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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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301 – 315 of 3,009 results
301

Invitrogen™ BODIPY™ FL (4,4-Difluoro-5,7-Dimethyl-4-Bora-3a,4a-Diaza-s-Indacene-3-Propionic Acid)

BODIPY™ FL (4,4-Difluoro-5,7-Dimethyl-4-Bora-3a,4a-Diaza-s-Indacene-3-Propionic Acid)

ENCOMPASS_PREFERRED
302

Novus Biologicals™ 40nm Colloidal Gold Nanoparticles - 15OD

40nm colloidal gold nanoparticles ultra high quality, with narrow size distribution and uniform shape

Content And Storage 4°C Do not freeze.
Product Type 40nm Colloidal Gold Nanoparticles - 15OD Antibody Labeling Kit
303

Novus Biologicals™ Lightning-Link (R) Rapid Type B Biotin Antibody Labeling Kit

Optimised for assays in which biotinylated protein is captured by streptavidin immobilized on a surface.

305

Novus Biologicals™ Lightning-Link (R) Rapid Alexa Fluor 647 Antibody Labeling Kit

Antibody labeling kit

Content And Storage -20°C
Product Type Antibody Labeling Kit
307

MilliporeSigma™ Calbiochem™ β-Cyclodextrin

Homogeneous cyclic α1,4-linked D-glucopyranose units in a seven-member ring. Forms clathrates. Suitable for use with dansyl chloride to form water-soluble complexes for fluorescent labeling of proteins.

Format Solid
Color White
Molecular Formula C42H70O35
308
Promotions Available

Cytiva CypHer5E NHS Esters

A red-excitable, pH-sensitive cyanine dye derivative, reporting receptors movement from the cell surface into acidic endosomes upon agonist stimulation.

Product Type CypHer5E NHS Ester
Formulation 100% CypHer 5E
Color Blue
Solubility Easily soluble in methanol; Very slightly soluble in cold water and hot water.
Emission 663
For Use With (Application) This reagent has been shown to be suitable for live cell receptor internalization studies using the IN Cell Analyzer 3000, IN Cell Analyzer 1000, and confocal microscopes. 0.5 mL of stock reagent will be sufficient for up to 500 wells.
309
Promotions Available

Cytiva Cy™3B Mono-reactive NHS Ester Fluorescent Dyes

Combines exceptional photostability with bright and intense signals. Cytiva Cy™3B NHS Ester Mono-Reactive CyDye™ provides targeted and specific labeling of amine residues on antibodies, peptides, or oligonucleotides in fluorescence polarization applications.

Format Solid
Product Type Cy3B NHS Ester
Molecular Weight (g/mol) 771
Formulation 100% Cy3B (NHS ester)
Color Red
Solubility Soluble in aqueous buffers
Emission 570
Purity >99%
Excitation 559
310
Promotions Available

Cytiva CyDye™ DIGE Fluors: Cy5

Allow detection of up to three prelabeled protein samples and standards on the same 2-D electrophoresis gel

Content And Storage -15°C to -30°C
Format Solid
Product Type Amersham CyDye DIGE Fluor Cy5 Minimal Dye
Color Red
For Use With (Application) For general 2-D applications where sufficient amounts of sample are available, detection of up to three prelabeled protein samples and standards on the same 2-D electrophoresis gel
311
Promotions Available

Cytiva Amersham CyDye Value Packs (bis-Reactive NHS Ester), Purple
GSA_VA

Label proteins, antibodies and more. Cytiva Amersham CyDye Value Packs (bis-Reactive NHS Ester) provide maximum economy in general labeling applications. Available in a variety of reactive dye colors: red (Cy3), blue (Cy5.5) and purple (Cy7).

312
Promotions Available

Cytiva CyDye™ DIGE Fluors: Cy2

Allow detection of up to three prelabeled protein samples and standards on the same 2-D electrophoresis gel

Content And Storage -15°C to -30°C
Format Solid
Product Type Amersham CyDye DIGE Fluor Cy2 Minimal Dye
Color Blue
For Use With (Application) For general 2-D applications where sufficient amounts of sample are available, detection of up to three prelabeled protein samples and standards on the same 2-D electrophoresis gel
313
Promotions Available

Cytiva Amersham™ CyDye™ Value Packs (bis-Reactive NHS Ester)
GSA_VA

Suitable for general labeling of amine residues

Kit Contents Foil packs, each containing 5, 10 or 50mg dried dye
314

Invitrogen™ Fluorescein biotin, 5-((N-(5-(N-(6-(biotinoyl)amino)hexanoyl)amino)pentyl)thioureidyl)fluorescein

5-((N-(5-(N-(6-(biotinoyl)amino)hexanoyl)amino)pentyl)thioureidyl)fluorescein (fluorescein biotin)

ENCOMPASS_PREFERRED
315

Invitrogen™ 6-TAMRA, SE (6-Carboxytetramethylrhodamine, Succinimidyl Ester), single isomer

6-TAMRA, SE (6-Carboxytetramethylrhodamine, Succinimidyl Ester), single isomer

ENCOMPASS_PREFERRED