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- AAT iFluor - Reactive Dyes
AAT iFluor - Reactive Dyes
iFluor™ reactive dyes may be covalently labeled to biomolecules without self-quenching, producing intensely fluorescent conjugates. They are widely used to modify amino acids, peptides, proteins (in particular antibodies), oligonucleotides, nucleic acids, carbohydrates and other biological molecules. iFluor™ reactive dye formats include amine-reactive succinimidyl ester, thiol-reactive maleimide, and more.
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- Succinimidyl Esters: for labeling primary amines (-NH2) on proteins, antibodies, peptides, nucleic acids, and other biomolecules. They are commonly used to prepare bioconjugates for immunochemistry, fluorescence in situ hybridization (FISH), cell tracing, receptor labeling, and fluorescent analog cytochemistry.
- Maleimides: for labeling thiols or sulfhydryl groups (-SH) to selectively modify a protein at a defined site. Thiol-reactive dyes are often used to prepare fluorescent peptides, proteins, and oligonucleotides for probing biological structures, functions, and interactions.
- Azides: for labeling ethylene groups via Cu(I)-catalyzed Alknye-Azide (CUAAC) or Cu(I)-free strain-promoted Alkyne-Azide Click Chemistry (SPAAC) reaction.
- Alkynes: for labeling azide groups via Cu(I)-catalyzed Alknye-Azide (CUAAC) or Cu(I)-free strain-promoted Alkyne-Azide Click Chemistry (SPAAC) reaction.
- Carboxylic acids: for labeling amines after pre-activation with carbodiimides or for Steglich esterification of alcohols.
- Amines: for labeling various electrophilic compounds such as activated esters.