fluorescein

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

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.

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.

PtdIns-(3,4,5)-P3 acts as a second messenger. PtdIns-(3,4,5)-P3-fluorescein triethylammonium serves as a fluorescent probe designed to detect proteins that bind with high affinity to inositol-(3,4,5)-triphosphate phospholipids.

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

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.

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.

3,6-Dichlorofluorescein is a fluorescein compound used for spot tests of drugs containing amino and heterocyclic nitrogen.

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.

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

6-FITC is a commonly used green fluorescent labeling dye and a fluorescein isothiocyanate derivative with excitation and emission wavelengths of 495 nm and 520 nm, respectively. 6-FITC can covalently bind to amino groups in proteins, antibodies, or peptides, making it suitable for a variety of applications, including flow cytometry, fluorescence microscopy, and tissue section staining. Since FITC itself is not cell-permeable, it is typically used to label surface antigens on live cells; however, it can also be used for intracellular protein detection after cell fixation or permeabilization.

FITC is a green fluorescein derivative. FITC is often used to label biological macromolecules such as antibodies and proteins. FITC can also be used to label nucleic acids. FITC can be used as a fluorescent probe to detect cell viability, cell apoptosis, etc. FITC showed a maximum excitation wavelength of 494 nm and yellow-green fluorescence at a maximum emission wavelength of 520 nm.

5(6)-FITC (Fluorescein isothiocyanate), or Fluorescein 5(6)-isothiocyanate, is a versatile amine-reactive derivative of fluorescein dye. It serves as an effective label for antibodies and other probes, finding utility in fluorescence microscopy, flow cytometry, and immunofluorescence-based assays such as ELISA and Western blotting.

NUN 89065, also known as N-(Azido-PEG2)-N-Fluorescein-PEG4-acid, is a fluorescein dye derivative featuring terminal azido and carboxylic acid groups. The azido group facilitates PEGylation through click chemistry, while the carboxylic acid group can react with primary amines in the presence of activators (e.g., EDC or DCC) to form stable amide bonds. Currently, this product lacks an official name, and thus, this temporary designation is used according to MedKoo's chemical naming rules [see website: https://www.medkoo.com/page/naming].

HEX azide, 6-isomer, derived from the fluorescent dye hexachlorofluorescein (HEX), is suitable for labeling oligonucleotides [1].

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.

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.