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题名: A droplet microchip with substance exchange capability for the developmental study of C-elegans
作者: Wen, Hui1;  Yu, Yue1;  Zhu, Guoli1;  Jiang, Lei1;  Qin, Jianhua1
刊名: LAB ON A CHIP
发表日期: 2015
DOI: 10.1039/c4lc01377h
卷: 15, 期:8, 页:1905-1911
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Physical Sciences
类目[WOS]: Biochemical Research Methods ;  Chemistry, Multidisciplinary ;  Nanoscience & Nanotechnology
研究领域[WOS]: Biochemistry & Molecular Biology ;  Chemistry ;  Science & Technology - Other Topics
英文摘要: The nematode Caenorhabditis elegans (C. elegans) has been widely used as a multicellular organism in developmental research due to its simplicity, short lifecycle, and its relevance to human genetics and biology. Droplet microfluidics is an attractive platform for the study of C. elegans in integrated mode with flexibility at the single animal resolution. However, it is still challenging to conduct the developmental study of worms within droplets initiating at the L1 larval stage, due to the small size, active movement, and the difficulty in achieving effective substance exchange within the droplets. Here, we present a multifunctional droplet microchip to address these issues and demonstrate the usefulness of this device for investigating post-embryonic development in individual C. elegans initiating at the larval L1 stage. The key components of this device consist of multiple functional units that enable parallel worm loading, droplet formation/trapping, and worm encapsulation in parallel. In particular, it exhibits superior functions in encapsulating and trapping individual larval L1 worms into droplets in a controlled way. Continuous food addition and expulsion of waste by mixing the static worm-in-droplet with moving medium plugs allows for the long-term culture of worms under a variety of conditions. We used this device to investigate the development processes of C. elegans in transgenic strains with deletion and overexpression of the hypoxia-inducible factor (HIF-1), a highly conserved transcript factor in regulating an organism's response to hypoxia. This microdevice may be a useful tool for the high throughput analysis of individual worms starting at the larval stage, and facilitates the study of developmental worms in response to multiple drugs or environmental toxins.
关键词[WOS]: CAENORHABDITIS-ELEGANS ;  BODY-SIZE ;  LIFE-SPAN ;  GENETICS ;  ARRAYS ;  SIGNAL
语种: 英语
WOS记录号: WOS:000352088400013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146152
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Div Biotechnol, Beijing, Peoples R China

Recommended Citation:
Wen, Hui,Yu, Yue,Zhu, Guoli,et al. A droplet microchip with substance exchange capability for the developmental study of C-elegans[J]. LAB ON A CHIP,2015,15(8):1905-1911.
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