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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-101878
    Texas Red
    		99.72%
    Texas Red (Sulforhodamine 101) is an amphoteric rhodamine red fluorescent dye (excitation/emission: 586/605 nm). Texas Red is used extensively for investigating neuronal morphology and acts as acell type-selective fluorescent marker of astrocytes bothin vivoand in slice preparations.
    Texas Red
  • HY-D1434
    FM1-43
    		99.85%
    FM1-43 is a very lipophilic, water-soluble styrene dyes, can specifically bind to cell membranes and inner membrane organelles to produce fluorescence. FM1-43 is widely used in endocytic and exospic membrane structure markers.
    FM1-43
  • HY-D0908
    Ninhydrin
    		99.99%
    Ninhydrin can be used as a chromogenic analytical probe for the quantification of amino acids and proteins.
    Ninhydrin
  • HY-126793
    2′,7′-Dichlorofluorescein diacetate
    		99.16%
    2′,7′-Dichlorofluorescein diacetate (DCFH2-DA) is a cell-permeable fluorescent probe. 2′,7′-Dichlorofluorescein diacetate can be used to detect the generation of reactive oxygen intermediates and for assessing the overall oxidative stress in toxicological phenomenon.
    2′,7′-Dichlorofluorescein diacetate
  • HY-N7131
    Coumarin 6
    		99.59%
    Coumarin 6, a fluorescent dye, is used as a fluorescent probe in a microparticle drug delivery system to conduct in vivo tracking, cell uptake, and transport mechanism studies of drug delivery systems (λexc=450 nm, λem=505 nm).
    Coumarin 6
  • HY-D1431
    ER-Tracker Red
    		98.21%
    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-137592
    Nicotinamide 1,N6-ethenoadenine dinucleotide
    		99.05%
    Nicotinamide 1,N6-ethenoadenine dinucleotide (ε-NAD) is a fluorescent analog of NAD. Nicotinamide 1,N6-ethenoadenine dinucleotide can be cleaved by phosphodiesterase I (from C. adamanteus venom) and binds to bovine liver glutamate dehydrogenase. Nicotinamide 1,N6-ethenoadenine dinucleotide can serve as a substrate for G-ADP ribosylation of G proteins catalyzed by bacterial toxins. Nicotinamide 1,N6-ethenoadenine dinucleotide can be used as a fluorescent substrate for the study of ADP ribosylation reactions.
    Nicotinamide 1,N6-ethenoadenine dinucleotide
  • HY-117695
    AQC
    AQC (6-Aminoquinolyl-N-hydroxysccinimidyl carbamate) is a reagent used for amino acid or protein sequence analysis by HPLC with fluorescence detection. AQC reacts with primary and secondary amino acids to yield fluorescent derivates, allowing amino acid detection at under-picomolar levels.
    AQC
  • 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-D1063
    IR-780
    		99.82%
    IR-780 is a near-infrared fluorescent probe for in vivo imaging of tumor cells. IR-780 is transported into tumor cells via OATPs and ABCB10, with uptake dependent on glycolytic activity and plasma membrane potential. IR-780 preferentially accumulates in tumor cell mitochondria, including those of drug-resistant cancer cells, without chemical conjugation. IR-780 generates reactive oxygen species (ROS), induces hyperthermia and apoptosis, inhibits tumor growth and recurrence, and modulates HSP70 expression upon ultrasound or 808 nm laser exposure. IR-780 acts as a sonosensitizer, photodynamic and photothermal agent, and drug delivery carrier, with low acute imaging-dose toxicity and rapid vital organ clearance. IR-780 can be used for the research of cancer, such as breast cancer, lung cancer, and non-small cell lung cancer (NSCLC).
    IR-780
  • HY-D1727
    CellTracker Red CMTPX
    CellTracker Red CMTPX is a cell-permeable fluorescent dye that can be used as a cell tracer for monitoring cell movement and location (Ex/Em=586/614 nm).
    CellTracker Red CMTPX
  • HY-118462
    Coelenteramine 400a
    		99.70%
    Coelenteramine 400a (Coelenterazine 400a), a derivative of Coelenterazine, is a Renilla luciferase (RLuc) substrate. In the presence of Coelenteramine 400a, RLuc can emit blue light at 395 nm. Coelenterazine 400a will causes color change in the bioluminescence reaction of Rluc by replacing the sulfur and oxygen heteroatoms of the methylene bridge. Coelenterazine 400a provides higher signal resolution and can be used in the research of bioluminescence resonance energy transfer (BRET).
    Coelenteramine 400a
  • HY-D0717
    DAF-FM DA
    		98.32%
    DAF-FM DA (Diaminofluorescein-FM diacetate) is a fluorescent probe for the detection and bioimaging of nitric oxide (NO). DAF-FM DA spontaneously crosses the plasma membrane and is subsequently cleaved by esterases to generate intracellular DAF-FM (Ex/Em=495/515 nm).
    DAF-FM DA
  • 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-D0799
    Sulfo-NHS-LC-Biotin sodium
    		98.01%
    Sulfo-NHS-LC-Biotin sodium is an amine-reactive ester derivative of biotin and cannot pass the intact blood-retinal barrier. It can be used to assess vascular permeability of the brain and retinal vasculature.
    Sulfo-NHS-LC-Biotin sodium
  • HY-D0257
    Tartrazine
    		99.85%
    Tartrazine (Acid Yellow 23; FD&C Yellow No. 5) is an orally active azo acid dye, orange-yellow powder, soluble in water and turns yellow. Tartrazine is mainly used as a synthetic lemon yellow azo dye for food coloring. Tartrazine is the most stable colorant.Tartrazine induces mitochondria-mediated Apoptosis. Tartrazine can cause neurodevelopmental toxicity, cytotoxicity, and genotoxicity.
    Tartrazine
  • HY-D0034
    9,10-Anthracenediyl-bis(methylene)dimalonic acid
    		98.00%
    9,10-Anthracenediyl-bis(methylene)dimalonic acid (ABMDMA) is a biological dye and indicator used to detect singlet oxygen generation (SOG). 9,10-Anthracenediyl-bis(methylene)dimalonic acid is water-soluble derivative of anthracene. 9,10-Anthracenediyl-bis(methylene)dimalonic acid can be photobleached by singlet oxygen to its corresponding endoperoxide. This reaction can be monitored spectrophotometrically by recording the decrease of absorbance at 400 nm.
    9,10-Anthracenediyl-bis(methylene)dimalonic acid
  • HY-D1808
    Vari Fluor 488-Streptavidin
    Vari Fluor 488-Streptavidin is a dye marker of Vari Fluor-streptavidin consisting of labeling streptavidin with a Vari Fluor series of fluorescent probes. Streptavidin is a high-affinity tetramer protein, each tetramer consisting of four identical streptavidin subunits. Streptavidin binds to biotin specifically via a reversible non-covalent effect. Streptavidin can achieve rapid and efficient detection of biotin markers, and is often used in immunofluorescence (IF), enzyme-linked immunosorbent assay (ELISA), immunohistochemical staining (IFH), in situ hybridization (ISH) and other experiments. Ex/Em=490 nm/515 nm.
    Product Concentration: 0.8 mg/mL
    Vari Fluor 488-Streptavidin
  • HY-101880
    ADHP
    		99.90%
    ADHP is a fluorogenic peroxidase substrate (λex=530 nm, λem=590 nm).
    ADHP
  • HY-100041
    Bromobimane
    		99.31%
    Bromobimane (Monobromobimane) is a nonfluorescent and converts into fluorescent products when reacts with thiols. Bromobimane has potential applications in labeling thiols.
    Bromobimane
Cat. No. Product Name / Synonyms Application Reactivity