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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.

製品番号 製品名 製品効果 純度 構造式
  • HY-D1387
    Naloxone fluorescein acetate
    Naloxone fluorescein acetate is the fluorescent-derivative of Naloxone. Naloxone is an opioid antagonist. Naloxone is the antidote for reversing the effects of an opioid overdose.
    Naloxone fluorescein acetate
  • HY-136957
    Fluorescein-6-isothiocyanate 98.03%
    Fluorescein-6-isothiocyanate is a fluorescent isomeric haptenic probes with Kds of 8.74, 2.72 and 1.88 for N-Acetyl-L-Lysine, normal mouse IgG and 4-4-20, respectively.
    Fluorescein-6-isothiocyanate
  • HY-D0222
    N,N-Dimethyl-1-naphthylamine 99.85%
    N,N-Dimethyl-1-naphthylamine is an aromatic amine and a dye. N,N-Dimethyl-1-naphthylamine can be used in nitrate reduction test.
    N,N-Dimethyl-1-naphthylamine
  • HY-120666
    TAMRA-PEG4-Alkyne 98.67%
    TAMRA-PEG4-Alkyne is a dye derivative of TAMRA (HY-135640) containing 4 PEG units. TAMRA-PEG4-Alkyne contains Alkyne groups and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups (Ex/Em = 553/575 nm).
    TAMRA-PEG4-Alkyne
  • HY-D1137
    C.I. Pigment yellow 110
    C.I. Pigment yellow 110 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment yellow 110
  • HY-D1530
    4-Methylumbelliferyl-N-acetyl-α-D-glucosaminide 99.9%
    4-Methylumbelliferyl-N-acetyl-α-D-glucosaminide is a fluorogenic substrate for detecting α-N-acetylglucosaminidase.
    4-Methylumbelliferyl-N-acetyl-α-D-glucosaminide
  • HY-D0303A
    Chrysoidine G
    Chrysoidine G (Solvent Orange 3 hydrochloride) is an industrial azoic dye (cationic dye). Chrysoidine G (Solvent Orange 3 hydrochloride) is used for the construction of most textile dyestuffs and also in synthetic industrial compounds. Chrysoidine G (Solvent Orange 3 hydrochloride) concentration can be determined by UV-Vis spectroscopy.
    Chrysoidine G
  • HY-104056
    Fura Red
    Fura Red is a Ca2+-sensitive fluorescent dye, which decreases in fluorescence with rising [Ca2+].
    Fura Red
  • HY-D1085
    AMCA-X SE
    AMCA-X-SE is a coumarin derivative that generates fixed blue fluorescence and an NHS-activated ester that forms stable amide bonds with primary amine groups. It is used as a reactive dye for labeling amino groups of peptides, proteins, and oligonucleotides. Maximum excitation/emission wavelength: 354/442 nm.
    AMCA-X SE
  • HY-D1838
    Vari Fluor 350 TSA（200×）
    Vari Fluor 350 TSA（200×） (VF 350 Tyramide) is a fluorescent probe belonging to the Vari Fluor TSA series. Vari Fluor TSA series fluorescent probes can be used for high-density in situ labeling of target antigens using horseradish peroxidase (HRP) assays, which are widely used in ELISA, IF, IHC and other techniques with high detection sensitivity.
    Vari Fluor 350 TSA（200×）
  • HY-130736
    Janelia Fluor® 549, SE
    Janelia Fluor® 549, SE (JF549, SE) is a cell-permeable fluorescent dye with an NHS ester (succinimidyl ester (SE)) reactive group. NHS esters react with primary amines and are commonly used to conjugate dyes to proteins, antibodies, amine-modified oligonucleotides, and other molecules. Janelia Fluor® 549, SE also acts as a ligand for self-labeling tags such as HaloTag and SNAP-tag, and can be used in live-cell imaging studies (Ex/Em = 549 nm/571 nm).\n
    Janelia Fluor® 549, SE
  • HY-W030319
    Methyl 2-(7-hydroxy-2-oxo-2H-chromen-4-yl)acetate
    Methyl 2-(7-hydroxy-2-oxo-2H-chromen-4-yl)acetate, a natural coumarins derivative, is exploited for the synthesis of the switchable fluorescent substrates to be used in bacterial enzyme detection.
    Methyl 2-(7-hydroxy-2-oxo-2H-chromen-4-yl)acetate
  • HY-160272
    DOPE-PEG2000-Fluor 488
    DOPE-PEG2000-Fluor 488 is a PEG lipid, composed of a DOPE phospholipid and a Fluor 488 fluorophore. DOPE is an unsaturated phospholipid. Fluor 488 has excitation and emission maxima at 499 nm and 520 nm.
    DOPE-PEG2000-Fluor 488
  • HY-D2615
    ICG PEG5000 biotin
    ICG PEG5000 biotin is a fluorescent dye composed of Indocyanine green (ICG) (HY-D0711), PEG and biotin. Indocyanine green provides it with fluorescent labeling function, PEG enhances its biocompatibility and stability, and biotin can bind to target molecules containing streptavidin to achieve targeted imaging or targeted delivery (Ex/Em=785/813 nm).
    ICG PEG5000 biotin
  • HY-D1026
    CUG 99.20%
    CUG (3-Carboxyumbelliferyl-β-D-galactopyranoside) is a fluorogenic substrate (λex=386, λem=445 nm, ε=32K).
    CUG
  • HY-118907R
    Methyl Orange (Standard)
    Methyl Orange (Standard) is the analytical standard of Methyl Orange. This product is intended for research and analytical applications. Methyl Orange is a soluble azo dye commonly used as an acid-base indicator and for staining cells and tissue sections, as well as for dyeing textiles. Methyl Orange appears red at a pH of 3.1 and changes to bright yellow as the pH increases to 4.4. Methyl Orange (500 mg/L) exhibits cytotoxicity and can cause DNA damage.
    Methyl Orange (Standard)
  • HY-B1025R
    Digoxigenin (Standard)
    Digoxigenin (Standard) is the analytical standard of Digoxigenin. This product is intended for research and analytical applications. Digoxigenin (DIG) is a steroid. DIG is used for situ hybridization as a labeling molecule probe due to long shelf life and fast detection and high sensitivity of DIG-labeled riboprobes.
    Digoxigenin (Standard)
  • HY-152901
    Chol-N3
    Chol-N3 is a bioorthogonal-based chol probe. Chol-N3 can combine with super-resolution fluorescence microscopy (SRM), providing direct visualization of nanoscale lipid heterogeneity in the cell surface of resting living cells. Chol-N3 is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.
    Chol-N3
  • HY-D2337
    Quinophthalone
    Quinophthalone is a dye with distinctive greenish yellow color. Quinophthalone is used as coloring agents for various materials. Quinophthalone is a strong sensitizer in guinea pigs, and its threshold concentration for induction and challenge is 10 ppm.
    Quinophthalone
  • HY-D0279
    Pigment orange 13
    Pigment orange 13 is a pyrazolone dye commonly used in industry.
    Pigment orange 13
製品番号 製品名 / Synonyms Application Reactivity