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Formation of wavy-ring crack in drying droplet of protein solutions
Gao MN(高梦霓); Huang XF; Zhao YP(赵亚溥)
2018-07-01
发表期刊SCIENCE CHINA-TECHNOLOGICAL SCIENCES
卷号61期号:7页码:949-958
ISSN1674-7321
摘要The formations of desiccation cracks and their patterns in drying droplets of protein solutions are studied experimentally. The solvent evaporation causes the dehydration self-organization phenomenon in colloidal droplets, followed by the formations of desiccation cracks. Two categories of highly ordered crack patterns, which we name "daisy" and "wavy-ring", are identified in the drying droplets. We explore the shifting of crack patterns from the "daisy" to the "wavy-ring" by varying the concentration of protein droplets. The results show that the concentration correlates with the pattern of deposition film directly, and modulates the periodicity of the crack pattern. We investigate the formations and periodicities of these two kinds of crack patterns, and obtain the scaling law of periodicity of the "wavy-ring" crack pattern. The relationship between the deposition pattern and the highly ordered crack patterns is also examined. This study will help in understanding the formation mechanisms of crack patterns in drying droplets of protein solutions and assist the future design of crack patterns in practical applications.
关键词coffee-ring effect spiral crack self-organization crack pattern desiccation
DOI10.1007/s11431-017-9202-y
URL查看原文
收录类别SCI ; EI
语种英语
WOS记录号WOS:000438121900001
关键词[WOS]EVAPORATING SESSILE DROPLET ; COLLOIDAL SUSPENSION ; PATTERN-FORMATION ; THIN-FILMS ; DESICCATION ; FIELD ; CRAQUELURE ; DYNAMICS ; LIQUID ; FLOW
WOS研究方向Engineering, Multidisciplinary ; Materials Science, Multidisciplinary
WOS类目Engineering ; Materials Science
项目资助者National Natural Science Foundation of China [U1562105, 11372313] ; Chinese Academy of Sciences through CAS Interdisciplinary Innovation Team Project ; Chinese Academy of Sciences Key Research Program of Frontier Sciences [QYZDJ-SSW-JSC019] ; Chinese Academy of Sciences Strategic Priority Research Program [XDB22040401]
论文分区二类
力学所作者排名1
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77902
专题非线性力学国家重点实验室
作者单位1.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
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Gao MN,Huang XF,Zhao YP. Formation of wavy-ring crack in drying droplet of protein solutions[J]. SCIENCE CHINA-TECHNOLOGICAL SCIENCES,2018,61(7):949-958.
APA 高梦霓,Huang XF,&赵亚溥.(2018).Formation of wavy-ring crack in drying droplet of protein solutions.SCIENCE CHINA-TECHNOLOGICAL SCIENCES,61(7),949-958.
MLA 高梦霓,et al."Formation of wavy-ring crack in drying droplet of protein solutions".SCIENCE CHINA-TECHNOLOGICAL SCIENCES 61.7(2018):949-958.
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