Protein Labeling Reagents
Invitrogen™ Alexa Fluor™ 546 C5 Maleimide
Alexa Fluor™ 546 is a bright, orange fluorescent dye that can be excited using the 488 nm or 532 nm laser lines.
Molecular Probes™ Alexa Fluor™ 488 TFP ester
Alexa Fluor™ dyes are reactive molecules that can be used to add a fluorescent label to the primary amines (R-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.
Invitrogen™ Fluorescein-5-Isothiocyanate (FITC 'Isomer I')
Fluorescein-5-Isothiocyanate (FITC 'Isomer I')
Invitrogen™ Alexa Fluor™ 647 Cadaverine
Alexa Fluor™ 647 Cadaverine is useful as a polar tracer and as a reactive dye for labeling proteins via a carboxylic acid moiety.
Thermo Scientific™ Fluorescein-5-Maleimide
Activated derivatives of green-fluorescent fluorescein dye to label antibodies, proteins and other molecules for fluorescence imaging (ex 494; em 518).
Invitrogen™ BODIPY™ TR Cadaverine (5-(((4-(4,4-Difluoro-5-(2-Thienyl)-4-Bora-3a,4a-Diaza-s-Indacene-3-yl)phenoxy)acetyl)amino)pentylamine, Hydrochloride)
BODIPY™ TR Cadaverine (5-(((4-(4,4-Difluoro-5-(2-Thienyl)-4-Bora-3a,4a-Diaza-s-Indacene-3-yl)phenoxy)acetyl)amino)pentylamine, Hydrochloride)
Invitrogen™ Cascade Blue™ hydrazide, Trisodium Salt
The cell-impermeant, fixable, polar tracer Cascade Blue™ hydrazide can be used to investigate cell-cell and cell-liposome fusion as well as membrane permeability and transport through gap junctions or cell uptake during pinocytosis.
Invitrogen™ Alexa Fluor™ 680 NHS Ester (Succinimidyl Ester)
Alexa Fluor™ 680 is a bright and photostable near-IR dye that is spectrally similar to the Cy5.5 dye.
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.
Molecular Probes™ Alexa Fluor™ 488 5-SDP Ester (Alexa Fluor™ 488 Sulfodichlorophenol Ester)
Alexa Fluor™ 488 5-SDP ester (Alexa Fluor™ 488 sulfodichlorophenol ester)
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.
Thermo Scientific™ EZ-Link™ Maleimide-PEG11-Biotin
Biotinylate reduced cysteines with this long, maleimide-activated, sulfhydryl-reactive biotinylation reagent with an 11-unit PEG spacer arm to enhance solubility and reach.