Protein Labeling Reagents
Protein Labeling Reagents
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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™ |
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 |
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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™ |
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™ |
Label Type | Biotin & Analogs |
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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™ |
Thermo Scientific™ DyLight™ 650 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. |
Product Type | Dye |
Label or Dye | DyLight™ 650 |
Reactive Moiety | Active Ester, Succinimidyl Ester, NHS Ester |
Solubility | DMF (Dimethylformamide) |
Emission | 672 |
Excitation | 652 |
Label Type | DyLight Fluors |
Chemical Reactivity | Amine |
Product Line | DyLight™ |
Thermo Scientific™ DyLight™ 488 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™ 488 |
Reactive Moiety | Active Ester, Succinimidyl Ester, NHS Ester |
Solubility | DMF (Dimethylformamide) |
Emission | 518 |
Excitation | 493 |
Label Type | DyLight Fluors |
Chemical Reactivity | Amine |
Product Line | DyLight™ |
Thermo Scientific™ EZ-Link™ NHS-Biotin
Biotinylate protein amines (e.g., lysines) with a simple, short (13.5A), NHS-ester biotinylation reagent containing a membrane-permeable spacer arm for intracellular labeling.
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.
Thermo Scientific™ EZ-Link™ Sulfo-NHS-SS-Biotin, No Weigh Format
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.
Chemical Reactivity | Amine |
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Thermo Scientific™ EZ-Link™ Maleimide-PEG2-Biotin, No-Weigh™ Format
Biotinylate reduced cysteines with this short, maleimide-activated, sulfhydryl-reactive biotinylation reagent containing a 2-unit PEG spacer arm to enhance water solubility.
Cell Permeability | Cell-Impermeant |
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Product Type | Maleimide-PEG2-Biotin |
Label or Dye | Biotin |
Solubility | DMF (Dimethylformamide),DMSO (Dimethylsulfoxide),Water |
Reactive Moiety | Maleimide |
Chemical Reactivity | Thiol |
Product Line | EZ-Link™ |
Thermo Scientific™ HABA (4'-hydroxyazobenzene-2-carboxylic acid)
A colored, biotin assay reagent HABA (4'-hydroxyazobenzene-2-carboxylic acid) to measure biotinylation levels of biotinylated antibodies or proteins.
Thermo Scientific™ EZ-Link™ Biocytin
Synthesize long or trifunctional biotinylation reagents using this biotin variant containing a primary amine in its valeric acid chain.
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.
Thermo Scientific™ EZ-Link™ Alkoxyamine-PEG4-Biotin
Biotinylate glycoproteins (aldehydes of oxidized sugars) with a mid-length (27.0A), pegylated biotinylation reagent containing a 4-unit PEG spacer for length and solubility.