Various reagents designed to selectively label target proteins. Products include classic dyes, radioisotope labels, biotinylation reagents, fluorescent labels, molecular probes, assays, and labeling kits.
Biotinylate protein amines and maximize solubility of proteins with this very long (56.0A) NHS-ester biotinylation reagent containing a pegylated, water-soluble spacer arm.
Label antibodies, proteins and other molecules for fluorescence imaging (ex 546; em 572-615) using these activated derivatives of red-fluorescent rhodamine dye.
Promotions are available
Fisher Scientific Edge Order before 2 pm dispatch today Order after 2 pm dispatch tomorrow Learn More
Label azide-tagged molecules for metabolic labeling (Staudinger ligation) and streptavidin detection using this phosphine-activated biotinylation reagent.
Biotinylate reduced cysteines with this short, maleimide-activated, sulfhydryl-reactive biotinylation reagent containing a 2-unit PEG spacer arm to enhance water solubility.
Biotinylate reduced cysteines (-SH groups) at high pH with this haloacetyl-activated, sulfhydryl-reactive biotinylation reagent containing polyethylene glycol for solubility.
Activated derivatives of green-fluorescent fluorescein dye to label antibodies, proteins and other molecules for fluorescence imaging (ex 494; em 518).
Biotinylate primary amines (e.g., protein lysines) and secondary amines such as histidine and tryptophan with this tetrafluorophenyl-ester biotinylation reagent.
Biotinylate protein amines and maximize solubility of proteins with this long (29.0A) NHS-ester biotinylation reagent containing a pegylated, water-soluble spacer arm.