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Citation: MU Ying-Di, LIU Hong-Guo, ZHANG Ren-Jie, HUANG Wei, FENG Xu-Sheng. Effect of Subphase pH on Cystallization of Glycine Beneath Dipalmitoylphosphatidylcholine Langmuir Monolayer[J]. Chinese Journal of Applied Chemistry, ;2005, 22(8): 823-828. shu

Effect of Subphase pH on Cystallization of Glycine Beneath Dipalmitoylphosphatidylcholine Langmuir Monolayer

1.
Education Ministry Key Laboratory for Colloid and Interface Chemistry, Shandong University, Jinan 250100

Corresponding author: FENG Xu-Sheng,
Received Date: 10 October 2004
Available Online: 28 December 2004
Fund Project: 国家自然科学基金(20103005)资助项目 (20103005)

The oriented growth of glycine crystals beneath compressed Langmuir monolayers of dipalmitoylphosphatidylcholine (DPPC) was studied by means of electron probing microscopy (EPM),scan electron micro-scopy (SEM) and X-ray diffractometry (XRD).It was found that the morphology and the orientation of the formed crystals beneath the DPPC monolayer template changed with the pH of the glycine supersaturated solution.These changes are attributed to the glycine molecules with different charges and the mode of glycine molecules approaching the template at different pH values.These results are very important to the research of interactions between lipoprotein and amino acids or nucleic acids.
- Langmuir monolayer,
- crystal,
- orientation,
- morphology
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