5um Epoxy Magnetic Beads MEP5UM-10 5%

5 μm Epoxy Magnetic Beads MEP5UM-10

SHBC MEP5UM-10 Epoxy Magnetic Beads are 5 μm functional magnetic microspheres supplied at 5% solids.

The reactive epoxy surface supports covalent immobilization of antibodies, antigens, proteins, peptides, enzymes and other compatible biomolecules.

MEP5UM-10 is designed for immunoassay development, magnetic separation, protein research and scalable diagnostic-reagent production.

MEP5UM-10 Technical Specifications

How Do Epoxy Magnetic Beads Work?

Epoxy groups on the bead surface react with compatible functional groups in proteins and other biomolecules.

After coupling, the magnetic beads can be collected with a magnet, washed and resuspended for downstream assay use.

This covalent immobilization approach is suitable for preparing customized antibody-, antigen- or enzyme-coated magnetic particles.

Key Advantages of MEP5UM-10

• Reactive epoxy-functional surface

• 5 μm particle size for convenient handling

• Supplied at 5% solid content

• Direct covalent ligand immobilization

• Suitable for antibodies, antigens and proteins

• Strong ligand retention during washing

• Easy magnetic collection and buffer exchange

• Suitable for manual and automated workflows

• Flexible surface modification

• Scalable for bulk reagent production

Why Choose 5 μm Epoxy Magnetic Beads?

The 5 μm format provides efficient magnetic handling and rapid collection in routine assay workflows.

MEP5UM-10 is suitable for projects requiring:

• Stable magnetic solid phases

• Easy washing and separation

• Custom antibody coupling

• Custom antigen coupling

• Reproducible reagent preparation

• Scale-up from research to production

Immunoassay Applications

Antibody-Coupled Magnetic Beads

Antibodies can be immobilized on MEP5UM-10 for use in:

• Sandwich immunoassays

• Chemiluminescent immunoassays

• Fluorescent immunoassays

• Enzyme immunoassays

• Magnetic immunoassays

• Biomarker detection

• Pathogen detection research

Antigen-Coupled Magnetic Beads

Antigen-functionalized beads can be evaluated for:

• Antibody detection

• Serological assays

• Autoantibody research

• Infectious-disease assay development

• Assay calibration

• Method validation

Automated Immunoassay Platforms

The magnetic format simplifies bead collection, washing and reagent exchange.

MEP5UM-10 can be evaluated in:

• Automated chemiluminescence systems

• Magnetic washing instruments

• Liquid-handling platforms

• High-throughput immunoassays

• Custom diagnostic analyzers

Protein and Biomolecule Applications

MEP5UM-10 can also be used for:

• Immunoprecipitation

• Protein enrichment

• Protein-complex isolation

• Enzyme immobilization

• Affinity ligand preparation

• Biomolecule capture

• Custom magnetic purification

• Biosensor development

Suitable Coupling Molecules

The epoxy surface can be evaluated for immobilizing:

• Monoclonal antibodies

• Polyclonal antibodies

• Recombinant proteins

• Antigens

• Peptides

• Enzymes

• Lectins

• Other compatible ligands

Coupling efficiency depends on ligand purity, concentration, functional-group availability and reaction conditions.

General Coupling Workflow

1. Resuspend the Magnetic Beads

Mix the suspension thoroughly before sampling to obtain a uniform bead concentration.

2. Wash the Beads

Collect the beads with a magnetic separator and replace the storage solution with a suitable coupling buffer.

3. Add the Biomolecule

Add the purified antibody, antigen, protein or enzyme to the washed beads.

4. Perform Covalent Coupling

Incubate under optimized mixing, temperature and buffer conditions.

5. Block Residual Epoxy Groups

Use a suitable blocking reagent to deactivate remaining reactive groups.

6. Wash the Coupled Beads

Remove unbound biomolecules and reaction components by repeated magnetic washing.

7. Resuspend and Test

Resuspend the functionalized beads in the selected storage or assay buffer and evaluate their performance.

Factors Affecting Coupling Efficiency

Important optimization factors include:

• Ligand purity

• Ligand concentration

• Bead-to-ligand ratio

• Coupling-buffer composition

• Buffer pH

• Ionic strength

• Reaction temperature

• Incubation time

• Mixing efficiency

• Blocking conditions

Small-scale testing is recommended before batch production.

Immunoassay Development Recommendations

For consistent assay performance:

• Use purified antibodies or antigens.

• Avoid unnecessary carrier proteins.

• Keep the beads uniformly suspended during coupling.

• Optimize ligand loading for signal and background.

• Block residual reactive groups after coupling.

• Evaluate nonspecific adsorption.

• Confirm magnetic separation efficiency.

• Test coupled-bead stability.

• Verify batch-to-batch assay performance.

MEP5UM-10 vs. Passive Adsorption Beads

MEP5UM-10 vs. Protein A/G Magnetic Beads

MEP5UM-10 is designed for permanent covalent immobilization of selected biomolecules.

Protein A/G beads bind the Fc region of antibodies and are commonly used for antibody capture, purification and immunoprecipitation.

Choose epoxy magnetic beads when a customized and permanently immobilized ligand is required.

Quality Control for Bulk Production

For research-to-production scale-up, evaluate:

• Particle-size consistency

• Suspension uniformity

• Magnetic response

• Coupling efficiency

• Ligand loading

• Nonspecific binding

• Signal-to-background ratio

• Assay sensitivity

• Storage stability

• Batch reproducibility

Why Choose SHBC MEP5UM-10?

• 5 μm epoxy-functional magnetic beads

• 5% solid-content suspension

• Suitable for immunoassay development

• Flexible antibody and antigen coupling

• Support for custom reagent development

• Sample evaluation available

• Stable batch supply

• Bulk manufacturing capability

• OEM and research supply

• Technical support for product selection

Storage and Handling

Store MEP5UM-10 according to the product label and technical documentation.

Recommended handling practices:

• Keep the container tightly sealed.

• Mix thoroughly before use.

• Avoid freezing unless validated.

• Prevent microbial contamination.

• Use clean pipettes and containers.

• Avoid prolonged magnetic collection during storage.

• Review the SDS before use.

Frequently Asked Questions

What is MEP5UM-10?

MEP5UM-10 is a 5 μm epoxy-functional magnetic bead suspension supplied at 5% solids.

What can be coupled to the beads?

The beads can be evaluated for coupling antibodies, antigens, proteins, peptides, enzymes and other compatible ligands.

Do the beads require EDC/NHS activation?

The beads already contain reactive epoxy groups, so EDC/NHS activation is not normally required.

Can MEP5UM-10 be used for immunoassays?

Yes. It can be used to develop magnetic solid phases for antibody, antigen and biomarker-detection assays.

Can antibodies be coupled directly?

Purified antibodies with compatible functional groups can be covalently immobilized on the epoxy surface.

Why should residual epoxy groups be blocked?

Blocking helps deactivate unreacted surface groups and reduce unwanted reactions in subsequent assay steps.

Can the beads be used for immunoprecipitation?

Yes. After coupling an appropriate antibody, the beads can be evaluated for immunoprecipitation and protein enrichment.

Are the beads suitable for automated systems?

The magnetic particle format can be evaluated in automated washing, separation and liquid-handling workflows.

Is coupling optimization required?

Yes. Ligand loading, buffer, pH, temperature, incubation time and blocking conditions should be optimized for each application.

Can SHBC supply bulk quantities?

Yes. SHBC supports sample evaluation, research supply, OEM projects and bulk production for reagent manufacturers.

Request MEP5UM-10 Samples

Contact Shanghai SanYu Biotechnology Co., Ltd. for samples, technical documentation and bulk quotations.

Please provide:

• Target antibody or antigen

• Immunoassay format

• Coupling scale

• Required bead quantity

• Current coupling method

• Target application

• Estimated annual demand