Protein Labeling Reagents

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™ Pierce™ Fluorescence Biotin Quantitation Kit

Determine biotinylation levels in labeled antibodies and other proteins using this fluorescent assay reagent and HABA dye for rapid and sensitive measurement.

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™ 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™ 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.

Thermo Scientific™ DyLight™ Green Specialty Dyes

Label amine-containing molecules for fluorescence imaging or flow cytometry with these rhodamine-based, 488 to 532 laser-detectable, green-emitting NHS ester fluorescent dyes.

Thermo Scientific™ EZ-Link™ Sulfo-NHS-LC-Biotin and Labeling Kits Available on GSA/VA Contract for Federal Government customers only.

Biotinylate protein amines (e.g., lysines) with this very popular mid-length (22.4A), water-soluble, NHS-ester biotinylation reagent for antibody or cell-surface labeling.

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™ 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-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™ 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™ DyLight™ 755 4xPEG NHS Ester

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

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

Biotinylate glycoproteins (aldehydes of oxidized sugars) with a mid-length (27.0A), pegylated biotinylation reagent containing a 4-unit PEG spacer for length and solubility.

Thermo Scientific™ Pierce™ Biotin-PEG3-Phosphine

Label azide-tagged molecules for metabolic labeling (Staudinger ligation) and streptavidin detection using this phosphine-activated biotinylation reagent.

Thermo Scientific™ DyLight™ Red Specialty Dyes

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

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™ DyLight™ Fluor Phosphine Reagents

Label and detect azide-tagged molecules for metabolic labeling (Staudinger ligation) for fluorescence assays with phosphine-activated fluorescent dyes.

Thermo Scientific™ DyLight™ Yellow Specialty Dyes

Label amine-containing molecules for fluorescence imaging or flow cytometry with these rhodamine-based, yellow-emitting (532 to 546 laser) NHS ester fluorescent dyes.

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).

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™ NHS-PEG Solid-Phase Biotinylation Kit

Biotinylate protein amines with greater control over the amine-labeling reaction and antibody cleanup process using this column-based method of antibody biotinylation.

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

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

Thermo Scientific™ Pierce™ Iodination Reagent

Activate iodine for incorporation of iodine-125 labels into protein tyrosyl groups using this tetrachloro-diphenyl-glycoluril oxidizing agent.

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

Biotinylate DNA or RNA via intercalation and conjugation with thymine- and other pyrimidine-containing bases with this light-activated biotinylation reagent.

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™ 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™ AMCA Fluorescent Dyes

Label antibodies, proteins and other molecules for fluorescence imaging with these activated forms of aminomethyl coumarin acetate (AMCA) blue-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™ Alkoxyamine-PEG4-SS-PEG4-Biotin

Biotinylate glycoproteins (aldehydes of oxidized sugars) with a cleavable, long (56.6A), pegylated biotinylation reagent containing a reducible disulfide bond and PEG spacer.

Thermo Scientific™ DyLight™ 680-4xPEG Sulfhydryl-Reactive Dye

Fluorescently label cysteine-containing peptides, proteins or other biomolecular probes with this maleimide-activated derivative of our high-performance DyLight 680 Dye.

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