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Direct observation of bunching of elementary steps on protein crystals under forced flow conditions
Sazaki G; Dai GL(戴国亮)
Source PublicationTheoretical and Applied Mechanics Letters
2015
Volume5Issue:4Pages:173-176
ISSN2095-0349
AbstractBunching of elementary steps by solution flow is still not yet clarified for protein crystals. Hence, in this study, we observed elementary steps on crystal surfaces of model protein hen egg-white lysozyme (HEWL) under forced flow conditions, by our advanced optical microscopy. We found that in the case of a HEWL solution of 99.99% purity, forced flow changed bunched steps into elementary ones (debunching) on tetragonal HEWL crystals. In contrast, in the case of a HEWL solution of 98.5% purity, forced flow significantly induced bunching of elementary steps. These results indicate that in the case of HEWL crystals, the mass transfer of impurities is more significantly enhanced by forced solution flow than that of solute HEWL molecules. We also showed that forced flow induced the incorporation of microcrystals into a mother crystal and the subsequent formation of screw dislocations and spiral growth hillocks.
KeywordIn Situ Observation Step Bunching Step Debunching Elementary Steps Forced Flow Protein Crystal
DOI10.1016/j.taml.2015.05.002
Indexed ByCSCD
Language英语
DepartmentNML复杂流体
Classification二类
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58327
Collection国家微重力实验室
Recommended Citation
GB/T 7714
Sazaki G,Dai GL. Direct observation of bunching of elementary steps on protein crystals under forced flow conditions[J]. Theoretical and Applied Mechanics Letters,2015,5(4):173-176.
APA Sazaki G,&Dai GL.(2015).Direct observation of bunching of elementary steps on protein crystals under forced flow conditions.Theoretical and Applied Mechanics Letters,5(4),173-176.
MLA Sazaki G,et al."Direct observation of bunching of elementary steps on protein crystals under forced flow conditions".Theoretical and Applied Mechanics Letters 5.4(2015):173-176.
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