Protein Labeling Reagents

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™ TFPA-PEG3-Biotin

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

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™ 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™ 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™ Pierce™ Biotin Quantitation Kit Available on GSA/VA Contract for Federal Government customers only.

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

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™ 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™ Pierce™ Biotin-PEG3-Phosphine

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

Thermo Scientific™ EZ-Link™ Alkoxyamine-PEG12-Biotin

Biotinylate glycoproteins (aldehydes of oxidized sugars) with a very long (55.4A), pegylated biotinylation reagent containing a 12-unit PEG spacer for length and solubility.

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™ HPDP-Biotin Available on GSA/VA Contract for Federal Government customers only.

Biotinylate reduced protein or peptide cysteines with this pyridyldithiol-activated, sulfhydryl-reactive biotinylation reagent containing a cleavable disulfide bond.

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™ 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™ Amine-PEG2-Biotin

Biotinylate proteins or surfaces using EDC or other amine-reactive crosslinkers with this short (20.4A) biotinylation reagent containing a 2-unit polyethylene glycol spacer.

Thermo Scientific™ EZ-Link™ Hydrazide-Biocytin

Biotinylate glycoproteins (aldehydes of oxidized sugars) with this short (19.7A) hydrazide-activated biotinylation reagent which also contains a second amine for conjugation.

Thermo Scientific™ EZ-Link™ Biocytin

Synthesize long or trifunctional biotinylation reagents using this biotin variant containing a primary amine in its valeric acid chain.

Thermo Scientific™ EZ-Link™ NHS-PEG4-Biotin and Labeling Kits Available on GSA/VA Contract for Federal Government customers only.

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™ 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™ 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 Pierce™ EZ-Link™ Sulfo NHS-LC-LC-Biotin, No-Weigh Format

Thermo Scientific EZ-Link Sulfo-NHS-LC-LC-Biotin enables simple and efficient biotin labeling of antibodies, proteins, and any other primary amine–containing macromolecules.

Thermo Scientific™ Pierce™ HABA Reagent

A colored, biotin assay reagent HABA (4'-hydroxyazobenzene-2-carboxylic acid) to measure biotinylation levels of biotinylated antibodies or proteins.

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™ 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™ 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™ 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-SS-Biotin and Labeling Kits Available on GSA/VA Contract for Federal Government customers only.

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™ Pentylamine-Biotin

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

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

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

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

  spinner