A transfer function approach for predicting rare cell capture microdevice performance

Verfasser / Beitragende:
[James Smith, Brian Kirby]
Ort, Verlag, Jahr:
2015
Enthalten in:
Biomedical Microdevices, 17/3(2015-06-01), 1-11
Format:
Artikel (online)
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024 7 0 |a 10.1007/s10544-015-9956-7  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s10544-015-9956-7 
245 0 2 |a A transfer function approach for predicting rare cell capture microdevice performance  |h [Elektronische Daten]  |c [James Smith, Brian Kirby] 
520 3 |a Rare cells have the potential to improve our understanding of biological systems and the treatment of a variety of diseases; each of those applications requires a different balance of throughput, capture efficiency, and sample purity. Those challenges, coupled with the limited availability of patient samples and the costs of repeated design iterations, motivate the need for a robust set of engineering tools to optimize application-specific geometries. Here, we present a transfer function approach for predicting rare cell capture in microfluidic obstacle arrays. Existing computational fluid dynamics (CFD) tools are limited to simulating a subset of these arrays, owing to computational costs; a transfer function leverages the deterministic nature of cell transport in these arrays, extending limited CFD simulations into larger, more complicated geometries. We show that the transfer function approximation matches a full CFD simulation within 1.34 %, at a 74-fold reduction in computational cost. Taking advantage of these computational savings, we apply the transfer function simulations to simulate reversing array geometries that generate a "notch filter” effect, reducing the collision frequency of cells outside of a specified diameter range. We adapt the transfer function to study the effect of off-design boundary conditions (such as a clogged inlet in a microdevice) on overall performance. Finally, we have validated the transfer function's predictions for lateral displacement within the array using particle tracking and polystyrene beads in a microdevice. 
540 |a Springer Science+Business Media New York, 2015 
690 7 |a Rare cell capture  |2 nationallicence 
690 7 |a Circulating tumor cell  |2 nationallicence 
690 7 |a CTC  |2 nationallicence 
690 7 |a Transfer function  |2 nationallicence 
690 7 |a Collision dynamics  |2 nationallicence 
690 7 |a Cell capture  |2 nationallicence 
690 7 |a Design optimization  |2 nationallicence 
700 1 |a Smith  |D James  |u Sibley School of Mechanical and Aerospace Engineering, Cornell University, 14853, Ithaca, NY, USA  |4 aut 
700 1 |a Kirby  |D Brian  |u Sibley School of Mechanical and Aerospace Engineering, Cornell University, 14853, Ithaca, NY, USA  |4 aut 
773 0 |t Biomedical Microdevices  |d Springer US; http://www.springer-ny.com  |g 17/3(2015-06-01), 1-11  |x 1387-2176  |q 17:3<1  |1 2015  |2 17  |o 10544 
856 4 0 |u https://doi.org/10.1007/s10544-015-9956-7  |q text/html  |z Onlinezugriff via DOI 
898 |a BK010053  |b XK010053  |c XK010000 
900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s10544-015-9956-7  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Smith  |D James  |u Sibley School of Mechanical and Aerospace Engineering, Cornell University, 14853, Ithaca, NY, USA  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Kirby  |D Brian  |u Sibley School of Mechanical and Aerospace Engineering, Cornell University, 14853, Ithaca, NY, USA  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Biomedical Microdevices  |d Springer US; http://www.springer-ny.com  |g 17/3(2015-06-01), 1-11  |x 1387-2176  |q 17:3<1  |1 2015  |2 17  |o 10544