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    Controllable Microdroplet Splitting via Additional Lateral Flow and its Application in Rapid Synthesis of Multi-scale Microspheres

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    Type
    Article
    Authors
    Zhou, Bingpu
    Wang, Cong
    Xiao, Xiao
    Hui, Yu Sanna
    Cao, Yulin
    Wen, Weijia
    Date
    2015
    Permanent link to this record
    http://hdl.handle.net/10754/600246
    
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    Abstract
    In this paper, we demonstrate that controllable microdroplet splitting could be obtained via additional lateral flow with simplicity and high controllability. The volume ratio of the two splitting products can be flexibly regulated by adjusting the flow rate ratio between the main and additional lateral flows. The splitting phenomena under different main flow rates were investigated. A volume ratio up to 200 : 1 of the two daughter droplets under a relatively higher main flow rate was experimentally achieved based on our approach. In this case, we have successfully achieved uniform daughter droplets with a smallest diameter of ∼19.5 ± 1.6 μm. With such a design, we have synthesized uniform PEGDA hydrogel microspheres with diameters ranging from ∼30 μm to over hundred of micrometers simultaneously.
    Citation
    Zhou B, Wang C, Xiao X, Hui YS, Cao Y, et al. (2015) Controllable Microdroplet Splitting via Additional Lateral Flow and its Application in Rapid Synthesis of Multi-scale Microspheres. RSC Adv. Available: http://dx.doi.org/10.1039/c4ra15552a.
    Sponsors
    The authors would like to acknowledge the support by Hong Kong RGC grant HKUST 605411 and NSFC/RGC joint grant N_HKUST601/11. The work was also partially supported by the Nanoscience and Nanotechnology Program at HKUST.
    Publisher
    Royal Society of Chemistry (RSC)
    Journal
    RSC Adv.
    DOI
    10.1039/c4ra15552a
    ae974a485f413a2113503eed53cd6c53
    10.1039/c4ra15552a
    Scopus Count
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