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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-147150
    8-Azido-cADPR
    8-Azido-cADPR, with its photoactive azido group, is a potent photoaffinity probe. 8-Azido-cADPR can be used for the identification and characterization of cADPR-binding proteins. 8-Azido-cADPR 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.
    8-Azido-cADPR
  • HY-P2296
    Abz-FRLKGGAPIKGV-EDDNP TFA
    Abz-FRLKGGAPIKGV-EDDNP TFA is a fluorogenic substrate used to measure the enzymatic activities of protease forms, such as papain-like protease 2 (PLP2) from severe acute respiratory syndrome coronavirus (SARS-CoV). Abz-FRLKGGAPIKGV-EDDNP TFA has the potential for study 2019-nCoV (COVID-19) infection.
    Abz-FRLKGGAPIKGV-EDDNP TFA
  • HY-175133
    C6 Biotin phytoceramide (t18:0/6:0)
    C6 Biotin phytoceramide (t18:0/6:0) is an affinity probe that allows C6 phytoceramide to be detected or immobilized through interaction with the biotin ligand.
    C6 Biotin phytoceramide (t18:0/6:0)
  • HY-D0206
    Chromotropic acid disodium
    Chromotropic acid disodium 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.
    Chromotropic acid disodium
  • HY-D1420
    TCP-BP-SFAC
    TCP-BP-SFAC is a luminogenic molecule. TCP-BP-SFAC exhibits strong sky-blue delayed fluorescence in neat films, with photoluminescence (PL) peaks at ~483 nm and delayed fluorescence lifetimes of 5.4 to 5.7 μs.
    TCP-BP-SFAC
  • HY-D1782
    Selenomethylene blue
    Selenomethylene blue is an antioxidant and anti-inflammatory agent. Selenomethylene blue effectively inhibits the inflammatory paw edema in rats.
    Selenomethylene blue
  • HY-147171
    2,7-Bis(alloxycarbonylamino)-9-chloroacridine
    2,7-Bis(alloxycarbonylamino)-9-chloroacridine can be used as a fluorescent label.
    2,7-Bis(alloxycarbonylamino)-9-chloroacridine
  • HY-D1618
    Cyanine3 maleimide tetrafluoroborate
    Cyanine3 maleimide tetrafluoroborate is a specific labeling reagent for sulfhydryl groups with the λex of 550 nm and λem of 580 nm. Cyanine3 maleimide tetrafluoroborate can be used for protein and peptide labeling.
    Cyanine3 maleimide tetrafluoroborate
  • HY-160920
    Sylsens B
    Sylsens B is a sensitizer and is not darkly toxic.
    Sylsens B
  • HY-141618
    5(6)-Carboxyrhodamine 110
    5(6)-Carboxyrhodamine 110 is an amine-reactive fluorescent probe for labeling DNA, cells and proteins (Ex/Em = 498/530 nm).
    5(6)-Carboxyrhodamine 110
  • HY-D0634
    Reactive Black 39
    Reactive Black 39 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.
    Reactive Black 39
  • HY-132601E
    Cy3 labled Cobomarsen sodium
    Cy3 labled Cobomarsen sodium is a Cy3 labled Cobomarsen sodium.
    Cy3 labled Cobomarsen sodium
  • HY-D2961
    SiR-CLIP
    SiR-CLIP is a SiR-carboxyl derivative used for covalent fluorescent labeling of CLIP tags.
    SiR-CLIP
  • HY-D2103
    TAMRA-PEG3-Maleimide
    TAMRA-PEG3-Maleimide is a dye derivative of TAMRA (HY-135640) containing 3 PEG units. TAMRA-PEG3-Maleimide contains maleimide groups that react with thiol groups to form covalent bonds.
    TAMRA-PEG3-Maleimide
  • HY-141091
    Biotin-PEG4-Dde-TAMRA-PEG3-Azide
    Biotin-PEG4-Dde-TAMRA-PEG3-Azide is a dye derivative of TAMRA (HY-135640) modified with a cleavable biotin group. Biotin-PEG4-Dde-TAMRA-PEG3-Azide 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.
    Biotin-PEG4-Dde-TAMRA-PEG3-Azide
  • HY-NP099
    Erythrina Cristagalli Lectin (Fluorescein)
    Erythrina Cristagalli Lectin (ECL) Fluorescein is a plant lectin that can be used as a probe to specifically bind biomolecules (such as polysaccharides, peptides, etc.).Erythrina Cristagalli Lectin (ECL) Fluorescein is a biological material or organic compound that can be used in life science research.
    Erythrina Cristagalli Lectin (Fluorescein)
  • HY-D1036
    Basic red 18 acetate
    Basic red 18 (acetate) is an alkaline dye that can be removed from aqueous solutions in intermittent adsorption systems using tree ferns as biosorbents.
    Basic red 18 acetate
  • HY-132598E
    Cy3 labled Miravirsen sodium
    Cy3 labled Miravirsen sodium is a Cy3 labled Miravirsen sodium.
    Cy3 labled Miravirsen sodium
  • HY-D2047
    ATTO 532 maleimide
    ATTO 532 maleimide is a new fluorescent marker based on the Rhodamine structure. It has strong absorption, high fluorescence quantum yield, high thermal stability and photochemical stability, and is suitable for single molecule detection and high-resolution microscopy. ATTO 532 maleimide is a maleimide derivative of ATTO 532, which can be used to label proteins or antibodies.
    ATTO 532 maleimide
  • HY-D1586
    Cyanine5 Boc-hydrazide chloride
    Cyanine5 Boc-hydrazide (chloride) is a cyanine5-labeled and Boc-protected hydrazide fluorescent dye.
    Cyanine5 Boc-hydrazide chloride
Cat. No. Product Name / Synonyms Application Reactivity