trimethine cyanine with intrinsic single positive charge. Water insoluble and forms stable covalent bond with thiols at pH >7.5.

• • Conjugation

Fluorescent dye derived from trimethine cyanine with an intrinsic single positive charge. Water insoluble and forms reversible disulfide bond with sulfhydryl groups at pH up to 6.5.

• • Conjugation

Fluorescent dye derived from trimethine cyanine. Zwitterion, slightly soluble in water and forms stable amide bond with primary amines via carbodiimide activation.

• • Conjugation

Fluorescent dye derived from trimethine cyanine with an amino group protected as hydrochloride. Zwitterion, and reacts with activated carboxylic acid at pH 7-9.

• • Conjugation

Fluorescent dye derived from trimethine cyanine with an azido group. Zwitterion, and forms a 1,2,3-triazole type connection(Click Reaction) with terminal alkynes in the presence of Cu(I).

• • Conjugation

Fluorescent dye derived from trimethine cyanine. Zwitterion, and forms a stable covalent bond with thiols at pH >7.5.

• • Conjugation

Fluorescent dye derived from trimethine cyanine with an intrinsic neutral charge. Forms a reversible disulfide bond with sulfhydryl groups at pH up to 6.5.

• • Conjugation

Fluorescent dye derived from dipyrrometheneboron difluoride. Water insoluble and forms stable amide bond with primary amines via carbodiimide activation.

• • Conjugation

Fluorescent dye derived from dipyrrometheneboron difluoride. Water insoluble and forms a 1,2,3-triazole type connection with terminal alkynes in the presence of Cu(I).

• • Conjugation

Fluorescent dye derived from dipyrrometheneboron difluoride. Water insoluble and forms stable amide bond with primary amines at pH 7-9.

• • Conjugation

Fluorescent dye derived from dipyrrometheneboron difluoride. Water insoluble and forms disulfides with thiol bonds.

• • Conjugation

Fluorescent dye derived from dipyrrometheneboron difluoride. Water insoluble and forms stable amide bond with primary amines via carbodiimide activation.

• • Conjugation

Fluorescent dye derived from dipyrrometheneboron difluoride. Water insoluble and forms a 1,2,3-triazole type connection with terminal alkynes in the presence of Cu(I).

• • Conjugation

Fluorescent dye derived from dipyrrometheneboron difluoride. Water insoluble and forms stable amide bond with primary amines at pH 7-9.

• • Conjugation