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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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46 – 60 of 2,638 results
46

Molecular Probes™ Alexa Fluor™ 680 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 680 is a bright and photostable near-IR dye that is spectrally similar to the Cy5.5 dye.

EDGE ENCOMPASS_PREFERRED
Shipping Condition Room Temperature
Product Type Dye
Emission 707 nm
Excitation 684 nm
Product Line Alexa Fluor™
47

Molecular Probes™ Fluorescein-5-Isothiocyanate (FITC 'Isomer I')

Fluorescein-5-Isothiocyanate (FITC 'Isomer I')

EDGE ENCOMPASS_PREFERRED
Shipping Condition Room Temperature
Content And Storage Store in freezer (-5 to -30°C) and protect from light.
Product Type Fluorescein-5-Isothiocyanate
Label or Dye FITC (Fluorescein)
Reactive Moiety Isothiocyanate
Label Type Classic Dyes
Chemical Reactivity Amine
48

Thermo Scientific™ EZ-Link™ Phosphine-PEG3-Biotin

Label azide-tagged molecules for metabolic labeling (Staudinger ligation) and streptavidin detection using this phosphine-activated biotinylation reagent.

EDGE
49

Thermo Scientific™ EZ-Link™ Amine-PEG2-Biotin

Biotinylate proteins or surfaces using EDC or other amine-reactive crosslinkers with this short (20.4A) biotinylation reagent containing a 2-unit polyethylene glycol spacer.

EDGE
50

Thermo Scientific™ EZ-Link™ Biotin-LC-Hydrazide

Biotinylate glycoproteins (aldehydes of oxidized sugars) with this mid-length (24.7A) hydrazide-activated biotinylation reagent.

EDGE
51

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.

EDGE
52

Thermo Scientific™ DyLight™ 515-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).

EDGE
53

Molecular Probes™ Oregon Green™ 488-X, Succinimidyl Ester, 6-isomer

Oregon Green™ 488-X, Succinimidyl Ester, 6-isomer

EDGE ENCOMPASS_PREFERRED
54

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.

EDGE
Labeling Target Proteins
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™
55

Thermo Scientific™ DyLight™ 800 NHS Ester

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

EDGE
Content And Storage Store desiccated at -20°C.
Label or Dye DyLight™ 800
Reactive Moiety Active Ester, Succinimidyl Ester, NHS Ester
Solubility DMF (Dimethylformamide)
Emission 794
Excitation 777
Label Type DyLight Fluors
Chemical Reactivity Amine
Product Line DyLight™
56

Thermo Scientific™ DyLight™ 680 NHS Ester

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

EDGE
Labeling Target Proteins
Content And Storage Store desiccated at -20°C.
Product Type Dye
Label or Dye DyLight™ 680
Reactive Moiety Active Ester, Succinimidyl Ester, NHS Ester
Solubility DMF (Dimethylformamide)
Emission 712
Excitation 692
Label Type DyLight Fluors
Chemical Reactivity Amine
Product Line DyLight™
57

Molecular Probes™ Rhodamine Red™ C2 Maleimide

Rhodamine Red™ C2 maleimide

EDGE ENCOMPASS_PREFERRED
58

Molecular Probes™ Qdot™ 705 ITK™ Carboxyl Quantum Dots

Qdot™ 705 ITK™ Carboxyl Quantum Dots

EDGE ENCOMPASS_PREFERRED
59

Molecular Probes™ QSY™ 7 C5-Maleimide

QSY™ 7 C5-maleimide

EDGE ENCOMPASS_PREFERRED
60

Molecular Probes™ Qdot™ 565 ITK™ Amino (PEG) Quantum Dots

Qdot™ 565 ITK™ Amino (PEG) Quantum Dots

EDGE ENCOMPASS_PREFERRED