Lyophilized Platelet Exosomes Advance EV Research Breakthrough

Researchers studying extracellular vesicles (EVs) often face challenges related to standardization, reproducibility, and sensitivity. Reliable tools and high-quality reagents are essential for making breakthrough discoveries in the complex field of intercellular communication.

Platelets, though small cellular fragments in blood, contain rich bioactive materials and play a crucial role in exosome generation and functional regulation. Carefully sourced from healthy donors, human platelet-derived exosomes are isolated and purified using advanced tangential flow filtration (TFF) and size-exclusion chromatography (SEC) techniques. These exosomes retain inherent biological properties, making them ideal for studying EV functions, serving as positive controls, and calibrating analytical methods.

To maximize exosome activity and stability, an advanced lyophilization process effectively removes moisture, extending shelf life up to 24 months without requiring stringent cold-chain storage (recommended storage at 4°C). This long-term stability simplifies experimental planning and inventory management while ensuring consistent access to high-quality research materials.

• Product Name: Lyophilized Human Platelet-Derived Exosomes
• Catalog Numbers: #700376 (10µg), #700375 (50µg)
• Source: Healthy human platelets
• Purification Method: TFF combined with SEC
• Storage Conditions: 4°C
• Shelf Life: Up to 24 months (lyophilized)

These lyophilized exosomes serve as reliable positive controls across multiple EV analysis techniques. Below are recommended usage guidelines (adjustments may be needed based on specific experimental conditions):

Ultracentrifugation and TFF-isolated EVs were stained using an F-NTA EV Tetraspanin Detection Kit and analyzed with ZetaView® x30, demonstrating precise nanoscale characterization. Additional validation using F-NTA CD9, CD63, and CD81 detection reagents confirmed specific marker expression patterns in platelet-derived EVs.