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Home Polymer & Latex Microspheres PMMAC20UM-10 20μm Carboxyl PMMA Microspheres for Protein and Antibody Coupling
PMMAC20UM-10 20μm Carboxyl PMMA Microspheres for Protein and Antibody Coupling
PMMAC20UM-10 20μm Carboxyl PMMA Microspheres for Protein and Antibody Coupling
PMMAC20UM-10 20μm Carboxyl PMMA Microspheres for Protein and Antibody Coupling
PMMAC20UM-10 20μm Carboxyl PMMA Microspheres for Protein and Antibody Coupling
PMMAC20UM-10 Carboxyl PMMA Microspheres are monodisperse polymethyl methacrylate microspheres functionalized with surface carboxyl (-COOH) groups. Supplied as a 5% aqueous suspension, they provide excellent stability and high coupling efficiency for proteins, antibodies, peptides and other biomolecules through EDC/NHS chemistry.
  • PMMAC20UM-10

  • 5% Suspension

  • 20 μm (Nominal Size: 20 μm)

  • 10 mL / 20 mL / 100 mL

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Product Overview

PMMAC20UM-10 Carboxyl PMMA Microspheres are uniform polymethyl methacrylate microspheres with surface carboxyl (-COOH) functional groups. The carboxyl groups enable efficient covalent coupling with proteins, antibodies, peptides, enzymes and other biomolecules using standard EDC/NHS activation chemistry.

Supplied as a 5% aqueous suspension, these microspheres exhibit excellent particle uniformity, low nonspecific adsorption and outstanding suspension stability. They are widely used in immunodiagnostics, biosensor development, lateral flow assays, molecular biology and life science research.

The highly uniform particle size and stable surface chemistry make PMMAC20UM-10 an excellent choice for assay development and functional biomolecule immobilization.

Key Features

  • Surface carboxyl (-COOH) functional groups

  • Excellent EDC/NHS coupling efficiency

  • High protein and antibody binding capacity

  • Uniform particle size distribution

  • Excellent suspension stability

  • Low nonspecific adsorption

  • Suitable for biomolecule immobilization

  • Compatible with immunoassays

  • 5% aqueous suspension

  • Excellent batch-to-batch consistency

Technical Specifications

Parameter

Specification

Product Code

PMMAC20UM-10

Material

PMMA

Surface Functional Group

Carboxyl (-COOH)

Particle Size

20 μm

Solid Content

5% Suspension

Appearance

White Milky Suspension

Storage

2–8°C

Packaging

10 mL / 20 mL / 100 mL

Applications

  • Antibody immobilization

  • Protein conjugation

  • Peptide coupling

  • Enzyme immobilization

  • Lateral flow immunoassays

  • Latex agglutination assays

  • Immunodiagnostic reagent development

  • Molecular biology research

  • Biosensor development

  • Life science research

Product Advantages

PMMAC20UM-10 combines highly uniform PMMA microspheres with stable surface carboxyl functional groups, providing reliable covalent coupling through EDC/NHS chemistry. The microspheres offer high biomolecule loading efficiency, excellent suspension stability and low nonspecific binding, making them ideal for diagnostic assay development, immunoassays and biosensor applications.

Storage and Handling

  • Store at 2–8°C.

  • Do not freeze.

  • Keep the container tightly closed.

  • Avoid prolonged exposure to direct sunlight.

  • Gently invert or shake before use.

  • Do not centrifuge at excessive speed unless experimentally validated.

Customization Service

SANYU GROUP provides customized Carboxyl PMMA Microspheres including:

  • Customized particle sizes

  • Customized carboxyl density

  • Customized solid contents

  • Buffer optimization

  • OEM manufacturing

  • Bulk production

  • Custom packaging

Frequently Asked Questions

What are Carboxyl PMMA Microspheres?

Carboxyl PMMA Microspheres are PMMA microspheres functionalized with surface carboxyl (-COOH) groups for covalent attachment of proteins, antibodies and other biomolecules.

How are proteins coupled to PMMAC20UM-10?

Proteins and antibodies are typically coupled using EDC/NHS activation chemistry, which activates the carboxyl groups to form stable covalent amide bonds with primary amines.

What applications are PMMAC20UM-10 suitable for?

They are widely used in immunodiagnostics, lateral flow assays, latex agglutination tests, biosensors, molecular biology and biomedical research.

Can PMMAC20UM-10 be customized?

Yes. SANYU GROUP offers customization of particle size, carboxyl density, solid content, buffer system, packaging and OEM production.

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