Sungkyunkwan University

Cong Truc Huynh

Doo Sung Lee

Bong Sup Kim

Disclosed is a dual-transition polymeric hydrogel. Also, provided is the use of the dual-transition polymeric hydrogel as a carrier for drug delivery and disease diagnosis, or in the preparation of a polymeric hydrogel-type pharmaceutical composition comprising the physiologically active agent loadable into the block copolymer. Being sensitive to pH as well as temperature, the block copolymer can form a more stable hydrogel at suitable temperatures and pH values. In addition, the block copolymer exhibits a dual transition behavior with pH values so that it can carry ionic drugs, proteins, DNA, and markers, whether positively or negatively charged, simultaneously. Therefore, it can be applied to a sustained drug delivery system for sparingly soluble, hydrophobic drugs, and hydrophilic drugs. Further, it is safe to and stable within the body, and is expected to find various applications in the medical field.

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Suwon-si, South Korea

Cong Truc Huynh