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Alexa Fluor® 790 Antibody Labeling Kit

Catalog number: A20189

Molecular Probes™  Related applications: Labeling Chemistry | Protein Labeling & Crosslinking

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Description

Molecular Probes® Alexa Fluor® antibody labeling kits provide a convenient means to label small amounts of antibodies with Alexa Fluor® dyes (choice of 10 colors). This kit is optimized for labeling 100 μg of antibody per reaction with infrared fluorescent Alexa Fluor® 790. Small amounts of other proteins (>40 kDa) can also be labeled with this kit.

The Alexa Fluor® 790 Antibody Labeling Kits contains everything you need to perform five separate labeling reactions as well as to purify the resulting conjugates. The conjugates are ideal for multiple applications, including small animal in vivo imaging, flow cytometry, fluorescent microscopy, immunohistochemistry, primary detection, ELISAs, immunocytochemistry, indirect FISH, and more.

With an excitation and emission maximum of 784/814 nm, Alexa Fluor® 790 can be efficiently excited and detected in most standard small animal in vivo imaging and fluorescent western blot imaging systems.

Important Features of Alexa Fluor® 790 Antibody Labeling Kit:

• Labeled proteins typically ready to use in 90 min (~15 min hands-on time)
• Optimized for small-scale labeling of any protein >40 kDa
• Conjugates purified using convenient spin filters
• Stabilizing proteins must be removed from the sample before labeling
• Includes detailed instructions for determining degree of labeling (DOL)

Better Results and Workflows Possible with Labeled Primary Antibodies
A primary antibody directly labeled with a fluorophore often produces lower background fluorescence and less nonspecific binding. Further, multiple primary antibodies of the same isotype or derived from the same species can easily be used in the same experiment if they are directly labeled with compatible fluorophores.

Superior Alexa Fluor® Dyes
Compared to traditional dyes, Alexa Fluor® dyes are brighter, more photostable, and more pH resistant between pH 4 and 10. And generally when using Alexa Fluor® dyes, higher degrees of labeling can be achieved without intramolecular quenching. For details see Alexa Fluor® Dyes Spanning the Visible and Infrared Spectrum—Section 1.3.

Learn More About Protein and Antibody Labeling
We offer a wide selection of Molecular Probes® antibody and protein labeling kits to fit your starting material and your experimental setup. See Antibody Labeling from A to Z or use our Labeling Chemistry Selection Tool for other choices. To learn more about our various kits, read Kits for Labeling Proteins and Nucleic Acids—Section 1.2 in the Molecular Probes® Handbook.

We’ll Make a Custom Antibody Conjugate for You
If you can’t find what you’re looking for in our stocked list, we’ll prepare a custom antibody conjugate for you. Our custom conjugation service is efficient and confidential, and we stand by the quality of our work. We are ISO 9001:2000 certified.

For Research Use Only. Not intended for animal or human therapeutic or diagnostic use.
For Research Use Only. Not for use in diagnostic procedures.

Specifications

Labeling Method: Conjugation-Based
Color: Far-Red
Label or Dye: Alexa Fluor® 790
Product Size: 1 kit
Emission Class: near IR
Labeling Scale: 100 µg
Labeling Target: Antibodies (General)
Detection Method: Fluorescent
Excitation Class: near IR
Shipping Condition: Room Temperature
Number of Reactions: 5 Reactions
For Use With (Equipment): Fluorescent Imager
Excitation⁄Emission (nm): 784⁄814

Contents & storage

Alexa Fluor® 790 Antibody Labeling Kit comes with 5 vials of reactive dye, sodium bicarbonate, purification resin, spin columns, and collections tubes.

Store kit at 2 to 8°C, protected from light. Component A may be stored from –20 to 8°C

Documents

Manuals & protocols

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