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Crosslinking, Labeling and Protein Modification

A variety of reagents used to modify proteins for identification, analysis, research, and other applications.
Protein and Antibody Labeling Kits (37)
Protein Labeling Reagents (16)
Protein Modification Reagents (3)

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1 – 15 of 26 results
1

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.

2

Invitrogen™ Alexa Fluor™ 647 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 647 is a bright and photostable far-red dye with excitation ideally suited to the 633 nm laser line.

EDGE
Emission 672 nm
Excitation 651 nm
3
Promotions Available

Thermo Scientific™ DyLight™ Antibody Labeling Kits

Covalently label antibodies or proteins with DyLight dyes for use in immunofluorescence, flow cytometry, western blot analysis, and high content analysis.

EDGE
Labeling Target Antibodies,Proteins
Content And Storage Store the DyLight NHS Ester at -20°C. Store all other kit components at 4°C.
Product Type Labeling Kit
Quantity 3 reactions
Label Type DyLight™
Labeling Scale 0.5 to 1 mg
Chemical Reactivity Amine
Product Line DyLight
4

Thermo Scientific™ Pierce™ Cell Surface Biotinylation and Isolation Kit

The Thermo Scientific Pierce Cell Surface Protein Biotinylation and Isolation Kit enables the selective biotinylation, solubilization, and enrichment of plasma membrane proteins.

EDGE
5
Promotions Available

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.

6
Promotions Available

Thermo Scientific™ DyLight™ Microscale Antibody Labeling Kits

Label small batches of antibody for fluorescence microscopy, flow cytometry, IHC, western blots, ELISA, and more with DyLight Antibody Labeling kits.

Labeling Target Antibodies,Proteins
Content And Storage Store the DyLight NHS Ester at -20°C. Store all other kit components at 4°C.
Product Type Labeling Kit
Quantity 5 reactions
Label Type DyLight™
Labeling Scale 100 μg
Chemical Reactivity Amine
Product Line DyLight
7

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.

8

Invitrogen™ Alexa Fluor™ 680 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 680 is a bright and photostable near-IR dye that is spectrally similar to the Cy5.5 dye.

Shipping Condition Room Temperature
Product Type Dye
Emission 707 nm
Excitation 684 nm
Product Line Alexa Fluor
10

Invitrogen™ Alexa Fluor™ 594 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 594 is a bright red dye. Used for stable signal generation in imaging and flow cytometry, Alexa Fluor™ 594 dye is water soluble and pH-insensitive from pH 4 to pH 10.

Shipping Condition Room Temperature
Product Type Dye
Emission 617 nm
Excitation 590 nm
Product Line Alexa Fluor
11

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.

Shipping Condition Room Temperature
Product Type Dye
Emission 515 nm
Excitation 495 nm
Product Line Alexa Fluor
12

Invitrogen™ Alexa Fluor™ 555 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 555 is a bright orange dye. Used for stable signal generation in imaging and flow cytometry, Alexa Fluor™ 555 dye is water soluble and pH-insensitive from pH 4 to pH 10.

Shipping Condition Room Temperature
Product Type Dye
Emission 572 nm
Excitation 555 nm
Product Line Alexa Fluor
13

Invitrogen™ Alexa Fluor™ 750 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 750 is a bright and photostable near-IR dye that is spectrally similar to Cy7.

Shipping Condition Room Temperature
Product Type Dye
Emission 782 nm
Excitation 753 nm
Product Line Alexa Fluor
14

Invitrogen™ Alexa Fluor™ 633 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 633 is a bright and photostable far-red dye with excitation ideally suited to the 633 nm laser line.

Product Type NHS Ester (Succinimidyl Ester)
Label or Dye Alexa Fluor™ 633
Emission 639 nm
Excitation 621 nm
15

Thermo Scientific™ EZ-Link™ Maleimide-PEG Solid-Phase Biotinylation Kit - Mini-Spin Columns

Biotinylate reduced cysteines with greater control over the sulfhydryl-labeling reaction and antibody cleanup process using this column-based method of antibody biotinylation.