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Negative Selection by Spiral Inertial Microfluidics Improves Viral Recovery and Sequencing from Blood

Author(s)
Choi, Kyungyong; Ryu, Hyunryul; Siddle, Katherine J.; Piantadosi, Anne; Freimark, Lisa; Park, Daniel J.; Sabeti, Pardis; Han, Jongyoon; ... Show more Show less
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Abstract
In blood samples from patients with viral infection, it is often important to separate viral particles from human cells, for example, to minimize background in performing viral whole genome sequencing. Here, we present a microfluidic device that uses spiral inertial microfluidics with continuous circulation to separate host cells from viral particles and free nucleic acid. We demonstrate that this device effectively reduces white blood cells, red blood cells, and platelets from both whole blood and plasma samples with excellent recovery of viral nucleic acid. Furthermore, microfluidic separation leads to greater viral genome coverage and depth, highlighting an important application of this device in processing clinical samples for viral genome sequencing.
Date issued
2018-03-14
URI
https://hdl.handle.net/1721.1/121535
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Department of Biological Engineering; Massachusetts Institute of Technology. Research Laboratory of Electronics
Journal
Analytical Chemistry
Publisher
American Chemical Society (ACS)
Citation
Choi, Kyungyong, et al. “Negative Selection by Spiral Inertial Microfluidics Improves Viral Recovery and Sequencing from Blood.” Analytical Chemistry 90, no. 7 (April 2018): 4657–62.
Version: Author's final manuscript
ISSN
0003-2700
1520-6882

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