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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-111956B
    D-Ala-Lys-AMCA hydrochloride
    		99.60%
    D-Ala-Lys-AMCA hydrochloride is a known proton-coupled oligopeptide transporter 1 (PEPT1) substrate that emits blue fluorescence. D-Ala-Lys-AMCA hydrochloride may be transported into liver cancer cells and Caco-2 cells based on fluorescence analysis. D-Ala-Lys-AMCA hydrochloride can be used for characterizing PEPT1-specific substrates or inhibitors (Ex/Em = 390/480 nm).
    D-Ala-Lys-AMCA hydrochloride
  • HY-D0217
    Sulfobromophthalein disodium salt
    		99.77%
    Sulfobromophthalein (Bromosulfophthalein) disodium salt is an organic anion dye used in the study of a variety of membrane carriers expressed in animal tissues and involved in transport of agents and metabolites.
    Sulfobromophthalein disodium salt
  • HY-D1157
    HKPerox-2
    		99.79%
    HKPerox-2 is a highly sensitive green fluorescent probe for the specific detection of H2O2 in living cells with a maximum excitation wavelength and emission wavelength of 520 nm and 543 nm, respectively.
    HKPerox-2
  • HY-D1082
    5-DTAF
    5-DTAF is a isomeric fluorescein derivative that directly react with polysaccharides and other alcohols in aqueous solution at pH ＞ 9. The maximum of the 5-DTAF emission profile is at a wavelength of 518 nm after excitation at 488 nm.
    5-DTAF
  • HY-D1320
    Cyanine5 azide chloride
    		99.63%
    Cyanine5 azide chloride is a potent fluorescent dye. Cyanine5 azide chloride can be reacted with terminal alkynes via a copper-catalyzed click reaction (CuAAC). (λex=646 nm, λem=662 nm). It contains an azide group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing alkyne groups. It can also undergo ring strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing DBCO or BCN groups.
    Cyanine5 azide chloride
  • HY-D1537
    Dibenzocyclooctyne-Cy5.5
    		99.21%
    Dibenzocyclooctyne-Cy5.5 (DBCO-Cy5.5) is a fluorescent dye. Dibenzocyclooctyne-Cy5.5 can be used to syntheses calcium-binding near-infrared fluorescent nanoprobe for bone tissue imaging.
    Dibenzocyclooctyne-Cy5.5
  • HY-D1106
    Py-BODIPY-NHS ester
    		98.98%
    BODIPY dye is a small molecule dye with strong ultraviolet absorption ability, its fluorescence peak is relatively sharp, and the quantum yield is high. They are relatively insensitive to the polarity and pH of the environment and are relatively stable under different physiological conditions. Due to its structural asymmetry, BODIPY derives a variety of structural products. BODIPY lipid droplet dyes can well pass through the cell membrane into the cell, and localize the neutral lipids in the cell to specifically stain the lipid droplets, which can be used for labeling of live cells and fixed cells.
    Py-BODIPY-NHS ester
  • HY-129096
    IDT307
    		99.76%
    IDT307, an analog of the organic cation MPP+, is a specific fluorescent substrate for DAT (fluorescent substrate APP+).
    IDT307
  • HY-111391A
    Resazurin sodium, indicator
    		98.06%
    Resazurin (Diazoresorcinol) sodium, indicator is a non-toxic, stable, membrane-permeable blue non-fluorescent dye (faintly fluorescent). Resazurin sodium, indicator is used as a redox indicator, can be reduced to pink, highly fluorescent Resorufin (Ex=530-560 nm, Em=590 nm) in living cells. Resazurin sodium, indicator can be used for the detection of cell viability, toxicity, proliferation, migration and invasion in cells (human, plant and animal, bacterial and fungal).
    Resazurin sodium, indicator
  • HY-15930A
    TMB dihydrochloride
    		99.83%
    TMB dihydrochloride is the dihydrochloride form of TMB (HY-15930). TMB dihydrochloride is a non-toxic, non-mutagenic, colorless dye that is also used as a chromogenic agent in enzyme detection systems based on horseradish peroxidase (HRP). TMB dihydrochloride can function as a photoacoustic probe for reactive oxygen and nitrogen species (ROS/RNS), reacting with hypochlorite, hydrogen peroxide, singlet oxygen, and nitrogen dioxide to produce blue oxidation products. TMB dihydrochloride can detect the singlet oxygen produced by the outer membrane of Escherichia coli ATCC 25922.
    TMB dihydrochloride
  • HY-D0913
    1-Methyl-7-nitroisatoic anhydride
    		≥98.0%
    1-Methyl-7-nitroisatoic anhydride (1M7) is a reagent that detects local nucleotide flexibility, for probing 2'-hydroxyl reactivity, can be used for RNA structure analysis.
    1-Methyl-7-nitroisatoic anhydride
  • HY-D0022
    5-Aminofluorescein
    		99.79%
    5-Aminofluorescein (5-AF) is a fluorescence marker, covalently bound to human serum albumin. The excitation wavelength is 495 nm and the emission wavelength is 535 nm.
    5-Aminofluorescein
  • HY-137296
    Lumogallion
    		99.79%
    Lumogallion is a highly sensitive fluorescent reagent for the detection of aluminum, gallium and other metals. Lumogallion has an excitation wavelength of 490 nm and an emission spectrum in the range of 520 nm to 650 nm, with a peak near 580 nm.
    Lumogallion
  • HY-D2295
    Mito-FerroGreen
    Mito-FerroGreen is a mitochondria-specific ferrous ion detection probe with an excitation wavelength of 488nm.
    Mito-FerroGreen
  • HY-W356116
    C6 NBD Ceramide
    		99.33%
    C6 NBD Ceramide is a Golgi apparatus fluorescent probe with cell membrane permeability. C6 NBD Ceramide can be used for fast and convenient green fluorescent labeling of Golgi in living and fixed cells, and can be used to observe changes in Golgi morphology in living cells (Ex=466 nm, Em=536 nm). C6-NBD-ceramide is metabolized to fluorescent sphingomyelin and glucosylceramide, can be used for the study of sphingolipid transport and metabolic mechanism.
    C6 NBD Ceramide
  • HY-B0389F
    Biotin-D-Glucose
    Biotin-D-Glucose 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.
    Biotin-D-Glucose
  • HY-135415
    Cyanine5.5 NHS ester chloride
    Cyanine5.5 NHS ester chloride is a reactive dye for the labeling of proteins, and antibodies and small molecular compounds.
    Cyanine5.5 NHS ester chloride
  • HY-110213
    BODIPY 630/650X
    		99.24%
    BODIPY 630/650X is a fluorescent conjugate of the adenosine receptor ligand N-ethylcarboxamido-adenosine (NECA). BODIPY 630/650X displays excitation/emission maxima of 630/650 nm, respectively.
    BODIPY 630/650X
  • HY-P2270
    Phalloidin-TRITC
    Phalloidin-TRITC is a fluorescein derivative of Phalloidin, which can specifically label myof lin and display red fluorescence when labeled and can be observed using Tesred channels.
    Phalloidin-TRITC
  • HY-B1539A
    Fuchsine base monohydrochloride
    		99.53%
    Fuchsine base (Magenta base; Basic Fuchsin) monohydrochloride is a triaminotriphenylmethane dye that is widely used as coloring agent for textile and leather materials. Fuchsine base monohydrochloride is also used to stain collagen, muscle, mitochondria, and tubercle bacillus. Fuchsine base monohydrochloride possesses anesthetic, bactericidal, and fungicidal properties.
    Fuchsine base monohydrochloride
Cat. No. Product Name / Synonyms Application Reactivity