Please use this identifier to cite or link to this item: https://doi.org/10.1038/ncomms2653
Title: Rotational separation of non-spherical bioparticles using I-shaped pillar arrays in a microfluidic device
Authors: Zeming, K.K.
Ranjan, S.
Zhang, Y. 
Issue Date: 2013
Source: Zeming, K.K., Ranjan, S., Zhang, Y. (2013). Rotational separation of non-spherical bioparticles using I-shaped pillar arrays in a microfluidic device. Nature Communications 4 : -. ScholarBank@NUS Repository. https://doi.org/10.1038/ncomms2653
Abstract: Most bioparticles, such as red blood cells and bacteria, are non-spherical in shape. However, conventional microfluidic separation devices are designed for spherical particles. This poses a challenge in designing a separation device for non-spherical bioparticles, as the smallest dimension of the bioparticle has to be considered, which increases fabrication challenges and decreases the throughput. If current methods do not take into account the shape of non-spherical bioparticles, the separation will be inefficient. Here, to address this challenge, we present a novel technique for the separation of red blood cells as a non-spherical bioparticle, using a new I-shaped pillar arrays design. It takes the shape into account and induces rotational movements, allowing us to leverage on the largest dimension, which increases its separation size. This technique has been used for 100% separation of red blood cells from blood samples in a focused stream, outperforming the conventional pillar array designs. © 2013 Macmillan Publishers Limited. All rights reserved.
Source Title: Nature Communications
URI: http://scholarbank.nus.edu.sg/handle/10635/67262
ISSN: 20411723
DOI: 10.1038/ncomms2653
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