• 제목/요약/키워드: Lee Chang Dong

검색결과 5,588건 처리시간 0.055초

Characterization of the rhGH released from rhGH-loaded PLGA microspheres

  • Jo, Yeong-Woo;Lee, Ghun-Il;Park, Yong-Man;Yang, Hi-Chang;Kim, Mi-Ryang;Lee, Sung-Hee;Kwon, Jong-Won;Kim, Won-Bae;Choi, Eung-Chil
    • 대한약학회:학술대회논문집
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    • 대한약학회 2002년도 Proceedings of the Convention of the Pharmaceutical Society of Korea Vol.2
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    • pp.417.1-417.1
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    • 2002

  • The in vitro release of rhGH from PLGA microspheres was characterized. rhGH-loaded PLGA microspheres were prepared with 50:50 poly(D.L-lactide-co-glycolide) (PLGA) polymers using a double emulsion process. To simulate rhGH release under physiological conditions. the microspheres were suspended in a physiological buller at 37$^{\circ}C$. Quantification of the rhGH released and its molecular form analysis were carried out using SE-HPLC. (omitted)

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Defects Nucleation in the Liquid Crystal Director Field from Inhomogeneous Surface

  • Lee, Gi-Dong;Lee, Jong-Wook;Ko, Tae-Woon;Lee, Joun-Ho;Oh, Chang-Ho;Choi, Hyun-Chul;Kim, Jae-Chang
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2004년도 Asia Display / IMID 04
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    • pp.1159-1162
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    • 2004

  • A modeling of the nucleation and dynamical behavior of defects from an inhomogeneous surface configuration using fast Q-tensor method is realized. On modeling the defect nucleation and dynamics, A fast Q-tensor method is applied. From the numerical modeling, we confirmed that surface inhomogeneity which makes strong strain energy in the local liquid crystal director field could cause defects. Experimental result has compared with numerical modeling in order to verify the simulation of the defect nucleation.

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