Protein Labeling Reagents

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™ 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™ 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™ 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™ Pierce™ Iodination Tubes

Reliably label (iodinate) proteins and peptides with iodine-125 using glass test tubes that are pre-coated (activated) with iodination 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™ 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.

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™ 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™ EZ-Link™ Sulfo-NHS-LC-LC-Biotin

Biotinylate protein amines (e.g., lysines) with this doubly long (30.5A), 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™ 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™ 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™ 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™ DyLight™ Orange Specialty Dyes

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

Thermo Scientific™ Pierce™ Iodination Beads

Easily and gently label (iodinate) proteins and peptides with iodine-125 using reagent-coated polystyrene beads that can be removed following reaction.

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™ 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™ 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™ DyLight™ Quencher Specialty Dyes

Quench fluorescence resonance energy transfer (FRET) applications involving DyLight Fluors or other fluorescent probes using these non-fluorescent dyes.

Thermo Scientific™ DyLight™ 800 4xPEG Maleimide

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

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™ Hydrazide-Biotin

Biotinylate glycoproteins (aldehydes of oxidized sugars) with this simplest and shortest (15.7A) hydrazide-activated biotinylation reagent.

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™ 650 4xPEG NHS Ester

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

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™ EZ-Link™ Amine-PEG3-Biotin

Biotinylate proteins or surfaces using EDC or other amine-reactive crosslinkers with a mid-length (22.9A) biotinylation reagent containing a 3-unit polyethylene glycol spacer.

Thermo Scientific Pierce™ Premium Grade Sulfo-NHS-LC-Biotin

Optimize applications where product integrity and risk minimization are paramount with our highest quality formulation of this popular amine-reactive 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™ EZ-Link™ Pentylamine-Biotin

Biotinylate proteins or surfaces using EDC or other amine-reactive crosslinkers with this short (18.9A) biotinylation reagent.

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