Novel lower critical solution temperature phase transition materials effectively control osmosis by mild temperature changes

Minwoo Noh; Yeongbong Mok; Seonju Lee; Heejin Kim; So Hyun Lee; Geun-woo Jin; Ji-Hun Seo; Heebeom Koo; Tae Ha Park; Yan Lee

doi:10.1039/C2CC30890H

Novel lower critical solution temperature phase transition materials effectively control osmosis by mild temperature changes†

Minwoo Noh,‡^a Yeongbong Mok,‡^a Seonju Lee,^a Heejin Kim,^a So Hyun Lee,^a Geun-woo Jin,^a Ji-Hun Seo,^b Heebeom Koo,^c Tae Ha Park^a and Yan Lee*^a

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^a Department of Chemistry, Seoul National University, 599 Gwanak-ro, Gwanak-gu, Seoul 151-747, Republic of Korea
E-mail: gacn@snu.ac.kr
Fax: +82 2 871 2496
Tel: +82 2 880 4344

^b Department of Organic Materials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan

^c Biomedical Research Center, Korea Institute of Science and Technology, 39-1 Hawolgok-dong, Seongbuk-gu, Seoul 136-791, Republic of Korea

Abstract

Osmosis can be controlled reversibly and effectively by mild temperature changes based on novel thermosensitive solutes with LCST transition. The nBu-TAEA thermosensitive solution can draw fresh water from seawater at temperatures less than the phase separation temperature, and the osmotic flow was reversed at higher temperatures.

Chemical Communications

Novel lower critical solution temperature phase transition materials effectively control osmosis by mild temperature changes†

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Novel lower critical solution temperature phase transition materials effectively control osmosis by mild temperature changes

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