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    Microspheres

    At the forefront of providing various types of microspheres with high quality and batch-to-batch consistency, which builds a solid foundation for large-scale production.

  • What is Microspheres

    Microspheres are small spherical beads formed by polymer polymerization through nanotechnology, which are widely used in the field of in vitro diagnosis.

    Magnetic Microspheres

    Ideal for the extraction, purification, and detection of various samples, with rapid magnetic response speed and exceptional resuspension.

    Latex Microspheres

    Using polystyrene (PS) as the basic material, with different functional groups and a wide range of downstream applications.

    Dyed Microspheres

    Ideal for qualitative and semi-quantitative detection by dyeing blank microspheres through a distinctive surface modification.

    Fluorescent Microspheres

    Dyed by fluorescent dyes inside the microspheres and filled firmly, with excellent monodispersity and consistent particle size.

    Flow Cytometry Microspheres

    Ideal for monitoring flow cytometry to keep orderly, stable, and continuous operation, with high reliability and consistency.

    Standard Microspheres

    Containing standard and uniform microspheres enabling calibration and monitoring of instruments over a wide range.

  • Magnetic Microspheres

    Magnetic microspheres are ideal for the extraction, purification, and detection of various samples. The large magnetic proportion and balanced density guarantee that the microspheres have rapid magnetic response speed and exceptional resuspension under the effect of a magnetic field. These magnetic microspheres have a core-shell structure and large specific surface area and are applicable to most automated instruments. Various functional groups are available for the coating of the surface.

    Viral Nucleic Acid Extraction Magnetic Microspheres

    • Material: silica/ iron oxide
    • Particle Size: ~150nm
    • Surface Group: hydroxyl group

    Silicon Hydroxyl Magnetic Microspheres

    • Material: silica/ iron oxide
    • Particle size: available from 150nm to 1.5μm
    • Surface Group: hydroxyl group

    Carboxyl Magnetic Microspheres

    • Material: iron oxide
    • Particle size: available from 100nm to 5μm  
    • Surface Group: carboxyl group

    Streptavidin Magnetic Microspheres

    • Material: iron oxide
    • Particle size: available from 0.6μm to 3μm  
    • Surface Group: streptavidin group

    Oligo(dT) Magnetic Microspheres

    • Material: iron oxide
    • Particle size: ~1µm
    • Surface Group: oligo(dT) group

    Cationic Magnetic Microspheres

    • Material: iron oxide
    • Particle size: ~450nm 
    • Surface Group: cations group

    Amino Magnetic Microspheres

    • Material: iron oxide
    • Particle size: available from 1200nm to 2800nm
    • Surface Group: amino group

    Tosyl Magnetic Microspheres

    • Material: iron oxide
    • Particle size: available from 1200nm to 3μm 
    • Surface Group: tosyl group

  • Latex Microspheres

    Latex microspheres are made of polystyrene as the basic material. Through the unique surface modification process, the microspheres have diversified functional groups, which can be applicable to a wide range of scenarios, such as particle-enhanced immune turbidity (PET), solid phase immunoassay, latex agglutination test, microspheres capture enzyme-linked immunosorbent assay, etc.

    Carboxyl Latex Microspheres

    • Material: polystyrene polymer
    • Particle size: available from 20nm to 100μm 
    • Surface Group: carboxyl group

  • Dyed Microspheres

    Dyed microspheres can be used for qualitative and semi-quantitative detection by dyeing blank microspheres through a distinctive surface modification process. These microspheres are bright and colorful. The extensive color choices are beneficial to avoid the background interference of the sample and provide an effectual method for multiple chromatography detection. These microspheres are desirable for various technology platforms such as agglutination tests, lateral flow, etc.

    Red Latex Microspheres

    • Material: polystyrene polymer
    • Particle size: available from 200nm to 400nm 
    • Surface Group: carboxyl/streptavidin groups

    Blue Latex Microspheres

    • Material: polystyrene polymer
    • Particle size: available from 200nm to 400nm 
    • Surface Group: carboxyl/streptavidin groups

    Black Latex Microspheres

    • Material: polystyrene polymer
    • Particle size: available from 200nm to 400nm 
    • Surface Group: carboxyl/streptavidin groups

    Green Latex Microspheres

    • Material: polystyrene polymer
    • Particle size: available from 200nm to 400nm 
    • Surface Group: carboxyl/streptavidin groups

  • Fluorescent Microspheres

    Fluorescent microspheres are post-dyed from blank microspheres, with excellent monodispersity and consistent particle size. The fluorescent dyes of the microspheres are fixed inside the microspheres and filled solidly. Besides, these microspheres have the attributes of high fluorescence intensity and persistency, which has clear advantages for the R&D of quantitative detection reagents. These microspheres are particularly suitable for the R&D and large-scale production of lateral flow chromatography reagents, as well as for focused microscopy, cytology research, biosensors, biochips, microfluidic, etc.

    Green Fluorescent Microspheres

    • Material: polystyrene polymer with high-brightness fluorescence
    • Particle size: available from 200nm to 400nm 
    • Surface Group: carboxyl/streptavidin groups

    Red Fluorescent Microspheres

    • Material: polystyrene polymer with high-brightness fluorescence
    • Particle size: available from 200nm to 400nm 
    • Surface Group: carboxyl/streptavidin groups

    Time-Resolved Fluorescent Microspheres

    • Material: polystyrene polymer with rare earth element dyes
    • Particle size: available from 200nm to 400nm 
    • Surface Group: carboxyl/streptavidin groups

  • Flow Cytometry Microspheres

    Flow cytometry is a state-of-art technique for counting, identifying, and classifying particles suspended in a liquid, allowing simultaneous multi-parameter analysis of the physical and chemical characteristics of a single cell flowing in an optical or electronic detection instrument. Flow cytometry microspheres are ideal for monitoring flow cytometry to maintain orderly, stable, and continuous operation. The rigorous control of microsphere counting and the homogeneity with staining intensity ensure the results of flow cytometry are highly reliable.

    Magnetic Fluorescent Microspheres

    • Material: Fe3O4/PS
    • Particle size: 5µm 
    • Surface Group: carboxyl

    Flow Cytometry Microspheres

    • Material: Multiple fluorescent dyed polystyrene microparticles
    • Particle size: 4μm, 5µm 

  • Standard Microspheres

    Standard microspheres contain uniform and consistent microspheres, with sizes ranging from 10nm to 100μm, which enables calibration and monitoring of extensive instruments. Size standard microspheres are validated by a series of particle size analyzers, including Photon Correlation Spectrometer (PCS), Disc Centrifugal Photometer (DCP), Tunable Resistive Pulse Sensing (TRPS), Nanoparticle Tracking Analysis (NTA) or Laser Diffraction (LD), etc. Counting standard microspheres are highly NIST traceable, which conforms to requirements such as ISO9000, ISO10012, ANSI/NCSL-Z540, GMP/GLP, etc.

    Size Standard Microspheres

    • Material: polystyrene polymer
    • Particle size: available from 10nm to 100μm

    Counting Standard Microspheres

    • Material: polystyrene polymer
    • Particle size: available from 10nm to 100μm

  • Part of Products

  • VirusMag™ One-Step DNA/RNA Isolation Kit

    VirusMag™ One-Step DNA/RNA Isolation Kit is a research-use-only (RUO) kit, which is designed for the isolation of viral DNA/RNA from the oral swab, sputum, serum, and other samples by using magnetic beads and a unique buffer system. The nucleic acid in the samples is first released by Lysis Buffer RLQP and then specifically bound on magnetic beads. The magnetic beads combined with the nucleic acid are captured by magnetic materials. Then the nucleic acid is eluted from the magnetic beads by Elution Buffer (EB).

    VSep™ Magnetic Separators

    VSep™ magnetic separators are durable and easy to use. The separators consist of a series of powerful NdFeB (neodymium-iron-boron) magnetic disks. Each magnetic disk attracts the beads in tubes fitted in an adjacent hole. VSep™ magnetic separators are widely used in cell sorting, RNA and DNA isolation, and purification of biomolecules.

  • Contact

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