by using multiphase parallel flow".

5. 第 25 回化学工学に関する国際シンポジウム、2012.12.15、畑中雄太、真城栄正寿、山下健一、宮崎真佐也、大渡啓介、Effective solvent extraction of silver and palladium ions with calixarene derivatives by using parallel multiphase microflows

6. 2nd International conference on methods and materials for separation processes SEPARATION SCIENCE – THEORY AND PRACTICE 2013, 2013.6.10, K.Ohto, J.-Y. Kim, S.Morisada, M.Miyazaki, K.Yamashita, Y.Hatanaka, M.Maeki, AVAILABILITY OF MICROREACTOR EXTRACTION SYSTEM INCORPORATING CALIXARENE DERIVATIVES FOR RARE METAL SEPARATION

7. 2nd International conference on methods and materials for separation processes SEPARATION SCIENCE - THEORY AND PRACTICE 2013, 2013.6.10, K.Ohto, H.Sadamatsu, S.Morisada, H.Kawakita, EFFECT OF COORDINATIVELY-INERT ALKYL GROUPS ON SIZE-DISCRIMINATING EXTRACTION OF ALKALI METAL IONS WITH PROPYL-ACETIC ACID CROSSED TYPE CALIX $$ 4 $$ ARENE

8. 12th International Conference on Calixarenes (Calix 2013)、2013.7.15、K.Ohto, J.-Y. Kim, Y. Hatanaka, M. Maeki, K. Yamashita, M. Miyazaki, Metal Extraction with Calix $$ 4 $$ arene Derivatives by Using Microreactor System

9. 2013 Joint of Japan/Taiwan/Korea Chemical Engineering Conference、2013.11.9、熊本市民会館崇城大学ホール、Keisuke Ohto, JeeYoung Kim, Masatoshi Maeki, Kenichi Yamashita, Masaya Miyazaki、OA-4、Application of Microreactor System for Precious Metal Extraction with Calix $$ 4 $$ arene derivatives

10. ICMR 2013(7th International Conference on Materials Engineering for Resources)、2013.11.21、秋田ビューホテル、K. Ohto, JeeYoung Kim, Shintaro Morisada, Masatoshi Maeki, Kenichi Yamashita, Masaya Miyazaki、B5-2 Microreactor extraction system with macrocyclic host compounds for rare metal recovery （招待講演）

11. Seminar at Universitas Gadjah Mada、2013.12.20、ガジャマダ大学（インドネシア・ジョグジャカルタ）、K. Ohto、Topic 2 Extractive Recovery of Rare Metals by Using Microreactor System with Macrocyclic Host Compounds （招待講演）

12. The 4th Saga University-Liaoning University Joint Seminar, 2014.3.6, Saga University, Jee Young Kim, Shintaro Morisada, Keisuke Ohto, P-11 Extractive separation of precious metals with calix $$ 4 $$ arene derivatives and interfacial activity in liquid-liquid extraction system

13. 化学工学会 第 79 年会、2014.3.19、岐阜大学、大渡磐介、キム ジーヨン、森貞真太郎、真栄城正寿、宮崎真佐也、H313 カリックス $ ^{[4]} $ アレーン誘導体をマイクロリアクター系に適用した金属抽出

14. 13th International Conference on Microreaction Technology (IMRET13). 2014.06.24, Budapest, Hungary, M. Maeki, J.Y. Kim, M. Miyazaki, K. Ohto Effective recovery of metal ion with calixarene derivatives by using microreactor system.

15. The 6th ISNSC (International Symposium on Nano & Supramolecular Chemistry, 2014.8.12, Udayana University, Bali, K. Ohto, JeeYoung Kim, S. Morisada, H. Kawakita, M. Maeki, S. R. Rao, M. Miyazaki, Microreactor System for Selective Extraction of Rare Metals by Using Calix $$ 4 $$ arene Derivatives

16. RSC Tokyo International Conference, 2014.09.04, 幕張メッセ, R. Rao Sathuluri, M. Maeki, J-Y Kim, Y. Ueda, K. Ohto, M. Miyazaki, An efficient and continuous extraction of metal ions by using droplet-based microreactor

17. 17. ISEC2014 (20th International Solvent Extraction Conference 2014) 2014.9.10 Conference Center Würzburg (CCW), Germany, M. Maeki, J.-Y. Kim, M. Miyazaki, K. Ohto, Application of Microreactor System in Solvent Extraction of Metal Ion with Calixarene Derivatives