1
Healthy Donor & NK Cells
Source Screening • Traceability

Natural Non-Genetically Modified NK Cell-Derived Extracellular Vesicles
Existing Process & Formulation Development
Source Screening • Traceability
Cell Count • Purity • Activity
Culture Supernatant → TFF / SEC
Filling • Storage Condition Assessment
Analytical Items & Validation Directions
NTA Particle Size / Concentration • CD9 / CD63 / CD81
Podocyte Protection Potency • Sterility / Endotoxin / Residues
Batch Comparison • Cargo Loading Analysis • Lyophilized Storage & Potency Tracking
Next-Stage Goals