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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Invitrogen™ Alexa Fluor™ 555 Cadaverine

Alexa Fluor™ 555 Cadaverine is useful as a polar tracer and as a reactive dye for labeling proteins via a carboxylic acid moiety.

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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.

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Specifications

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

Invitrogen™ Alexa Fluor™ 680 C₂ Maleimide

Alexa Fluor™ 680 is a bright, near-infrared fluorescent dye with excitation ideally suited for the 633 nm laser line.

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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.

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Specifications

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

Invitrogen™ Alexa Fluor™ 350 NHS Ester (Succinimidyl Ester)

Used for stable signal generation in imaging and flow cytometry, Alexa Fluor™ 350 dye is water soluble and pH-insensitive from pH 4 to pH 10.

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Invitrogen™ Alexa Fluor™ 594 Hydrazide

Alexa Fluor™ 594 Hydrazide is useful as a cell tracer and as a reactive dye for labeling aldehydes or ketones in polysaccharides or glycoproteins.

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Invitrogen™ Alexa Fluor™ 594 Biocytin, Sodium Salt (Biocytin Alexa Fluor™ 594)

Alexa Fluor™ 594 biocytin, sodium salt (biocytin Alexa Fluor™ 594)

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Invitrogen™ Alexa Fluor™ 633 Hydrazide

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

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Invitrogen™ 3-Amino-3-Deoxydigoxigenin Hemisuccinamide, Succinimidyl Ester

3-amino-3-deoxydigoxigenin hemisuccinamide, succinimidyl ester

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Thermo Scientific™ DyLight™ 405 Maleimide

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

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Thermo Scientific™ Pierce™ Dye Removal Columns

Affinity resin with spin columns to quickly bind and remove excess fluorescent dye from antibody (protein) solutions following labeling reactions.

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Thermo Scientific™ EZ-Link™ Alkoxyamine-PEG12-Biotin

Biotinylate glycoproteins (aldehydes of oxidized sugars) with a very long (55.4A), pegylated biotinylation reagent containing a 12-unit PEG spacer for length and solubility.