產(chǎn)品詳情

  • 產(chǎn)品名稱：ProteinAMagneticBeads

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  • 產(chǎn)品廠商：Biovision
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簡單介紹：
ProteinAMagneticBeads
詳情介紹：
Purpose Easy to use, high-binding capacity, non-adherent beads. Useful for immunoprecipitation and enrichment of IgG antibodies.
Specificity High affinity for Fc region of IgG antibodies from a variety of species. Protein A binds to most human and mouse IgG subclasses (e.g., human IgG1, IgG2, IgG4; mouse IgG1, IgG2a, IgG2b, IgG3). It also binds to total IgG from cow, guinea pig, hamster, horse, pig, and rabbit. Protein A has little affinity to chicken, goat, rat and sheep.
Characteristics Protein A Magnetic Beads are prepared by covalently coupling Recombinant Protein A (contains five IgG binding domain, ABIN412501) to 6% crosslinked magnetically beaded agarose. The coupling technique is optimized to give a high binding capacity for IgG. The capacity of IgG binding is generally greater than 25 mg of human IgG per ml of wet gel.

Characteristics: Paramagnetic, spherical, 6 % cross-linked agarose
Ligand: Recombinant Protein A
Particle Size: 75 – 150 μm
Binding Capacity: Generally >25 mg human IgG/ml wet beads
Working Temperature: Room temperature
Storage Solution: PBS w/0.02% NaN3
ProductDetails: Bead Ligand Protein A
ProductDetails: Bead Matrix Magnetic Agarose beads
ProductDetails: Bead Size 112 μm
Application Notes Supplied as a 50% slurry in PBS with 0.02% sodium azide.
Assay Procedure

Prepare the antibody solution by diluting the required amount of antibody in binding buffer before running the protocol.
1. Magnetic Bead Preparation (perform three times)
a. Dispense the required amount of magnetic beads into a 1.5 ml microfuge tube.
b. Place the tube in the magnetic rack and remove the storage solution.
c. Add 500 μl binding buffer.
d. Resuspend the beads.
e. Remove the liquid
2. Antibody Capture
a. Immediately add the antibody solution.
b. Resuspend and mix (slow end-over-end) for at least 15 minutes.
c. Remove the liquid.
3. Washing
a. Add 500 μl Binding Buffer containing 0.5 M NaCl; Remove the liquid.
b. Add 500 μl Binding Buffer; Remove the liquid.
4. Target Binding
a. Add sample diluted in binding buffer.
b. Incubate with slow end-over-end mixing for up to 60 minutes.
c. Remove and collect unbound fraction.
5. Washing ( perform three times)
a. Add 500 μl wash buffer
b. Remove liquid (save washes to troubleshoot)
6. Elution (perform three times)
a. Add 2 volumes elution buffer (vs. bead volume).
b. Completely resuspend beads and incubate at least 2 minutes.
c. Remove and collect elution fraction.
Restrictions For Research Use only
Format Liquid
Buffer Binding buffer: 50 mM Tris, 150 mM NaCl, pH 7.5
Wash buffer: 50 mM Tris, 150 mM NaCl, pH 7.5 (or add 1% Octylglucoside to this buffer)
(Could also try 1X PBS as both binding and wash buffer)
Elution buffer: 0.1 M -0.2 M Glycine pH 2.5-3.1 (or 0.1 M citric acid, pH 2.5-3.1 or 2.5 % Acetic Acid)
Storage 4 °C
Expiry Date 12 months