SKU: 84754028323

Protein A magnetic microspheres

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Description

Protein A magnetic microspheresProduct Name Protein A magnetic microspheres Product Overview Protein A magnetic beads are a special biotechnology product commonly used in immunoprecipitation (IP) experiments in biomedical research. They are made of superparamagnetic material coated with Protein A, a protein isolated from Staphylococcus aureus that specifically binds the Fc fragment of several mammalian IgGs. Technical Parameter Concentration: 30 mg mL Solvent: water Diameter: ~1um

Product Name

Protein A magnetic microspheres

Product Overview

Protein A magnetic beads are a special biotechnology product commonly used in immunoprecipitation (IP) experiments in biomedical research. They are made of superparamagnetic material coated with Protein A, a protein isolated from Staphylococcus aureus that specifically binds the Fc fragment of several mammalian IgGs.

 

Technical Parameter

Concentration: 30 mg/mL

Solvent: water

Diameter: ~1um

SPA load : 70-75ug/mg

Surface potential:~ 29 mV

Magnetic content: 35%-45%

 Product Features

 

High affinity: Protein A magnetic beads are able to bind specifically to Fc fragments of a wide range of mammalian IgGs with high affinity. 

Superparamagnetic: These magnetic beads are made of superparamagnetic material, which can be rapidly magnetised and show magnetic properties under an applied magnetic field, facilitating experimental manipulation and separation. 

Low non-specific binding: Protein A magnetic beads are usually pre-closed to reduce non-specific binding and improve the specificity and reproducibility of experiments. 

High capacity: Protein A magnetic beads have a high binding capacity and can capture a large number of antibodies or antigens.


Application Fields

Application Fields

 

Immunoprecipitation assays: In cell lysates, the specific binding ability of Protein A magnetic beads allows for the capture of protein complexes bound to their antibodies for downstream analyses such as protein blotting (Western Blot) or mass spectrometry. 

Antibody purification: Due to the high affinity of Protein A for IgG, Protein A magnetic beads can be used to purify specific types of antibodies from mixed samples. 

Affinity Chromatography: In affinity chromatography, Protein A magnetic beads can be used as a solid phase carrier for the separation and purification of target proteins.

Related Information

Sealed, avoid light, and keep at 4¡ãC Expiry date: Six months before unsealing.

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SKU: 84754028323

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Sandy
Chelsea, US
★★★★★ 5
Sturdy, great value, very utilitarian
Size: 50 Count
Exactly what I wanted. Exact quality thickness and sturdiness. Only small downside is they're coated in a wax like substance and stick together so you have to pry them apart and if you microwave something, it tends to meld together and also stick into the bowl. But I still love them especially the price.
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Reviewed in the United States on March 30, 2026
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Mike
Chelsea, US
★★★★★ 5
Great bowl , great. For water boiling 100%
Size: 50 Count
Finally a microwavable bowl, that doesn't rot when boiling water !!! Yay. Great for oatmeal and soups
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Reviewed in the United States on May 12, 2026
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Kindle Customer
Charlottesville, US
★★★★★ 5
Great product!
Delivered on time in prefect condition.
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Reviewed in the United States on November 12, 2024
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T
Charlottesville, US
★★★★★ 5
Smells Soooooo Good
This lotion was recommended to me for the winter months. It makes my skin feel super soft, it feels good, easy to rub in, very moisturizing but noy greasy, the scent is perfect but can be a bit too strong for a boy/man. The quality is amazing and the appearance is appealing.
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Reviewed in the United States on January 28, 2026
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Abigail
Carnegie, US
★★★★★ 5
Good product
This is good
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Reviewed in the United States on October 17, 2025

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