Your Trusted Microsphere Manufacturer for Diagnostic Innovation

Products

SHBC provides colored microspheres, fluorescent microspheres, magnetic beads, silica microspheres, chromatography packing microspheres and biological reagents for diagnostic assay development, nucleic acid extraction, protein purification and separation applications.

Home Magnetic Beads AMSC200-10 200nm Carboxyl Magnetic Silica Beads 5% Suspension
AMSC200-10 200nm Carboxyl Magnetic Silica Beads 5% Suspension
AMSC200-10 200nm Carboxyl Magnetic Silica Beads 5% Suspension
AMSC200-10 Carboxyl Magnetic Silica Beads are silica-coated superparamagnetic nanoparticles with surface carboxyl groups. Supplied as a 5% aqueous suspension, they enable efficient covalent coupling of antibodies, proteins, peptides and other biomolecules for immunoassays, molecular diagnostics and bioseparation.

  • AMSC200-10

  • 5%

  • 200 nm (Nominal Size: 200 nm)

  • 10ml, 15ml, 20ml, 100ml,1000ml

Inquire

Product Overview

AMSC200-10 Carboxyl Magnetic Silica Beads are high-quality silica-coated superparamagnetic nanoparticles functionalized with surface carboxyl groups. The combination of a superparamagnetic core, chemically stable silica shell and reactive carboxyl surface provides an excellent platform for covalent biomolecule immobilization and magnetic separation.

Supplied as a 5% aqueous suspension, AMSC200-10 exhibits excellent particle size uniformity, rapid magnetic response and outstanding dispersion stability. The carboxyl groups readily react with primary amines through EDC/NHS coupling chemistry, enabling efficient immobilization of antibodies, proteins, peptides and enzymes for life science and diagnostic applications.

Key Features

  • Superparamagnetic magnetic core

  • Uniform 200 nm particle size

  • Silica-coated surface

  • Surface carboxyl functional groups

  • Excellent dispersion stability

  • Rapid magnetic response

  • High coupling efficiency

  • Compatible with EDC/NHS chemistry

  • 5% aqueous suspension

  • Excellent batch-to-batch consistency

Technical Specifications

Parameter

Specification

Product Code

AMSC200-10

Material

Silica-Coated Magnetic Nanoparticles

Particle Size

200 nm

Surface

Carboxyl (-COOH)

Solid Content

5% Suspension

Appearance

Brown Suspension

Storage

2–8°C

Packaging

10 mL / 20 mL / 100 mL / 1000 mL

Applications

  • Antibody coupling

  • Protein immobilization

  • Peptide conjugation

  • Enzyme immobilization

  • Immunoassays

  • Lateral flow assays

  • Molecular diagnostics

  • DNA/RNA extraction

  • Magnetic bioseparation

  • Biosensor development

Product Advantages

AMSC200-10 combines a superparamagnetic core, chemically stable silica shell and reactive carboxyl surface to provide rapid magnetic separation and highly efficient biomolecule immobilization. The carboxyl groups support reliable covalent coupling through EDC/NHS chemistry, making these beads ideal for antibody conjugation, protein immobilization, immunoassays, molecular diagnostics and bioseparation.

Storage and Handling

  • Store at 2–8°C.

  • Do not freeze.

  • Keep the container tightly sealed.

  • Protect from direct sunlight.

  • Mix gently before use to obtain a homogeneous suspension.

  • Avoid repeated freeze-thaw cycles.

  • Avoid microbial contamination during handling.

Customization Service

SANYU GROUP provides customized Carboxyl Magnetic Silica Beads including:

  • Customized particle sizes

  • Customized carboxyl density

  • Customized solid content

  • Surface functionalization

  • OEM manufacturing

  • Bulk production

  • Custom packaging

Frequently Asked Questions

What are Carboxyl Magnetic Silica Beads?

Carboxyl Magnetic Silica Beads are silica-coated superparamagnetic nanoparticles functionalized with surface carboxyl groups for efficient covalent biomolecule coupling and magnetic separation.

How are biomolecules coupled to AMSC200-10?

The surface carboxyl groups can be activated using EDC/NHS chemistry to covalently bind antibodies, proteins, peptides, enzymes and other amine-containing biomolecules.

What applications are AMSC200-10 suitable for?

AMSC200-10 is widely used for antibody coupling, protein immobilization, immunoassays, molecular diagnostics, nucleic acid extraction, magnetic bioseparation and biosensor development.

Can AMSC200-10 be customized?

Yes. SANYU GROUP provides customization services including particle size, carboxyl density, solid content, packaging and OEM manufacturing.

Related Blogs

  • How Silica Magnetic Beads Work for DNA and RNA Extraction
    How Silica Magnetic Beads Work: Quick AnswerSilica magnetic beads extract DNA and RNA through a reversible bind–wash–elute process.First, a lysis buffer breaks open cells, viruses or other biological materials and releases nucleic acids into solution. A binding buffer containing salts—and often alco
  • Top 10 Silica Magnetic Bead Manufacturers and Suppliers 2026
    Overview of the Silica Magnetic Bead MarketSilica magnetic beads are functional magnetic particles used to extract and purify DNA or RNA from biological, clinical, food, environmental and research samples.A typical bead contains a magnetic core and a silica or silica-like outer surface. Under suitab
  • How to Choose Silica Magnetic Beads for DNA and RNA Extraction
    How to Choose Silica Magnetic Beads: Quick AnswerChoose silica magnetic beads according to the complete extraction workflow—not according to particle diameter or catalog price alone.The correct bead must match:The target nucleic acid;The sample matrix;The expected nucleic acid concentration;The requ
  • Top 10 Microsphere Manufacturers for Lateral Flow Assays Serving Europe in 2026
    Quick Answer: Top 10 Microsphere Manufacturers Serving EuropeThe top 10 microsphere manufacturers and specialist particle suppliers serving European lateral flow assay developers in 2026 are:Merck EstaporSHBCBangs LaboratoriesPolysciencesThermo Fisher ScientificJSR Life SciencesMagsphereSpherotechmi