Youlchon Chemical Co., Ltd.

Dong Youn Shin

Ji Hee Kim

Seung Sang Hwang

Soon Man Hong

Kwang Ung Kim

Jang Seop Kim

Jungahn Kim

Soonjong Kwak

Joon Hyeong Park

Han Wook Ryu

Soon Geun Hwang

There is provided a novel chain-end functionalized PEO of formulas (I) to (IV) prepared via living anionic polymerization and chain-end functionalization, as well as a simple method of preparing nano-sized transition metal or metal salt particles using the same, which can be readily stabilized even in an aqueous medium. The water-soluble PEO-based polymers having various functional groups (including a drug group such as vitamin and anti-cancer agent) and the process of preparing nano-sized transition metal or metal salt particles using the same can be advantageously used in the development of new materials for drug delivering system and imaging, e.g., a contrast agent and an anti-cancer agent simultaneously.

Chain-end functionalized poly(ethykene oxide) and process for the preparation of a nano-sized transition metal or metal salt using the same

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Seoul, South Korea

Dong Youn Shin