fluorescein

Fluorescein (Solvent Yellow 94) is a phthalic indicator dye, use as a synthetic fluorescent tracer.

Fluorescein Sodium (VST-1001) is a phthalic indicator dye. It is used therapeutically as a diagnostic aid in corneal injuries and corneal trauma.

Rose Bengal sodium is a potent inhibitor of VGlut and vesicular monoamine transporter (VMAT) (Ki of 19 and 64 nM for VGlut andVMAT, respectively）

Fluorescein-5-maleimide (N-(5-Fluoresceinyl)maleimide) is a fluorescent thiol-reactive dye (excitation: 494 nm, emission: 519 nm).

Fluorescein Biotin is a biotin-substituting fluorescent dye that detects and quantifies biotin binding sites by fluorescence or absorbance.Fluorescein Biotin undergoes fluorescence quenching when bound to avidin or streptavidin.

Fluorescein di(β-D-galactopyranoside) is a fluorogenic substrate for β-galactosidase (λem=535 nm, λex=485 nm).

Fluorescein O-methacrylate (Methacryloyloxy fluorescein) is a pH-sensitive dye characterized by fluorescent monomer properties with an excitation spectrum at 490nm and an emission spectrum at 520nm. It serves as an indicator and is noted for its minimal negative charge, biocompatibility, non-toxicity, and good dispersibility in aqueous solutions.

Fluorescein O-acrylate (Acryloyloxy fluorescein) is a highly efficient fluorescent monomer that exhibits high quantum yield in aqueous solutions, with its excitation and emission wavelengths positioned within the visible light spectrum. This versatile monomer can copolymerize with various compounds such as acrylic acid, styrene, and acrylamide, enhancing its binding capabilities with macromolecules.

Fluorescein O,O′-diacrylate (Diacryloyloxyfluoresin) is a fluorescent compound known for its excellent biocompatibility and cellular labeling capabilities. It is frequently utilized in biological imaging and cell tracking studies to effectively mark cells and monitor their dynamic changes within an organism. Fluorescein O,O′-diacrylate is also applied in compound delivery systems to enhance the precision of compound localization and its inhibitory effects. Additionally, it is used in the preparation of polymer materials to improve their optical properties and biological interactions.

Biotin (5-fluorescein) conjugate (N-(Fluorescein-5-carbamidoethyl)biotinamide) is a fluorescent biotin derivative known for its high efficiency in cell labeling. This conjugate is utilized in biomedical research to detect and localize target molecules. It is extensively used in immunofluorescence staining experiments to enhance sensitivity and specificity.

dTAG-Fluorescein is a fluorescent probe used for labeling FKBP12 fusion proteins.

Fluorescein diphosphate tetraammonium is a fluorescent dye and a fluorescent phosphatase substrate that is hydrolyzed into highly fluorescent fluorescein after interaction with phosphatases.

Fluorescein-maleimide is a fluorescein dye conjugate containing a maleimide group. In the pH range of 6.5 to 7.5, the maleimide components in fluorescein-maleimide react with thiol-containing compounds or biomolecules to form thioester bonds. This compound is specifically used for the fluorescent labeling of proteins, nucleic acids, or other molecules that have one or more thiol groups.

Fluorescein-12-dATP is a fluorescent dye utilized as a detection probe. It can be employed to label thrombin-binding aptamers through the catalytic polymerization by TdT (terminal deoxynucleotidyl transferase).

Fluorescein-PEG4-NHS ester, a chromogenic probe, is synthesized through the reaction of adipic acid dihydrazide and fluorescein isothiocyanate.

Hydroxyphenyl Fluorescein (HPF) is a cell-permeable fluorescent dye for the detection of highly reactive oxygen species with little or no intrinsic fluorescence.Hydroxyphenyl Fluorescein can be used in fluorescent enzyme labeling and flow cytometry, and can be used to Neurodegeneration and aging. Fluorescence wavelength: Ex/Em = 490/515 nm.

Pentafluorobenzenesulfonyl fluorescein itself no fluorescence, but were in the H2O2 in sulfonyl key fluoresce when hydrolyzed. Pentafluorobenzenesulfonyl fluorescein is often treated as selective H2O2 sensors, can be used for the detection of H2O2 content in the cell.

Fluorescein-6-isothiocyanate is a fluorescein derivative whose isothiocyanate group binds to nucleophilic reagents such as amines, thiols, and carbonyl groups on proteins. With an emission/excitation wavelength of 495/520 nm, 6-FITC can label antibodies, proteins, and peptides.

Fluorescein Di-β-D-Glucuronide, a fluorescent probe, enables non-invasive imaging of intestinal bacterial β-glucuronidase activity in nude mice. Its utilization for both in vitro and in vivo imaging provides valuable insights into bacterial β-glucuronidase activity, thereby enhancing pharmacodynamic research on specific inhibitors in animal models [1].

MTSEA-Fluorescein is a fluorescent probe utilized in ion channel research [1]. Store protected from light.

Fluorescein octadecyl ester, a lipophilic fluorescent reagent, is immobilized in a plasticized PVC membrane for use in the reversible detection of alcohol molecules, enabling the determination of ethanol concentration in alcoholic beverages. Additionally, it serves as an acceptor in the fabrication of optrode membranes for picric acid quantification [1] [2].

Fluorescein hydrazide, a colorimetric probe synthesized through the reaction of dihydrazine adipate with fluorescein isothiocyanate, serves to label aldehyde and ketone groups [1] [2].

5-Bromomethyl-fluorescein is a versatile dye utilized in various biological experiments. Dyes are crucial for observing cell structures, tracking biomolecules, evaluating cellular functions, distinguishing cell types, detecting biomolecules, studying tissue pathology, and monitoring microorganisms. Their applications extend from fundamental research to clinical diagnostics. Additionally, dyes are employed in traditional areas like textile dyeing and in new areas such as functional textile processing, food pigments, and dye-sensitized solar cells.

5MP-Fluorescein (compound 3e), a fluorescein dye derived from 5-Methylene pyrrolone (5MP), exemplifies a bioconjugation tool that is both highly thiol-specific and can be removed without a trace [1].