Exosome Isolation Magnetic Beads

The magnetic bead method specifically captures exosomes based on affinity capture or size-exclusion principles, making it suitable for high-throughput processing of clinical samples. Matexcel is an innovative company specializing in materials science that provides high-performance exosome isolation magnetic beads as a core raw material for manufacturers of in vitro diagnostic and biological kits. Our products enable the rapid and gentle isolation of intact exosomes from complex biological samples such as cell culture supernatants, serum, and urine, supporting downstream experiments including NTA, Western blot, RNA analysis, and proteomics.

Introduction to Exosome Isolation Magnetic Beads

Titanium Dioxide Magnetic Beads

This method utilizes the affinity binding between titanium dioxide and the phosphate groups on the phospholipid bilayer of the exosome membrane. Since this approach does not rely on specific protein markers on the exosome surface, it can capture all exosome subtypes, making it particularly suitable for the isolation of total exosomes or subsequent lipidomic analysis.

√ Advantages: High versatility, simple operation, and low cost;

× Limitations: May co-capture other phosphorylated particles or protein complexes.

Antibody-Modified Magnetic Beads

Specific antibodies (such as antibodies against tetraspanning proteins like CD9, CD63, and CD81, or tissue-specific antibodies against EpCAM and HER2) are covalently conjugated to the surface of magnetic beads. Through antigen-antibody-specific recognition, high-purity capture of specific exosome subpopulations can be achieved.

√ Advantages: High specificity and low background noise, making them suitable for targeted research or clinical diagnosis;

× Limitations: Results depend on the expression levels and stability of the selected markers.

Magnetic Bead Method vs. Other Technologies

Parameter	Magnetic Bead Method	Ultracentrifugation	PEG Precipitation
Time	30 minutes	4–6 hours	2 hours
Purity	High (antibody-dependent)	Medium (impurities easy to mix)	Low
Exosome Integrity	Excellent	Possible damage	Prone to aggregation
Throughput	High (automation available)	Low	Medium
Cost	Relatively high (magnetic beads/antibodies)	Low (expensive equipment)	Lowest

If the product you're looking for isn't listed here, or if you'd like more information about our products, please feel free to contact us.

CAT.NO.	Product Name	Physical Specs	Size	Inquiry
MGB-EI-001	TiO₂ Magnetic Beads, 1 μm (Thin Shell)	1 μm	2 mL, 5 mL, 10 mL	Inquiry
MGB-EI-002	TiO₂ Magnetic Beads, 1 μm (Thick Shell)	1 μm	2 mL, 5 mL, 10 mL	Inquiry
MGB-EI-003	TiO₂ Magnetic Beads, 5 μm (Thin Shell)	5 μm	2 mL, 5 mL, 10 mL	Inquiry
MGB-EI-004	CD63 Exosome Capture Beads			Inquiry
MGB-EI-005	CD81 Exosome Capture Beads			Inquiry
MGB-EI-006	CD9 Exosome Capture Beads			Inquiry

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