ESi10UM-10 10μm Epoxy Silica Microspheres 2.5% Suspension

Product Overview

ESi10UM-10 Epoxy Silica Microspheres are precision-engineered monodisperse silicon dioxide particles with a nominal diameter of 10 μm. Their surfaces are functionalized with highly reactive epoxy groups, allowing direct covalent attachment of proteins, antibodies, enzymes, peptides and other biomolecules without additional activation. Manufactured under strict quality control, these microspheres offer excellent particle size uniformity, high purity, low aggregation and outstanding suspension stability.

Supplied as a 2.5% aqueous suspension, ESi10UM-10 is widely used in protein immobilization, affinity purification, immunodiagnostics, biosensor fabrication, molecular diagnostics and biotechnology research.

Key Features

• Monodisperse 10 μm particle size

• Epoxy-functionalized surface

• High purity silicon dioxide

• Highly reactive epoxy groups

• Excellent dispersion stability

• Uniform spherical morphology

• Low particle aggregation

• Excellent chemical stability

• Excellent batch-to-batch consistency

• Suitable for research and industrial applications

Technical Specifications

Applications

• Protein Immobilization

• Antibody Immobilization

• Enzyme Immobilization

• Affinity Purification

• Biosensors

• Immunoassays

• Molecular Diagnostics

• Surface Modification

• Biotechnology Research

• Life Science Research

Product Advantages

ESi10UM-10 Epoxy Silica Microspheres combine excellent particle size uniformity, high purity and highly reactive epoxy functional groups. Their 10 μm diameter offers an ideal balance between surface area and handling performance for laboratory and industrial applications. The epoxy-functionalized surface reacts directly with amino, sulfhydryl and hydroxyl groups on biomolecules under mild conditions, enabling stable covalent immobilization without additional surface activation. Strict manufacturing standards ensure excellent batch-to-batch consistency and highly 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 epoxy silica microspheres including:

• Customized particle sizes

• Customized solid content

• Epoxy group density adjustment

• Amino surface modification

• Carboxyl surface modification

• OEM manufacturing

• Bulk production

• Custom packaging

Frequently Asked Questions (FAQ)

What are Epoxy Silica Microspheres?

Epoxy Silica Microspheres are monodisperse silica particles with epoxy functional groups on their surfaces, designed for direct covalent immobilization of biomolecules.

What is the particle size of ESi10UM-10?

ESi10UM-10 has a nominal particle diameter of 10 μm, providing excellent particle size uniformity and stable suspension performance.

How are biomolecules coupled to ESi10UM-10?

The surface epoxy groups react directly with amino, sulfhydryl and hydroxyl groups on proteins, antibodies, enzymes and other biomolecules to form stable covalent bonds under mild reaction conditions.

What applications is ESi10UM-10 suitable for?

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

How should ESi10UM-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.