SILICA MAGNETIC BEADS SUPPLIER
Silica Magnetic Beads for Nucleic Acid Extraction & Purification
High-Performance Magnetic Beads for Fast and Reliable Nucleic Acid Purification.
Fast Magnetic Response & Easy Separation
The superparamagnetic Fe₃O₄ core provides strong magnetic responsiveness, allowing rapid collection and separation without centrifugation.
Benefits:
Shorter purification time
Simple magnetic separation workflow
Suitable for manual and automated extraction platforms
Efficient Nucleic Acid Binding Capacity
The silica surface contains abundant hydroxyl (-OH) functional groups that enable specific adsorption of nucleic acids under appropriate buffer conditions.
Advantages:
High DNA/RNA recovery efficiency
Excellent purification performance
Reduced sample loss during extraction
Excellent Monodispersity & Batch Consistency
Uniform particle size distribution ensures stable performance and reliable experimental results.
Benefits:
Low batch-to-batch variation
High reproducibility
Suitable for large-scale production and diagnostic applications
High Magnetic Content & Stable Performance
With approximately 30% Fe content, the beads provide strong magnetic properties while maintaining excellent suspension stability.
Features:
High magnetic separation efficiency
Good dispersion stability
Reliable performance in complex samples
Good Biocompatibility & Low Cytotoxicity
The silica coating provides excellent biological compatibility, making the beads suitable for various molecular biology applications.
Benefits:
Safe for biological samples
Compatible with sensitive biomolecules
Suitable for diagnostic and research applications
| Item | Specification |
| Material | Silica-coated Superparamagnetic Fe₃O₄ Core |
| Functional Group | Hydroxyl (-OH) |
| Particle Size | 100 nm / 200 nm / 800 nm / 1 μm / 2 μm / 5μm/10 μm / 20 μm / 30 μm / 50 μm / 100 μm / 200 μm |
| Concentration | 50 mg/mL |
| Iron Content | ≥30% |
| Solvent | DI Water |
| Compatible Buffers | PBS, Tris-HCl, H₂O |
| Magnetic Property | Superparamagnetic |
| Application | DNA/RNA Extraction & Purification |
Why choose SHBC as your Silica Magnetic Beads manufacturer?
Our company focuses on providing high-quality product suppliers for various industries.
B2B customers can shop with confidence:
Bulk supply, laboratory-grade quality
International Standards:
ISO 9001, ROHS/REACH Compliance
Customization Options:
Particle size, concentration, and surface chemistry can be customized
Fast Delivery:
We can handle both small-batch trials and large-scale production.
Looking for a reliable Silica Magnetic Beads supplier?
Partner with a trusted manufacturer of high-quality Silica Magnetic Beads for diagnostic, research, and industrial applications. Whether you need standard products or application-specific solutions, our team is ready to help you find the right microspheres for your project.
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What are silica magnetic beads used for in molecular biology applications?
Silica magnetic beads are mainly designed for nucleic acid extraction and purification. They are widely used for genomic DNA extraction from blood, tissues, plants, and microorganisms, viral DNA/RNA purification, total RNA extraction, PCR product purification, and plasmid DNA extraction. The silica surface contains abundant hydroxyl groups (-OH), enabling specific nucleic acid binding and efficient purification from complex biological samples.
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How do silica magnetic beads improve nucleic acid extraction efficiency?
Silica magnetic beads use a superparamagnetic Fe₃O₄ core with a silica coating containing abundant hydroxyl (-OH) groups. Under specific buffer conditions, nucleic acids selectively bind to the silica surface, while impurities can be removed through washing steps. The strong magnetic response enables rapid separation, improving extraction efficiency and reducing operation time.
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What particle sizes are available for silica magnetic beads?
We provide a wide range of silica magnetic bead sizes, including 100nm, 200nm, 800nm, 1μm, 2μm, 5μm，10μm, 20μm, 30μm, 50μm, 100μm, and 200μm. Different particle sizes can meet various requirements for manual extraction, automated nucleic acid purification systems, and different biological sample processing workflows.
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Why choose silica magnetic beads instead of traditional purification methods?
Compared with traditional centrifugation-based purification methods, silica magnetic beads offer faster separation, simpler operation, and better compatibility with automated platforms. Their excellent monodispersity and stable magnetic properties provide consistent purification performance, making them suitable for high-throughput molecular diagnostics and biotechnology applications.
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Are silica magnetic beads suitable for automated nucleic acid extraction systems?
Yes. Silica magnetic beads are compatible with automated nucleic acid extraction platforms due to their fast magnetic response, stable suspension performance, and consistent particle size distribution. They can be used for high-throughput DNA/RNA purification workflows in diagnostic laboratories, biotechnology companies, and research institutions.
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What samples can be processed using silica magnetic beads?
Silica magnetic beads can be applied to various biological samples, including whole blood, animal tissues, plant materials, microorganisms, and viral samples. They are designed for efficient extraction of genomic DNA, viral DNA/RNA, total RNA, and plasmid DNA, supporting diverse molecular biology research and diagnostic applications.
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How stable is the batch consistency of silica magnetic beads?
Our silica magnetic beads are manufactured under strict quality control to ensure low batch-to-batch variation. Uniform particle size distribution, stable surface modification, and controlled magnetic properties provide excellent repeatability and reliable performance for long-term research and industrial production.
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Can silica magnetic beads be customized for specific applications?
Yes. We provide customization services including particle size selection, concentration adjustment, surface modification, and packaging options according to customer requirements. Customized silica magnetic beads can be developed for specific applications such as molecular diagnostics, research kits, and automated extraction systems.
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What makes silica magnetic beads biocompatible for biological applications?
Silica magnetic beads feature a stable silica surface coating that provides good biological compatibility and low cytotoxicity. This makes them suitable for sensitive biological samples and molecular applications where maintaining biomolecule integrity is essential.
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What are the key advantages of your silica magnetic beads for biotechnology companies?
Our silica magnetic beads combine high magnetic content, excellent monodispersity, reliable nucleic acid binding performance, and flexible customization options. They provide biotechnology companies and diagnostic manufacturers with stable raw materials for developing DNA/RNA extraction kits, molecular diagnostic products, and laboratory purification solutions.