Protein Labeling Reagents

Protein Labeling Reagents
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Filtered Search Results

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.


Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Shipping Condition | Room Temperature |
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Label Type | pHrodo (pH sensitive) |
Chemical Reactivity | Amine |
Product Line | pHrodo™ |
Thermo Scientific™ EZ-Link™ Sulfo-NHS-LC-Biotin

Thermo Scientific™ EZ-Link™ Sulfo-NHS-LC-Biotin is an intermediate-length, water-soluble biotinylation reagent for labeling antibodies, proteins and other molecules that have primary amines.

Cell Permeability | Cell-Impermeant |
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Product Type | Sulfo-NHS-LC-Biotin |
Spacer | Mid-length |
Label or Dye | Biotin |
Solubility | DMF (Dimethylformamide),DMSO (Dimethylsulfoxide),Water |
Chemical Reactivity | Amine |
Product Line | EZ-Link™ |
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.

Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Emission | 672 nm |
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Excitation | 651 nm |
Molecular Probes™ Alexa Fluor™ 405 NHS Ester (Succinimidyl Ester)
Alexa Fluor™ 405 is a blue-fluorescent dye optimal for use with the 405 nm violet laser.


Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Shipping Condition | Room Temperature |
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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™ |
Thermo Scientific™ DyLight™ 510-LS NHS Ester
Label antibodies or other proteins for FRET and multiplex fluorescence assays using fluors with large Stokes shifts (488nm excitation; yellow to far-red emission).

Thermo Scientific™ DyLight™ 405 NHS Ester
Label antibodies or other proteins as probes for fluorescence imaging assays with the full spectral range of NHS ester-activated DyLight Dyes.

Labeling Target | Proteins |
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Content And Storage | Store desiccated at -20°C, protected from light. |
Product Type | Dye |
Label or Dye | DyLight™ 405 |
Reactive Moiety | Active Ester, Succinimidyl Ester, NHS Ester |
Solubility | DMF (Dimethylformamide) |
Emission | 420 |
Excitation | 400 |
Label Type | DyLight Fluors |
Chemical Reactivity | Amine |
Product Line | DyLight™ |
Molecular Probes™ Alexa Fluor™ 647 C2 Maleimide
Alexa Fluor™ 647 is a bright, far-red fluorescent dye with excitation ideally suited for the 594 nm or 633 nm laser lines.

Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Thermo Scientific™ EZ-Link™ Maleimide-PEG11-Biotin
Biotinylate reduced cysteines with this long, maleimide-activated, sulfhydryl-reactive biotinylation reagent with an 11-unit PEG spacer arm to enhance solubility and reach.

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

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

Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Thermo Scientific™ EZ-Link™ NHS-LC-Biotin
Biotinylate protein amines (e.g., lysines) with this long-chain (22.4A), NHS-ester biotinylation reagent containing a membrane permeable spacer arm for intracellular labeling.
Invitrogen™ Click-IT™ Palmitic Acid, Azide (15-Azidopentadecanoic Acid)
Greener Choice
Offers one or more environmental benefits itemized in the U.S. FTC Green Guides.
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Offers one or more environmental benefits itemized in the U.S. FTC Green Guides.
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Uses a simple and robust two-step labeling and detection technique

Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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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.

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™ |
Label Type | Biotin & Analogs |
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Thermo Scientific™ NHS-Fluorescein (5/6-carboxyfluorescein succinimidyl ester), mixed isomer
Activated derivatives of green-fluorescent fluorescein dye to label antibodies, proteins and other molecules for fluorescence imaging (ex 494; em 518).

Content And Storage | Store desiccated at -20°C, protect from moisture |
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Product Type | NHS-Fluorescein |
Label or Dye | FITC (Fluorescein) |
Reactive Moiety | Active Ester, Succinimidyl Ester, NHS Ester |
Solubility | DMF (Dimethylformamide) |
Emission | 518 |
Excitation | 494 |
Label Type | Classic Dyes |
Chemical Reactivity | Amine |
Product Line | Pierce™ |