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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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1 – 15 of 296 results
1

Thermo Scientific™ DyLight™ 800 Maleimide

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

2

Molecular Probes™ Alexa Fluor™ 488 TFP ester  DFS Item

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
3

Invitrogen™ Alexa Fluor™ 568 Hydrazide, for microinjection  DFS Item

Alexa Fluor™ 568 Hydrazide is useful as a cell tracer and as a reactive dye for labeling aldehydes or ketones in polysaccharides or glycoproteins.

4

Invitrogen™ Alexa Fluor™ 405 NHS Ester (Succinimidyl Ester)  DFS Item

Alexa Fluor™ 405 is a blue-fluorescent dye optimal for use with the 405 nm violet laser.

Shipping Condition Room Temperature
Product Type Dye
Label or Dye Alexa Fluor™ 405
Reactive Moiety Active Ester, Succinimidyl Ester
Label Type Alexa Fluor
Chemical Reactivity Amine
Product Line Alexa Fluor
5

Invitrogen™ Alexa Fluor™ 633 Hydrazide  DFS Item

Alexa Fluor™ 633 Hydrazide is useful as a cell tracer and as a reactive dye for labeling aldehydes or ketones in polysaccharides or glycoproteins.

6

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

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
7

Invitrogen™ Alexa Fluor™ 488 5-TFP (Alexa Fluor™ 488 Carboxylic Acid, 2,3,5,6-Tetrafluorophenyl Ester), 5-isomer  DFS Item

Alexa Fluor™ 488 5-TFP (Alexa Fluor™ 488 Carboxylic Acid, 2,3,5,6-Tetrafluorophenyl Ester), 5-isomer

8

Invitrogen™ BODIPY™ 630/650-X NHS Ester (Succinimidyl Ester)  DFS Item

BODIPY™ 630/650-X dye is bright, far-red fluorescent dye. It has a high extinction coefficient and fluorescence quantum yield and is relatively insensitive to solvent polarity and pH change.

11

Thermo Scientific™ EZ-Link™ Hydrazide-Biotin

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

12

Invitrogen™ Click-iT™ Protein Reaction Buffer Kit  DFS Item
GREENER_CHOICE

Click two moieties together: azide or alkyne and the corresponding click detection reagent

13

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

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

14

Invitrogen™ Click-IT™ Tetramethylrhodamine (TAMRA) Protein Analysis Detection Kit  DFS Item
GREENER_CHOICE

Supports differential analysis of glycoprotein subclasses, total proteins and total glycoproteins in the same gel

15

Invitrogen™ BODIPY™ FL-X NHS Ester (Succinimidyl Ester)  DFS Item

BODIPY™ FL-X dye is bright, green fluorescent dye with similar excitation and emission to fluorescein (FITC) or Alexa Fluor™ 488 dye.