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Crosslinking, Labeling and Protein Modification

Crosslinking, Labeling and Protein Modification

A variety of reagents used to modify proteins for identification, analysis, research, and other applications.
Protein Labeling Reagents (30)
Protein and Antibody Labeling Kits (7)
Crosslinking Reagents (4)

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1 – 15 of 29 results
1

Thermo Scientific™ Pierce™ Iodination Beads

Easily and gently label (iodinate) proteins and peptides with iodine-125 using reagent-coated polystyrene beads that can be removed following reaction.

2

Thermo Scientific™ Pierce™ Iodination Tubes

Reliably label (iodinate) proteins and peptides with iodine-125 using glass test tubes that are pre-coated (activated) with iodination reagent.

3

Invitrogen™ Alexa Fluor™ 647 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 647 is a bright and photostable far-red dye with excitation ideally suited to the 633 nm laser line.

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Emission 672 nm
Excitation 651 nm
4

Thermo Scientific™ EZ-Link™ Biotin-PEG12-DBCO

EZ-Link Biotin-PEG12-DBCO is a biotinylation reagent that contains a dibenzylcyclooctyne (DBCO) group for copper-free click chemistry attachment to an azide-labeled molecule, enabling the attachment of biotin using a bioorthogonal approach.

5

Molecular Probes™ Alexa Fluor™ 555 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 555 is a bright orange dye. Used for stable signal generation in imaging and flow cytometry, Alexa Fluor™ 555 dye is water soluble and pH-insensitive from pH 4 to pH 10.

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Shipping Condition Room Temperature
Product Type Dye
Emission 572 nm
Excitation 555 nm
Product Line Alexa Fluor™
6

Molecular Probes™ Alexa Fluor™ Antibody Labeling Kits

Multiplex with brighter, photostable, Alexa Fluor Antibody Labeling Kits without the intramolecular quenching. Conjugate antibodies to 9 available fluorophores for flow cytometry, ICC, IHC, IF, ELISA or HCS. Each kit contains enough dye to conjugate 100 μg per reaction with 5 reactions per kit.

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Shipping Condition Room Temperature
Product Type Labeling Kit
Solubility DMSO (Dimethylsulfoxide)
Labeling Method Conjugation-based
Label Type Alexa Fluor
Labeling Scale 100 μg
Chemical Reactivity Amine
Product Line Alexa Fluor™
Detection Method Fluorescence
7

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.

Promotions are available
Shipping Condition Room Temperature
Product Type Dye
Emission 707 nm
Excitation 684 nm
Product Line Alexa Fluor™
8

Thermo Scientific™ Sulfo-NHS (N-hydroxysulfosuccinimide), No-Weigh™ Format

Prepare amine-reactive sulfo-NHS-ester crosslinkers or enhance carbodiimide (EDC) conjugation for peptides or proteins using N-hydroxysulfosuccinimide, CAS 106627-54-7.

Promotions are available
Molecular Weight (g/mol) 217.13
Solubility Water
PEGylated No
9

Molecular Probes™ BODIPY™ TMR C5-Maleimide

BODIPY™ TMR C5-maleimide

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10

Molecular Probes™ Qdot™ 705 ITK™ Organic Quantum Dots

Qdot™ 705 ITK™ Organic Quantum Dots

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11

Molecular Probes™ pHrodo™ Red Maleimide

pHrodo™ Red Maleimide

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12

Thermo Scientific™ Pierce™ EDC, No-Weigh™ Format

Immobilize or conjugate proteins using 1-Ethyl-3-(3-dimethylaminopropyl) carbodiimide (CAS 25952-53-8), a water-soluble, carboxyl-to-amine crosslinker.

EDGE
Shipping Condition Wet Ice
Content And Storage Upon receipt store desiccated at -20°C.
Description EDC
Cleavable No
Water Soluble Yes
Form Powder
Molecular Weight (g/mol) 191.7
Solubility Water
Labeling Method Chemical Labeling
Crosslinker Type Heterobifunctional
Chemical Reactivity Amine-Carboxyl
Cell Permeability No
Format Standard, Single-use, Premium-grade
Product Type Crosslinker
Spacer Short (<10 Å)
Reactive Moiety Carbodiimide
Spacer Arm Length 0.0 Å
PEGylated No
13

Molecular Probes™ Qdot™ 585 ITK™ Amino (PEG) Quantum Dots

Qdot™ 585 ITK™ Amino (PEG) Quantum Dots

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14

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

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

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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
15

Molecular Probes™ pHrodo™ Green Maleimide

pHrodo™ Green Maleimide

Promotions are available