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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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1 – 15 of 30 results
1

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.

EDGE
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.
2

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.

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
3

Cytiva Cy5.5 NHS Ester Mono-Reactive CyDye

Use for highly accurate labeling of amine groups. Cytiva Cy5.5 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.

Kit Contents Foil packs of premeasured dye
Format Powdered
pH Range 3 to 10
Product Type Cy5.5 NHS Ester
Color Blue
Label or Dye Cy5.5
4

Cytiva Amersham™ QuickStain Protein Labeling Kit

Amersham QuickStain enables protein detection directly after SDS-PAGE or transfer. Supports Western blot normalization for quantitative Western blotting.

5

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.

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
6

Cytiva Amersham™ Streptavidin-Fluor Conjugates

Use for in situ hybridization and flow cytometry. Cytiva Life Sciences™ Amersham™ Streptavidin-Fluor Conjugates consist of streptavidin conjugated to a range of fluorescent dyes.

Formulation This product is supplied as a lyophilized solid in Phosphate-buffered Saline (0.02M Potassium Phosphate, 0.15M NaCl) pH 7.2, containing 1%(w/v) Bovine Serum Albumin and 0.1% (w/v) Sodium Azide, reconstitute with 1mL of deionized Water, dispense into suitable aliquots and freeze, avoid repeated freeze-thaw cycles
Quantity 1 mg
For Use With (Application) Suitable for use in the Fluorescent analysis of Biotinylated samples
7

Cytiva CyDye™ DIGE Fluors: Cy3

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 Cy3 Minimal Dye
Color Green
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
8

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
9

Cytiva CyDye™ DIGE Fluor Minimal Dye Labeling Kits

Allow detection of up to three prelabeled protein samples and standards on the same 2-D electrophoresis gel. Amersham CyDye™ DIGE Fluor Minimal Labeling Kits contain size- and charge-matched fluorescent dyes specifically designed for detecting protein abundance differences in 2-D Fluorescence Difference Gel Electrophoresis using Ettan DIGE system.

Content And Storage -15°C to -30°C
Format Solid
Color Blue, Green, Red
10

Cytiva CyDye™ DIFluors: Saturation Dye Labeling Kits

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 Labeling Kit
Color Green, Red
11

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
12

Cytiva Amersham™ CyDye™ Reactive Dye 5-Packs

Use for the most accurate labeling. Cytiva Amersham™ CyDye™ Reactive Dye 5-Packs contain derivatized CyDye that carries only one reactive group on each dye molecule for accurate labeling of amine groups.

Kit Contents Five foil packs each containing dried dye to label 1mg of Protein
Sufficient For Labeling 1mg Protein or 30nM Amino groups
Quantity Each
13

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

For the labeling of free carbonyl groups of glycoproteins and carbohydrates

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.
pH Range 3 to 10
Solubility Soluble in cold water and hot water
For Use With (Application) For labelling via carbonyl groups. For use in steady state fluorescence, FP and FRET applications
14

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
15

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

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