320nm Standard Polystyrene Microspheres SPS320-10 5%

320nm Standard Polystyrene Microspheres SPS320-10

SHBC SPS320-10 Standard Polystyrene Microspheres are plain polystyrene particles with a nominal diameter of 320 nm and a solid content of 5%.

The spherical particles are suitable for particle analysis, light-scattering research, microscopy, colloid studies, physical adsorption and particle-based assay development.

Product Overview

SPS320-10 provides a consistent 0.32 μm polymer particle system for laboratory research, diagnostic development and industrial testing.

The concentrated 5% solids dispersion supports flexible dilution, repeated experiments, pilot projects and bulk production requirements.

Technical Specifications

Key Advantages

• Nominal particle diameter of 320 nm

• Regular spherical morphology

• Controlled particle size

• Concentrated 5% solids dispersion

• Good suspension performance

• Easy dilution and handling

• Suitable for physical protein adsorption

• Reliable batch production

• Flexible packaging volumes

• OEM and customized supply available

Applications of 320nm Polystyrene Microspheres

Particle Size Analysis

SPS320-10 can be used as a model particle for particle-size measurement, comparative testing and analytical method development.

Dynamic Light Scattering

The particles are suitable for DLS method optimization, hydrodynamic-size measurement, dispersion evaluation and aggregation studies.

Electron and Atomic Force Microscopy

The spherical microspheres can support SEM, TEM and AFM sample preparation, particle imaging and morphology research.

Light-Scattering Research

SPS320-10 provides a defined polymer particle system for laser scattering, optical response and particle-detection studies.

Latex Turbidimetric Immunoassays

The plain polystyrene surface can be evaluated for passive adsorption of antibodies or antigens in latex turbidimetric assay development.

Latex Agglutination Tests

SPS320-10 may be evaluated as a carrier particle for latex agglutination reagents and diagnostic assay development.

Physical Protein Adsorption

The hydrophobic polystyrene surface supports research involving non-covalent adsorption of proteins, antibodies, antigens and other biomolecules.

Colloid and Dispersion Research

The particles are suitable for studying colloidal stability, aggregation, surface interactions and suspension behavior.

Filtration and Membrane Studies

SPS320-10 can support membrane-retention, filtration-efficiency, particle-transport and separation studies.

Colloidal Assembly Research

The controlled particle size can be evaluated in particle self-assembly, electrophoretic deposition and colloidal crystal research.

Why Choose 320nm Polystyrene Microspheres?

The 320 nm diameter provides a practical balance between nanoscale particle behavior and measurable optical response.

Its spherical morphology supports consistent comparative studies in optical, biological and colloidal systems.

Typical research areas include:

• Immunoassay development

• Protein adsorption

• Latex agglutination

• Particle characterization

• Optical scattering

• Colloidal assembly

• Membrane filtration

• Microscopy imaging

Benefits of 5% Solid Content

SPS320-10 is supplied at 5% solids for flexible laboratory and production use.

The concentrated format allows users to prepare different working concentrations while supporting repeated testing, assay development and larger-volume projects.

Standard Plain Polystyrene Surface

SPS320-10 has a non-functionalized polystyrene surface without added carboxyl or amino groups.

The plain surface is suitable for physical adsorption and general particle research.

For controlled covalent biomolecule coupling, SHBC also supplies carboxyl, amino and other functionalized polystyrene microspheres.

Standard Microspheres or Certified Size Standards?

SPS320-10 is positioned as a standard plain polystyrene microsphere for research and method development.

It should only be described as a certified or traceable particle-size standard when corresponding certification documents are supplied for the specific product and batch.

Customers requiring instrument calibration should confirm the required particle-size tolerance, CV, measurement method and traceability documentation before ordering.

Why Choose SHBC?

Shanghai SanYu Biotechnology Co., Ltd. manufactures standard and functional microspheres for scientific research, diagnostic development and industrial production.

SHBC supply advantages include:

• Multiple particle sizes available

• Standard and functional surfaces

• Laboratory sample supply

• Pilot-scale production

• Bulk manufacturing capability

• Customized solid content

• Flexible packaging options

• OEM and private-label services

• Technical product-selection support

Customized Microsphere Supply

Available customization options include:

• Customized particle diameter

• Customized solid content

• Customized dispersion medium

• Carboxyl modification

• Amino modification

• Fluorescent labeling

• Colored particles

• Customized packaging volume

• OEM labeling

• Bulk production

Storage and Handling

Keep the container tightly closed and store according to the product label, COA and SDS.

Gently mix or briefly sonicate the dispersion before use. Avoid freezing, drying, direct sunlight, high temperatures and contamination.

Use clean laboratory tools to reduce particle contamination and aggregation.

Frequently Asked Questions

What is SPS320-10?

SPS320-10 is a standard plain polystyrene microsphere dispersion with a nominal diameter of 320 nm and a solid content of 5%.

What is 320nm in micrometers?

A diameter of 320 nm is equivalent to 0.32 μm.

What is the surface type?

SPS320-10 has a standard non-functionalized polystyrene surface without added carboxyl or amino groups.

What are 320nm polystyrene microspheres used for?

Typical applications include particle analysis, DLS research, microscopy, light scattering, colloid studies, protein adsorption, latex agglutination and immunoassay development.

Can SPS320-10 adsorb proteins?

The plain polystyrene surface can be evaluated for passive adsorption of proteins, antibodies and antigens through hydrophobic and other non-covalent interactions.

Can SPS320-10 be used for latex agglutination?

The particles may be evaluated as a carrier for latex agglutination reagent development. Coating and reaction conditions should be optimized for each assay.

Can the microspheres be diluted?

Yes. The 5% dispersion can be diluted to the required working concentration using a compatible medium.

Are functionalized versions available?

Yes. SHBC can provide carboxyl, amino, fluorescent, colored and other customized polystyrene microspheres.

Is SPS320-10 a certified calibration standard?

The product should only be described as certified or traceable when corresponding documentation is supplied for the specific product and batch.

Are bulk quantities available?

Yes. SHBC supports laboratory samples, pilot projects, customized packaging and bulk production.

Request SPS320-10 Samples and Quotations

Contact Shanghai SanYu Biotechnology Co., Ltd. for SPS320-10 samples, technical specifications, customized packaging and bulk quotations.

SHBC supplies standard polystyrene microspheres for research laboratories, diagnostic manufacturers, instrument developers and industrial projects.

For Research Use Only.