Citation: Yi Ming Liu, Sui Ping Deng, Hui Zheng, Jian Ming Ouyang. Formation of ring calcium oxalate patterns induced by domains in DPPC Langmuir-Blodgett films[J]. Chinese Chemical Letters, ;2007, 18(3): 345-348. doi: 10.1016/j.cclet.2007.01.016 shu

Formation of ring calcium oxalate patterns induced by domains in DPPC Langmuir-Blodgett films

a Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414000, China;
b Institute of Biomineralization and Lithiasis Research, Jinan University, Guangzhou 510632, China

Received Date: 30 August 2006

Fund Project: This research work was granted by the National Natural Science Foundation of China (No. 20471024).

The ring patterns of calcium oxalate crystals were induced by domains in Langmuir-Blodgett (LB) films of dipalmitoylpho-sphatidylcholine (DPPC). The result was explained by the defects at the ring boundaries of liquid condensed (LC) and liquid expanded (LE) phases of LB film. These boundaries could provide less free energy and much more nucleating sites for COM crystals.
- Defect,
- Langmuir-Blodgett film,
- Crystallization,
- DPPC,
- Calcium oxalate
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