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  4. Fluorescent Dye

Fluorescent Dye

Fluorescence is a phenomenon of photoluminescence in luminescence. When an atom is irradiated by light, some electrons around the nucleus jump from their original orbitals to higher energy orbitals under the influence of light energy, i.e., from the ground state to the first or second excited single-line state, etc. Due to the instability of the first or second excited singlet state, the electron returns from the excited singlet state to the ground state accompanied by released energy, resulting in fluorescence.

Fluorescent dyes can be covalently bound or physically adsorbed in the structure of the substance. The fluorescence properties allow for the characterization, localization and quantitative analysis of the labeled object. Fluorescent dyes have shown great potential for the detection of proteins, nucleic acids, cells, and immunoassays, attributed to the advantages in non-radioactive contamination, simple experimental operation and easy observation.

Fluorescent dyes have penetrated many fields such as pharmacology, physiology, environmental science, and information science, as well as functional studies of proteins and drug screening.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-D1052
    Cy7-YNE
    Cy7-YNE is a fluorescence labeling agent (Ex=700-770 nm，Em=790 nm). Cyanine dyes are used to label proteins, antibodies, and peptides. Cy7-YNE is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
    Cy7-YNE
  • HY-101937
    L-ANAP
    L-ANAP is a genetically encodable and polarity-sensitive fluorescent unnatural amino acid (Uaa).
    L-ANAP
  • HY-D1542
    Mucicarmine
    Mucicarmine is used in the histological visualization of acid mucopolysaccharides in tissue sections. Mucicarmine can identify mucin (deep rose), which is useful in determining the mucin positive cancer (such as liver carcinoma).
    Mucicarmine
  • HY-D0942
    Acridine Orange zinc chloride salt
    Acridine Orange (Euchrysine 3RX) zinc chloride salt is a cell-penetrable nucleic acid-selective fluorescent dye. Acridine Orange zinc chloride salt produces orange fluorescence when it binds to ssDNA or RNA, and green fluorescence when it binds to dsDNA (Ex: 488 nM; Em: green fluorescence at 530 nm, orange fluorescence at 640 nm).
    Acridine Orange zinc chloride salt
  • HY-D1054
    Cy2 (iodine)
    Cy2 iodine is a CY dye. CY, short for Cyanine, is a compound consisting of two nitrogen atoms connected by an odd number of methyl units. Cyanine compounds have the characteristics of long wavelength, adjustable absorption and emission, high extinction coefficient, good water solubility and relatively simple synthesis. CY dyes are of en used for the labeling of proteins, antibodies and small molecular compounds. For the labeling of protein antibodies, the combination can be completed through a simple mixing reaction. Below, we introduce the labeling method of protein antibody labeling, which has certain reference significance.
    Cy2 (iodine)
  • HY-D1032
    DiZHSeC
    		99.90%
    DiZHSeC is a multifunctional dye. Dyes are important tools in biological experiments. They can help researchers observe and analyze cell structures, track biomolecules, evaluate cell functions, distinguish cell types, detect biomolecules, study tissue pathology and monitor microorganisms. Their applications range from basic scientific research to clinical A wide range of diagnostics. Dyes are also widely used in traditional fields such as textile dyeing, as well as in emerging fields such as functional textile processing, food pigments and dye-sensitized solar cells.
    DiZHSeC
  • HY-D0954
    Jenner's Stain
    Jenner's Stain is a dye that is used in microscopy for staining blood smears. Jenner's Stain can be used for the chromosome stain by C-banding technique. Jenner's Stain can be used for the stain for routine blood examinations and malarial staining.
    Jenner's Stain
  • HY-101902
    Quin-2AM
    Quin-2AM is a fluorecent Ca2+ chelator, with high affinity for calcium. Quin-2AM can specifically identify intracellular calcium ions, with high sensitivity, low cytotoxicity, increased AM acetylmethyl ester can enter the cell well, after being sheared by the intracellular esterase stay in the cell to bind to calcium ions, produce strong fluorescence.
    Quin-2AM
  • HY-D0931S
    Sudan III-d6
    Sudan III-d6 (Sudan Red III-d6; Tetrazobenzene-β-naphthol-d6) is a deuterium labeled Sudan III (HY-D0931). Sudan III is a hydrophobic bisazo dye.
    Sudan III-d<sub>6</sub>
  • HY-D0140
    Chromoionophore I
    Chromoionophore I (ETH 5294) is a hydrophobic pH indicator. Chromoionophore I is used as a transmissive or fluorescent probe molecule in many types of hydrophobic sensor membranes. Chromoionophore I is oil-soluble.
    Chromoionophore I
  • HY-D1876
    ZY-2
    ZY-2 is a specific fluorescent probe for pyruvate kinase M2 (PKM2). ZY-2 can image in PKM2-positive cells in a time- and concentration-dependent manner. ZY-2 can be used for the detection of cancer cells.
    ZY-2
  • HY-W273413
    4-Hydrazino-7-nitro-benzofurazan hydrazine adduct
    		99.83%
    4-Hydrazino-7-nitro-benzofurazan hydrazine adduct is a fluorescent reagent for protein labeling.
    4-Hydrazino-7-nitro-benzofurazan hydrazine adduct
  • HY-D1379
    Azophloxine
    		99.71%
    Azophloxine, also known as acid red 1 (AR1), is a member of synthetic red azo dye family.
    Azophloxine
  • HY-D2007
    ATTO 488 biotin
    		98%
    ATTO 488 biotin is a biotin derivative of ATTO 488 with maximum excitation/emission wavelengths: 500/520 nm.
    ATTO 488 biotin
  • HY-D1830
    Vari Fluor 680 Carboxylic acid（free acid）
    Vari Fluor 680 Carboxylic acid (VF 680 Carboxylic acid) free acid is a carboxylic acid derivative of Vari Fluor. Vari Fluor carboxylic acid derivatives are unactivated labeled fluorescent dyes for protein, antibody, and polysaccharide labeling that require carboxylic acid activation for use.
    Vari Fluor 680 Carboxylic acid（free acid）
  • HY-15907
    BBD
    		99.90%
    BBD (NSC240867) is a biochemical reagent/chromogenic reagent.
    BBD
  • HY-D0953
    Direct Blue 86
    		99.50%
    Direct Blue 86 (Solvent Blue 38) is a myelin-sheath stain, commonly utilized in microscopy to detect demyelination in the central nervous system. Direct Blue 86 also is a dye with various applications including as a commercial dye in the printing of cotton and mucilage glue fabrics.
    Direct Blue 86
  • HY-114350
    BDP FL maleimide
    		98.12%
    BDP FL maleimide is a thiol-reactive dye (Ex: 503 nm; Em: 509 nm). BDP FL maleimide can be used for protein labeling, peptide modification, and can replace fluorescein (FAM) for microscopy.
    BDP FL maleimide
  • HY-D1451
    PKH 26
    		99.98%
    PKH 26 is a red fluorescent dye, PKH 26 can stably bind to the lipid region of cell membrane and emit red fluorescence (Ex/Em=551/567 nm), which is mainly used for in vitro cell labeling, in vitro cell proliferation studies and in vivo and in vitro cell tracing studies.
    PKH 26
  • HY-Y1778
    N-(Diphenylmethylene)glycine tert-butyl ester
    		99.96%
    N-(Diphenylmethylene)glycine tert-butyl ester is a dye, also as the raw material and intermediate for organic syntheses.
    N-(Diphenylmethylene)glycine tert-butyl ester
Cat. No. Product Name / Synonyms Application Reactivity