1. Introduction
2. Materials and Methods
    2.1 Synthesis of Naked MNPs
    2.2 Synthesis of PEI-coated MNPs
    2.3 Clays Separation
3. Results and Discussion
    3.1 MNPs Physicochemical Properties
    3.2 Effect of PEI Coating on Clays Separation.
4. Conclusion
REFERENCES

• June-Hyun Kim(Korea Atomic Energy Research Institute/Kyungpook National University)
• Sung-Man Kim(Korea Atomic Energy Research Institute)
• In-Ho Yoon(Korea Atomic Energy Research Institute)
• Sang-June Choi(Kyungpook National University)
• Il-Gook Kim(Korea Atomic Energy Research Institute)