SKU: 24661381254

Carboxylated magnetic beads

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Description

Carboxylated magnetic beadsProduct Name Carboxylated magnetic beads Product Overview Carboxylated magnetic beads are magnetic microspheres with a surface rich in carboxyl functional groups that enable the beads to couple to a wide range of biomolecules, such as peptides, proteins, antibodies, oligonucleotides, etc., via covalent bonds. Silicon carbide nanopowder for heat dissipation, wear resistance Technical Parameter Concentration: 10 mg mL Solvent: water Surface potential:

Product Name

Carboxylated magnetic beads


Product Overview

Carboxylated magnetic beads are magnetic microspheres with a surface rich in carboxyl functional groups that enable the beads to couple to a wide range of biomolecules, such as peptides, proteins, antibodies, oligonucleotides, etc., via covalent bonds. Silicon carbide nanopowder for heat dissipation, wear resistance


Technical Parameter    

Concentration:10 mg/mL

Solvent:water

 

Surface potential:-31.2mV


Product Features

 

High Specific Surface Area: Due to their nano or micron scale particle size, carboxylated magnetic microspheres have a very high specific surface area, which makes them able to provide more active sites and suitable for immobilisation of biomolecules and catalytic reactions. 

Surface carboxyl functional groups: The surface of carboxylated magnetic microspheres is rich in carboxyl functional groups, which can be covalently bound to biomolecules (e.g., antibodies, enzymes, proteins, etc.) via chemical cross-linking agents, enhancing their functionality in biomedical applications.

Good biocompatibility: carboxylated magnetic microspheres are usually made of biocompatible materials, which can be used safely in living organisms with reduced immune response and toxicity.


Application Fields

 

Immunochromatographic detection: Carboxylated magnetic beads can be modified with antibodies on their surface and used to construct immunochromatographic test strips for rapid and sensitive detection.

Immobilisation of biomolecules: Carboxylated magnetic beads can be used as carriers to immobilise enzymes and other biomolecules for biochemical reactions and bioseparation processes. 

Drug Carriers: Carboxylated magnetic beads can be used as drug carriers, which can be targeted to specific cells or tissues through surface modification for targeted drug delivery systems. 

Magnetic Analysis System: Combined with immunochromatography and magnetic analysis system, carboxylated magnetic beads can be used for quantitative and rapid assays, such as human chorionic gonadotropin, cardiac troponin, and HIV viral assays.

 

Terms and Conditions

 

1) The coupling process should not contain substances other than the target ligand that contain primary amine groups, such as glycine, BSA, Tris-HCl, etc. Please make sure that your antibody solution doesn’t contain the above substances;

2) Repeated freezing and thawing should be avoided during the use and storage of beads;

3) Different antibodies and proteins have different binding abilities to aminated magnetic microspheres. Customers can optimize the addition of different antibodies or protein quality.


Related Information

Carboxylated magnetic beads have good hydrophilicity and monodispersity. Due to the high magnetic content, the microsphere is easy to precipitate at the bottom after a long time of placement, and can be suspended again after a short time of ultrasonic treatment or vibration before use. Sealed, avoid light, and keep at 4¡ãC Expiry date: Six months.

Please e-mail for the detailed characterization data.

E-mail:[email protected]



 

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SKU: 24661381254

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New York, US
★★★★★ 5
Fantastic Watch - Premium Look
Color: yelllow
I am definitely a watch person. I have probably 10-12 watches included a Movado, two Esquires, and multiple Stuhrlings. I like watches that look classy but are considered mid-line (or even upper low line) luxury. This watch has the look and display of a much more expensive Garmin. It has a very clean layout and super easy to read. I have been approached by people thinking I was wearing a Garmin watch and little did they know, it was a lowly $20 watch. Granted, you can feel its lower quality when you hold it in your hand. It is not as heavy and doesn't feel as durable. But it is $20 so what can you expect? I have not tested its waterproof abilities but I will say it works amazing for jogging and bicycling with. My yellow watch has stayed relatively clean and does not have any weird stains that you might normally think would occur on a low quality band such as sweat stains or dirt stains. So far I am very happy and it is now almost a year later. The battery seems to be going strong and the display does not show any signs of fading. I like the color selection and the simplicity so much that I may buy a few more colors just so I can change it up periodically. But for now, I am sticking with just the one.
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Reviewed in the United States on October 3, 2025
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Brian R
Louisville, US
★★★★★ 5
a basic watch.
Color: black
at $10.00 i figured id give it a try. it looks and feels like a garmin instinct on your wrist but not quite as nicely made. The bands are so-so but not bad more plasticy than rubber but not uncomfortable. It says its waterproof at 5bar (swimming) which will be tested the day after receiving. buttons feel okay and it seems to keep okay time. the alarm function works well and seems plenty loud enough. cant speak to the durability yet but i dropped it on concrete intentionally and it held up okay. will report back in a couple days with a more comprehensive review. Update, 2 weeks after purchase: the alarm works well enough, pretty much like any other watch. its certainly waterproof in a reasonable degree. i took it for a swim at the pool and dived to the bottom. pressed a couple buttons to see how it would hold up. took it like a champ 8 ft under the water. it also seems to keep pretty good time. since setting it has not gained or lost time. seems like a good 10 dollar watch in a nice looking and functional package.
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Reviewed in the United States on July 22, 2025
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Yahaira
Lowell, US
★★★★★ 5
Great watch for a great price
Color: green
Probably one of my favorite products that I have ever bought from Amazon. I wear it every day. I love all the functions on the watch and I love that it is truly water proof. I haven't been in a position to submerge it under water but in the shower it is completely fine. Very durable and easy to clean.
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Reviewed in the United States on March 23, 2026
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Riley Strayer
Carnegie, US
★★★★★ 4
Great watch, wish I had a replacement band.
Color: black
the watch does a good job to display all the info I need at a glance, time, day, and date. No problems holding up to heavy wear and cleans easily. The controls are somewhat confusing but I can make it work with a bit of trial and error. After 2 years with mine the band broke and I bought a replacement watch since I'm so used to this one and they're cheap as dirt.
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Reviewed in the United States on February 16, 2026
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Michael G
Boise, US
★★★★★ 5
Geat Watch, Simple To Use
Color: yelllow
Great, comfortable watch. Keeps good time. Easy to read face. No bells and whistles, just a good watch.
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Reviewed in the United States on January 26, 2026

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