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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-D0027
    7-Amino-4-methylcoumarin
    		99.91%
    7-Amino-4-methylcoumarin belongs to the coumarin class, can be isolated from the endophytic fungus Xylaria sp. and has a broad spectrum of antibacterial activity. 7-Amino-4-methylcoumarin is also commonly used as an important laser dye that emits in the blue region, capable of analyzing glycoprotein monosaccharides and N-linked oligosaccharides, and is also utilized in tissue pathology analysis, enzyme activity measurement, and copper ion detection. The excitation wavelength and emission wavelength are 351 nm and 430 nm, respectively.
    7-Amino-4-methylcoumarin
  • HY-D1431
    ER-Tracker Red
    		98.08%
    ER-Tracker dye is a derivative of BODIPY series dyes coupled with Glibenclamide (HY-15206), highly selective binding to the endoplasmic reticulum, non-toxic to cells at low concentrations, this type of dye is an environmentally sensitive probe, and formaldehyde treatment can still retain part of the fluorescence, with high fluorescence life, good extinction coefficient and other characteristics. Glibenclamide is an atp-dependent K+ channel blocker (Kir6, KATP) and CFTR Cl-channel blocker that binds in the endoplasmic reticulum. ER-Tracker is not suitable for staining cells after fixation. Ex/Em=587/615 nm.
    ER-Tracker Red
  • HY-129420
    WSP-5
    		99.31%
    WSP-5 is a fluorescent probe for fast detection of H2S in biological samples and cells. WSP-5 selectively and rapidly reacts with H2S and exhibits fluorescence through a reaction-based fluorescent turn-on strategy.
    WSP-5
  • HY-D0986
    TMA-DPH
    		99.86%
    TMA-DPH is a hydrophobic fluorescent membrane probe (Ex=355 nm; Em=430 nm). TMA-DPH is able to anchor on the cell surface and localize to different regions of the phospholipid bilayer. By analyzing the fluorescence polarization values of TMA-DPH in the plasma membrane and membrane substructures, the fluidity of the cell membrane can be determined.
    TMA-DPH
  • HY-D0017
    Dansyl chloride
    		99.97%
    Dansyl chloride is a reagent that produces stable blue or blue-green fluorescent sulfonamide adducts in the reaction of aliphatic and aromatic amines with primary amino groups, and is widely used for modified amino acids, protein sequencing and amino acid analysis.
    Dansyl chloride
  • HY-D1491A
    Fast Red Violet LB Zinc chloride
    		99.17%
    Fast Red Violet LB Zinc chloride is a stain that stains tartrate-resistant acid phosphatase (TRAP) and Fast Red Violet LB Zinc chloride can be used to stain alkaline phosphatase (ALP) activity.
    Fast Red Violet LB Zinc chloride
  • HY-N0573
    Umbelliferone
    		Activator 99.67%
    Umbelliferone (7-Hydroxycoumarin), a natural orally active product of the coumarin family, is a fluorescing compound which can be used as a sunscreen agent. Umbelliferone induces cell cycle arrest, apoptosis and DNA fragmentation in HepG2 cells. Umbelliferone exhibits significant anticancer effects. Umbelliferone attenuates the alteration characteristics of allergic airway inflammation. Umbelliferone displays the neuroprotective effects and cross the blood-brain barrier. Umbelliferone exhibits anti-inflammatory and antioxidant effects in chronic alcohol-fed rats.
    Umbelliferone
  • HY-D1041
    ICG-OSu
    ICG-OSu (ICG NHS ester) is a near-infrared fluorescent agent ICG derivative. ICG-OSu is amine-reactive and has been widely used to design in vivo imaging probes.
    ICG-OSu
  • HY-D1421
    PKH 67
    		≥99.0%
    PKH67 is a fluorescent cell binding dye with green fluorescence. PKH67 can stain the cell membrane and the Ex/Em is 490/502 nm. PKH67 is often used in combination with the non-specific red fluorescent dye PKH26 (Ex/Em=551/567 nm) to label cells, detect cell proliferation in vitro, and trace cells in vitro and in vivo.
    PKH 67
  • HY-D1237
    BODIPY 505/515
    		99.77%
    BODIPY505/515 is a BODIPY dye. 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. Maximum excitation/emission wavelength: 505/515 nm.
    BODIPY 505/515
  • HY-D1612
    BODIPY FL C5-Ceramide
    		99.65%
    The Golgi apparatus is composed of flattened vesicles superimposed on each other by unit membranes. The flattened vesicles are round with expanded and perforated edges. The Golgi fluorescent probe is a BODIPY-labeled ceramide derivative, the synthesis of which occurs in the endoplasmic reticulum and can then be transported to the Golgi via ceramide transport protein (CERT) or vesicular translocation, allowing specific labeling of the dye. BODIPY Fl C5-Ceramide is a Golgi-specific green fluorescent dye, which can visualise individual cells. Ex/Em= 505 nm/512 nm.
    BODIPY FL C5-Ceramide
  • HY-101897
    Fura-2 AM
    		≥99.0%
    Fura-2 AM is a high affinity, intracellular, UV light-excitable and ratiometric fluorescent Ca2+ (calcium ion) indicator.
    Fura-2 AM
  • HY-D1498
    Mag-Fluo-4 AM
    Mag-Fluo-4 AM is a fluorecent Ca2+ chelator, with high affinity for calcium. Mag-Fluo-4 AM 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.
    Mag-Fluo-4 AM
  • HY-D0716
    Fluo-3AM
    		≥99.0%
    Fluo-3 AM is a fluorecent Ca2+ chelator, with high affinity for calcium. Fluo-3 AM 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.
    Fluo-3AM
  • HY-137805
    Ferrozine
    		99.96%
    Ferrozine is a spectrophotometric reagent for iron ions, can react with divalent Fe to form a stable magenta complex species. The complex has an absorption peak at 562 nm. Ferrozine-based colorimetric assays can quantify iron in cells
    Ferrozine
  • HY-138200
    Cy5 maleimide
    		99.43%
    Cy5 maleimide 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.
    Cy5 maleimide
  • HY-126823
    Phen Green SK diacetate (5/6-mixture)
    Phen green SK (PGSK) diacetate is a fluorescent heavy metal indicator that reacts with a variety of metal ions, including Fe2+, Cd2+, Co2+, Ni2+, Zn2+. PGSK diacetate displays excitation/emission maxima of 507/532 nm, respectively, and fluorescence is quenched upon interaction with metal ions
    Phen Green SK diacetate (5/6-mixture)
  • HY-B1335
    Pentetic acid
    		≥98.0%
    Pentetic acid (Diethylenetriaminepentaacetic acid) is an orally active compound with biodegradability used to construct magnetic adsorbent, which can simultaneously remove heavy metal and dye from complex wastewater. Pentetic acid can form strong metal complexes, which prevents metal ions from catalysing the decomposition of peroxygen chemicals, especially hydrogen peroxide.
    Pentetic acid
  • HY-124409
    WSP-1
    		99.03%
    WSP-1 is a selective and rapid-reaction H2S specific fluorescent dye (Ex/Em=465/515 nm). WSP-1 reacts with H2S with the releasing of fluorophore.
    WSP-1
  • HY-66021
    6-FAM
    		99.88%
    6-FAM (6-Carboxyfluorescein) is an isomer of carboxyfluorescein and is mainly used for sequencing and labeling of nucleic acids.
    6-FAM
Cat. No. Product Name / Synonyms Application Reactivity