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. 2019 Apr 8;12:159. doi: 10.1186/s13071-019-3421-z

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© The Author(s) 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — Microfluidic chip for detecting microfilariae of filarial parasites. a The chip contains four testing channels; each channel consists of four components: the inlet, rough filters, detection zone and outlet from left to right. b Photomicrograph of microfilariae of lymphatic filariae trapped in the rough filter area. c Photomicrograph of microfilariae of lymphatic filariae trapped in the detection zone of the device (10× magnification)