Protein Labeling Reagents

Thermo Scientific™ DyLight™ Fluor Antibody Labeling Kits

Label and purify antibodies for fluorescence imaging assays in one hour with the full spectral range of activated DyLight Fluorescent Dye kits.

Thermo Scientific™ Pierce™ Dye Removal Columns

Affinity resin with spin columns to quickly bind and remove excess fluorescent dye from antibody (protein) solutions following labeling reactions.

Thermo Scientific™ DyLight™ 755 4xPEG NHS Ester

PEGylated NIR dye for enhanced fluorescence and reduced non-specific binding.

Thermo Scientific™ DyLight™ Near-IR Specialty Dyes

Label amine-containing molecules for fluorescence imaging or flow cytometry with these benzopyrillium- and cyanine-based, infrared-emitting (633 or 700 laser) NHS ester dyes.

Thermo Scientific™ DyLight™ Amine-Reactive Fluorescent Dyes

Label antibodies or other proteins as probes for fluorescence imaging assays with the full spectral range of NHS ester-activated DyLight Dyes.

Thermo Scientific™ EZ-Link™ Sulfo-NHS-Biotin and Labeling Kits

Biotinylate protein amines (e.g., lysines) with our shortest (13.5A), water-soluble, NHS-ester biotinylation reagent for antibody or cell-surface labeling.

Thermo Scientific™ Pierce™ FITC and Fluorescein Dyes and Labeling Kits

Activated derivatives of green-fluorescent fluorescein dye to label antibodies, proteins and other molecules for fluorescence imaging (ex 494; em 518).

Thermo Scientific™ EZ-Link™ NHS-SS-Biotin

Biotinylate protein amines with this cleavable, mid-length (24.3A), NHS-ester biotinylation reagent containing a reducible disulfide bond in the membrane-permeable spacer arm.

Thermo Scientific™ EZ-Link™ PFP-Biotin

Biotinylate primary amines in proteins as well as secondary amines in DNA or RNA with this very short (9.6A) pentafluorophenyl-ester biotinylation reagent.

Thermo Scientific™ EZ-Link™ NHS-SS-PEG4-Biotin

Biotinylate protein amines with this cleavable, long (37.9A) NHS-ester biotinylation reagent containing a reducible disulfide bond in the pegylated, water-soluble spacer arm.

Thermo Scientific™ EZ-Link™ TFP-PEG3-Biotin

Biotinylate primary amines (e.g., protein lysines) and secondary amines such as histidine and tryptophan with this tetrafluorophenyl-ester biotinylation reagent.

Thermo Scientific™ DyLight™ In Vivo Apoptosis Detection Kits and Reagents

Measure drug-induced changes in apoptosis in vivo (live animal imaging) using near-infrared DyLight Dye fluorescent polycaspase probes.

Thermo Scientific™ EZ-Link™ Sulfo-NHS-SS-Biotin and Labeling Kits

Biotinylate protein amines with this cleavable, mid-length (24.3A), water-soluble, NHS-ester biotinylation reagent containing a cleavable disulfide bond in the spacer arm.

Thermo Scientific™ DyLight™ 550 2xPEG Maleimide

PEGylated dye for enhanced fluorescence and reduced non-specific binding.

Thermo Scientific™ EZ-Link™ Hydrazide-PEG4-Biotin

Biotinylate glycoproteins (aldehydes of oxidized sugars) with this mid-length (31.3A), pegylated biotinylation reagent containing a 4-unit PEG spacer for solubility.

Thermo Scientific™ Pierce™ Sulfo-SHPP (Water-Soluble Bolton-Hunter Reagent)

Add tyrosine (tyrosyl) groups to proteins to increase the number of iodine-125 labeling (iodination) sites using an amine-reactive, NHS ester compound.

Thermo Scientific™ Pierce™ TRITC Rhodamine Dyes and Labeling Kits

Label antibodies, proteins and other molecules for fluorescence imaging (ex 546; em 572-615) using these activated derivatives of red-fluorescent rhodamine dye.

Thermo Scientific™ EZ-Link™ TFPA-PEG3-Biotin

Biotinylate molecules without common functional groups for coupling with this efficient, light-activated biotinylation reagent based on tetrafluorophenyl azide.

Thermo Scientific™ DyLight™ 680-4xPEG Amine-Reactive Dye and Kits

Fluorescently label antibodies and other proteins with Thermo Scientific™ DyLight 680-4xPEG Amine-Reactive Dye, a derivative of our high-performance DyLight 680 Dye.

Thermo Scientific™ EZ-Link™ Iodoacetyl-LC-Biotin

Biotinylate reduced cysteines (-SH groups) at high pH via irreversible thioether bonds with this haloacetyl-activated, sulfhydryl-reactive biotinylation reagent.

Thermo Scientific™ DyLight™ Sulfhydryl-Reactive Fluorescent Dyes

Label antibodies or other proteins as probes for fluorescence imaging assays with the full spectral range of maleimide-activated DyLight Dyes.

Thermo Scientific™ EZ-Link™ NHS-PEG Solid-Phase Biotinylation Kit

A column-based approach to antibody biotinylation and clean-up

Thermo Scientific™ DyLight™ 650 4xPEG Maleimide

PEGylated far-red dye for enhanced fluorescence and reduced non-specific binding.

Thermo Scientific™ EZ-Link™ NHS-PEG4-Biotin and Labeling Kits

Biotinylate protein amines and maximize solubility of proteins with this long (29.0A) NHS-ester biotinylation reagent containing a pegylated, water-soluble spacer arm.

Thermo Scientific™ Pierce™ Antibody Biotinylation Kit for IP

Label primary antibodies with biotin for use in agarose or magnetic bead immunoprecipitation experiments using the Thermo Scientific™ Pierce™ Antibody Biotinylation Kit for IP.

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.

Thermo Scientific™ DyLight™ Blue Specialty Dye

Label amine-containing molecules for fluorescence imaging and flow cytometry with this coumarin-based, 405 laser-detectable, blue-emitting, NHS ester fluorescent dye.

Thermo Scientific™ Pierce™ Azido-Sugars

Study glycoproteins using in vivo metabolic labeling and chemoselective ligation to phosphine reagents with these azide-tagged sugars (GlcNAz, GalNAz, ManNAz).

Thermo Scientific™ EZ-Link™ Amine-PEG11-Biotin

Biotinylate proteins or surfaces using EDC or other amine-reactive crosslinkers with this long (53.2A) biotinylation reagent containing an 11-unit polyethylene glycol spacer.

Thermo Scientific™ DyLight™ Long Stokes Shift Specialty Dyes

Label antibodies or other proteins for FRET and multiplex fluorescence assays using fluors with large Stokes shifts (488nm excitation; yellow to far-red emission).

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