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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:
31 – 45 of 3,085 results
31
Promotions Available

Molecular Probes™ Alexa Fluor™ 647 Azide, Triethylammonium Salt

The far red-fluorescent Alexa Fluor™ 647 azide is reactive with terminal alkynes via a copper-catalyzed click reaction.

EDGE ENCOMPASS_PREFERRED
32
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Molecular Probes™ Alexa Fluor™ Carboxylic Acid, tris(triethylammonium) salts

Alexa Fluor Carboxylic Acid tris(triethylammonium) salts are non-reactive forms of the Alexa Fluor dye that can be used as a reference standard for dye-conjugates. Choose from ten different Alexa Fluor free acid dyes that span the spectrum, from 350 to 750 nm, to meet your research needs.

EDGE ENCOMPASS_PREFERRED
Content And Storage Store in freezer (-5 to -30°C). Protect from light.
Reactive Moiety Free acid
Quantity 5 mg
Label Type Alexa Fluor
Product Line Alexa Fluor
33

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.

EDGE
34

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

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.

EDGE
Chemical Reactivity Amine
35
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Invitrogen™ Biocytin (ε-Biotinoyl-L-Lysine)

Biocytin (ε-Biotinoyl-L-Lysine)

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36
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Invitrogen™ Biocytin Alexa Fluor™ 488 (Alexa Fluor™ 488 Biocytin, Disodium Salt)

Biocytin Alexa Fluor™ 488 (Alexa Fluor™ 488 Biocytin, Disodium Salt)

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37
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Invitrogen™ Alexa Fluor™ 700 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 700 is a bright and photostable near-IR dye that can be excited with a xenon-arc lamp, far-red diode lasers, or dye pumped lasers operating in the 675–700 nm range.

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™ 700
Reactive Moiety Active Ester, Succinimidyl Ester
Emission 723 nm
Excitation 702 nm
Label Type Alexa Fluor
Chemical Reactivity Amine
Product Line Alexa Fluor
38
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Invitrogen™ Biotin-4-Fluorescein

Biotin-4-fluorescein can be used to quantitate available biotin-binding sites or the concentration of avidin or streptavidin through the strong quenching associated when this molecule binds to avidin.

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39
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Invitrogen™ Alexa Fluor™ 594 C5 Maleimide

Alexa Fluor™ 594 is a bright, red fluorescent dye that can be excited using the 561 nm or 594 nm laser lines.

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40
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Molecular Probes™ pHrodo™ Red Maleimide

pHrodo™ Red Maleimide

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41
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Invitrogen™ 5-FAM, SE (5-Carboxyfluorescein, Succinimidyl Ester), single isomer

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

EDGE ENCOMPASS_PREFERRED
42

Invitrogen™ Click-iT™ Protein Reaction Buffer Kit
GREENER_CHOICE

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

EDGE ENCOMPASS_PREFERRED
43
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Molecular Probes™ Qdot™ 705 ITK™ Amino (PEG) Quantum Dots

Qdot™ 705 ITK™ Amino (PEG) Quantum Dots

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44
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Invitrogen™ Click-IT™ AHA (L-Azidohomoalanine)
GREENER_CHOICE

Non-radioactive technique

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45
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Invitrogen™ ARP (N-(aminooxyacetyl)-N'-(D-Biotinoyl) hydrazine, Trifluoroacetic Acid Salt)

ARP (N-(aminooxyacetyl)-N'-(D-Biotinoyl) hydrazine, Trifluoroacetic Acid Salt)

EDGE ENCOMPASS_PREFERRED