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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-177613C
    FAM labled ALN-12115 sodium
    FAM labled ALN-12115 sodiumis a FAM labled ALN-12115 sodium.
    FAM labled ALN-12115 sodium
  • HY-W414334
    ICR-191 dihydrochloride
    ICR-191 dihydrochloride enhances Cisplatin (HY-17394)- DNA binding and sensitizes cells to cisplatin. ICR-191 dihydrochloride induces a significant increase in the expression of phosphorylated H2AX (γH2AX), particularly in DNA-replicating cells. ICR-191 dihydrochloride can be used for the study of leukemia.
    ICR-191 dihydrochloride
  • HY-D2071
    ATTO 680
    ATTO 680 is a new type of fluorescent dye with high fluorescence yield, which can be used for most labeling applications, maximum excitation/emission wavelength: 681/698 nm.
    ATTO 680
  • HY-147425D
    FAM labled Zerlasiran sodium
    FAM labled Zerlasiran sodium is a FAM labled Zerlasiran sodium (HY-147425A). Zerlasiran sodium is a siRNA targeting apolipoprotein A (ApoA). Zerlasiran sodium targets hepatic ApoA synthesis via RNA interference to degrade encoding mRNA. Zerlasiran sodium can be used for the research of atherosclerotic cardiovascular disease and elevated ApoA levels.
    FAM labled Zerlasiran sodium
  • HY-DY1070
    AQC (solution)
    AQC (6-Aminoquinolyl-N-hydroxysccinimidyl carbamate) (solution) 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.
    Solvent and concentration: DMSO: 10 mM
    The 1 mL volume is defined as the base specification. All larger sizes correspond to incremental volumes of this base.
    AQC (solution)
  • HY-D1862
    Cy7.5 alkyne chloride
    Cy7.5 alkyne chloride is a dye derivative of Cyanine 7.5 (Cy7.5) (HY-D0926) containing a sulfonate ion and an alkyne functional group. Cy7.5 is a near-infrared fluorescent dye commonly used for biolabeling and cell imaging. The alkyne functional group of Cy7.5 alkyne chloride can react with molecules containing the azide functional group to form covalent bonds. Cy7.5 alkyne chloride can bind to biological molecules such as proteins and antibodies to track their location and dynamic changes in biological samples.
    Cy7.5 alkyne chloride
  • HY-D1595
    BODIPY FL Cholesterol
    BODIPY FL Cholesterol is a green fluorescent, lipophilic probe. BODIPY FL Cholesterol can be used for the research of lipid transport processes and lipid-protein interactions.
    BODIPY FL Cholesterol
  • HY-172534
    BPN-01
    BPN-01 is a fluorescent probe targeting translocator protein (TSPO) and human epidermal growth factor receptor 2 (HER2) with binding affinities of -10.7 kcal/mol for TSPO and -11.3 kcal/mol for HER2. BPN-01 is promising for research of solid tumor imaging during fluorescence image-guided surgery (FIGS) (Ex/Em = 475/510 nm).
    BPN-01
  • HY-D2064
    ATTO 680 streptavidin
    ATTO 680 streptavidin is a streptavidin derivative of ATTO 680, it can label protein or antibody, the maximum excitation/emission wavelength: 681/698 nm.
    ATTO 680 streptavidin
  • HY-D3195
    CDr15
    CDr15 is a deep-red fluorescent probe (Ex=733 nm) that can selectively intercalate into and label bacterial extracellular DNA (eDNA). CDr15 exhibits extremely high specificity for biofilm imaging and cannot effectively bind to mammalian nuclear DNA. CDr15 enables real-time visualization of the microcolony structure and developmental process of three-dimensional *Pseudomonas aeruginosa* biofilms, and accurately localizes biofilm-forming regions of microorganisms in a mouse corneal infection model. With low background interference signals, CDr15 serves as an ideal diagnostic tool for research fields including bacterial biofilms and corneal infections.
    CDr15
  • HY-D1921
    ATTO 390 iodoacetamide
    ATTO 390 iodoacetamide is the iodoacetamide derivative of ATTO 390, the maximum excitation/emission wavelength: 390/476 nm.
    ATTO 390 iodoacetamide
  • HY-177639D
    Cy3 labled Lefelsiran sodium
    Cy3 labled Lefelsiran sodium is a Cy3 labled Lefelsiran sodium.
    Cy3 labled Lefelsiran sodium
  • HY-D1663
    APTAB
    APTAB is a fluorescent cationic membrane probe. APTAB locates the anthracene-labeled molecules incorporated into model membranes by fluorescence quenching.
    APTAB
  • HY-P3576
    Biotin-Gastrin Releasing Peptide, human
    Biotin-Gastrin Releasing Peptide, human is a biotinylated gastrin releasing peptide (GRP). Gastrin-releasing peptide (GRP) is a neuropeptide with growth-stimulatory and tumorigenic properties.
    Biotin-Gastrin Releasing Peptide, human
  • HY-D1607
    BODIPY FL SSE
    BODIPY FL SSE is a potent fluorescent dye. BODIPY FL SSE is used to label the primary amines (R-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. BODIPY FL SSE can reactive with primary amines on biomolecules to emit green fluorescence. (λex=502 nm, λem=511 nm).
    BODIPY FL SSE
  • HY-D1497
    Fluorescent Red Mega 480
    Fluorescent Red Mega 480 is a dye that is specifically designed for multicolor techniques. Fluorescent Red Mega 480 is characterized by an extremely large stoke′s shift between excitation and emission maxima.
    Fluorescent Red Mega 480
  • HY-177659D
    Cy3 labled Rimigorsen sodium
    Cy3 labled Rimigorsen sodium is a Cy3 labled Rimigorsen sodium.
    Cy3 labled Rimigorsen sodium
  • HY-147508
    SBP-2
    SBP-2 is a sulfite bioluminescent probe (SBP). The recognition of SBP-2 towards sulfite is based on the mechanism of a sulfite-mediated intramolecular cleavage reaction.
    SBP-2
  • HY-D2881H
    RB-PEG10000-COOH
    RB-PEG10000-COOH (Rhodamine B-PEG10000-COOH) is a fluorescent dye composed of Rhodamine B (HY-Y0016), PEG and a COOH. RRB-PEG10000-COOH can be used for fluorescent labeling and imaging (Ex/Em=546/610 nm).
    RB-PEG10000-COOH
  • HY-D2181
    Preactivated PE-Cy5.5 Maleimide
    Preactivated PE-Cy5.5 Maleimide is a Preactivated PE-Cy5.5 Maleimide, which is a dye that can be used to label molecules such as dye that can be used to label molecules such as antibodies.
    Preactivated PE-Cy5.5 Maleimide
Cat. No. Product Name / Synonyms Application Reactivity