Product Overview
MagNH2.8UM-10 Amino Magnetic Beads are high-quality superparamagnetic microspheres with a nominal diameter of 2.8 μm. Their surfaces are functionalized with amino (-NH₂) groups, providing abundant reactive sites for the covalent immobilization of antibodies, proteins, enzymes, peptides and nucleic acids. These beads exhibit rapid magnetic separation, excellent particle size uniformity, low nonspecific adsorption and stable suspension performance.
Supplied as a 5% aqueous suspension, MagNH2.8UM-10 is widely used in immunoassays, protein purification, nucleic acid extraction, cell separation, biomolecule conjugation and biotechnology research.
Key Features
Monodisperse 2.8 μm particle size
Amino (-NH₂) functionalized surface
Superparamagnetic response
Rapid magnetic separation
Excellent dispersion stability
High surface reactivity
Low nonspecific adsorption
Excellent batch-to-batch consistency
High coupling efficiency
Suitable for research and industrial applications
Technical Specifications
Parameter | Specification |
|---|
Product Code | MagNH2.8UM-10 |
Core Material | Superparamagnetic Iron Oxide |
Particle Size | 2.8 μm |
Surface | Amino (-NH₂) |
Solid Content | 5% Suspension |
Dispersion Medium | Deionized Water |
Appearance | Black Aqueous Suspension |
Storage | 2–8°C |
Packaging | 10 mL / 20 mL / 100 mL / 1 L |
Applications
Antibody Immobilization
Protein Conjugation
Enzyme Immobilization
Immunoassays
Cell Separation
Nucleic Acid Extraction
Protein Purification
Molecular Diagnostics
Biotechnology Research
Life Science Research
Product Advantages
MagNH2.8UM-10 Amino Magnetic Beads combine rapid magnetic responsiveness with highly reactive amino functional groups. Their 2.8 μm particle size provides excellent magnetic separation efficiency while maintaining a large active surface for biomolecule coupling. These beads are well suited for antibody conjugation, protein purification, enzyme immobilization, nucleic acid extraction and cell separation. The amino-functionalized surface enables stable covalent coupling through commonly used crosslinking chemistries such as glutaraldehyde, ensuring reliable and reproducible experimental performance.
Storage and Handling
Store at 2–8°C.
Do not freeze.
Keep the container tightly closed.
Gently invert or vortex before use.
Avoid repeated freeze-thaw cycles.
Store away from strong magnetic fields when not in use.
Use clean laboratory equipment during handling.
Customization Service
SANYU GROUP provides customized amino magnetic beads including:
Customized particle sizes
Customized solid content
Amino group density adjustment
Carboxyl surface modification
Epoxy surface modification
Streptavidin modification
OEM manufacturing
Bulk production
Custom packaging
Frequently Asked Questions (FAQ)
What are Amino Magnetic Beads?
Amino Magnetic Beads are superparamagnetic microspheres with amino (-NH₂) functional groups on their surfaces for biomolecule immobilization, separation and purification.
What is the particle size of MagNH2.8UM-10?
MagNH2.8UM-10 has a nominal particle diameter of 2.8 μm, providing excellent suspension stability and rapid magnetic separation.
How can biomolecules be coupled to MagNH2.8UM-10?
The amino groups can react with suitable crosslinkers such as glutaraldehyde to covalently immobilize antibodies, proteins, enzymes, peptides and other biomolecules.
What applications is MagNH2.8UM-10 suitable for?
It is widely used in antibody conjugation, protein purification, nucleic acid extraction, immunoassays, cell separation, molecular diagnostics and biotechnology research.
How should MagNH2.8UM-10 be stored?
Store at 2–8°C, avoid freezing, keep the bottle tightly sealed and gently mix before use to maintain optimal dispersion and magnetic performance.
