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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316 – 330 of 3,009 results

316

Invitrogen™ Dansyl Ethylenediamine, 5-Dimethylaminonaphthalene-1-(N-(2-Aminoethyl))sulfonamide

5-dimethylaminonaphthalene-1-(N-(2-aminoethyl))sulfonamide (dansyl ethylenediamine)

Pricing & Availability

317

Atto 633 NHS Ester BioReagent, Suitable for Fluorescence, 90% (Coupling to Amines), MilliporeSigma™ Supelco™

Pricing & Availability
Specifications

Content And Storage	-20°C

318

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Cytiva Amersham™ CyDye™ Value Packs (mono-Reactive Maleimide)

For the selective labeling of free sulfhydryl groups such as cysteine residues in peptides, proteins, and oligonucleotides

Pricing & Availability
Specifications

Kit Contents	Foil packs, each containing 1, 5 or 25mg dried dye
pH Range	3 to 10

319

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

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).

Pricing & Availability

320

Novus Biologicals™ Antibody Labeling Confirmation Control Kit

Allows to confirm successful conjugation of antibody.

Pricing & Availability

321

Novus Biologicals™ Lightning-Link (R) Rapid DyLight 350 Antibody Labeling Kit

Antibody labeling kit

Pricing & Availability

322

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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.

Pricing & Availability
Specifications

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.

323

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Cytiva Amersham™ Cy™3, Cy™ 5 Maleimide mono-Reactive Dye 5-packs

More selective method of antibody labeling that reduces the possibility of the label interfering with subsequent antibody-antigen reactions. Amersham™ Cy™3, Cy™ 5 Maleimide mono-Reactive Dye packs are packaged in premeasured amounts and foil-sealed to ensure consistent labelings.

Pricing & Availability
Specifications

Content And Storage	2°C to 8°C, protected from light. Reconstituted material may be stored for up to 2 weeks at -20°C in aliquots to avoid repeat freeze thaw cycles.
Kit Contents	Five vials of dye
Solubility	Soluble in cold water and hot water
Sufficient For	Labeling 1mg Protein
Quantity	5 vials each sufficient to label 1 mg protein

324

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Cytiva Cy3 NHS Ester Mono-Reactive CyDye

Use for highly accurate labeling of amine groups. Cytiva Cy3 NHS Ester Mono-Reactive CyDye contain derivitized CyDyes that carry only one reactive group on each dye molecule for accurate labeling of amine groups, for example on antibodies, peptides, or oligonucleotides.

Pricing & Availability
Specifications

Kit Contents	Foil packs of pre-measured dried dye
Format	Dried
pH Range	3 to 10
Product Type	Cy3 NHS Ester
Color	Red
Label or Dye	Cy3

325

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Cytiva DeStreak Rehydration Solution

Highly suitable for both analytical and preparative gels. DeStreak Rehydration Solution improves reproducibility and quality of 2-D gels by preventing streaking.

Pricing & Availability
Specifications

Content And Storage	2°C to 8°C
Kit Contents	Optimized concentrations of urea, thiourea, CHAPS and Destreak reagent
pH Range	>7
Product Type	Destreak Reagent
For Use With (Application)	Improves reproducibility and quality of 2D Gels by preventing streaking

326

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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.

Pricing & Availability
Specifications

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

327

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)

Pricing & Availability

328

Novus Biologicals™ Lightning-Link (R) Rapid Alexa Fluor 700 Antibody Labeling Kit

Antibody labeling kit

Pricing & Availability
Specifications

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

329

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.