7um Standard Polystyrene Microspheres SPS7UM-10 5%

7um Standard Polystyrene Microspheres SPS7UM-10

SHBC SPS7UM-10 Standard Polystyrene Microspheres are plain polystyrene particles with a nominal diameter of 7 μm and a solid content of 5%.

The spherical microspheres are suitable for particle analysis, microscopy, particle counting, flow-system testing, protein adsorption and microfluidic research.

Product Overview

SPS7UM-10 provides a consistent 7 micron particle platform for laboratory research, analytical development and industrial testing.

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

Technical Specifications

Actual mean diameter and particle-size distribution are lot-specific. Please refer to the applicable Certificate of Analysis.

Key Advantages

• Nominal particle diameter of 7 μm

• Regular spherical morphology

• Controlled microscale particle size

• Concentrated 5% solids dispersion

• Convenient optical observation

• Easy dilution and sample preparation

• Suitable for particle-counting research

• Plain surface for adsorption studies

• Flexible packaging options

• OEM and bulk supply available

Applications of 7um Polystyrene Microspheres

Particle Size Analysis

SPS7UM-10 can be used as a model particle for particle-size measurement, comparative testing and analytical method development.

Particle Counter Evaluation

The controlled 7 μm diameter supports particle-detection research, counting-method development and instrument-response studies.

Optical Microscopy

The particles offer convenient visibility for optical microscopy, particle tracking and morphology observation.

Electron Microscopy

SPS7UM-10 can support SEM sample preparation, surface imaging and particle morphology analysis.

Flow Cytometry Research

The microspheres may be evaluated for light-scatter studies, flow-system testing, gating research and particle detection.

Microfluidic Studies

SPS7UM-10 is suitable for channel visualization, particle transport, flow-behavior research and separation-method development.

Filtration and Membrane Testing

The particles can support filter-retention, membrane-efficiency, particle-recovery and separation studies.

Physical Protein Adsorption

The plain polystyrene surface can be evaluated for passive adsorption of proteins, antibodies, antigens and other biomolecules.

Particle-Based Assay Development

SPS7UM-10 may be evaluated as a carrier particle for agglutination studies and particle-based analytical methods.

Cell Uptake and Phagocytosis Research

The microspheres can be used as model particles in cellular uptake, phagocytosis and particle–cell interaction studies.

Why Choose 7um Polystyrene Microspheres?

The 7 μm diameter combines convenient microscopic observation with controlled particle geometry.

Typical research areas include:

• Particle characterization

• Particle counting

• Optical imaging

• Flow-system testing

• Microfluidic transport

• Protein adsorption

• Filter evaluation

• Cell interaction studies

Standard Plain Polystyrene Surface

SPS7UM-10 has a non-functionalized polystyrene surface without intentionally added carboxyl or amino groups.

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

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

Benefits of 5% Solid Content

The 5% solids format provides a concentrated microsphere dispersion for flexible laboratory and production use.

Users can dilute the product to the required working concentration while supporting repeated testing, method development and larger-volume projects.

Quality and Batch Documentation

Available product documentation may include:

• Batch number

• Actual mean particle diameter

• Particle-size distribution

• Solid content

• Product appearance

• Certificate of Analysis

• Safety Data Sheet

SPS7UM-10 should only be described as a certified or traceable particle-size standard when corresponding certification documents are supplied for the specific batch.

Why Choose SHBC?

Shanghai SanYu Biotechnology Co., Ltd. supplies standard and functional microspheres for scientific research, analytical development and industrial applications.

SHBC advantages include:

• Multiple particle sizes available

• Standard and functional surfaces

• Laboratory sample supply

• Pilot-scale production

• Bulk manufacturing capability

• Customized solid content

• Flexible packaging volumes

• OEM and private-label services

• Technical product-selection support

Customized Microsphere Supply

Customization options include:

• Particle diameter

• Solid content

• Dispersion medium

• Carboxyl modification

• Amino modification

• Fluorescent labeling

• Colored microspheres

• Packaging volume

• OEM labeling

• Bulk production

Storage and Handling

Store SPS7UM-10 according to the product label, COA and SDS.

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

Use clean laboratory tools to reduce particle aggregation and cross-contamination.

Frequently Asked Questions

What is SPS7UM-10?

SPS7UM-10 is a standard plain polystyrene microsphere product with a nominal diameter of 7 μm and a solid content of 5%.

Is 7um equal to 7 microns?

Yes. A diameter of 7 μm, 7um or 7 microns is equal to 7,000 nm.

What is the particle surface?

SPS7UM-10 has a standard non-functionalized polystyrene surface without intentionally added carboxyl or amino groups.

What are 7um polystyrene microspheres used for?

Typical applications include particle analysis, microscopy, particle counting, flow-system testing, microfluidics, filtration and adsorption research.

Can SPS7UM-10 be observed with an optical microscope?

Yes. The 7 μm particle diameter is suitable for optical microscopy when appropriate imaging conditions are used.

Can the particles adsorb proteins?

The plain polystyrene surface can be evaluated for passive adsorption of proteins, antibodies and antigens.

Can SPS7UM-10 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 SPS7UM-10 a certified calibration standard?

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

Are bulk quantities available?

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

Request SPS7UM-10 Samples and Quotations

Contact Shanghai SanYu Biotechnology Co., Ltd. for SPS7UM-10 samples, technical specifications, customized packaging and bulk quotations.

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

For Research Use Only.