Protein Labeling Reagents
Invitrogen™ Alexa Fluor™ 488 NHS Ester (Succinimidyl Ester)
Alexa Fluor™ 488 is a bright, green-fluorescent dye with excitation ideally suited for the 488 nm laser line.
Thermo Scientific™ NHS-Fluorescein (5/6-carboxyfluorescein succinimidyl ester), mixed isomer
Activated derivatives of green-fluorescent fluorescein dye to label antibodies, proteins and other molecules for fluorescence imaging (ex 494; em 518).
Invitrogen™ Acryloyl-X, SE (6-((acryloyl)amino)hexanoic acid, succinimidyl ester)
Acryloyl-X, SE (6-((acryloyl)amino)hexanoic acid, succinimidyl ester) is an amine-reactive molecule that enables crosslinking of acrylamide to proteins and other biomolecules containing amines.
Invitrogen™ Alexa Fluor™ 488 C5 Maleimide
Alexa Fluor™ 488 is a bright, green fluorescent dye with excitation ideally suited to the 488 nm laser line.
Invitrogen™ Click-iT™ Cell Reaction Buffer Kit
Clicks the two moieties together
Invitrogen™ Alexa Fluor™ 488 Cadaverine
Alexa Fluor™ 488 Cadaverine is useful as a polar tracer and as a reactive dye for labeling proteins via a carboxylic acid moiety.
Thermo Scientific™ EZ-Link™ NHS-LC-LC-Biotin
Biotinylate protein amines with this doubly-long-chain (30.5A), NHS-ester biotinylation reagent containing a membrane permeable spacer arm for intracellular labeling.
Invitrogen™ Alexa Fluor™ 405 NHS Ester (Succinimidyl Ester)
Alexa Fluor™ 405 is a blue-fluorescent dye optimal for use with the 405 nm violet laser.
Invitrogen™ Alexa Fluor™ 750 NHS Ester (Succinimidyl Ester)
Alexa Fluor™ 750 is a bright and photostable near-IR dye that is spectrally similar to Cy7.
Invitrogen™ Alexa Fluor™ 555 NHS Ester (Succinimidyl Ester)
Alexa Fluor™ 555 is a bright orange dye. Used for stable signal generation in imaging and flow cytometry, Alexa Fluor™ 555 dye is water soluble and pH-insensitive from pH 4 to pH 10.
Thermo Scientific™ EZ-Link™ Sulfo-NHS-SS-Biotin, No Weigh Format
Thermo Scientific™ EZ-Link™ Sulfo-NHS-SS-Biotin No-Weigh™ Format is a water-soluble, NHS-ester biotinylation reagent whose spacer arm includes a cleavable disulfide bond for reversible labeling of proteins and cell surface primary amines.
Molecular Probes™ Alexa Fluor™ Carboxylic Acid, tris(triethylammonium) salts
Alexa Fluor Carboxylic Acid tris(triethylammonium) salts are non-reactive forms of the Alexa Fluor dye that can be used as a reference standard for dye-conjugates. Choose from ten different Alexa Fluor free acid dyes that span the spectrum, from 350 to 750 nm, to meet your research needs.