CSi200UM-10 200μm Carboxyl Silica Microspheres 2.5% Suspension

Product Overview

CSi200UM-10 Carboxyl Silica Microspheres are precision-engineered monodisperse silicon dioxide particles with a nominal diameter of 200 μm. Their surfaces are functionalized with stable carboxyl (-COOH) groups, providing abundant reactive sites for covalent coupling of antibodies, proteins, peptides, enzymes and nucleic acids. Manufactured under strict quality control, these microspheres exhibit excellent particle size uniformity, high purity, low aggregation and outstanding suspension stability.

Supplied as a 2.5% aqueous suspension, CSi200UM-10 is particularly suitable for affinity chromatography, protein purification, enzyme immobilization, biosensor fabrication, immunodiagnostics and other biotechnology applications requiring large, highly uniform functional particles.

Key Features

• Monodisperse 200 μm particle size

• Carboxyl (-COOH) functionalized surface

• High purity silicon dioxide

• Excellent dispersion stability

• Uniform spherical morphology

• Low particle aggregation

• High density of reactive carboxyl groups

• Excellent chemical stability

• Excellent batch-to-batch consistency

• Suitable for research and industrial applications

Technical Specifications

Applications

• Antibody Immobilization

• Protein Conjugation

• Enzyme Immobilization

• Affinity Chromatography

• Affinity Purification

• Biosensors

• Molecular Diagnostics

• Surface Modification

• Biotechnology Research

• Life Science Research

Product Advantages

CSi200UM-10 Carboxyl Silica Microspheres combine excellent particle size uniformity, high purity and abundant carboxyl functional groups. Their 200 μm diameter provides excellent mechanical strength, rapid settling characteristics and outstanding flow performance, making them particularly suitable for affinity chromatography, protein purification and enzyme immobilization. The carboxyl-functionalized surface supports efficient biomolecule coupling using standard EDC/NHS chemistry, while strict manufacturing standards ensure excellent batch-to-batch consistency and reproducible experimental performance.

Storage and Handling

• Store at 2–8°C.

• Do not freeze.

• Keep the container tightly closed.

• Gently invert before use.

• Avoid repeated freeze-thaw cycles.

• Protect from direct sunlight.

• Use clean laboratory equipment during handling.

Customization Service

SANYU GROUP provides customized carboxyl silica microspheres including:

• Customized particle sizes

• Customized solid content

• Carboxyl group density adjustment

• Amino surface modification

• Epoxy surface modification

• OEM manufacturing

• Bulk production

• Custom packaging

Frequently Asked Questions (FAQ)

What are Carboxyl Silica Microspheres?

Carboxyl Silica Microspheres are monodisperse silica particles with carboxyl (-COOH) functional groups on their surfaces for efficient covalent coupling of biomolecules.

What is the particle size of CSi200UM-10?

CSi200UM-10 has a nominal particle diameter of 200 μm, providing excellent particle size uniformity and stable suspension performance.

How are biomolecules coupled to CSi200UM-10?

The surface carboxyl groups can be activated using standard EDC/NHS chemistry, enabling stable covalent attachment of antibodies, proteins, enzymes, peptides and nucleic acids.

What applications is CSi200UM-10 suitable for?

It is widely used for antibody immobilization, protein conjugation, enzyme immobilization, affinity chromatography, affinity purification, biosensors, molecular diagnostics and biotechnology research.

How should CSi200UM-10 be stored?

Store at 2–8°C, avoid freezing, keep the container tightly sealed and gently invert before use to maintain optimal dispersion stability.