Description

Flamma® Fluors 488 Vinylsulfone is pH insensitive reactive form of bright green dye that used to generate a stable fluorescence signal in bioimaging. Vinylsulfone reactive group, developed by BioActs’ leading technology, is stable in a wide range of pH and at the high temperature. The maxima of Ex/Em values are at 495/519 nm, similar to that of Alexa 488. Flamma 488 might be excited using 488 nm laser line and displays excellent optical property. Flamma 488 can be conjugated to low-abundance of biomolecules with great sensitivity and high d/P ratio, enabling sensitive detection. Vinylsulfones readily react with primary amines of amino-modified oligonucleotides or of proteins to form a stable amino linkage between dye and the biomolecule. We offer Flamma Fluors 488 Vinylsulfone for labeling of antibodies, peptides, proteins, ligands and amplification substrates optimized for cellular labeling and detection.  

Specifications

Fluorophore: Flamma® Fluors 488

Reactive group: Vinylsulfone

Excitation/Emission Max.(nm): 495/519 

Spectrally similar dyes: Alexa488, Cy2

Extinction coefficient: ≥ 41,000 cm-1M-1

CF280: 0.11

Appearance: Orange Solid

Molecular Weight: 653.66 g/mol

Solubility: DMSO

Storage conditions: 4 ℃, protect from light

Citation & Reference

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