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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-D2106
    TAMRA-PEG4-NHS
    TAMRA-PEG4-NHS is a dye derivative of TAMRA (HY-135640) containing 4 PEG units. TAMRA-PEG4-NHS contains NHS groups that react with ammonia to form ester bonds.
    TAMRA-PEG4-NHS
  • HY-D0956
    Acridine yellow G
    Acridine yellow G 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.
    Acridine yellow G
  • HY-D1633
    4-Methylumbelliferyl-β-D-galactopyranoside 6-sulfate
    4-Methylumbelliferyl-β-D-galactopyranoside 6-sulfate is a fluorescent dye. 4-Methylumbelliferyl-β-D-galactopyranoside 6-sulfate undergoes desulphation by galactose-6-sulphate sulphatase to form 4-methylumbelliferyl-β-D-galactopyranoside, which is cleaved by β-galactosidase to release fluorescent 4-methylumbelliferone. 4-Methylumbelliferyl-β-D-galactopyranoside 6-sulfate interacts with N-acetylgalactosamine-6-sulfate sulfatase (GALNS) via hydrogen bonds, electrostatic interactions, and steric interactions. 4-Methylumbelliferyl-β-D-galactopyranoside 6-sulfate serves as a substrate in assays measuring galactose-6-sulphate sulphatase and GALNS activity. 4-Methylumbelliferyl-β-D-galactopyranoside 6-sulfate can be used for the research of Morquio disease type A (mucopolysaccharidosis IV A).
    4-Methylumbelliferyl-β-D-galactopyranoside 6-sulfate
  • HY-D2795
    FITC-PEG400-COOH
    FITC-PEG400-COOH is a fluorescent dye composed of polyethylene glycol (PEG), FITC (HY-66019) and a COOH. FITC-PEG400-COOH can be used for fluorescent labeling and imaging.
    FITC-PEG400-COOH
  • HY-103305
    cis-Ned19
    		99.25%
    cis-Ned19 is an irreversible nicotinic acid adenine dinucleotide phosphate (NAADP) antagonist. cis-Ned19 localizes to lysosomes and endolysosomal vesicles, stains two-pore calcium channels and fluorescently labels NAADP receptors (Ex/Em = 365/410 nm).
    cis-Ned19
  • HY-P4331
    Boc-Gln-Gly-Arg-AMC
    		99.77%
    Boc-Gln-Gly-Arg-AMC is a fluorogenic substrate for kallikrein (PKa), coagulation factor XIIa (FXIIa) and coagulation factor XIa (FXIa). Boc-Gln-Gly-Arg-AMC enables fluorescence-based activity assays for PKa, FXIIa and FXIa.
    Boc-Gln-Gly-Arg-AMC
  • HY-W012482
    5-(tert-Butyl)isobenzofuran-1,3-dione
    5-(tert-Butyl)isobenzofuran-1,3-dione is a intermediate and dye. 5-(tert-Butyl)isobenzofuran-1,3-dione has a synonym of 4-tert-Butylphthalic Anhydride.
    5-(tert-Butyl)isobenzofuran-1,3-dione
  • HY-125749
    Coumarin-30
    Coumarin-30 is a coumarin-based fluorescent dye and environment-sensitive fluorescent probe (in aqueous medium, λex = 430 nm, λem = 495 nm). Coumarin-30 serves as a dopant for organic light-emitting diodes.
    Coumarin-30
  • HY-D2839
    m-PEG10000-PEI-Cy5
    		99.50%
    m-PEG10000-PEI-Cy5 is a fluorescent dye composed of polyethylene glycol (PEG), Cy5 (HY-D0821) and Polyethyleneimine (PEI). m-PEG10000-PEI-Cy5 can be used for fluorescent labeling and imaging.
    m-PEG10000-PEI-Cy5
  • HY-P2673A
    Lys-Arg-Thr-Leu-Arg-Arg acetate
    Lys-Arg-Thr-Leu-Arg-Arg (KRTLRR) acetate is a hexapeptide. Lys-Arg-Thr-Leu-Arg-Arg acetate is a substrate of EGF receptor protein kinase C and can be used to measure protein kinase C activity.
    Lys-Arg-Thr-Leu-Arg-Arg acetate
  • HY-D1489
    Ethyl eosin
    Ethyl eosin is a fluorescent dye with an absorption peak at 527 nm and an absorption shoulder at 487 nm.
    Ethyl eosin
  • HY-P5355
    Z-Gly-Gly-Arg-AFC
    		98.98%
    Z-Gly-Gly-Arg-AFC is a biological active peptide. (Plasminogen Activator Acrosine Substrate, fluorescent Z-Gly-Gly-Arg-AFC)
    Z-Gly-Gly-Arg-AFC
  • HY-D3013
    Cy5.5 bis-COOH bromide
    Cy5.5 bis-COOH bromide is a derivative of Cy5.5 (HY-D0924) dye. Sulfo Cy5.5 bis-COOH bromide contains carboxyl groups, which can condense ammonia to form covalent bonds (Ex/Em = 680/710 nm).
    Cy5.5 bis-COOH bromide
  • HY-15621A
    DMA trihydrochloride
    		98.01%
    DMA trihydrochloride is a fluorescent compound (λex=340 nm, λem=478 nm).
    DMA trihydrochloride
  • HY-163290
    HDAC-MB
    		99.42%
    HDAC-MB a probe that is activated by HDAC6 and can detect and eliminate glioma cells through activation by HDAC6. HDAC-MB reveals antimetastatic and antiproliferative properties, inhibits glioma invasion and induces cellular apoptosis.
    HDAC-MB
  • HY-110337
    FFN 102 mesylate
    		99.00%
    FFN 102 mesylate is a synthetic biogenic neurotransmitter analogue with PH-dependent fluorescence and electrical activity.
    FFN 102 mesylate
  • HY-DY1101
    Fura-2 AM (solution)
    Fura-2 AM (solution) (Fura-2 Acetoxymethyl ester (solution)) is a membrane permeable, intracellular, UV light-excitable and ratiometric fluorescent Ca2+ (calcium ion) indicator. Fura-2 AM crosses cell membranes and is converted to Fura-2 (HY-D0110A) via cellular esterases. Fura-2 AM can be used to detect calcium in cells.
    Solvent and concentration: DMSO: 1 mM
    Fura-2 AM (solution)
  • HY-D0159
    ZnAF-1F
    ZnAF-1F is a potent fluorophore for with an Kd value of 2.2 nM. ZnAF-1F can be used as fluorescent probes for Zn2+ in cells. ZnAF-1F shows λ excitation of 489 nm and λ emission of 514 nm.
    ZnAF-1F
  • HY-D1427
    Di-2-ANEPEQ
    Di-2-ANEPEQ is a voltage sensitive membrane potential fluorescence dye. Di-2-ANEPEQ can be used for the evaluation of voltage-sensitive fluorescence dyes for monitoring neuronal activity in the embryonic central nervous system.
    Di-2-ANEPEQ
  • HY-W053871
    4-Methylphthalimide
    		99.96%
    4-Methylphthalimide is a stain with biological research applications.
    4-Methylphthalimide
Cat. No. Product Name / Synonyms Application Reactivity