PuroMAG™ Protein A Coated Magnetic Beads
PuroMAG™ Protein A Coated Magnetic Beads are protein A magnetic beads for efficient capture of IgG and other antibodies from serum, cells and other biological samples. Protein A-coupled PuroMAG superparamagnetic beads capture a wide range of immunoglobulins; Protein A shows varying affinity for Igs from different species and for different isotypes within a species (see the binding table in the info section).
How it works
The sample containing Igs is mixed with PuroMAG Protein A coated beads. During a 30-minute incubation, the Igs bind to the PuroMAG-PRA beads via their Fc region. Samples are then placed on a magnetic rack for pull-down and washing, producing a purified complex of antibodies bound to Protein A beads. Bound antibodies can be covalently cross-linked to the bead-immobilized Protein A for a very stable bead-antibody complex for further antigen capture experiments.
A strong magnetic core lets PuroMAG™ beads be separated from solution with a magnet in under 30 seconds, enabling easy processing on magnetic racks without a centrifuge. PuroMAG™ magnetic bead technology can also be used with automated extraction systems for high-throughput nucleic acid purification.
At Luna Nanotech we use nanotechnology to optimize the quality and surface binding capacity of nano- and micromaterials. Try our magnetic beads – we are confident they will outperform the competition.
Key features
- High antibody binding capacity – IgG binding capacity: 44–50 µg/100 µL beads
- Rapid, efficient IgG purification from complex samples
- Fast response to a magnet
- High monodispersity
Applications
- Magnetic separation of antibodies – beads are simply added to antibodies for binding and capture
- During incubation, antibodies bind to the MGB-PRA beads via their Fc region; samples are transferred to a magnetic rack for easy removal of unbound residue
- Bead-bound antibodies can be used for immunoprecipitation
Available sizes
- 1 mL – MGB-PRA-1
- 5 mL – MGB-PRA-5
Available in Canada from Luna Nanotech, Markham, Ontario. Prices are in CAD; contact us for bulk or institutional quotes.
Detailed product information
MSDS
Ig binding strength of protein A
Ig Species / Subtype
Affinity for Protein A
Human IgG
+++
Human IgG1
+++
Human IgG2
+++
Human IgG3
+
Human IgG4
+++
Human IgM
+
Human IgD
-
Human IgA1
+
Human IgA2
+
Human Fab
+
Human scFv
+
Mouse IgG
+++
Mouse IgM
-
Mouse IgG1
+
Mouse IgG2a
+++
Mouse IgG2b
+++
Mouse IgG3
+++
Rat IgG
+
Rat IgG1
+
Rat IgG2a
-
Rat IgG2b
-
Rat IgG2c
+++
Rabbit IgG
+++
Goat IgG
+
Sheep IgG
+
Guinea pig IgG
+++
Hamster IgG
++
Donkey IgG
++
Pig IgG
+++
Dog IgG
+++
Cat IgG
+++
Chicken IgG
-
Cow IgG
+
Horse IgG
+






















