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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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Keyword Search:
1 – 15 of 3,106 results
1

Invitrogen™ Alexa Fluor™ 488 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 488 is a bright, green-fluorescent dye with excitation ideally suited for the 488 nm laser line.

EDGE ENCOMPASS_PREFERRED
Shipping Condition Room Temperature
Content And Storage Store in freezer (-5 to -30°C) and protect from light.
Product Type Dye
Label or Dye Alexa Fluor™ 488
Emission 517 nm
Excitation 494 nm
Label Type Alexa Fluor
Chemical Reactivity Amine
Product Line Alexa Fluor
2

Invitrogen™ pHrodo™ Dyes for Amine Labeling

Amine-reactive and TFP ester pHrodo dyes enable accurate measurement of cell endocytosis and phagocytosis, with low signal-to-background, for use in live cell assays.

EDGE ENCOMPASS_PREFERRED
Shipping Condition Room Temperature
Label Type pHrodo (pH sensitive)
Chemical Reactivity Amine
Product Line pHrodo
3

Thermo Scientific™ EZ-Link™ Sulfo-NHS-Biotin
GSA_VA

Thermo Scientific™ EZ-Link™ Sulfo-NHS-Biotin is a short-chain, water-soluble biotinylation reagent for labeling antibodies, proteins and other molecules that have primary amines.

EDGE
Cell Permeability Cell-Impermeant
Product Type Sulfo-NHS-Biotin
Spacer Short
Label or Dye Biotin
Solubility DMF (Dimethylformamide),DMSO (Dimethylsulfoxide),Water
Chemical Reactivity Amine
Product Line EZ-Link
4

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 ENCOMPASS_PREFERRED
Emission 672 nm
Excitation 651 nm
5

Thermo Scientific™ DyLight™ 594 NHS Ester

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

EDGE
Labeling Target Proteins
Content And Storage Store desiccated at -20°C.
Product Type Dye
Label or Dye DyLight™ 594
Reactive Moiety Active Ester, Succinimidyl Ester, NHS Ester
Solubility DMF (Dimethylformamide)
Emission 618
Excitation 593
Label Type DyLight Fluors
Chemical Reactivity Amine
Product Line DyLight
6

Invitrogen™ Alexa Fluor™ 647 Hydrazide

Alexa Fluor™ 647 Hydrazide is useful as a cell tracer and as a reactive dye for labeling aldehydes or ketones in polysaccharides or glycoproteins.

EDGE ENCOMPASS_PREFERRED
7

Invitrogen™ Alexa Fluor™ 568 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 568 is a bright orange dye. Used for stable signal generation in imaging and flow cytometry, Alexa Fluor™ 568 dye is water soluble and pH-insensitive from pH 4 to pH 10.

EDGE ENCOMPASS_PREFERRED
Shipping Condition Room Temperature
Content And Storage Store in freezer (-5 to -30°C) and protect from light.
Product Type Dye
Label or Dye Alexa Fluor™ 568
Reactive Moiety Active Ester, Succinimidyl Ester
Emission 602 nm
Excitation 578 nm
Label Type Alexa Fluor
Chemical Reactivity Amine
Product Line Alexa Fluor
8

Molecular Probes™ pHrodo™ Green STP Ester

pHrodo™ Green STP Ester

EDGE ENCOMPASS_PREFERRED
9

Invitrogen™ Click-iT™ Protein Reaction Buffer Kit
GREENER_CHOICE

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

ENCOMPASS_PREFERRED
10

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

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

ENCOMPASS_PREFERRED
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
11

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

EDGE
Label Type Biotin & Analogs
12

Thermo Scientific™ EZ-Link™ NHS-PEG4-Biotin

Thermo Scientific™ EZ-Link™ NHS-PEG4-Biotin is a pegylated, water-soluble reagent for simple and efficient biotin labeling of antibodies, proteins and other primary amine-containing macromolecules.

EDGE
Cell Permeability Cell-Impermeant
Content And Storage Store at -20°C.
Product Type NHS-PEG4-Biotin
Label or Dye Biotin
Solubility DMF (Dimethylformamide),DMSO (Dimethylsulfoxide),Water
Chemical Reactivity Amine
Product Line EZ-Link
13

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.

EDGE ENCOMPASS_PREFERRED
14

Invitrogen™ Dansyl Ethylenediamine, 5-Dimethylaminonaphthalene-1-(N-(2-Aminoethyl))sulfonamide

5-dimethylaminonaphthalene-1-(N-(2-aminoethyl))sulfonamide (dansyl ethylenediamine)

EDGE ENCOMPASS_PREFERRED
15

Molecular Probes™ pHrodo™ Red, succinimidyl ester (pHrodo™ Red, SE)

New pH-sensitive pHrodo™ Red dye conjugates give faster and more accurate results than any other phagocytosis assay.

EDGE ENCOMPASS_PREFERRED