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Received December 17, 2009
Accepted January 31, 2010
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신규 미니어레이어에 의한 폴리다이아세틸렌 패턴상의 생체유도결정화
Biomineralization on Polydiacetylene Patterns Deposited by Using a Novel Mini Arrayer
고려대학교 화공생명공학과, 136-713 서울시 성북구 안암동
Department of Chemical and Biological Engineering, Korea University, Anam-dong, Seongbuk-gu, Seoul 136-713, Korea
ahn@korea.ac.kr
Korean Chemical Engineering Research, June 2010, 48(3), 350-354(5), NONE Epub 5 July 2010
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Abstract
자연계에는 유/무기 복합막 형성시 크기와 배열이 정교하게 제어되면서 여러 무기물 결정들이 성장한다. 이와 같은 자연계의 유/무기 복합막을 인공적으로 재현하기 위한 시도가 다각적으로 이루어지고 있다. 유/무기 계면에서 생체모방 결정화의 대표적인 물질 중의 하나가 바로 탄산칼슘 결정이다. 탄산칼슘은 생체 내의 골격을 이루는 주성분이고 성장방법이 비교적 간단하여 많은 연구가 수행되어 왔다. 분자수준에서의 우수한 정돈 상태들을 지니고 있는 폴리다이아세틸렌(polydiacetylene: PDA)은 무기결정성장에 관하여 효과적인 template를 제공할 수 있다. 본 실험에서는 폴리다이아세틸렌의 패턴들을 고체기판에 동시에 증착시키기 위하여, 신규로 고안한 mini arrayer의 air/water의 계면을 이용하여 소수성 유리기판위에 PDA를 전이시켰다. 이 방법을 이용한 결정화 과정의 제어는 생체유도결정화의 매커니즘을_x000D_
이해하는데 기여할 수 있을 것이다.
In natural world various inorganic crystals are grown with controlled shape and size in hybrid forms with organics. Such natural processes have been attempted much to mimick artificially. One of the example is calcium carbonate which has been examined a lot in the field of biomineralization. In this study, we utilize well-organized surface of polydiacetylene(PDA) films as the crystal-growing template. We devised a novel mini-arrayer device that transfers PDA films at air/water interfaces of each array well and deposit them to hydrophobized glass substrates. This technical improvement will contribute to facilitate better understandings of biomineralization mechanism.
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Berman A, Ahn DJ, Lio A, Salmeron M, Reichert A, Charych D, Science, 269(5223), 515 (1995)
Rajam S, Heywood BR, Walker JBA, Mann S, J. Chem. Soc. FARADAY TRANS., 87, 727 (1991)
Mellow LW, Acomprehensive Treatise on Inorganic and Theoretical Chemistry, Longmans, London (1956)
Kim TS, Crooks RM, Tetrahedron Letter, 35, 9501 (1994)
Cheng Q, Stevens RC, Adv. Mater., 9(6), 481 (1997)
Charych DH, Cheng Q, Reichert A, Kuziemko G, Stroh M, Nagy JO, Spevak W, Stevens RC, Chem. Biol., 3, 113 (1996)
Jonas U, Shah K, Norvez S, Charych DH, J. Am. Chem. Soc., 121, 4580 (1990)
Yamauchi J, Yamaoka A, Ikemoto K, Matsui T, J. Appl. Polym. Sci., 43, 1197 (1991)
Karlsson JO, Gatenholm P, Polymer, 38(18), 4727 (1997)
Dasgupta S, J. Appl. Polym. Sci., 41, 233 (1990)
Aizenberg J, Black AJ, Whitesides GH, J. Am. Chem. Soc., 121(18), 4500 (1999)
Exarhos GJ, Risen WM, Bauhman RH, J. Am. Chem. Soc., 98, 481 (1976)
Spevak W, Nagy JO, Charych DH, Schaefer ME, Gilbert JH, Bednarski MD, J. Am. Chem. Soc., 115, 1146 (1993)
Reichert A, Nagy JO, Spevak W, Charych D, J. Am. Chem. Soc., 117(2), 829 (1995)
Pan JJ, Charych D, Langmuir, 13(6), 1365 (1997)
Chance RR, Macromolecules, 13, 396 (1980)
Chu B, Xu R, Chem. Res., 24, 384 (1991)
Rubner MF, Macromolecules, 19, 2129 (1986)
Tashiro K, Nishimura H, Kobayashi M, Macromolecules, 29(25), 8188 (1996)
Kim JM, Lee JS, Choi H, Sohn D, Ahn DJ, Macromolecules, 38(22), 9366 (2005)
