Protein Labeling Reagents
Invitrogen™ SiteClick™ sDIBO Alkyne Kits for Antibody Labeling
Easily attach Alexa Fluor™ pHrodo™ and Biotin sDIBO Alkyne tags to azido-modified antibodies using SiteClick™ chemistry.
Molecular Probes™ pHrodo™ Red, succinimidyl ester (pHrodo™ Red, SE)
New pH-sensitive pHrodo™ Red dye conjugates give faster and more accurate results than any other phagocytosis assay.
Invitrogen™ Biotin-XX, SE (6-((6-((Biotinoyl)Amino)Hexanoyl)Amino)Hexanoic Acid, Succinimidyl Ester)
Biotin-XX, SE (6-((6-((Biotinoyl)Amino)Hexanoyl)Amino)Hexanoic Acid, Succinimidyl Ester)
Invitrogen™ Fluorescein-5-Isothiocyanate (FITC 'Isomer I')
Fluorescein-5-Isothiocyanate (FITC 'Isomer I')
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.
Invitrogen™ Dansyl Ethylenediamine, 5-Dimethylaminonaphthalene-1-(N-(2-Aminoethyl))sulfonamide
5-dimethylaminonaphthalene-1-(N-(2-aminoethyl))sulfonamide (dansyl ethylenediamine)
Invitrogen™ Alexa Fluor™ 594 C5 Maleimide
Alexa Fluor™ 594 is a bright, red fluorescent dye that can be excited using the 561 nm or 594 nm laser lines.
Molecular Probes™ Alexa Fluor™ 647 Azide, Triethylammonium Salt
The far red-fluorescent Alexa Fluor™ 647 azide is reactive with terminal alkynes via a copper-catalyzed click reaction.
Invitrogen™ Alexa Fluor™ 488 Hydrazide
Alexa Fluor™ 488 Hydrazide is useful as a cell tracer and as a reactive dye for labeling aldehydes or ketones in polysaccharides or glycoproteins.
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.
Invitrogen™ Biotin-4-Fluorescein
Biotin-4-fluorescein can be used to quantitate available biotin-binding sites or the concentration of avidin or streptavidin through the strong quenching associated when this molecule binds to avidin.
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.
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.
Thermo Scientific™ EZ-Link™ Iodoacetyl-PEG2-Biotin
Biotinylate reduced cysteines (-SH groups) at high pH with this haloacetyl-activated, sulfhydryl-reactive biotinylation reagent containing polyethylene glycol for solubility.
Invitrogen™ Biocytin Alexa Fluor™ 488 (Alexa Fluor™ 488 Biocytin, Disodium Salt)
Biocytin Alexa Fluor™ 488 (Alexa Fluor™ 488 Biocytin, Disodium Salt)