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.
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.
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.
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.
Thermo Scientific™ DyLight™ 488 NHS Ester
Label antibodies or other proteins as probes for fluorescence imaging assays with the full spectral range of NHS ester-activated DyLight Dyes.
Invitrogen™ Alexa Fluor™ 594 NHS Ester (Succinimidyl Ester)
Alexa Fluor™ 594 is a bright red dye. Used for stable signal generation in imaging and flow cytometry, Alexa Fluor™ 594 dye is water soluble and pH-insensitive from pH 4 to pH 10.
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™ Alexa Fluor™ Plus Amine-Reactive Dyes
Discover Alexa Fluor Plus amine-reactive dyes, the next-generation fluorescent labeling solution. Engineered to minimize nonspecific staining and enhance signal-to-noise ratios, these dyes ensure precise detection of low-abundance targets. Achieve bright, reliable imaging with reduced background interference.
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™ 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™ 700 NHS Ester (Succinimidyl Ester)
Alexa Fluor™ 700 is a bright and photostable near-IR dye that can be excited with a xenon-arc lamp, far-red diode lasers, or dye pumped lasers operating in the 675–700 nm range.
Thermo Scientific™ Pierce™ Premium Grade Sulfo NHS-SS-Biotin
Biotin-label antibodies or other proteins and biomolecules in applications where product integrity and risk minimization are paramount with Thermo Scientific™ Pierce™ Premium Grade Sulfo-NHS-SS-Biotin, a high-quality formulation of this amine-reactive, cleavable biotinylation reagent.
Invitrogen™ Alexa Fluor™ 647 NHS Ester (Succinimidyl Ester)
Alexa Fluor™ 647 is a bright and photostable far-red dye with excitation ideally suited to the 633 nm laser line.
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.