Protein Labeling Reagents

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™ 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™ 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™ 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 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™ 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™ 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™ EZ-Link™ NHS-LC-LC-Biotin

Biotinylate protein amines with this doubly-long-chain (30.5A), NHS-ester biotinylation reagent containing a membrane permeable spacer arm for intracellular labeling.

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™ 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™ 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™ Iodination Reagent

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

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™ 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™ 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-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™ Maleimide-PEG2-Biotin

Biotinylate reduced cysteines with this short, maleimide-activated, sulfhydryl-reactive biotinylation reagent containing a 2-unit PEG spacer arm to enhance water solubility.

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™ 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™ 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™ Pierce™ Biotin Quantitation Kit

HABA dye reagent and biotinylated protein standard for convenient colorimetric determination of biotinylation levels in antibodies and other proteins.

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™ 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™ EZ-Link™ NHS-PEG12-Biotin

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.

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

Biotinylate glycoproteins (aldehydes of oxidized sugars) with this mid-length (24.7A) hydrazide-activated biotinylation reagent.

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™ 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™ 550 2xPEG NHS Ester

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

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).

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