Protein Labeling Reagents

Various reagents designed to selectively label target proteins. Products include classic dyes, radioisotope labels, biotinylation reagents, fluorescent labels, molecular probes, assays, and labeling kits.

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166 – 180 of 3,053 results

166

Invitrogen™ Texas Red™ C₂ Maleimide

Texas Red™ C₂ maleimide

Pricing & Availability

167

Invitrogen™ QSY™ 21 Carboxylic Acid, Succinimidyl Ester

QSY™ 21 carboxylic acid, succinimidyl ester

Pricing & Availability

168

Molecular Probes™ Qdot™ 525 ITK™ Carboxyl Quantum Dots

Qdot™ 525 ITK™ Carboxyl Quantum Dots

Pricing & Availability

169

Molecular Probes™ Alexa Fluor™ 488 TFP ester

Alexa Fluor™ dyes are reactive molecules that can be used to add a fluorescent label to the primary amines (R-NH₂) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.

Pricing & Availability
Specifications

Shipping Condition	Room Temperature
Product Type	Dye
Emission	515 nm
Excitation	495 nm
Product Line	Alexa Fluor

170

Thermo Scientific™ DyLight™ 755 Maleimide

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

Pricing & Availability

171

Thermo Scientific™ EZ-Link™ Sulfo-NHS-SS-Biotin, No Weigh Format

Thermo Scientific™ EZ-Link™ Sulfo-NHS-SS-Biotin No-Weigh™ Format is a water-soluble, NHS-ester biotinylation reagent whose spacer arm includes a cleavable disulfide bond for reversible labeling of proteins and cell surface primary amines.

Pricing & Availability
Specifications

Chemical Reactivity	Amine

172

Invitrogen™ Alexa Fluor™ 514 NHS Ester (Succinimidyl Ester)

Used for stable signal generation in imaging and flow cytometry, Alexa Fluor™ 514 dye is water soluble and pH-insensitive from pH 4 to pH 10.

Pricing & Availability

173

Molecular Probes™ Alexa Fluor™ 790 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 790 is a bright and photostable near-IR dye that is spectrally similar to indocyanine green (ICG) and the IRDye™ 800 dye.

Pricing & Availability

174

Invitrogen™ 5-FAM, SE (5-Carboxyfluorescein, Succinimidyl Ester), single isomer

5-FAM, SE (5-Carboxyfluorescein, Succinimidyl Ester), single isomer

Pricing & Availability

175

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.

Pricing & Availability
Specifications

Cell Permeability	Cell-Impermeant
Content And Storage	Upon receipt store desiccated at -20° C. Product is shipped at ambient temperature.
Product Type	Sulfo-NHS-LC-Biotin
Spacer	Mid-length
Label or Dye	Biotin
Solubility	DMF (Dimethylformamide),DMSO (Dimethylsulfoxide),Water
Reactive Moiety	Active Ester, Succinimidyl Ester, Sulfo-NHS Ester
Label Type	Biotin & Analogs
Chemical Reactivity	Amine
Product Line	Pierce

176

Invitrogen™ BODIPY™ TMR-X NHS Ester (Succinimidyl Ester)

BODIPY™ TMR-X dye is bright, orange fluorescent dye with similar excitation and emission to tetramethyrhodamine (TRITC) or Alexa Fluor™ 555 dye.

Pricing & Availability

177

Molecular Probes™ Qdot™ 525 ITK™ Amino (PEG) Quantum Dots

Qdot™ 525 ITK™ Amino (PEG) Quantum Dots

Pricing & Availability

178

Invitrogen™ eBioscience™ Streptavidin Super Bright 702 Conjugate

eBioscience Streptavidin Super Bright 702 is a streptavidin-fluorochrome conjugate for indirect staining protocols to detect biotinylated primary antibodies in flow cytometry.